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Si18-525B

Troubleshooting for SkyAir Indoor Unit

Troubleshooting

357

5.15 Check

Check No. 01

Check for Fan Motor Connector

 (Power Supply Line)

(1) Turn the power supply off.
With the relay connector disconnected, measure the resistance between UVW phases of the 
connector (3 cores) at the motor side, then make sure that the resistance between each phase 
is balanced and not short-circuited.

Red

White

Black

U

V

W

Measure the resistance between 
each phase.

(S2675)

Содержание D-Series

Страница 1: ...Si18 525B Applied Models Super Multi Plus Cooling only Super Multi Plus Heat Pump D Series ...

Страница 2: ...5BVE FTK50AZVMB FTKS71BVMA8 CDKS35CVMA FCQ50BVE FTK60AZVMB CDKS50CVMA FCQ60BVE FTK71AZVMB CDKS60CVMA FCQ71BVE FBQ60BV1 FBQ71BV1 FHQ35BUV1B9 FHQ50BUV1B9 FHQ60BUV1B9 R 22 FTKD25DVM FTK50AVM CDKD25CVM CDKD25EAVM FTKD35DVM FTK60AVM CDKD35CVM CDKD35EAVM FTKD50FVM FTK71AVM CDKD50CVM FTKD60FVM CDKD60CVM FTKD71FVM Outdoor Unit R 410A RMKS112DVM RMKS112DV1A BPMKS967A2 BPMKS967A2B RMKS140DVM RMKS140DV1A BPM...

Страница 3: ...MA FFQ60B7V1B FTXS60BVMA8 CDXS25DVMT FVXS35BVMA FCQ35BVE FTXS71BVMA8 CDXS35DVMT FVXS50BVMA FCQ50BVE FTXS20DVMT CDXS50DVMT FCQ60BVE FTXS25DVMT CDXS60DVMT FCQ71BVE FTXS35DVMT FBQ60BV1 FTXS50DVMT FBQ71BV1 FTXS60DVMT FBQ60BVL FTXS71DVMT FBQ71BVL FHQ35BUV1B9 FHQ50BUV1B9 FHQ60BUV1B9 Outdoor Unit R 410A RMXS112DVM RMXS112DV1A RMXS112DVLT BPMKS967A2 RMXS140DVM RMXS140DV1A RMXS140DVLT BPMKS967A3 RMXS160DVM...

Страница 4: ... 6 Floor Standing Type 81 1 7 Ceiling Mounted Cassette Type 600 600 84 1 8 Ceiling Mounted Cassette Type 950 950 87 1 9 Ceiling Mounted Built in Type 90 1 10 Ceiling Suspended Type 92 Part 4 Refrigerant Circuit 95 1 Refrigerant Circuit 96 1 1 Outdoor Units 96 1 2 BP Units 98 2 Functional Parts Layout 99 2 1 Outdoor Units 99 3 Refrigerant Flow for Each Operation Mode 100 3 1 Cooling Operation 100 3...

Страница 5: ...ic Expansion Valve Control 129 6 3 SH Control in Cooling Operation 131 6 4 SC Control in Heating Operation 132 6 5 Heat Exchanger Isothermal Control in Heating Operation 132 7 Indoor Unit RA Models 133 7 1 Power Airflow Dual Flaps Wide Angle Louvers and Auto Swing 133 7 2 Fan Speed Control for Indoor Units 134 7 3 Programme Dry Function 135 7 4 Automatic Operation 136 7 5 Thermostat Control 137 7 ...

Страница 6: ...he SkyAir Indoor Unit 314 1 3 Troubleshooting with the LED on the Outdoor Unit 315 1 4 Troubleshooting with the LED on the BP Unit 316 2 Service Check Function 317 2 1 RA Indoor Unit Wireless Remote Controller 317 2 2 SkyAir Indoor Unit INSPECTION TEST Button 320 2 3 SkyAir Indoor Unit Wired Remote Controller 321 2 4 SkyAir Indoor Unit Wireless Remote Controller 322 2 5 Sky Air Indoor Unit Error C...

Страница 7: ...scharge Pipe Temperature 372 7 8 Malfunction of Thermistor for Outdoor Air R1T 373 7 9 Malfunction of Discharge Pipe Thermistor R3T 374 7 10 Malfunction of Thermistor R2T for Suction Pipe 375 7 11 Malfunction of Thermistor R4T for Outdoor Unit Heat Exchanger 376 7 12 Malfunction of Receiver Gas Pipe Thermistor R5T 377 7 13 Outdoor Unit Malfunction of High Pressure Sensor 378 7 14 Malfunction of Lo...

Страница 8: ...nd Motorized Valve 420 1 4 Removal of Thermistor Assembly 421 1 5 Removal of Fan Motor 422 2 BP Unit 425 2 1 Removal of PCB 425 2 2 Removal of Solenoid Valve Coil 428 Part 10Appendix 431 1 Piping Diagrams 432 1 1 Outdoor Units 432 1 2 BP Units 433 1 3 Indoor Units 434 2 Wiring Diagrams 442 2 1 Outdoor Units 442 2 2 BP Units 445 2 3 Indoor Units 447 Index i Drawings Flow Charts vii ...

Страница 9: ...ower cable plug from the plug socket before disassembling the equipment for repair Working on the equipment that is connected to the power supply may cause an electrical shook If it is necessary to supply power to the equipment to conduct the repair or inspecting the circuits do not touch any electrically charged sections of the equipment If the refrigerant gas is discharged during the repair work...

Страница 10: ...trical shock Do not clean the air conditioner by splashing water Washing the unit with water may cause an electrical shock Be sure to provide the grounding when repairing the equipment in a humid or wet place to avoid electrical shocks Be sure to turn off the power switch and unplug the power cable when cleaning the equipment The internal fan rotates at a high speed and cause injury Be sure to con...

Страница 11: ...eat generation or fire When wiring between the indoor and outdoor units make sure that the terminal cover does not lift off or dismount because of the cable If the cover is not mounted properly the terminal connection section may cause an electrical shock excessive heat generation or fire Do not damage or modify the power cable Damaged or modified power cable may cause an electrical shock or fire ...

Страница 12: ...ent children from swallowing it If a child swallows the coin battery see a doctor immediately Warning Caution Installation of a leakage breaker is necessary in some cases depending on the conditions of the installation site to prevent electrical shocks Do not install the equipment in a place where there is a possibility of combustible gas leaks If the combustible gas leaks and remains around the u...

Страница 13: ...e to install the packing and seal on the installation frame properly If the packing and seal are not installed properly water may enter the room and wet the furniture and floor For unitary type only Caution Icon Type of Information Description Note Note A note provides information that is not indispensable but may nevertheless be valuable to the reader such as tips and tricks Caution Caution A cau...

Страница 14: ...Si18 525B List of Functions 1 Part 1 List of Functions 1 List of Functions 2 1 1 Cooling Only 2 1 2 Heat Pump 13 ...

Страница 15: ...Set Mode 3 D Airflow Worry Free Reliability Durability Auto Restart after Power Failure Comfort Airflow Mode Self Diagnosis Digital LED Display 3 Step Airflow H P Only Wiring Error Check Comfort Control Auto Fan Speed Anticorrosion Treatment of Outdoor Heat Exchanger Indoor Unit Quiet Operation Flexibility Multi Split Split Type Compatible Indoor Unit Night Quiet Mode Automatic Flexible Voltage Co...

Страница 16: ...ree Reliability Durability Auto Restart after Power Failure Comfort Airflow Mode Self Diagnosis Digital LED Display 3 Step Airflow H P Only Wiring Error Check Comfort Control Auto Fan Speed Anticorrosion Treatment of Outdoor Heat Exchanger Indoor Unit Quiet Operation Flexibility Multi Split Split Type Compatible Indoor Unit Night Quiet Mode Automatic Flexible Voltage Correspondence Outdoor Unit Qu...

Страница 17: ...P Only 72 Hour On Off Timer Comfort Control Auto Fan Speed Night Set Mode Indoor Unit Quiet Operation Worry Free Reliability Durability Auto Restart after Power Failure Night Quiet Mode Automatic Self Diagnosis Digital LED Display Outdoor Unit Quiet Operation Manual Wiring Error Check Intelligent Eye Anticorrosion Treatment of Outdoor Heat Exchanger Quick Warming Function Hot Start Function Flexib...

Страница 18: ...r On Off Timer Comfort Control Auto Fan Speed Night Set Mode Indoor Unit Quiet Operation Worry Free Reliability Durability Auto Restart after Power Failure Night Quiet Mode Automatic Self Diagnosis Digital LED Display Outdoor Unit Quiet Operation Manual Wiring Error Check Intelligent Eye Anticorrosion Treatment of Outdoor Heat Exchanger Quick Warming Function Hot Start Function Flexibility Multi S...

Страница 19: ...orry Free Reliability Durability Auto Restart after Power Failure Comfort Airflow Mode Self Diagnosis Digital LED Display 3 Step Airflow H P Only Wiring Error Check Comfort Control Auto Fan Speed Anticorrosion Treatment of Outdoor Heat Exchanger Indoor Unit Quiet Operation Flexibility Multi Split Split Type Compatible Indoor Unit Night Quiet Mode Automatic Flexible Voltage Correspondence Outdoor U...

Страница 20: ... P Only 72 Hour On Off Timer Comfort Control Auto Fan Speed Night Set Mode Indoor Unit Quiet Operation Worry Free Reliability Durability Auto Restart after Power Failure Night Quiet Mode Automatic Self Diagnosis Digital LED Display Outdoor Unit Quiet Operation Manual Wiring Error Check Intelligent Eye Anticorrosion Treatment of Outdoor Heat Exchanger Quick Warming Function Hot Start Function Flexi...

Страница 21: ...rry Free Reliability Durability Auto Restart after Power Failure Comfort Airflow Mode Self Diagnosis Digital LED Display 3 Step Airflow H P Only Wiring Error Check Comfort Control Auto Fan Speed Anticorrosion Treatment of Outdoor Heat Exchanger Indoor Unit Quiet Operation Flexibility Multi Split Split Type Compatible Indoor Unit Night Quiet Mode Automatic Flexible Voltage Correspondence Outdoor Un...

Страница 22: ...ry Free Reliability Durability Auto Restart after Power Failure 3 D Airflow Self Diagnosis Digital LED Display Comfort Airflow Mode Wiring Error Check 3 Step Airflow H P Only Anticorrosion Treatment of Outdoor Heat Exchanger Comfort Control Auto Fan Speed Flexibility Multi Split Split Type Compatible Indoor Unit Indoor Unit Quiet Operation Flexible Voltage Correspondence Night Quiet Mode Automatic...

Страница 23: ...w Worry Free Reliability Durability Auto Restart after Power Failure Comfort Airflow Mode Self Diagnosis Digital LED Display 3 Step Airflow H P Only Wiring Error Check Comfort Control Auto Fan Speed Anticorrosion Treatment of Outdoor Heat Exchanger Indoor Unit Quiet Operation Flexibility Multi Split Split Type Compatible Indoor Unit Night Quiet Mode Automatic Flexible Voltage Correspondence Outdoo...

Страница 24: ...fort Airflow Mode Worry Free Reliability Durability Auto Restart after Power Failure 3 Step Airflow H P Only Self Diagnosis Digital LED Display Comfort Control Auto Fan Speed Wiring Error Check Indoor Unit Quiet Operation Anticorrosion Treatment of Outdoor Heat Exchanger Night Quiet Mode Automatic Flexibility Multi Split Split Type Compatible Indoor Unit Outdoor Unit Quiet Operation Manual Flexibl...

Страница 25: ...rt Airflow Mode Night Set Mode 3 Step Airflow H P Only Worry Free Reliability Durability Auto Restart after Power Failure Comfort Control Auto Fan Speed Self Diagnosis Digital LED Display Indoor Unit Quiet Operation Wiring Error Check Night Quiet Mode Automatic Anticorrosion Treatment of Outdoor Heat Exchanger Outdoor Unit Quiet Operation Manual Intelligent Eye Flexibility Multi Split Split Type C...

Страница 26: ...ight Set Mode Comfort Airflow Mode Worry Free Reliability Durability Auto Restart after Power Failure 3 Step Airflow H P Only Self Diagnosis Digital LED Display Comfort Control Auto Fan Speed Wiring Error Check Indoor Unit Quiet Operation Anticorrosion Treatment of Outdoor Heat Exchanger Night Quiet Mode Automatic Flexibility Multi Split Split Type Compatible Indoor Unit Outdoor Unit Quiet Operati...

Страница 27: ...mfort Airflow Mode Worry Free Reliability Durability Auto Restart after Power Failure 3 Step Airflow H P Only Self Diagnosis Digital LED Display Comfort Control Auto Fan Speed Wiring Error Check Indoor Unit Quiet Operation Anticorrosion Treatment of Outdoor Heat Exchanger Night Quiet Mode Automatic Flexibility Multi Split Split Type Compatible Indoor Unit Outdoor Unit Quiet Operation Manual Flexib...

Страница 28: ...mfort Airflow Mode Worry Free Reliability Durability Auto Restart after Power Failure 3 Step Airflow H P Only Self Diagnosis Digital LED Display Comfort Control Auto Fan Speed Wiring Error Check Indoor Unit Quiet Operation Anticorrosion Treatment of Outdoor Heat Exchanger Night Quiet Mode Automatic Flexibility Multi Split Split Type Compatible Indoor Unit Outdoor Unit Quiet Operation Manual Flexib...

Страница 29: ...ight Set Mode Comfort Airflow Mode Worry Free Reliability Durability Auto Restart after Power Failure 3 Step Airflow H P Only Self Diagnosis Digital LED Display Comfort Control Auto Fan Speed Wiring Error Check Indoor Unit Quiet Operation Anticorrosion Treatment of Outdoor Heat Exchanger Night Quiet Mode Automatic Flexibility Multi Split Split Type Compatible Indoor Unit Outdoor Unit Quiet Operati...

Страница 30: ... Set Mode Comfort Airflow Mode Worry Free Reliability Durability Auto Restart after Power Failure 3 Step Airflow H P Only Self Diagnosis Digital LED Display Comfort Control Auto Fan Speed Wiring Error Check Indoor Unit Quiet Operation Anticorrosion Treatment of Outdoor Heat Exchanger Night Quiet Mode Automatic Flexibility Multi Split Split Type Compatible Indoor Unit Outdoor Unit Quiet Operation M...

Страница 31: ...ight Set Mode Comfort Airflow Mode Worry Free Reliability Durability Auto Restart after Power Failure 3 Step Airflow H P Only Self Diagnosis Digital LED Display Comfort Control Auto Fan Speed Wiring Error Check Indoor Unit Quiet Operation Anticorrosion Treatment of Outdoor Heat Exchanger Night Quiet Mode Automatic Flexibility Multi Split Split Type Compatible Indoor Unit Outdoor Unit Quiet Operati...

Страница 32: ...ht Set Mode Comfort Airflow Mode Worry Free Reliability Durability Auto Restart after Power Failure 3 Step Airflow H P Only Self Diagnosis Digital LED Display Comfort Control Auto Fan Speed Wiring Error Check Indoor Unit Quiet Operation Anticorrosion Treatment of Outdoor Heat Exchanger Night Quiet Mode Automatic Flexibility Multi Split Split Type Compatible Indoor Unit Outdoor Unit Quiet Operation...

Страница 33: ...List of Functions Si18 525B 20 List of Functions ...

Страница 34: ...Si18 525B Specifications 21 Part 2 Specifications 1 Specifications 22 1 1 Cooling Only 22 1 2 Heat Pump 42 ...

Страница 35: ... Motor Output W 70 70 Running Current A 0 4 0 4 Power Consumption W 88 88 Starting Current A 15 3 14 5 14 3 21 1 20 1 19 8 24 2 23 9 23 6 Dimensions H W D mm 1 345 900 320 Package Dimensions H W D mm 1 475 925 390 Weight kg 136 Gross Weight kg 146 Operation Sound dBA 52 53 54 Piping Connection Liquid mm φ9 5 Flare Connection Gas mm φ19 1 Brazing Connection Drain mm φ18 Heat Insulation Both Liquid ...

Страница 36: ...Current A 0 4 0 4 Power Consumption W 88 88 Starting Current A 15 3 14 5 14 3 21 1 20 1 19 8 24 2 23 9 23 6 Dimensions H W D mm 1 345 900 320 Package Dimensions H W D mm 1 475 925 390 Weight kg 136 Gross Weight kg 146 Operation Sound dBA 52 53 54 Piping Connection Liquid mm φ9 5 Flare Connection Gas mm φ19 1 Brazing Connection Drain mm φ18 Heat Insulation Both Liquid and Gas Pipes No of Wiring Con...

Страница 37: ... Running Current A 0 4 0 4 Power Consumption W 88 88 Starting Current A 15 3 14 5 19 7 18 7 24 2 23 9 Dimensions H W D mm 1 345 900 320 Package Dimensions H W D mm 1 475 925 390 Weight kg 136 Gross Weight kg 146 Operation Sound dBA 52 53 54 Piping Connection Liquid mm φ9 5 Flare Connection Gas mm φ19 1 Brazing Connection Drain mm φ18 Heat Insulation Both Liquid and Gas Pipes No of Wiring Connectio...

Страница 38: ...W D mm 257 738 427 Machine Weight kg 7 5 8 Gross Weight kg 11 12 Number of Wiring Connections 4 for Interunit Wiring Piping Connection Brazing Liquid mm Main φ9 5 1 Branch φ6 4 2 Main φ9 5 1 Branch φ6 4 3 Gas mm Main φ19 1 1 Branch φ15 9 2 Main φ19 1 1 Branch φ15 9 3 Drain mm Drain Processingless Heat Insulation Both Liquid and Gas Pipes Max Piping Length m Amount of Additional Charge g m Max Heig...

Страница 39: ...427 Machine Weight kg 7 5 8 Gross Weight kg 11 12 Number of Wiring Connections 4 for Interunit Wiring Piping Connection Brazing Liquid mm Main φ9 5 1 Branch φ6 4 2 Main φ9 5 1 Branch φ6 4 3 Gas mm Main φ19 1 1 Branch φ15 9 2 Main φ19 1 1 Branch φ15 9 3 Drain mm Drain Processingless Heat Insulation Both Liquid and Gas Pipes Max Piping Length m Amount of Additional Charge g m Max Height Difference m...

Страница 40: ...ections 3 for Power Supply Including Earth Wiring 2 for Interunit Wiring Outdoor Unit BP BP BP 4 for Interunit Wiring BP Indoor Unit Piping Connection Brazing Liquid mm Main φ9 5 1 Branch φ6 4 2 Main φ9 5 1 Branch φ6 4 3 Gas mm Main φ19 1 1 Branch φ15 9 2 Main φ19 1 1 Branch φ15 9 3 Drain mm Drain Processingless Heat Insulation Both Liquid and Gas Pipes Max Piping Length m Amount of Additional Cha...

Страница 41: ...Gas Pipes Both Liquid and Gas Pipes Piping Connection Liquid mm φ 6 4 φ 6 4 Gas mm φ 9 5 φ 9 5 Drain mm φ18 0 φ18 0 Drawing No 3D049321 3D049322 Conversion Formulae kcal h kW 860 Btu h kW 3414 cfm m min 35 3 Model FTKS50BVMB FTKS60BVMB Rated Capacity 5 0kW Class 6 0kW Class Front Panel Color White White Air Flow Rates m min cfm H 11 4 402 16 2 572 M 9 7 342 13 6 480 L 8 0 282 11 4 402 SL 7 1 251 1...

Страница 42: ...on Liquid mm φ 6 4 φ 6 4 Gas mm φ15 9 φ12 7 Drain mm φ18 0 φ18 0 Drawing No 3D040783A 3D034991 Conversion Formulae kcal h kW 860 Btu h kW 3414 cfm m min 35 3 Model FTK60AZVMB FTK71AZVMB Rated Capacity 6 0kW Class 7 1kW Class Front Panel Color Almond White Almond White Air Flow Rates m min cfm H 13 0 459 13 7 484 M 11 5 406 11 8 417 L 9 9 349 9 9 349 SL 8 8 311 8 8 311 Fan Type Cross Flow Fan Cross...

Страница 43: ... Weight kg 12 12 Operation Sound H L SL dBA 37 25 22 37 25 22 Sound Power H dBA Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes Piping Connection Liquid mm φ 6 4 φ 6 4 Gas mm φ 9 5 φ 9 5 Drain mm φ18 0 φ18 0 Drawing No 3D049754 3D049288 Conversion Formulae kcal h kW 860 Btu h kW 3414 cfm m min 35 3 Model FTKS35DVMA Rated Capacity 3 5kW Class Front Panel Color White Air Flow Rat...

Страница 44: ...ound H M L SL dBA 44 40 35 32 45 41 36 33 Sound Power H dBA 63 63 Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes Piping Connection Liquid mm φ 6 4 φ 6 4 Gas mm φ12 7 φ12 7 Drain mm φ18 0 φ18 0 Drawing No 3D047569 3D047570 Conversion Formulae kcal h kW 860 Btu h kW 3414 cfm m min 35 3 Model FTKS71BVMA8 Rated Capacity 7 1kW Class Front Panel Color White Air Flow Rates m min cfm ...

Страница 45: ...m φ 6 4 φ 6 4 Gas mm φ 9 5 φ12 7 Drain mm φ18 0 φ18 0 Drawing No 3D049308A 3D049309A Conversion Formulae kcal h kW 860 Btu h kW 3414 cfm m min 35 3 Model FTKD50FVM FTKD60FVM Rated Capacity 5 0kW Class 6 0kW Class Front Panel Color White White Air Flow Rates m min cfm H 16 8 593 17 5 618 M 14 0 494 14 6 516 L 11 8 417 12 2 431 SL 10 4 367 10 8 381 Fan Type Cross Flow Fan Cross Flow Fan Motor Output...

Страница 46: ... Air Filter Removable Washable Mildew Proof Running Current Rated A 0 23 0 22 0 21 0 23 0 22 Power Consumption Rated W 50 Power Factor 98 8 98 8 99 2 98 8 98 8 Temperature Control Microcomputer Control Dimensions H W D mm 290 1 050 238 Packaged Dimensions H W D mm 337 1 147 366 Weight kg 12 Gross Weight kg 17 Operation Sound H M L SL dBA 46 42 37 34 Heat Insulation Both Liquid and Gas Pipes Piping...

Страница 47: ...m min 35 3 Model FTK60AVM FTK71AVM Rated Capacity 6 0kW Class 7 1kW Class Front Panel Color Almond White White Air Flow Rates m min cfm H 13 6 480 14 3 505 M 12 0 424 12 3 434 L 10 4 367 10 4 367 SL 9 3 328 9 3 328 Fan Type Cross Flow Fan Cross Flow Fan Motor Output W 54 54 Speed Steps 5 Steps Quiet Auto 5 Steps Quiet Auto Air Direction Control Right Left Horizontal Downward Right Left Horizontal ...

Страница 48: ...9 35 33 31 29 External Static Pressure Pa 40 40 Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes Piping Connection Liquid mm φ 6 4 φ 6 4 Gas mm φ 9 5 φ 9 5 Drain mm VP20 O D φ26 I D φ20 VP20 O D φ26 I D φ20 Drawing No 3D048947C 3D048948C Conversion Formulae kcal h kW 860 Btu h kW 3414 cfm m min 35 3 Model CDKS50CVMB CDKS60CVMB Rated Capacity 5 0kW Class 6 0kW Class Front Panel C...

Страница 49: ... φ 9 5 Drain mm VP20 O D φ 26 I D φ 20 VP20 O D φ 26 I D φ 20 Drawing No 3D049723 3D049724 Conversion Formulae kcal h kW 860 Btu h kW 3414 cfm m min 35 3 Model CDKS50CVMA CDKS60CVMA Rated Capacity 5 0kW Class 6 0kW Class Front Panel Color Air Flow Rates m min cfm H 12 0 424 16 0 565 M 11 0 388 14 8 523 L 10 0 353 13 5 477 SL 8 4 297 11 2 395 Fan Type Sirocco Fan Sirocco Fan Motor Output W 130 130 ...

Страница 50: ...3 31 29 External Static Pressure Pa 40 40 Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes Piping Connection Liquid mm φ 6 4 φ 6 4 Gas mm φ 9 5 φ12 7 Drain mm VP20 O D φ 26 I D φ 20 VP20 O D φ 26 I D φ 20 Drawing No 3D046077A 3D046078A Conversion Formulae kcal h kW 860 Btu h kW 3414 cfm m min 35 3 Model CDKD50CVM CDKD60CVM Rated Capacity 5 0kW Class 6 0kW Class Front Panel Color...

Страница 51: ...eed Steps 5 Steps Quiet Auto 5 Steps Quiet Auto Running Current Rated A 0 47 0 48 0 49 0 52 0 53 0 47 0 48 0 49 0 52 0 53 Power Consumption Rated W 70 71 72 72 73 70 71 72 72 73 Power Factor 67 7 64 3 61 2 62 9 59 9 67 7 64 3 61 2 62 9 59 9 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 200 700 620 200 700 620 Packaged Dimensions H W D mm 274 906 751 274 906 75...

Страница 52: ...5 φ 9 5 Drain mm VP20 O D φ 26 I D φ 20 VP20 O D φ 26 I D φ 20 Drawing No 3D040444A 3D040442A Model FFQ50B7V1B FFQ60B7V1B Rated Capacity 5 0kW Class 6 0kW Class Decoration Panel Color White White Dimensions H W D 55 700 700 55 700 700 Air Flow Rates m min cfm H 12 0 424 13 0 459 15 0 530 15 5 547 M L 8 0 283 10 0 353 11 0 388 SL Fan Type Turbo Fan Turbo Fan Motor Output W 55 55 Speed Steps 2 Steps...

Страница 53: ...e φ 12 7 Flare Drain mm VP20 O D φ 32 I D φ 25 VP20 O D φ 32 I D φ 25 Drawing No 3D049093A 3D049093A Conversion Formulae kcal h kW 860 Btu h kW 3414 cfm m min 35 3 Model FCQ60BVE FCQ71BVE Rated Capacity 6 0kW Class 7 1kW Class Decoration Panel Color White White Dimensions H W D 40 950 950 40 950 950 Air Flow Rates m min cfm H 19 0 670 7 19 0 670 7 M L 14 0 494 2 14 0 494 2 SL Fan Type Turbo Fan Tu...

Страница 54: ...9 FHQ60BUV1B9 Rated Capacity 3 5kW Class 5 0kW Class 6 0kW Class Decoration Panel Color White White White Dimensions H W D Air Flow Rates m min cfm H 13 0 458 13 0 458 17 0 600 M L 10 0 353 10 0 353 13 0 459 SL Fan Type Sirocco Fan Sirocco Fan Sirocco Fan Motor Output W 62 62 62 Speed Steps 2 Steps 2 Steps 2 Steps Air Direction Control Right Left Horizontal Downward Right Left Horizontal Downward ...

Страница 55: ... Type Propeller Motor Output W 70 70 Running Current A 0 4 0 4 Power Consumption W 88 88 Starting Current A 18 5 17 6 17 3 23 7 22 6 22 2 25 2 24 9 24 6 Dimensions H W D mm 1 345 900 320 Package Dimensions H W D mm 1 475 925 390 Weight kg 136 Gross Weight kg 146 Operation Sound Cooling dBA 52 53 54 Heating dBA 54 55 56 Piping Connection Liquid mm φ9 5 Flare Connection Gas mm φ19 1 Brazing Connecti...

Страница 56: ...r Output W 70 70 Running Current A 0 4 0 4 Power Consumption W 88 88 Starting Current A 18 5 17 6 17 3 23 7 22 6 22 2 25 2 24 9 24 6 Dimensions H W D mm 1 345 900 320 Package Dimensions H W D mm 1 475 925 390 Weight kg 136 Gross Weight kg 146 Operation Sound Cooling dBA 52 53 54 Heating dBA 54 55 56 Piping Connection Liquid mm φ9 5 Flare Connection Gas mm φ19 1 Brazing Connection Drain mm φ18 Heat...

Страница 57: ...tput W 70 70 Running Current A 0 4 0 4 Power Consumption W 88 88 Starting Current A 18 5 17 6 17 3 23 7 22 6 22 2 25 2 24 9 24 6 Dimensions H W D mm 1 345 900 320 Package Dimensions H W D mm 1 475 925 390 Weight kg 136 Gross Weight kg 146 Operation Sound Cooling dBA 52 53 54 Heating dBA 54 55 56 Piping Connection Liquid mm φ9 5 Flare Connection Gas mm φ19 1 Brazing Connection Drain mm φ18 Heat Ins...

Страница 58: ...W D mm 257 738 427 Machine Weight kg 7 5 8 Gross Weight kg 11 12 Number of Wiring Connections 4 for Interunit Wiring Piping Connection Brazing Liquid mm Main φ9 5 1 Branch φ6 4 2 Main φ9 5 1 Branch φ6 4 3 Gas mm Main φ19 1 1 Branch φ15 9 2 Main φ19 1 1 Branch φ15 9 3 Drain mm Drain Processingless Heat Insulation Both Liquid and Gas Pipes Max Piping Length m Amount of Additional Charge g m Max Heig...

Страница 59: ...D mm 265 855 340 265 855 340 Weight kg 9 9 Gross Weight kg 12 12 Operation Sound H L SL dBA 37 25 22 37 28 25 37 25 22 37 28 25 Sound Power H dBA Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes Piping Connection Liquid mm φ 6 4 φ 6 4 Gas mm φ 9 5 φ 9 5 Drain mm φ18 0 φ18 0 Drawing No 3D049290 3D049291 Conversion Formulae kcal h kW 860 Btu h kW 3414 cfm m min 35 3 Model FTXS35DV...

Страница 60: ...peration Sound H M L SL dBA 44 40 35 32 42 38 33 30 45 41 36 33 44 40 35 32 Sound Power H dBA 63 60 63 62 Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes Piping Connection Liquid mm φ 6 4 φ 6 4 Gas mm φ12 7 φ12 7 Drain mm φ18 0 φ18 0 Drawing No 3D047566 3D047567 Model FTXS71BVMA8 Cooling Heating Rated Capacity 7 1kW Class Front Panel Color White Air Flow Rates m min cfm H 16 8 ...

Страница 61: ...quid mm φ 6 4 φ 6 4 Gas mm φ 9 5 φ 9 5 Drain mm φ18 0 φ18 0 Drawing No 3D049891A 3D049892A Conversion Formulae kcal h kW 860 Btu h kW 3414 cfm m min 35 3 Model FTXS35DVMT FTXS50DVMT Cooling Heating Cooling Heating Capacity 3 5kW Class 5 0kW Class Front Panel Color White White Air Flow Rates m min cfm H 8 9 314 9 7 342 11 4 402 12 6 445 M 6 9 244 7 9 279 9 7 342 10 8 381 L 4 8 169 6 0 212 8 0 282 8...

Страница 62: ...eft Horizontal Downward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current A 0 21 0 21 0 23 0 23 Power Consumption W 45 45 50 50 Power Factor 97 4 97 4 98 8 98 8 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 290 1 050 238 290 1 050 238 Packaged Dimensions H W D mm 337 1 147 366 337 1 147 366 Weight kg 12 12 Gross Weight ...

Страница 63: ...m φ 9 5 φ 9 5 Drain mm VP20 O D φ 26 I D φ 20 VP20 O D φ 26 I D φ 20 Drawing No 3D046469 3D046470 Conversion Formulae kcal h kW 860 Btu h kW 3414 cfm m min 35 3 Model CDXS50CVMA CDXS60CVMA Cooling Heating Cooling Heating Rated Capacity 5 0kW Class 6 0kW Class Front Panel Color Air Flow Rates m min cfm H 12 0 424 12 0 424 16 0 565 16 0 565 M 11 0 388 11 0 388 14 8 523 14 8 523 L 10 0 353 10 0 353 1...

Страница 64: ... φ 9 5 Drain mm VP20 O D φ 26 I D φ 20 VP20 O D φ 26 I D φ 20 Drawing No 3D049727 3D049728 Conversion Formulae kcal h kW 860 Btu h kW 3414 cfm m min 35 3 Model CDXS50DVMT CDXS60DVMT Cooling Heating Cooling Heating Capacity 5 0kW Class 6 0kW Class Front Panel Color Air Flow Rates m min cfm H 12 0 424 16 0 565 M 11 0 388 14 8 523 L 10 0 353 13 5 477 SL 8 4 297 11 2 395 Fan Type Sirocco Fan Sirocco F...

Страница 65: ... Piping Connection Liquid mm φ 6 4 φ 6 4 Gas mm φ 9 5 φ 9 5 Drain mm φ18 0 φ18 0 Drawing No 3D046600 3D046601 Conversion Formulae kcal h kW 860 Btu h kW 3414 cfm m min 35 3 Model FLXS50BVMA FLXS60BVMA Cooling Heating Cooling Heating Rated Capacity 5 0kW Class 5 7kW Class Front Panel Color Almond White Almond White Air Flow Rates m min cfm H 11 4 402 12 1 427 12 0 424 12 8 452 M 10 0 353 9 8 346 10...

Страница 66: ...ight Left Horizontal Upward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 14 0 14 0 26 0 32 Power Consumption Rated W 32 32 55 70 Power Factor 99 4 99 4 92 0 95 1 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 600 650 195 600 650 195 Packaged Dimensions H W D mm 714 770 294 714 770 294 Weight kg 13 13 Gross...

Страница 67: ...I D φ 20 VP20 O D φ 26 I D φ 20 Drawing No 3D040445 3D040443 Model FFQ50B7V1B FFQ60B7V1B Cooling Heating Cooling Heating Rated Capacity 5 0kW Class 6 0kW Class Decoration Panel Color White White Dimensions H W D 55 700 700 55 700 700 Air Flow Rates m min cfm H 12 0 424 13 0 459 12 0 424 13 0 459 15 0 530 15 5 547 15 0 530 15 5 547 M L 8 0 283 8 0 283 10 0 353 11 0 388 10 0 353 11 0 388 SL Fan Type...

Страница 68: ... φ 12 7 Flare Drain mm VP20 O D φ 32 I D φ 25 VP20 O D φ 32 I D φ 25 Drawing No 3D049093A 3D049093A Model FCQ60BVE FCQ71BVE Cooling Heating Cooling Heating Rated Capacity 6 0kW Class 7 1kW Class Decoration Panel Color White White Dimensions H W D 40 950 950 40 950 950 Air Flow Rates m min cfm H 19 0 670 7 19 0 670 7 M L 14 0 494 2 14 0 494 2 SL Fan Type Turbo Fan Turbo Fan Motor Output W 45 45 Spe...

Страница 69: ... Gas mm φ 12 7 Flare φ 15 9 Flare Drain mm VP25 O D φ 32 I D φ 25 VP25 O D φ 32 I D φ 25 Drawing No 3D049097 3D049097 Model FBQ60BVL FBQ71BVL Cooling Heating Cooling Heating Rated Capacity 6 0kW Class 7 1kW Class Decoration Panel Color White White Dimensions H W D 55 1100 500 55 1100 500 Air Flow Rates m min cfm H 19 0 670 19 0 670 M L 14 0 494 14 0 494 SL Fan Type Sirocco Fan Sirocco Fan Motor Ou...

Страница 70: ...Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Removable Washable Mildew Proof Temperature Control Microcomputer Control Microcomputer Control Microcomputer Control Dimensions H W D mm 195 960 680 195 960 680 195 1 160 680 Packaged Dimensions H W D mm 279 1 046 818 279 1 046 818 279 1 246 818 Weight kg 24 25 27 Gross Weight kg 31 32 35 Operation Sound H L dBA 37 32 38 3...

Страница 71: ...Specifications Si18 525B 58 Specifications ...

Страница 72: ...or Wiring Diagram 60 1 1 Outdoor Unit 60 1 2 Branch Provider Unit 66 1 3 Wall Mounted Type 67 1 4 Duct Connected Type 76 1 5 Floor Ceiling Suspended Dual Type 78 1 6 Floor Standing Type 81 1 7 Ceiling Mounted Cassette Type 600 600 84 1 8 Ceiling Mounted Cassette Type 950 950 87 1 9 Ceiling Mounted Built in Type 90 1 10 Ceiling Suspended Type 92 ...

Страница 73: ...7 X26A Connector for Electronic Expansion Valve Main 8 X28A Connector for Electronic Expansion Valve Sub Cool 9 X34A Connector for Discharge Pipe Thermistor 10 X37A Connector for Thermistors Suction Pipe Heat Exchanger and SC Heat Exchanger Gas Pipe 11 X44A Connector for Outdoor Air Thermistor 12 X45A Connector for High Pressure Sensor 13 X46A Connector for Low Pressure Sensor Note Other Designati...

Страница 74: ... Printed Circuit Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram 61 PCB Detail X25A X28A X26A H1P to H7P BS1 to BS5 X1A X2A X3A X5A X6A HAP DS1 X1M X46A X45A X44A X37A X34A 2P119093 ...

Страница 75: ...g Diagram 1 1 2 Inverter PCB A2P Connectors 1 X60A Connector for High Pressure Switch 2 X205A Connector for Control PCB A1P 3 X206A Connector for Fan Motor Upper Side 4 X207A Connector for Fan Motor Lower Side 5 LC NC Terminal for Filter PCB A3P RMX K S models LC NC 2P135876 X206A X207A X205A X60A ...

Страница 76: ...Si18 525B Printed Circuit Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram 63 RMKD models LC NC 2P120962 X206A X207A X205A X60A ...

Страница 77: ...tor Wiring Diagram 1 1 3 Filter PCB A3P Connectors 1 X1A Connector for Control PCB A1P 2 LA NA Terminal for X1M Power Supply Terminal Strip 3 LB NB Terminal for Inverter PCB A2P Note Other Designation 1 F1U Fuse 250V 6 3A 2 GND Earth Terminal RMX K S models NB LB GND NA LA X1A F1U 2P135804 ...

Страница 78: ...Si18 525B Printed Circuit Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram 65 RMKD models NB LB GND NA LA X1A F1U 2P120963 ...

Страница 79: ...r Thermistors 1 F2U Fuse AC250V 3 15A 2 X3M Terminal for Inter Connecting Wire to Room A 3 X4M Terminal for Inter Connecting Wire to Room B 4 X5M Terminal for Inter Connecting Wire to Room C 5 F1 F2 on X6M Terminal for Transmission to Outdoor Unit or Other BP units 6 L1 N1 on X1M Terminal for Power Supply 7 L2 N2 on X1M Terminal for Power Supply to other BP units 8 H1P LED A LED for Service Monito...

Страница 80: ...or for display PCB 5 S28 Connector for signal receiver PCB 6 S32 Connector for heat exchanger thermistor 7 S35 Connector for INTELLIGENT EYE sensor PCB 1 S29 Connector for control PCB 1 S27 Connector for control PCB 1 S36 Connector for control PCB 1 V1 Varistor 2 JA Address setting jumper JB Fan speed setting when compressor is OFF on thermostat JC Power failure recovery function auto restart Refe...

Страница 81: ... Printed Circuit Board Connector Wiring Diagram PCB Detail PCB 1 Control PCB PCB 4 INTELLIGENT EYE sensor PCB V1 S1 FU1 S6 S26 S28 S32 JC JB JA LED A S35 S21 R4288 PCB 2 Signal Receiver PCB PCB 3 Display PCB S29 R4289 RTH1 SW1 S27 LED3 LED2 LED1 R4290 S36 R4291 ...

Страница 82: ... Connector for display PCB 6 S28 Connector for signal receiver PCB 7 S32 Connector for heat exchanger thermistor 8 S35 Connector for INTELLIGENT EYE sensor PCB 1 S29 Connector for control PCB 1 S27 Connector for control PCB 1 S36 Connector for control PCB 1 V1 Varistor 2 JA Address setting jumper JB Fan speed setting when compressor is OFF on thermostat JC Power failure recovery function auto rest...

Страница 83: ...rinted Circuit Board Connector Wiring Diagram PCB Detail PCB 1 Control PCB PCB 4 INTELLIGENT EYE sensor PCB V1 FU1 S1 S6 S7 S26 S28 S32 JC JB JA LED A S35 S21 R4779 PCB 2 Signal Receiver PCB PCB 3 Display PCB S29 R4289 RTH1 SW1 S27 LED3 LED2 LED1 R4290 S36 R4547 ...

Страница 84: ...ized control HA 5 S26 Connector for buzzer PCB 6 S28 Connector for signal receiver PCB 7 S32 Connector for heat exchanger thermistor 8 S35 Connector for Intelligent Eye sensor PCB 1 S29 Connector for control PCB 1 S27 Connector for control PCB 2 S38 Connector for display PCB 1 S37 Connector for buzzer PCB 1 S36 Connector for control PCB 1 V1 Varistor 2 JA Address setting jumper JB Fan speed settin...

Страница 85: ...Connector Wiring Diagram PCB Detail PCB 1 Control PCB indoor unit PCB 2 Signal Receiver PCB PCB 3 Buzzer PCB PCB 4 Display PCB PCB 5 Intelligent Eye sensor PCB S1 V1 FU1 S6 S8 S26 R2860 S28 S32 JC JB JA LED A S21 S35 SW1 S29 R2861 R2862 RTH1 S38 S27 LED1 LED2 LED3 S37 R2863 S36 R2864 ...

Страница 86: ...4 Connector for display PCB 5 S26 Connector for signal receiver PCB 6 S32 Connector for heat exchanger thermistor 7 S37 Connector for power supply PCB 1 S36 Connector for control PCB 2 S201 Connector for fan motor 1 S25 Connector for control PCB 1 S31 Connector for room temperature thermistor 2 S27 Connector for control PCB 1 JA Address setting jumper JB Fan speed setting when compressor is OFF on...

Страница 87: ...Printed Circuit Board Connector Wiring Diagram Si18 525B 74 Printed Circuit Board Connector Wiring Diagram PCB Detail PCB 1 Control PCB PCB Detail PCB 2 Power Supply PCB ...

Страница 88: ...Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram 75 PCB Detail PCB 3 Display PCB PCB Detail PCB 4 Signal Receiver PCB SW1 PbF PHOTO 2P084377 1 SW1 I RTH WLU 3 C1 C2 C3 EX511 REV 12 S27 R4977 S31 RTH ...

Страница 89: ... to 5 rooms 4 S26 Connector for display PCB 5 S32 Connector for heat exchanger thermistor 1 S1 Connector for control PCB 1 V1 Varistor 2 JA Address setting jumper JB Fan speed setting when compressor is OFF on thermostat JC Power failure recovery function Refer to page 193 for more detail 3 LED A LED for service monitor green 4 FU1 Fuse 3 15A 1 SW1 S1W Forced operation ON OFF switch 2 LED1 LED for...

Страница 90: ...Si18 525B Printed Circuit Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram 77 PCB Detail PCB 2 Display PCB C1 C3 C2 WLU PbF 2P084375 ...

Страница 91: ...ctor for display PCB 5 S26 Connector for signal receiver PCB 6 S32 Connector for heat exchanger thermistor 7 S37 Connector for power supply PCB 1 S36 Connector for control PCB 1 S25 Connector for control PCB 1 S27 Connector for control PCB 2 S31 Connector for room temperature thermistor 1 JA Address setting jumper JB Fan speed setting when compressor is OFF on thermostat JC Power failure recovery ...

Страница 92: ...Si18 525B Printed Circuit Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram 79 PCB Detail PCB 1 Control PCB PCB Detail PCB 2 Power Supply PCB ...

Страница 93: ... Board Connector Wiring Diagram Si18 525B 80 Printed Circuit Board Connector Wiring Diagram PCB 3 Display PCB PCB 4 Signal Receiver PCB SW1 PbF PHOTO 2P084377 1 SW1 I RTH WLU 3 C1 C2 C3 EX511 REV 12 S27 R4977 S31 RTH ...

Страница 94: ... S32 Connector for room temperature heat exchanger thermistor 5 S7 S201 S203 Connector for power supply PCB 6 S25 Connector for signal receiver PCB 7 S301 S302 Connector for DC fan motors 1 S26 Connector for control PCB 1 S24 Connector for control PCB 1 V1 Varistor 2 JA Address setting jumper JB Fan speed setting when compressor is OFF on thermostat JC Power failure recovery function Refer to page...

Страница 95: ...Printed Circuit Board Connector Wiring Diagram Si18 525B 82 Printed Circuit Board Connector Wiring Diagram PCB Detail PCB 1 Power Supply PCB ...

Страница 96: ...Si18 525B Printed Circuit Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram 83 PCB Detail PCB 2 Control PCB PCB 3 Signal Receiver PCB PCB 4 Display PCB ...

Страница 97: ...r fan motor 7 X24A Connector for signal receiver PCB when the wireless remote controller is used 8 X25A Connector for drain pump motor 9 X27A Connector for terminal strip for inter unit wiring 10 X33A Optional connector for wiring adaptor PCB 11 X35A Optional connector for group control adaptor 12 X36A Connector for swing motor 13 X40A Optional connector for ON OFF input from outside 14 X60A X61A ...

Страница 98: ...r Wiring Diagram Printed Circuit Board Connector Wiring Diagram 85 PCB Detail PCB 1 Control PCB A1P X25A X18A X61A X36A X40A X17A X15A HAP Service monitor LED Capacity setting adaptor X5A X35A X24A X60A X19A X11A X33A X10A X27A X20A 2P095006 ...

Страница 99: ...rcuit Board Connector Wiring Diagram Si18 525B 86 Printed Circuit Board Connector Wiring Diagram PCB Detail PCB 2 Signal Receiver PCB A3P PCB 3 Display PCB A4P X2A R4873 X1A SS2 LED4 X1A BS1 R4874 LED3 LED2 LED1 ...

Страница 100: ...ermistor 6 X20A Connector for fan motor 7 X24A Connector for signal receiver PCB when the wireless remote controller is used 8 X25A Connector for drain pump motor 9 X27A Connector for terminal strip for inter unit wiring 10 X33A Optional connector for wiring adaptor PCB 11 X35A Optional connector for group control adaptor 12 X36A Connector for swing motor 13 X60A X61A Optional connector for interf...

Страница 101: ...g Diagram Si18 525B 88 Printed Circuit Board Connector Wiring Diagram PCB Detail PCB 1 Control PCB A1P X25A X18A X61A X36A X17A X15A HAP Service monitor LED Capacity setting adaptor X5A X35A X24A X60A X19A X11A X33A X10A X27A X20A 2P095006 ...

Страница 102: ...Printed Circuit Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram 89 PCB Detail PCB 2 Signal Receiver PCB A2P PCB 3 Display PCB A3P X2A R4873 X1A SS2 LED3 R4955 LED4 X1A BS1 LED2 LED1 ...

Страница 103: ...A X11A Connector for transformer 3 X15A Connector for float switch 4 X17A X18A Connector for heat exchanger thermistor 5 X19A Connector for room temperature thermistor 6 X21A Connector for fan motor 7 X25A Connector for drain pump motor 8 X27A Connector for terminal strip for inter unit wiring 9 X33A Optional connector for wiring adaptor PCB 10 X35A Optional connector for group control adaptor 11 ...

Страница 104: ...5B Printed Circuit Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram 91 PCB Detail Control PCB A1P X27A X25A X11A X33A X61A X15A X18A X19A X17A X21A X5A X10A X35A X60A HAP 2P095008 ...

Страница 105: ... 1 6 X19A Connector for Room Temperature Thermistor 7 X20A X26A Connector for Fan Motor 8 X24A Connector for Wireless Remote Controller Receiver Unit 9 X25A Connector for Drain Pump Motor Optional Accessory 10 X27A Connector for Terminal Strip for Inter Unit Wiring 11 X29A Connector for Swing Motor 12 X33A Connector for Wring Adaptor PCB Optional Accessory 13 X35A Connector for Group Control Adapt...

Страница 106: ...rd Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram 93 PCB Detail Capacity setting adaptor X18A X40A X15A X19A X17A X14A X61A X33A X27A X20A X35A X60A X5A X24A X26A X29A X25A HAP Service monitor LED 2P095007 ...

Страница 107: ...Printed Circuit Board Connector Wiring Diagram Si18 525B 94 Printed Circuit Board Connector Wiring Diagram ...

Страница 108: ...t 96 1 1 Outdoor Units 96 1 2 BP Units 98 2 Functional Parts Layout 99 2 1 Outdoor Units 99 3 Refrigerant Flow for Each Operation Mode 100 3 1 Cooling Operation 100 3 2 Heating Operation 101 3 3 Cooling Oil Return Operation 102 3 4 Heating Oil Return Operation Defrost Operation 103 ...

Страница 109: ...essure when a malfunction occurs this switch is activated at high pressure of 4 0 MPa or more to stop the compressor operation S Fusible plug In order to prevent the increase of pressure when abnormal heating is caused by fire or others the fusible part of the plug is molten at a temperature of 70 to 75 C to release the pressure into the atmosphere T Pressure regulating valve 1 Receiver to dischar...

Страница 110: ...de φ 6 4mm flare connection SP Filter SV Oil separator Four way Solenoid valve SV Pressure regulating valve valve Solenoid valve Compressor Filter Check Check valve valve HPS Receiver switch High pressure Check Check valve valve expansion valve Electronic Filter Heat exchanger pipe expansion valve Electronic heat exchanger Double pipe Filter Heat exchanger Service port O J S F E D A P T M N G D Q0...

Страница 111: ...control 2 DLA DLC Thermistor Liquid pipe While in heating operation used to carry out the indoor unit SC control 3 R1T Thermistor Room temp Used to detect room air temperature and instructs the capacity supply to BP unit 4 R2T Thermistor Heat exchanger Used to detect heat exchanger temperature and carry out various protection functions and controls of capacity 5 R1T Thermistor Room temp Used to de...

Страница 112: ... Y3S Four way valve lead wire Connector color PINK High voltage Y2S Solenoid valve lead wire Connector color WHITE High voltage Y1S Solenoid valve lead wire Connector color GRAY High voltage E1HC Crankcase heater lead wire Discharge pipe thermistor lead wire R3T S1NPH High pressure sensor Connector color RED Four way valve coil Y3S Solenoid valve Y1S S1NPL Low pressure sensor Connector color BLUE ...

Страница 113: ...h pressure liquid refrigerant High pressure high temp gas refrigerant Low pressure low temp liquid or gas refrigerant FIELD PIPING FIELD PIPING SIRROCO FAN FAN MOTOR HEAT EXCHANGER FIELD PIPING FIELD PIPING SIRROCO FAN FAN MOTOR HEAT EXCHANGER FIELD PIPING FIELD PIPING SIRROCO FAN FAN MOTOR HEAT EXCHANGER FIELD PIPING FIELD PIPING SIRROCO FAN FAN MOTOR HEAT EXCHANGER FIELD PIPING FIELD PIPING SIRR...

Страница 114: ... High pressure high temp gas refrigerant Low pressure low temp liquid or gas refrigerant FIELD PIPING FIELD PIPING SIRROCO FAN FAN MOTOR HEAT EXCHANGER FIELD PIPING FIELD PIPING SIRROCO FAN FAN MOTOR HEAT EXCHANGER FIELD PIPING FIELD PIPING SIRROCO FAN FAN MOTOR HEAT EXCHANGER FIELD PIPING FIELD PIPING SIRROCO FAN FAN MOTOR HEAT EXCHANGER FIELD PIPING FIELD PIPING SIRROCO FAN FAN MOTOR HEAT EXCHAN...

Страница 115: ...rant High pressure high temp gas refrigerant Low pressure low temp liquid or gas refrigerant FIELD PIPING FIELD PIPING SIRROCO FAN FAN MOTOR HEAT EXCHANGER FIELD PIPING FIELD PIPING SIRROCO FAN FAN MOTOR HEAT EXCHANGER FIELD PIPING FIELD PIPING SIRROCO FAN FAN MOTOR HEAT EXCHANGER FIELD PIPING FIELD PIPING SIRROCO FAN FAN MOTOR HEAT EXCHANGER FIELD PIPING FIELD PIPING SIRROCO FAN FAN MOTOR HEAT EX...

Страница 116: ...THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR EV1 SH control 2000 pls 200 400 pls EV2 Full close SVP OFF ON SVG ON OFF ON OFF EV A 80 pls EV H SH control EV B 80 pls EV H Full...

Страница 117: ...Refrigerant Flow for Each Operation Mode Si18 525B 104 Refrigerant Circuit ...

Страница 118: ...trol 124 4 5 Freeze up Protection Control 125 4 6 Dew Condensation Prevention Control 126 5 Other Control 127 5 1 Demand Operation 127 5 2 Heating Operation Prohibition 127 6 BP Unit Control 128 6 1 BP Unit Command Conversion 128 6 2 BP Unit Electronic Expansion Valve Control 129 6 3 SH Control in Cooling Operation 131 6 4 SC Control in Heating Operation 132 6 5 Heat Exchanger Isothermal Control i...

Страница 119: ...Si18 525B 106 Function 8 Indoor Unit SkyAir Models 146 8 1 Function Outline 146 8 2 Electric Function Parts 147 8 3 Function Details 148 ...

Страница 120: ...l Electronic expansion valve PI control Protection control Indoor unit thermostat ON without mode change Defrost IN conditions are met No Yes Defrosting operation Cooling or heating operation BP unit cooling SH control heating SC control Indoor unit thermostat ON Indoor unit stop or thermostat OFF Indoor unit stop or thermostat OFF Malfunction Standby Malfunction Standby Note In the event indoor u...

Страница 121: ...FF This valve turns on with dew prevention control BP unit electronic expansion valve operating room SH control BP unit electronic expansion valve stopping room 0 pls Actuator Operation Remarks Compressor Compressor PI control Used for high pressure protection control low pressure protection control discharge pipe temperature protection control and compressor operating frequency upper limit contro...

Страница 122: ...saturation temperature C TeS initial value TeS Target Te value Varies depending on Te setting operating frequency etc Condition L M Normal factory setting H D up 3 6 9 D keep 12 12 12 D down 12 12 13 Controls compressor capacity to adjust Tc to achieve target value TcS Tc High pressure equivalent saturation temperature C TcS initial value TcS Target Tc value Varies depending on Tc setting operatin...

Страница 123: ...own control When the down command come from all indoor units among thermostat ON indoor units Keep control Except for the above About detail of D signal refer to P128 Cooling Operation TeS TeS initial value KTe2 KTe2 Correction value by D signal in cooling KTe2 0 without correction D control Keep the current KTe2 KTe2 KTe2 0 5 KTe2 KTe2 0 5 Up control by D signal continues 120 sec Down control by ...

Страница 124: ...on value by D signal in heating KTc2 0 without correction D control Keep the current KTc2 KTc2 KTc2 0 5 KTc2 KTc2 0 5 Up control by D signal continues 120 sec Down control by D signal continues 120 sec During compressor frequency PI control KTc2 0 Not during compressor frequency PI control Q0397 ...

Страница 125: ...ding on the discharge pipe superheated degree of inverter compressor Subcooling Electronic Expansion Valve EV2 Control Makes PI control of the electronic expansion valve Y2E to keep the superheated degree SH of the outlet gas pipe on the evaporator side for the full use of the subcooling heat exchanger SH Ts Te SH Evaporator outlet superheated degree C Ts Suction pipe temperature detected by therm...

Страница 126: ...an control restricts lower limit of the number of rotations according to outdoor air temperature Lower Limit Restriction for Cooling Operation Fan Control Lower limit STEP7 Ta 17ºC Ta 20ºC Lower limit STEP5 Ta 15ºC Ta 18ºC Lower limit STEP1 Ta 9ºC Ta 12ºC Ta Outdoor air temperature No limitation 850rpm 715rpm 580rpm 445rpm 360rpm 285rpm 400rpm 250rpm 0 rpm M1F 815rpm 680rpm 545rpm 410rpm 325rpm 25...

Страница 127: ...ion valve EV1 2000 pls Subcooling electronic expansion valve EV2 0 pls Hot gas bypass valve SVP ON Receiver gas discharging valve SVG OFF Ending conditions 255 sec Pc Pe 0 4 MPa 75 sec BP unit electronic expansion valve operating room 0 pls BP unit electronic expansion valve stopping room 0 pls Actuator Operation Remarks Compressor Differential pressure control Compressor operating frequency incre...

Страница 128: ... compressor load Outdoor unit actuator Oil return preparation operation Oil return operation Post oil return operation Compressor Upper limit control 124 Hz 124 Hz Outdoor unit fan Fan control Fan control Fan control Four way valve OFF OFF OFF Main electronic expansion valve EV1 2000 pls 2000 pls 2000 pls Subcooling electronic expansion valve EV2 SH control 0 pls 0 pls Hot gas bypass valve SVP OFF...

Страница 129: ...ng of the four way valve Outdoor Unit Actuator Oil return preparation operation Oil return operation Post oil return operation Compressor Upper limit control 124 Hz 2 step increase from 52 Hz to Pc Pe 0 4 MPa time Outdoor unit fan STEP8 High pressure control STEP8 Four way valve ON OFF ON Main electronic expansion valve EV1 SH control 2000 pls 200 400 pls Subcooling electronic expansion valve EV2 ...

Страница 130: ...rost the compressor stops for 110 sec to reduce noise on changing of the four way valve Outdoor unit actuator Defrost preparation operation Defrost operation Post Defrost operation Compressor Upper limit control 140 Hz 2 step increase from 52 Hz to Pc Pe 0 4 MPa every 20 sec Outdoor unit fan STEP8 OFF STEP8 Four way valve ON OFF ON Main electronic expansion valve EV1 SH control 2000 pls 200 400 pl...

Страница 131: ...ressor 124 Hz Outdoor unit fan Fan control Four way valve OFF Main electronic expansion valve EV1 2000 pls Subcooling electronic expansion valve EV2 0 pls Hot gas bypass valve SVP OFF Receiver gas discharging valve SVG ON OFF Ending conditions 30 sec Pe 0 5 MPa Td 110 C or Actuator Outdoor unit operation Compressor 52 124 Hz Outdoor unit fan STEP8 Four way valve ON Main electronic expansion valve ...

Страница 132: ...lve Keep former condition Main electronic expansion valve EV1 0 pls Subcooling electronic expansion valve EV2 0 pls Hot gas bypass valve SVP OFF Receiver gas discharging valve SVG OFF Ending conditions Indoor unit thermostat is turned ON Actuator Operation Remarks Compressor OFF Outdoor unit fan Cooling STEP7 Heating Ta 26 C STEP8 Ta 26 C OFF Four way valve Keep former condition Main electronic ex...

Страница 133: ...0 sec 3 45MPa Pc 3 55MPa Every 5 min or High pressure not limited High pressure limited INV upper limit frequency 1 step up from current compressor frequency INV upper limit frequency 1 step up from current compressor frequency Pc HP pressure sensor detection value INV upper limit frequency 1 step down from current compressor frequency When occurring 3 times within 30 minutes HPS is activated with...

Страница 134: ...limit frequency Pc 2 95MPa or Increase the operating room Pc 3 00MPa During oil return operation After oil return operation During defrost operation After defrost operation Cooling operation During pump down residual operation INV upper limit frequency 1 step down from current compressor frequency Overload control in heating Keeping the current step Every 10 sec Pc 3 10MPa INV upper limit frequenc...

Страница 135: ...ited Pe LP pressure sensor detection value When occurring 3 times within 60 min the malfunction code E4 is output Q0376 Pe 0 07MPa Upper limit 124Hz Upper limit 52Hz Upper limit 1 step up from current compressor frequency V3176 Pe 0 25MPa INV upper limit frequency More than 124Hz Pe 0 16MPa SVP OFF SVP ON Low pressure not limited Low pressure standby Low pressure limited Pe 0 19MPa every 20 sec Pe...

Страница 136: ...defrost operation preparation post operation Not during oil return operation in heating preparation post operation Not during oil return operation in cooling without preparation and post opeation Tp 130 C HTdi 105 C In discharge pipe protection control Tp 130 C HTdi 110 C or HTdi 115 C for 90sec or more Tp 140 C HTdi 130 C or Cooling 20 sec Heating 60 sec Tp 115 C HTdi 100 C Discharge pipe protect...

Страница 137: ...nction code L8 is output When occurring 3 times within 30 min the malfunction code L9 is output INV upper limit frequency 1 step down from current compressor frequency INV upper limit frequency 1 step up from current compressor frequency Inverter current standby Inverter current 23 8A continues for 3 min Status quo Without conditions V3178 Not limited Limited Tfin 93 C Tfin 93 C Tfin 99 C Fin temp...

Страница 138: ... based on the freeze prevention status signal sent from the BP unit Indoor unit and the freeze prevention control prevents freezing of the indoor unit Recovery zone Lift the control Increase zone 1 step up 60sec Keep zone Frequency is not controlled Decrease zone 1 step down 60sec Stop zone Thermostat OFF only the target indoor unit The temperature in above figure depends on models Reference value...

Страница 139: ... based on the dew condensation prevention status signal sent from the BP unit Indoor unit and the dew condensation prevention control prevents dew condensation of the indoor unit Recovery zone Lift the control Increase zone 1 step up 60sec Keep zone Frequency is not controlled Decrease zone 1 step down 60sec SVG open at 52Hz The temperature in above figure depends on models and actual room tempera...

Страница 140: ...aptor is required Demand 1 setting Demand 2 setting Other protection control functions have precedence over the above operation 5 2 Heating Operation Prohibition Heating operation is prohibited above 30 CDB outdoor air temperature Setting Standard for upper limit of power consumption Demand 1 setting 1 Approx 60 Demand 1 setting 2 factory setting Approx 70 Demand 1 setting 3 Approx 80 Setting Stan...

Страница 141: ...ands excludes when Powerful function is in operation 2 Processing during Powerful operation mode 1 When Powerful command is received from indoor units one or more units 2 Thermostats are not OFF in room units from which Powerful commands are issued When the above conditions are met the Powerful operation mode is activated and the Powerful operation signal is sent to outdoor unit D Signal Capacity ...

Страница 142: ...A DA pls DA room temperature DOA outdoor air temperature During Heating Operation Target EV opening 350 pls 6 2 2 Electronic Expansion Valve Flow Rate Restriction This function prevents the deviation from the electronic expansion valve specification range by restricting the electronic expansion valve flow rates of the operating and non operating room units during compressor operation It also preve...

Страница 143: ...amber sets the electronic expansion valve pulse to 0 4 Stops transmission of electronic expansion valve initialization signal when EVH retightening is completed 6 2 4 Control Based on EV Opening Command from Outdoor Unit Purpose of the Function This function operates the electronic expansion valve based on EV opening command sent from the outdoor unit Outline The electronic expansion valve operati...

Страница 144: ...room unit When SH is lower than target value Closes the valve of that room unit When the liquid pipe temperature is lower than the heat exchanger temperature the electronic expansion valve is opened more than normal opening Protection function to prevent rotor dew condensation The gas pipe temperature and indoor heat exchanger temperature are detected at the time of every sampling time of 40 sec f...

Страница 145: ...This function ensures appropriate refrigerant distribution when room units are operating in the heating mode It prevents abnormal increase of the high pressure and operation with gas shortage due to uneven refrigerant distribution Protection function Outline The indoor unit heat exchanger thermistors of all connected indoor units to the same BP unit including non operating room units in heating op...

Страница 146: ...provide a wide range of airflow that guarantees a comfortable air distribution Auto Swing In case of FTK X S20 35D The following table explains the auto swing process for heating cooling dry and fan 3 D Airflow 50 71 Class Alternative repetition of vertical and horizontal swing motions enables uniform air conditioning of the entire room This function is effective for starting the air conditioner W...

Страница 147: ...operation fan rotates at H tap 50 90 rpm 2 Fan stops during defrost operation Automatic Air Flow Control for Heating On heating mode the indoor fan speed will be regulated according to the indoor heat exchanger temperature and the difference between the room temperature and the required set point Automatic Air Flow Control for Cooling The following drawing explains the principle of fan speed contr...

Страница 148: ...room temperature at startup and the temperature set by the microcomputer is divided into two zones Then the unit operates in the dry mode with an appropriate capacity for each zone to maintain the temperature and humidity at a comfortable level Room temperature at startup Set temperature X Thermostat OFF point Y Thermostat ON point Z 24ºC or more Room temperature at startup X 2 5ºC X 0 5ºC or Y 0 ...

Страница 149: ...ure 18 to 30 C 2 Main unit setting temperature equals remote controller setting temperature 3 Mode switching point are as follows Heating Cooling switching point Room temperature Main unit setting temperature 2 5 deg Cooling Heating switching point Room temperature Main unit setting temperature 2 5 deg Thermostat ON OFF point is the same as the ON OFF point of cooling or heating operation 4 During...

Страница 150: ...ature difference is above the zone C after being in the zone A The system resumes from defrost control in any zones except A The operation turns on in any zones except A The monitoring time has passed while the temperature difference is in the zone B Cooling Dry 10 minutes Heating 10 seconds Cooling Dry Heating B A OFF ON C Cooling 0 5 C Dry 0 5 C Room temperature setpoint Cooling 2 0 C Dry 2 5 2 ...

Страница 151: ...ating or cooling the room at the set temperature for the first one hour then automatically raises the temperature setting slightly in the case of cooling or lowers it slightly in the case of heating for economical operations This prevents excessive heating in winter and excessive cooling in summer to ensure comfortable sleeping conditions and also conserves electricity Cooling Operation In case of...

Страница 152: ...he latest command has the priority Details ECONO mode can be activated while the unit is running The remote controller can send the ECONO command when the unit is in COOL HEAT DRY or AUTO operation When the ECONO command is valid the upper limit of frequency is restricted 7 8 MOLD PROOF Operation FTK X S20 35D FTKD25 35D MOLD PROOF operation is a function which reduces the spread of mold by using ...

Страница 153: ...computer doesn t have a signal from the sensor in 20 minutes it judges that nobody is in the room and operates the unit in temperature shifted 2 C from the set temperature Cooling 2 C higher Dry 1 C higher and Auto according to the operation mode at that time 1In case of Fan mode the fan speed reduces by 50 rpm If the sensor detects the outputs 10 times sec or more it judges humans exist 1sec samp...

Страница 154: ... so as to prevent this phenomena After this 40 minutes the prohibition of the thermostat off is cancelled and it can realize the conditions to conduct thermostat off depending on the room temperature In or after this 40 minutes if the sensor detects human motion detection signal it let the set temperature and the fan speed return to the original set point keeping a normal operation Others The dry ...

Страница 155: ... the function becomes effective when the operation is started If this button is pressed in powerful operation the powerful operation is reset and this function becomes effective The HOME LEAVE button is ineffective in dry mode and fan mode 2 Details of Function A mark representing HOME LEAVE is indicated on the liquid crystal display of the remote controller The indoor unit is operated according t...

Страница 156: ...minutes In case of FTK X S20 35D Ex Powerful operation in cooling mode Operation mode Fan speed Target set temperature COOL H tap 50 rpm 18 C DRY Dry rotating speed 50 rpm Normally targeted temperature in dry operation Approx 2 C HEAT H tap 50 rpm 30 C FAN H tap 50 rpm AUTO Same as cooling heating in Powerful operation The target is kept unchanged R4560 Target temp Fan 50rpm Set temp 18 C Powerful...

Страница 157: ...mode refers to the following table In the case of multi system operation there are times when the unit does not activate with this button 7 12 4 Titanium Apatite Photocatalytic Air Purifying Filter For FTK X S20 35D FTKD50 71F This filter combines the Air Purifying Filter and Titanium Apatite Photocatalytic Deodorizing Filter in a single highly effective unit The filter traps microscopic particles...

Страница 158: ...erformed 7 12 8 Mold Proof Air Filter Prefilter For all indoor units The filter net is treated with mold resisting agent TBZ harmless colorless and odorless Due to this treatment the amount of mold growth is much smaller than that of normal filters 7 12 9 Self Diagnosis Digital Display The microcomputer continuously monitors main operating conditions of the indoor unit outdoor unit and the entire ...

Страница 159: ...less remote controller Remote Controller Sensor Emergency Operation Switch Remote Controller with Liquid Crystal ON OFF Air flow direction Fan speed etc Thermostat Control Monitoring Function Cool Heat Automatic Function Program Dry Fan Operation Drain Pump Control Freeze up Protection Function Heating Overload Control Defrosting Indoor Unit Fan Control Phase control Cold Air Prevention Function F...

Страница 160: ...ller Heat pump BRC7C612W Optional accessory Cooling only BRC7C613W Electronic control unit 2P095006 6 EC0226 Fan motor 3P012316 1 6P 45W Fan motor capacitor 3 5µF AC440V Float switch 3P079543 1 FS 0211B Drain pump 3P011376 1 PLD 12230DM 11 Capacity 60 71 Remarks Wired remote controller BRC1C61 Optional accessory Electronic control unit 2P095008 1 EC0228 Fan motor capacitor 5 0µF AC440V Float switc...

Страница 161: ... prevent freezing of the indoor unit heat exchanger The motorized valve is controlled to maintain the indoor unit heat exchanger temperature Te above 0 C The outdoor unit fan speed is reduced to prevent freeze up protection control from activating during cooling operation under low outside air temperature For details see the section on cooling operation under low outside air temperature ...

Страница 162: ... Fan cool dry auto heat Drain Pump Control After continuous 30 minutes of operation with downward horizontal blade position change the blade position to level and after one hour the unit operation can be reset The unit operation can be reset with changing operation mode into heating changing air flow direction or turning ON or OFF the unit operation S1117 Continuous 30 minutes operation of cooling...

Страница 163: ...abnormality could not be recovered during intermittent operation the latter 5 min ON operation is continued until recovery of the abnormality Water level abnormality shall be cancelled simultaneausly when the unit is turned off with remote controller after recovery of the water level abnormality When the unit is turned on with remote controller thereafter compressor starts operation 2 minutes late...

Страница 164: ...ty Normal Drain pump ON OFF 5min Intermittent operation 1 After compressor stops due to water level abnormality drain pump is operated intermittenly i e 5 min ON 5 sec OFF and 5 min ON 1 The intermittent operation is executed regardless of recovery of abn Water level during the intermittent operation 2 When the abn water level can not be recovered the latter 5 min ON operation is continued until r...

Страница 165: ...abnormality 5 3 sec min A 10 sec sec Compressor starts operation after 2 minutes from remote controller ON When 3 min standby of compressor is complete Alarm indication will be turned off with the remote controller OFF operation after recovery of drain water level abnormality Recovery of drain water level abnormality 5min 5min Intermittent operation 1 Drain pan Water level abnormality Normal Remot...

Страница 166: ...ed Conditions not to use 1 When the remote controller thermostat malfunctions 2 When the one remote controller group control is applied Excluding simultaneous ON OFF operation 3 When conditions relating set temperature with remote controller and suction air temperature are out of the operating zone of remote controller thermostat shown in below diagram Excluding when automatic operation mode is se...

Страница 167: ...nance and the power supply is to be shut off be sure to turn the remote controller s ON OFF switch OFF first Shutting the power supply switch off while the ON OFF switch is still ON is dangerous because the power failure automatic reset function will cause the indoor fan to start turning immediately or the outdoor unit fan to automatically start turning three minutes after the power supply is turn...

Страница 168: ...tion Setting LL Horizontal Set Position Stop Error In Swing Operation OFF Horizontal In Airflow Direction Setting OFF Horizontal Overload Thermostat OFF In Swing Operation LL Horizontal Swing In Airflow Direction Setting LL Horizontal Set Position Cooling Operation Thermostat ON in Program Dry Mode In Swing Operation L Swing Swing In Airflow Direction Setting L Setting Set Position Thermostat OFF ...

Страница 169: ... can be operated as follows Operational The unit for another room is switched into non operational condition Non operational Operation of the indoor unit for the own room during non operation Fan OFF Louver becomes horizontal position ON LED on the remote controller blinks Indication of under central control on the remote controller displayed Note During automatic operation at the time of changing...

Страница 170: ...me if casing temperature is below dew point dew gets condensed In order to prevent the dew condensation this control is used to operate the fan for a specified period of time thus discharging the moisture from the indoor unit Outline The fan rotates in LL mode even though the unit is turned off by the use of remote controller This control can be reset only by conducting the cooling or dry operatio...

Страница 171: ...Indoor Unit SkyAir Models Si18 525B 158 Function ...

Страница 172: ...ing Mode 172 4 Field Setting for SkyAir Indoor Unit 182 4 1 Explanation 182 4 2 Field Setting 183 4 3 Initial Setting Contents 184 4 4 Local Setting Mode Number 185 4 5 Detailed Explanation of Setting Modes 186 4 6 Centralized Group No Setting 190 4 7 Maintenance Mode Setting 191 5 Test Operation and Field Setting for RA Indoor Unit 192 5 1 Test Operation from the Remote Controller 192 5 2 Jumper ...

Страница 173: ...ter for other circuits than 200 230V circuit Are the setscrews of wiring not loose Is the electrical component box covered with an insulation cover completely Is pipe size proper The design pressure of this product is 4 0MPa Are pipe insulation materials installed securely Liquid and gas pipes need to be insulated Otherwise causes water leak Are respective stop valves on liquid and gas line secure...

Страница 174: ... the DIP switch DS2 settings on the BP unit s PCB in the following way With the system set up power on both the outdoor unit and BP unit The compressor is in a non startup condition Example thermostat control off alarm being issued heating with high outdoor air temperature compressor failure etc BP addresses redundancy Reprogram the addresses Normal Set the outdoor unit PCB in the monitor mode and...

Страница 175: ...f Indoor Unit Has Been Changed or Indoor BP or Outdoor Unit PC Board Has Been Changed or the System is transferred Be sure to push and hold the RESET button for 5 seconds If not the addition cannot be recognized In this case the unit cannot be run for up to 12 minutes to automatically set the address indoor outdoor address etc Status DS2 1 DS2 2 DS2 3 DS2 4 BP unit 1 OFF OFF ON OFF BP unit 2 OFF O...

Страница 176: ...s in the outdoor unit remain closed Open the stop valve on both the gas side and liquid side The operation mode on the remote controller was changed before the check run Set the operating mode on all indoor unit remote controllers to cooling The refrigerant is insufficient Check whether additional refrigerant charge has been finished correctly Calculate again the required quantity of refrigerant t...

Страница 177: ...onfirm that the indoor outdoor units can be operated normally When an abnormal noise due to liquid compression by the compressor can be heard stop the unit immediately and turn on the crankcase heater to heat up it sufficiently then start operation again Operate indoor unit one by one to check that the outdoor unit operates Confirm that the indoor unit discharges cold air or warm air Operate the a...

Страница 178: ...Mode setting switch 1 Microcomputer normal monitor 4 Local setting switch Connection terminal for transmission use DS1 DS2 HAP Q0404 1 Microcomputer normal monitor LED Green This monitor blinks while in normal operation and turns on or off when a malfunction occurs 2 Set mode display LED Orange LEDs display mode according to the setting 3 Mode setting switch Used to change mode 4 Local setting swi...

Страница 179: ...CB is different from the PCB on factory shipment above in a way of setting When you exchange to the spare parts PCB make sure that you change setting referring the following table DIP Switch Detail 1 2 3 4 1 2 3 4 DS1 DS2 ON OFF ON OFF DS No DS1 1 Item Contents Not used Do not change the factory setting The following setting is performed according to capability of the outdoor unit Cool Heat change...

Страница 180: ...T BS3 RETURN BS4 TEST BS5 RESET V2760 Setting mode 1 Monitor mode H1P Push the BS1 MODE button one time Blinking MODE MODE Off H1P Setting mode 2 MODE On H1P Push and hold the BS1 MODE button for 5 seconds Push the BS1 MODE button one time Normal V2761 Using the MODE button the modes can be changed as follows Check item selection Set Contents display Monitor mode Setting mode 1 Initial condition P...

Страница 181: ...m LED display example H1P H2P H3P H4P H5P H6P H7P Normal 7 7 8 7 7 7 7 Malfunction 7 8 8 7 7 7 7 Preparing Test run 7 9 8 7 7 7 7 8 ON 7 OFF 9 Blinking a Setting mode 1 Normally Setting mode 1 is set In case of other status push MODE button BS1 one time and set to Setting mode 1 The current state is displayed ...

Страница 182: ...etting If the capacity control is required the low noise control is automatically released by this setting during carrying out low noise operation and Night quiet operation 30 Demand setting 1 Changes target value of power consumption when demand control 1 is input 31 Demand setting 2 Changes target value of power consumption when demand control 2 is input 32 Normal demand setting Normally enables...

Страница 183: ... Normal 8777787 Slow defrost 8777778 21 Refrigerant recovery mode setting 8 7 8 7 8 7 8 Refrigerant recovery OFF 8777778 Refrigerant recovery ON 8777787 22 Night quiet mode setting 8 7 8 7 8 8 7 OFF 8777777 Level 1 8777778 Level 2 8777787 Level 3 8777788 26 Night quiet mode control start setting 8 7 8 8 7 8 7 About 20 00 8777778 About 22 00 8777787 About 24 00 8777877 27 Night quiet mode control e...

Страница 184: ...7 9 7 L 9 7 7 7 7 7 7 Tc setting H 9 7 7 7 7 7 8 M 9 7 7 7 7 7 9 L 9 7 7 7 7 7 7 c Monitor mode Selection of setting item Confirmation on setting contents To enter the monitor mode push the MODE button BS1 when in Setting mode 1 Push the SET button BS2 and set the LED display to a setting item Push the RETURN button BS3 to display different data of set items Push the RETURN button BS3 and switches...

Страница 185: ... separately for each outdoor unit system by indoor unit remote controller Set cool heat separately for each outdoor unit system by cool heat switching remote controller Set Cool Heat Separately for Each Outdoor System by Indoor Unit Remote Controller Set outdoor unit PCB DS1 1 to indoor factory set Set cool heat switching to individual for Setting mode 1 factory set ...

Страница 186: ...t Operation 173 Set Cool Heat Separately for Each Outdoor Unit System by Cool Heat Switching Remote Controller Set outdoor unit PCB DS1 1 to outdoor factory set Set cool heat switching to individual for Setting mode 1 factory set ...

Страница 187: ...ts higher the low noise instructions are neglected to switch to normal operation Set by Setting Mode 2 B When the low noise operation is carried out automatically at night The outdoor unit external control adaptor is not required 1 Set Night quiet mode setting on the outdoor unit PCB Set by Setting Mode 2 Lower noise operation can be carried out by Mode 2 than by Mode 1 and by Mode 3 than by Mode ...

Страница 188: ...Si18 525B Field Setting Test Operation 175 Image of operation in the case of A Image of operation in the case of B Image of operation in the case of A and B ...

Страница 189: ...the External low noise Demand YES Set by Setting Mode 2 Set the Demand 1 level setting on the outdoor unit PCB as the need arises During the demand level 1 instruction the power consumption can be saved to 80 70 or 60 of the rated value respectively B When the continuous demand operation is carried out Use of the outdoor unit external control adaptor is not required Set the Continuous demand setti...

Страница 190: ...is set to ON OFF has been set at factory the power consumption can be set with the Demand 1 level setting 70 of rated power consumption has been set at factory Power consumption Rated power consumption 80 of rated power consumption 70 of rated power consumption 60 of rated power consumption 40 of rated power consumption Forced thermostat OFF Fan operation V3083 The power consumption set with Deman...

Страница 191: ...ode 2 H1P on In setting 1 push and hold the BS1 MODE button for more than 5 seconds Setting mode 2 is entered and H1P lights Push the BS2 SET button several times and match the LED display with the Setting No you want Push the BS3 RETURN button one time and the present setting content is displayed Push the BS2 SET button several times and match the LED display with the setting content as shown bel...

Страница 192: ...setting PM 0 00 27 Night quiet mode end setting AM 6 00 AM 7 00 AM 8 00 Factory setting 29 Capacity precedence setting Low noise precedence Factory setting Capacity precedence 30 Demand setting 1 60 of rated power consumptio n 70 of rated power consumptio n Factory setting 80 of rated power consumptio n 31 Demand setting 2 30 of rated power consumptio n 40 of rated power consumptio n Factory setti...

Страница 193: ...ruction attached to the refrigerant recovery unit for more detal Press Mode button BS1 once and reset Setting Mode 2 3 2 4 Setting of Vacuuming Mode In order to perform vacuuming operation at site fully open the expansion valves of BP and outdoor units to turn on some solenoid valves Both the outdoor unit and the indoor unit are forbidden to operation Operating procedure With Setting Mode 2 while ...

Страница 194: ...T button for 5 seconds 10 sec to 10 minutes LED display H1P H7P 8 ON 9 BLINKING 3 OFF 3383333 3933338 Pressure equalizing Step 1 30 sec to 200 sec 10 minutes To 30 seconds 3933383 Cooling start control Step 2 3933388 3933888 3938333 3383333 Stability waiting operation Step 3 Pump down residual operation Step 7 5 minutes Standby for restarting Completion Step 8 Stop valve close check Wrong wiring c...

Страница 195: ... out from the remote controller At time of installation or after maintenance inspection repair carry out field set according to the explanation below Incorrect settings will cause a malfunction to occur The indoor unit settings are sometimes changed if optional accessories are mounted on the indoor unit Refer to the optional accessory manual ...

Страница 196: ...ing 4 2 1 Wired Remote Controller Note Field setting must be made from the remote controller in accordance with the installation conditions Setting can be made by changing the Mode number FIRST CODE NO and SECOND CODE NO Refer to the following procedures for Field setting Procedure ...

Страница 197: ...button and select the FIRST CODE NO 4 Push the button and select the SECOND CODE NO 5 Push the button and the present settings are SET 6 Push the button to return to the NORMAL MODE 4 3 Initial Setting Contents Setting Contents Indoor Models Filter Sign Filter Sign Estimation of Accumulated Operating Hours High Air Outlet Velocity for Application to Ceiling Higher than 2 7m Selection of Air Flow D...

Страница 198: ...rating when the power supply is turned on 5 Do not set any items other than those listed in the above table 6 Functions that indoor units are not equipped with will not be displayed 7 When returning to normal mode 88 may be displayed on the LCD section of the remote controller due to initialization operation Mode No Note 1 Setting Switch No Setting Description Setting Position No Note 2 01 02 03 1...

Страница 199: ...r flow direction setting according to the respective purpose 4 5 4 Fan Speed OFF When Thermostat is OFF When the cool heat thermostat is OFF you can stop the indoor unit fan by switching the setting to Fan OFF Used as a countermeasure against odor for barber shops and restaurants Setting Table Mode No First Code No Second Code No Setting 13 23 1 01 F 4 direction air flow 02 T 3 direction air flow ...

Страница 200: ... addresses for the receiver and wireless remote controller For group control see the attached installation manual for the indoor unit If using together with a wired remote controller you have to change the main sub setting or the receiver Receiver Setting Set the wireless address switch SS2 on the transmitter board according to the table below When using both a wired and a wireless remote controll...

Страница 201: ...to enter the setting 5 Hold down the button for at least 1 second to quit the FIELD SET MODE and return to the normal display Multiple Settings A b When the indoor is being operating by outside control central remote controller etc it sometimes does not respond to ON OFF and temperature setting commands from this remote controller Check what setting the customer wants and make the multiple setting...

Страница 202: ... panel air discharge outlet as well as on the back of the wireless remote controller PRECAUTIONS Set the Unit No of the receiver and the wireless remote controller to be equal If the settings differ the signal from the remote controller cannot be transmitted Wireless remote controller Unit No label Decoration panel 1 ...

Страница 203: ...to 00 3 Push the inspection test button to inspect the group No display 4 Using the programming time button set the group No for each group Group No rises in the order of 1 00 1 01 1 15 2 00 4 15 etc The unified ON OFF controller however displays only the range of group numbers selected by the switch for setting each address 5 Push the timer ON OFF button and enter the selected group No 6 Push the...

Страница 204: ...normal operation mode Tap the inspection test operation button one time Table Operation is not reset by malfunction code reset for inspection Cannot be reset because the count is updated each time a malfunction occurs Mode No Function Content and Operation Method Example of Remote Controller Display 40 Malfunction Hysteresis You can change the history with the programming time up down button 41 Se...

Страница 205: ... for 3 minutes after it is turned off Trial Operation and Testing 1 Measure the supply voltage and make sure that it falls in the specified range 2 Trial operation should be carried out in either cooling or heating mode 3 Carry out the test operation in accordance with the Operation Manual to ensure that all functions and parts such as louver movement are working properly The air conditioner requi...

Страница 206: ...n the control PCB Wireless remote controller 1 Slide the front cover and take it off 2 Cut the address jumper J4 5 2 2 Jumper Setting R4417 ADDRESS JA ADDRESS JA EXIST 1 CUT 2 ADDRESS J4 EXIST CUT 1 2 J4 R4418 Jumper On indoor PCB Function When connected factory set When cut JC Power failure recovery function Auto start Unit does not resume operation after recovering from a power failure Timer ON ...

Страница 207: ...Test Operation and Field Setting for RA Indoor Unit Si18 525B 194 Test Operation ...

Страница 208: ...nfiguration 196 1 1 Operation Instructions 196 2 Instruction 197 2 1 Outdoor Units 197 2 2 Wall Mounted Duct Floor Ceiling Floor Standing Wall Built in Type 198 2 3 Ceiling Mounted Cassette Type 278 2 4 Ceiling Mounted Built in Type 289 2 5 Ceiling Suspended Type 299 ...

Страница 209: ...to know a clever method of using it In order to meet this expectation of the users giving sufficient explanations taking enough time can be said to reduce about 80 of the requests for servicing However good the installation work is and however good the functions are the customer may blame either the room air conditioner or its installation work because of improper handling The installation work an...

Страница 210: ...he unit will be set to the standby mode for protection OPERATING NOISE At startup During startup in order to emit warm or cool air as quickly as possible the sound of refrigerant flowing will be heard for a short time 1 to 2 minutes from the outdoor unit At shutdown In order to ensure smooth startup the next time this unit is operated the outdoor unit will continue to oper ate for around 2 to 5 mi...

Страница 211: ...53 Care Care and Cleaning 255 258 261 264 Trouble Shooting Troubleshooting 275 275 275 275 Drawing No 3P194550 4 3P194550 5 3P194539 2 3P142638 1L C 3P098595 11P C 3P098586 1J 3P192025 2 3P077961 12K 3P077963 2G Model Series Duct Connected Type Floor Ceiling Suspended Dual Type Floor Standing Type FDKS25 35C CDK X S25 60C CDKD25 60C CDKD25 35E FLXS25 60B FVXS35 50B Read before Operation Safety Pre...

Страница 212: ...gerant check the content of the repairs with our service staff Do not attempt to install the air conditioner by your self Incorrect work will result in water leakage electric shocks or fire For installation consult the dealer or a qualified technician In order to avoid electric shock fire or injury if you detect any abnormally such as smell of fire stop the operation and turn off the breaker And c...

Страница 213: ...s and other debris accumulate around the unit Leaves are a hotbed for small animals which can enter the unit Once in the unit such animals can cause malfunc tions smoke or fire when making contact with electrical parts Do not operate the air conditioner with wet hands Do not wash the indoor unit with excessive water only use a slightly wet cloth Do not place things such as vessels containing water...

Страница 214: ...Si18 525B Instruction Operation Manual 201 2 2 3 Names of Parts FTK X S 20 25 35 D FTKD 25 35 D Names of parts Indoor Unit ON OFF 16 14 13 15 12 1 3 4 5 7 9 10 11 8 6 2 ...

Страница 215: ...o start operation Push once again to stop it The operation mode refers to the following table This switch is useful when the remote controller is missing 13 Operation lamp green 14 TIMER lamp yellow 15 INTELLIGENT EYE lamp green 16 Signal receiver It receives signals from the remote controller When the unit receives a signal you will hear a short beep Operation start beep beep Settings changed bee...

Страница 216: ... again to stop it 7 MODE selector button It selects the operation mode AUTO DRY COOL HEAT FAN 9 FAN setting button It selects the air flow rate setting 10 SWING button 11 MOLD PROOF button MOLD PROOF operation 12 SENSOR button INTELLIGENT EYE operation 13 ON TIMER button 14 OFF TIMER button 15 TIMER Setting button It changes the time setting 16 TIMER CANCEL button It cancels the timer setting 17 C...

Страница 217: ...Instruction Si18 525B 204 Operation Manual FTK X S 50 60 71 B Names of parts Indoor Unit Main unit control panel 7 14 11 12 13 4 3 15 1 2 9 10 8 6 5 The illustration shows a 50 class unit 17 16 ...

Страница 218: ... switch once to start operation Push once again to stop it The operation mode refer to the following table This switch is useful when the remote controller is missing 15 Packaging materials 50 class only If any packaging materials are included please remove before operating 16 Room temperature sensor It senses the air temperature around the unit 17 Signal receiver It receives signals from the remo...

Страница 219: ...on once to start operation Press once again to stop it 7 MODE selector button It selects the operation mode AUTO DRY COOL HEAT FAN 8 QUIET button for OUTDOOR UNIT QUIET operation 9 FAN setting button It selects the air flow rate setting 10 SENSOR button for INTELLIGENT EYE operation 11 SWING button Flap Horizontal blade 12 SWING button Louver Vertical blades 13 ON TIMER button 14 OFF TIMER button ...

Страница 220: ...Si18 525B Instruction Operation Manual 207 FTK X D 50 60 71 F Names of parts Indoor Unit 1 2 4 3 10 11 9 7 8 15 12 13 14 16 6 5 ...

Страница 221: ...lamp red Lights up when you use HOME LEAVE Operation 15 Indoor Unit ON OFF switch Push this switch once to start operation Push once again to stop it The operation mode refer to the following table This switch is useful when the remote controller is missing 16 Signal receiver It receives signals from the remote controller When the unit receives a signal you will hear a short beep Operation start b...

Страница 222: ...tart operation Press once again to stop it 7 MODE selector button It selects the operation mode AUTO DRY COOL HEAT FAN 8 QUIET button OUTDOOR UNIT QUIET operation 9 FAN setting button It selects the air flow rate setting 10 SENSOR button INTELLIGENT EYE operation 11 SWING button Flap Horizontal blade 12 SWING button Louver Vertical blades 13 ON TIMER button 14 OFF TIMER button 15 TIMER Setting but...

Страница 223: ...ts Indoor Unit Opening the front grille How to open the front grille CAUTION Before opening the front grille be sure to stop the operation and turn the breaker OFF If the power is on the fan may rotate inside and may cause injury 1 3 4 5 7 6 9 10 12 8 14 13 11 2 15 16 14 ...

Страница 224: ...witch once to start operation Push once again to stop it This switch is useful when the remote controller is missing 15 Room temperature sensor It senses the air temperature around the unit 16 Signal receiver It receives signals from the remote controller When the unit receives a signal you will hear a short beep Operation start beep beep Settings changed beep Operation stop beeeeep The operation ...

Страница 225: ... 6 ON OFF button Press this button once to start operation Press once again to stop it 7 MODE selector button It selects the operation mode DRY COOL FAN 8 SILENT button for OUTDOOR UNIT SILENT operation 9 FAN setting button It selects the air flow rate setting 10 SWING button Flap Horizontal blade 11 SWING button Louvre Vertical blades 12 ON TIMER button 13 OFF TIMER button 14 TIMER Setting button...

Страница 226: ...Si18 525B Instruction Operation Manual 213 FDKS 25 35 C CDK X S 25 35 50 60 C CDKD 25 35 50 60 C CDKD 25 35 E Names of parts Indoor Unit 3 6 8 9 10 7 1 4 5 2 ...

Страница 227: ... unit 7 Operation lamp green 8 9 HOME LEAVE lamp red LIghts up when you use HOME LEAVE operation 10 Indoor Unit ON OFF switch Push this switch once to start operation Push once again to stop it This switch is useful when the remote controller is missing The operation mode refers to the following table Outdoor Unit 11 Air inlet Back and side 12 Refrigerant piping and inter unit cable 13 Drain hose ...

Страница 228: ... changes the temperature setting 6 ON OFF button Press this button once to start operation Press once again to stop it 7 MODE selector button It selects the operation mode AUTO DRY COOL HEAT FAN 8 QUIET button OUTDOOR UNIT QUIET operation 9 FAN setting button It selects the air flow rate setting 10 ON TIMER button 11 OFF TIMER button 12 TIMER Setting button It changes the time setting 13 TIMER CAN...

Страница 229: ...escriptions contained in this man ual show the case when installation is being carried out to the ceiling The methods of operation used are the same when installing to a wall Opening the front grille How to open the front grille CAUTION Before opening the front grille be sure to stop the operation and turn the breaker OFF O N OFF 1 2 3 4 5 6 11 12 10 7 9 8 13 14 ...

Страница 230: ...witch once to start operation Push once again to stop it The operation mode refers to the following table Push the switch using an object with a sharp tip such as a pen This switch is useful when the remote controller is missing 14 Signal receiver It receives signals from the remote controller When the unit receives a signal you will hear a short beep Operation start beep beep Settings changed bee...

Страница 231: ...ng 6 ON OFF button Press this button once to start operation Press once again to stop it 7 MODE selector button It selects the operation mode AUTO DRY COOL HEAT FAN 8 QUIET button 9 FAN setting button It selects the air flow rate setting 10 SWING button 11 ON TIMER button 12 OFF TIMER button 13 TIMER Setting button It changes the time setting 14 TIMER CANCEL button It cancels the timer setting 16 ...

Страница 232: ...rn the breaker OFF Do not touch the metal parts on the inside of the indoor unit as it may result in injury ON OFF 1 2 4 5 2 6 7 8 3 10 14 15 12 13 Air outlet selection switch This setting blows air from upper outlet only This setting automatically decides a blow pattern depending on mode and conditions The unit is shipped from the factory with this setting This setting is recommended Air outlet s...

Страница 233: ...stop it The operation mode refers to the following table This switch is useful when the remote controller is missing 13 Signal receiver Signals are received from the remote controller When the unit receives a signal you will hear a short beep Operation start beep beep Settings changed beep Operation stop beeeeep 14 Air outlet selection switch 15 Room temperature sensor It senses the air temperatur...

Страница 234: ...es the temperature setting 6 ON OFF button Press this button once to start operation Press once again to stop it 7 MODE selector button It selects the operation mode AUTO DRY COOL HEAT FAN 8 QUIET button for OUTDOOR UNIT QUIET operation 9 FAN setting button It selects the air flow rate setting 10 SWING button 11 ON TIMER button 12 TIMER Setting button It changes the time setting 13 OFF TIMER butto...

Страница 235: ...replace the two old batteries together When the system is not used for a long time take the batteries out We recommend replacing once a year although if the remote controller display begins to fade or if reception deteriorates please replace with new alkali batteries Using manganese batteries reduces the lifespan The attached batteries are provided for the initial use of the system The usable peri...

Страница 236: ... unit 2 Fix the holder to a wall a pillar or similar location with the screws procured locally 3 Place the remote controller in the remote controller holder ATTENTION About remote controller Never expose the remote controller to direct sunlight Dust on the signal transmitter or receiver will reduce the sensitivity Wipe off dust with soft cloth Signal communication may be disabled if an electronic ...

Страница 237: ... conditioner for a long period for example in spring or autumn turn the breaker OFF Use the air conditioner in the following conditions Operation outside this humidity or temperature range may cause a safety device to disable the system TIMER ON CANCEL OFF 1 3 2 Recommended temperature setting For cooling 26 C 28 C For heating 20 C 24 C Mode Operating conditions If operation is continued out of th...

Страница 238: ...t a operation mode Each pressing of the button advances the mode setting in sequence AUTO DRY COOL HEAT FAN 2 Press ON OFF button The OPERATION lamp lights up To stop operation 3 Press ON OFF button again Then OPERATION lamp goes off To change the temperature setting 4 Press TEMPERATURE adjustment button DRY or FAN mode AUTO or COOL or HEAT mode The temperature setting is not variable Press to rai...

Страница 239: ...ts warmer In heating operation frost may occur on the outdoor unit and lower the heating capacity In that case the system switches into defrosting operation to take away the frost During defrosting operation hot air does not flow out of indoor unit Note on COOL operation This air conditioner cools the room by blowing the hot air in the room outside so if the outside temperature is high performance...

Страница 240: ...w direction to increase your com fort To adjust the horizontal blades flaps 1 Press SWING button is displayed on the LCD and the flaps will begin to swing 2 When the flaps have reached the desired position press SWING button once more The flaps will stop moving disappears from the LCD TEMP ON OFF POWERFUL MODE FAN SWING SENSOR ECONO MOLDPROOF TIMER ON CANCEL OFF QUIET 1 2 ...

Страница 241: ...on flaps and louvres angles When SWING button is selected the flaps swinging range depends on the operation mode See the figure If the unit is operated after being stopped with the flaps pointed down in cooling or dry opera tion the flaps will automatically move to a hor izontal position after about one hour to prevent condensation from forming on them ATTENTION Always use a remote controller to a...

Страница 242: ...n is displayed on the LCD 2 When the flap has reached the desired position press SWING button once more The flap will stop moving To adjust the vertical blades louvers 3 Press SWING button is displayed on the LCD 4 When the louvers have reached the desired position press the SWING button once more The louvers will stop moving C TEMP ON OFF POWERFUL HOME LEAVE MODE TIMER FAN SWING ON CANCEL OFF O N...

Страница 243: ... When SWING button is selected the flaps swinging range depends on the operation mode See the figure Three Dimensional 3 D Airflow Using three dimensional airflow circulates cold air which tends to collected at the bottom of the room and hot air which tends to collect near the ceiling throughout the room preventing areas of cold and hot developing ATTENTION Always use a remote controller to adjust...

Страница 244: ...yed on the LCD and the flaps will begin to swing 2 When the flap has reached the desired position press SWING button once more The flap will stop moving disappears from the LCD To adjust the vertical blades louvers 3 Press SWING button is displayed on the LCD 4 When the louvers have reached the desired position press the SWING button once more The louvers will stop moving disappears from the LCD T...

Страница 245: ...ing range depends on the operation mode See the figure Three Dimensional 3 D Airflow Using three dimensional airflow circulates cold air which tends to collected at the bottom of the room and hot air which tends to collect near the ceiling throughout the room preventing areas of cold and hot developing ATTENTION Always use a remote controller to adjust the flaps angle If you attempt to move it for...

Страница 246: ...r com fort To adjust the horizontal blade flap 1 Press SWING button The display will light up and the flap will begin to swing 2 When the flap have reached the desired position press SWING button once more The display will go blank The flap will stop moving C TEMP ON OFF POWERFUL HOME LEAVE MODE TIMER FAN SILENT SWING ON CANCEL OFF O N 1 2 3 4 ...

Страница 247: ...ON Always use a remote controller to adjust the louvres angles In side the air outlet a fan is rotating at a high speed When SWING is selected the flap swinging range depends on the operation mode See the figure The diffuser is kept open in DRY or COOL mode NOTE Unless SWING is selected you should set the flap at a nearhorizontal angle in COOL or DRY mode to obtain the best performance ATTENTION A...

Страница 248: ...air flow direction to increase your com fort To adjust the horizontal blade flap 1 Press SWING button is displayed on the LCD 2 When the flaps have reached the desired position press SWING button once more The flaps will stop moving C TEMP ON OFF POWERFUL HOME LEAVE MODE FAN SWING O N 1 2 QUIET TIMER ON CANCEL OFF ...

Страница 249: ...ected you should set the flap at a near horizontal angle in COOL or DRY mode to obtain the best performance In COOL or DRY mode if the flap is fixed at a downward position the flap automatically moves in about 60 minutes to prevent condensation on it ATTENTION Always use a remote controller to adjust the flap angle If you attempt to move it forcibly with hand when it is swinging the mechanism may ...

Страница 250: ... louvers Hold the knob and move the louver You will find a knob on the left side and the right side blades Notes on flap and louvers angle Unless SWING is selected you should set the flap at a near horizontal angle in HEAT mode and at a upward position in COOL or DRY mode to obtain the best performance ATTENTION When adjusting the flap by hand turn off the unit and use the remote controller to res...

Страница 251: ...UTION Operating mode Situation Blowing pattern COOL mode When the room has become fully cool or when one hour has passed since turning on the air conditioner So that air does not come into direct contact with people air is blown upper air outlet room temperature is equlised At start of operation or other times when the room is not fully cooled Air is blown from the upper and lower air outlets for ...

Страница 252: ...OTE Notes on POWERFUL operation POWERFUL Operation cannot be used together with QUIET Operation Priority is given to the function of whichever button is pressed last POWERFUL Operation can only be set when the unit is running Pressing the operation stop button causes the settings to be canceled and the disappears from the LCD In COOL and HEAT mode To maximize the cooling heating effect the capacit...

Страница 253: ...n OUTDOOR UNIT QUIET operation If using a multi system this function will work only when the OUTDOOR UNIT QUIET operation is set on all operated indoor units However if using priority room setting see Note for multi system This function is available in COOL HEAT and AUTO modes This is not available in FAN and DRY mode POWERFUL operation and OUTDOOR UNIT QUIET operation cannot be used at the same t...

Страница 254: ...tion stop button causes the settings to be canceled and the disappears from the LCD ECONO operation is a function which enables efficient operation by limiting the power consumption of the outdoor unit operating frequency ECONO operation functions in AUTO COOL DRY and HEAT modes POWERFUL operation and ECONO operation cannot be used at the same time Priority is given to the function of whichever bu...

Страница 255: ... seconds is displayed on the LCD To cancel MOLD PROOF operation 2 Press and hold the MOLD PROOF button for two seconds one more time disappears from the LCD NOTE MOLD PROOF operation will operate for approximately one hour after dry or cooling mode is turned off This function is not designed to remove existing dust or mold MOLD PROOF operation is not available when the unit is turned off using the...

Страница 256: ...w rate for HOME LEAVE operation When using HOME LEAVE operation for the first time please set the temperature and air flow rate for HOME LEAVE operation Record your preferred temperature and air flow rate 1 Press HOME LEAVE button Make sure is displayed in the remote controller display 2 Adjust the set temperature with or as you like 3 Adjust the air flow rate with FAN setting button as you like H...

Страница 257: ...ill be welcomed by a comfortably air conditioned room Push the HOME LEAVE Operation button again and the air conditioner will adjust capacity to the set temperature for normal operation Set the unit to HOME LEAVE Operation before leaving the living room when going to bed The unit will maintain the temperature in the room at a comfortable level while you sleep When you enter the living room in the ...

Страница 258: ...INTELLIGENT EYE operation 1 Press SENSOR button is displayed on the LCD To cancel the INTELLIGENT EYE operation 2 Press SENSOR button again disappears from the LCD EX TEMP ON OFF POWERFUL MODE FAN SWING SENSOR ECONO MOLDPROOF TIMER ON CANCEL OFF QUIET 1 2 When somebody in the room Normal operation When nobody in the room 20 min after start energy saving operation Somebody back in the room Back to ...

Страница 259: ...ivity changes according to indoor unit location the speed of pass ersby temperature range etc The sensor also mistakenly detects pets sunlight fluttering curtains and light reflected off of mirrors as passersby INTELLIGENT EYE operatipon will not go on during powerful operation Night set mode will not go on during you use INTELLIGENT EYE operation Do not place large objects near the sensor Also ke...

Страница 260: ...rt INTELLIGENT EYE operation 1 Press SENSOR button To cancel the INTELLIGENT EYE operation 2 Press SENSOR button again EX When somebody in the room Normal operation When nobody in the room 20 min after start energy saving operation Somebody back in the room Back to normal operation C TEMP ON OFF POWERFUL HOME LEAVE MODE TIMER FAN SWING ON CANCEL OFF SWING 1 2 SENSOR ...

Страница 261: ...it location the speed of passersby temperature range etc The sensor also mistakenly detects pets sunlight fluttering curtains and light reflected off of mirrors as passersby INTELLIGENT EYE operation will not go on during powerful operation Night set mode will not go on during you use INTELLIGENT EYE operation Do not place large objects near the sensor Also keep heating units or humidifiers outsid...

Страница 262: ... To start INTELLIGENT EYE operation 1 Press SENSOR button is displayed on the LCD To cancel the INTELLIGENT EYE operation 2 Press SENSOR button again disappears from the LCD EX TIMER ON CANCEL OFF 1 2 When somebody in the room Normal operation When nobody in the room 20 min after start energy saving operation Somebody back in the room Back to normal operation ...

Страница 263: ...it location the speed of passersby temperature range etc The sensor also mistakenly detects pets sunlight fluttering curtains and light reflected off of mirrors as passersby INTELLIGENT EYE operation will not go on during powerful operation Night set mode will not go on during you use INTELLIGENT EYE operation Do not place large objects near the sensor Also keep heating units or humidifiers outsid...

Страница 264: ... Holding down either button changes the setting rapidly 3 Press OFF TIMER button again The TIMER lamp lights up To cancel the OFF TIMER Operation 4 Press CANCEL button The TIMER lamp goes off NOTE When TIMER is set the present time is not displayed Once you set ON OFF TIMER the time setting is kept in the memory The memory is canceled when remote controller batteries are replaced When operating th...

Страница 265: ...n either button changes the setting rapidly 3 Press ON TIMER button again The TIMER lamp lights up To cancel ON TIMER operation 4 Press CANCEL button The TIMER lamp goes off To combine ON TIMER and OFF TIMER A sample setting for combining the two timers is shown below ATTENTION In the following cases set the timer again After a breaker has turned OFF After a power failure After replacing batteries...

Страница 266: ...ires initial programming during installation Please consult your retailer or dealer for assistance NIGHT QUIET Mode reduces the operation noise of the outdoor unit during the night time hours to prevent annoyance to neighbors The NIGHT QUIET Mode is activated when the temperature drops 5 C or more below the highest temperature recorded that day Therefore when the temperature difference is less tha...

Страница 267: ...R UNIT QUIET operation Example Room A is the Priority Room in the examples Just by setting the unit in Room A to QUIET operation the air conditioner starts OUTDOOR UNIT QUIET operation You don t have to set all the operated indoor units to QUIET operation When the simultaneous operational capacity is exceeded If the simultaneous operational capacity is exceeded for outdoor unit capacity the indoor...

Страница 268: ... after washing 4 Attach the front panel Set the 2 keys of the front panel into the slots and push them in all the way Close the front panel slowly and push the panel at the 3 points 1 on each side and 1 in the middle CAUTION Units Don t touch the metal parts of the indoor unit If you touch those parts this may cause an injury When removing or attaching the front panel use a robust and stable stool...

Страница 269: ...eutral detergent thinned with lukewarm water then dry them up in the shade It is recommended to clean the air filters every two weeks Titanium Apatite Photocatalytic Air Purifying Filter The Titanium Apatite Photocatalytic Air Purifying Filter can be renewed by washing it with water once every 6 months We recommend replacing it once every 3 years Maintenance 1 Remove dust with a vacuum cleaner and...

Страница 270: ...1 cannot deodorize the air 2 cannot clean the air 3 results in poor heating or cooling 4 may cause odour To order Titanium Apatite Photocatalytic Air Purifying Filter contact to the service shop there you bought the air conditioner Dispose of old filters as burnable waste Check that the base stand and other fittings of the outdoor unit are not decayed or corroded Check that nothing blocks the air ...

Страница 271: ...de after washing 4 Attach the front grille Align the rotation dowels on the left and right of the front panel with the slots then push them all the way in Close the front panel slowly Press the panel at both sides and the center CAUTION Units When the packaging materials are attached to the front panel please remove them Don t touch the metal parts of the indoor unit If you touch those parts this ...

Страница 272: ...ly wash them with neutral detergent thinned with lukewarm water then dry them up in the shade It is recommended to clean the air filters every two weeks Air purifying filter with photocatalytic deodorizing function gray The air purifying filter with photocatalytic deodorizing function can be renewed by washing it with water once every 6 months We recommend replacing it once every 3 years Maintenan...

Страница 273: ...the outlets of the indoor unit and the outdoor unit Check that the drain comes smoothly out of the drain hose during COOL or DRY operation If no drain water is seen water may be leaking from the indoor unit Stop operation and consult the service shop if this is the case Operation with dirty filters 1 cannot deodorize the air 2 cannot clean the air 3 results in poor heating or cooling 4 may cause o...

Страница 274: ...r dry it with cloth dry it up in the shade after washing 4 Attach the front panel Align the rotation dowels on the left and right of the front panel with the slots then push them all the way in Close the front panel slowly Press the panel at both sides and the center CAUTION Units Don t touch the metal parts of the indoor unit If you touch those parts this may cause an injury When removing or atta...

Страница 275: ...st does not come off easily wash them with neutral detergent thinned with lukewarm water then dry them up in the shade It is recommended to clean the air filters every two weeks Titanium Apatite Photocatalytic Air purifying Filter The Titanium Apatite Photocatalytic Air Purifying Filter can be renewed by washing it with water once every 6 months We recommend replacing it once every 3 years Mainten...

Страница 276: ...nnot deodorize the air 2 cannot clean the air 3 results in poor heating or cooling 4 may cause odour To order Titanium Apatite Photocatalytic Air Purifying Filter contact to the service shop there you bought the air conditioner Dispose of old filters as non flammable waste Check that the base stand and other fittings of the outdoor unit are not decayed or corroded Check that nothing blocks the air...

Страница 277: ... the 4 keys of the front grille into the slots and push them in all the way Close the front grille slowly and push the grille at the 4 points 1 on each side and 2 in the middle Check to see if the rotating axis in the upper center section is moving CAUTION Units Don t touch the metal parts of the indoor unit If you touch those parts this may cause an injury When removing or attaching the front gri...

Страница 278: ...ral detergent thinned with lukewarm water then dry them up in the shade It is recommended to clean the air filters every two weeks Air Purifying Filter green Replace approximately once every 3 months 1 Detach the filter element and attach a new one Insert with the green side up It is recommended to replace the air purifying filter every three months Photocatalytic Deodorizing Filter gray Maintenan...

Страница 279: ...be leaking from the indoor unit Stop operation and consult the ser vice shop if this is the case Operation with dirty filters 1 cannot deodorize the air 2 cannot clean the air 3 results in poor heating or cooling 4 may cause odour The air purifying filter and Photocatalytic deodorizing filter cannot be reused even if washed In principle there is no need to replace the photocatalytic deodorizing fi...

Страница 280: ... ON OFF button and start operation 2 After operation stops turn off the breaker for the room air conditioner 3 Clean the air filters and set them again 4 Take out batteries from the remote controller When a multi outdoor unit is connected make sure the heating operation is not used at the other room before you use the fan operation NOTE Check that the base stand and other fittings of the outdoor u...

Страница 281: ...s from the remote controller When a multi outdoor unit is connected make sure the heating operation is not used at the other room before you use the fan operation Do not operate the air conditioner without filters this to avoid dust accumulation inside the unit Do not remove the air filter except when cleaning Unnecessary handling may damage the filter Do not use gasoline benzene thinner polishing...

Страница 282: ...icated by Operation without air filters may result in troubles as dust will accumulate inside the indoor unit CAUTION Units Don t touch the metal parts of the indoor unit If you touch those parts this may cause an injury When opening and closing the front grille use a robust and stable stool and watch your steps carefully When opening and closing the front grille support the grille securely with h...

Страница 283: ...warm water then dry them up in the shade It is recommended to clean the air filters every two weeks Air Purifying Filter green Replace approximately once every 3 months 1 Detach the filter element and attach a new one Insert with the green side up It is recommended to replace the air purifying filter every three months Photocatalytic Deodorizing Filter gray Maintenance 1 Dry the photocatalytic deo...

Страница 284: ...om the indoor unit Stop operation and consult the ser vice shop if this is the case Operation with dirty filters 1 cannot deodorize the air 2 cannot clean the air 3 results in poor heating or cooling 4 may cause odour The air purifying filter and Photocatalytic deodorizing filter cannot be reused even if washed In principle there is no need to replace the photocatalytic deodorizing filter Remove t...

Страница 285: ...rooves of the unit 3 places Attach the chain to the right inner side of the front grille Close the grille slowly CAUTION Units Hold the front grille firmly so that it does not fall Do not touch the metal parts on the inside of the indoor unit as it may result in injury When removing or attaching the front grille use a robust and stable stool and watch your steps carefully When removing or attachin...

Страница 286: ...nned with lukewarm water then dry them up in the shade It is recommended to clean the air filters every two weeks Air Purifying Filter green Replace approximately once every 3 months 1 Detach the filter element and attach a new one Insert with the green side up It is recommended to replace the air purifying filter every three months Photocatalytic Deodorizing Filter gray Maintenance 1 Dry the phot...

Страница 287: ...e Operation with dusty air filters lowers the cooling heating capacity and wastes energy Air is also prevented from flowing smoothly through the unit creating a noise Operation with dirty filters 1 cannot deodorize the air 2 cannot clean the air 3 results in poor heating or cooling 4 may cause odour The air purifying filter and Photocatalytic deodorizing filter cannot be reused even if washed In p...

Страница 288: ...or steam when the air conditioner is in defrost operation In COOL or DRY mode Moisture in the air condenses into water on the cool surface of outdoor unit piping and drips Mists come out of the indoor unit This happens when the air in the room is cooled into mist by the cold air flow during cooling operation The indoor unit gives out odour This happens when smells of the room furniture or cigarett...

Страница 289: ...ock the air inlet or the outlet of the indoor and the outdoor units Clean the air filters or take all obstacles away and turn the breaker OFF Then turn it ON again and try operating the air conditioner with the remote controller If the lamp still flashes call the service shop where you bought the air conditioner Are operation modes all the same for indoor units connected to outdoor units in the mu...

Страница 290: ...mance It is recommended to have periodical maintenance by a specialist aside from regular cleaning by the user For specialist maintenance contact the service shop where you bought the air conditioner The maintenance cost must be born by the user Call the service shop immediately After a power failure The air conditioner automatically resumes operation in about 3 minutes You should just wait for a ...

Страница 291: ...ual 2 3 Ceiling Mounted Cassette Type Note The instruction is for FFQ25 35 50 60B as representative 1 1 3 4 2 TEST C hr hr TEST NOT AVAILABLE L H 2 10 11 3 1 4 5 6 7 8 14 15 16 17 18 19 20 21 22 12 9 13 a b c d e e f g h i k e f l d j C hr H ...

Страница 292: ...o 16 indoor units All indoor units are equally set Two remote controllers control system Two remote controllers control one indoor unit In case of group control system one group of indoor units The unit is individually operated NOTE Contact your Daikin dealer in case of changing the combination or setting of group control and two remote controllers control system Names and functions of parts 1 WHA...

Страница 293: ...igerant dose not exceed the limiting concentration even when it leaks If the refrigerant leaks exceeding the level of limiting concentration an oxygen defi ciency accident may happen For installation of separately sold component parts ask a specialist Be sure to use the separately sold component parts designated by our company Incomplete installation performed by yourself may result in a failure a...

Страница 294: ... c Where sulfured gas exists such as a hot spring resort d Where there are considerable voltage fluctuations such as a factory or plant e Vehicles and vessels f Where there is much spray of oil and vapor such as a cookery etc g Where there are machines generating electromagnetic waves h Filled with acid and or alkaline steam or vapor Is a snow protection measure taken For details consult your deal...

Страница 295: ...p 8 DISPLAY SET TEMPERATURE This display shows the set temperature 9 DISPLAY FAN SPEED This display shows the set fan speed 10 DISPLAY AIR FLOW FLAP Refer to AIR FLOW DIRECTION ADJUST Refer to figure 1 on page 1 11 DISPLAY TIME TO CLEAN AIR FIL TER Refer to HOW TO CLEAN THE AIR FILTER 12 DISPLAY DEFROST Refer to DEFROST OPERATION 13 NON FUNCTIONING DISPLAY If that particular function is not availa...

Страница 296: ...he heating capacity of the air conditioner declines as the outside air temperature falls In such a case use the air conditioner in combi nation with other heating systems A warm air circulating system is employed and therefore it takes some time until the entire room is warmed up after the start of operation An indoor fan runs to discharge a gentle wind automatically until the temperature inside t...

Страница 297: ... timer setting procedure ends The display or changes from flash ing light to a constant light NOTE When setting the timer Off and On at the same time repeat the above procedure from 1 to 3 once again When the timer is programmed to stop the system after 3 hours and start the system after 4 hours the system will stop after 3 hours and then 1 hour later the system will start After the timer is progr...

Страница 298: ...fold or staging Caution must be exercised because of work at a high place HOW TO CLEAN THE AIR FILTER Clean the air filter when the display shows TIME TO CLEAN AIR FILTER It will display that it will operate for a set amount of time Increase the frequency of cleaning if the unit is installed in a room where the air is extremely con taminated If the dirt becomes impossible to clean change the air f...

Страница 299: ...tem No 2 7 Shut the suction grille Refer to item No 1 START UP AFTER A LONG STOP Confirm the following Check that the air inlet and outlet are not blocked Remove any obstacle Check if the earth is connected Might there be a broken wire somewhere Contact your dealer if there are any problems Clean the air filter and outside panels After cleaning the air filter make sure to attach it Turn on the mai...

Страница 300: ...eration that corresponds to your system If the total capacity of operating indoor units exceeds the limit the indoor unit will assume the STANDBY state FAN and AIR FLOW DIREC TION will be left as set This only applies to cooling only type If another indoor unit commences a HEATING operation after this indoor unit is running in COOLING mode this indoor unit may switch to DRY operation fan on low ai...

Страница 301: ...ve mentioned case and none of the above mentioned malfunctions is evident investigate the system according to the following procedures 1 If the system does not operate at all Check if there is a power failure Wait until power is restored If power failure occurs during operation the system automati cally restarts immediately after the power supply recovers Check if the fuse has blown or breaker has...

Страница 302: ...Si18 525B Instruction Operation Manual 289 2 4 Ceiling Mounted Built in Type 1 1 3 4 2 2 9 3 1 4 5 6 7 12 13 14 15 16 17 18 19 10 8 11 TEST C hr hr TEST NOT AVAILABLE L H a h g b c f e d C hr H ...

Страница 303: ...ion or setting of group control and two remote controllers control system Refer to figure 2 on page 1 We recommend that you read this instruction man ual carefully before use to gain full advantage of the function of the air conditioner and to avoid malfunc tion due to mishandling This air conditioner comes under the term appli ances not accessible to the general public The precautions described b...

Страница 304: ...other pur poses Do not use the air conditioner for a special appli cation such as the storage of foods animals and plants precision machines and art objects as otherwise the deterioration of quality may result Donotremovetheairoutletoftheoutdoorunit The fan may get exposed and result in injury Do not place items that might be damaged by water under the indoor unit Water may condensate and drip if ...

Страница 305: ...C OUTDOOR INDOOR COOLING 5 to 46 DB 21 to 32 DB 14 to 23 WB HEATING 14 to 21 DB 15 to 15 5 WB 14 to 28 DB 4 INSTALLATION SITE Regarding wiring All wiring must be performed by an authorized electrician To do wiring ask your dealer Never do it by yourself Make sure that a separate power supply cir cuit is provided for this air conditioner and that all electrical work is carried out by quali fied per...

Страница 306: ...rating procedure varies with heat pump type and cooling only type Contact your Daikin dealer to confirm your system type To protect the unit turn on the main power switch 6 hours before operation If the main power supply is turned off during oper ation operation will restart automatically after the power turns back on again 11 NON FUNCTIONING DISPLAY If that particular function is not available pr...

Страница 307: ...A warm air circulating system is employed and therefore it takes some time until the entire room is warmed up after the start of operation COOLING HEATING AUTOMATIC FAN AND PROGRAM DRY OPERATION 1 2 An indoor fan runs to discharge a gentle wind automatically until the temperature inside the air conditioner reaches a certain level At this time the remote controller displays Leave it as it stands an...

Страница 308: ...emain open room air will flow out and cause to decrease the effect of cooling and heating Do not place other heaters directly below the indoor unit They may deform due to the heat Never place objects near the air inlet and the air outlet of the unit It may cause deterioration in the effect or stop in the operation Turn off the main power supply switch when it is not used for long periods of time W...

Страница 309: ... the air filter Align the two hangers and push the air filter up Confirm that four hangers are fixed Refer to Fig 4 5 Close the suction grille Refer to item No 1 6 After turning on the power press FILTER SIGN RESET button The display TIME TO CLEAN AIR FIL TER vanishes HOW TO CLEAN AIR OUTLET SUCTION GRILLE AND OUTSIDE PANELS Clean with soft cloth When it is difficult to remove stains use water or ...

Страница 310: ...ED CONTROL and it flashes for few seconds after pressing an operation button This is because the system is under centralized con trol Flashes on the display indicates that the system cannot be controlled by the remote controller The system does not start immediately after the power supply is turned on Wait one minute until the micro computer is pre pared for operation II WHITE MIST COMES OUT OF A ...

Страница 311: ...he system does not operate at all Check if there is a power failure Wait until power is restored If power failure occurs during operation the system automati cally restarts immediately after the power sup ply recovers Check if the fuse has blown or breaker has worked Change the fuse or set the breaker 2 If the system stops operating after operating the system Check if the air inlet or outlet of ou...

Страница 312: ... 525B Instruction Operation Manual 299 2 5 Ceiling Suspended Type 1 1 3 4 2 C hr H 5 12 4 2 1 3 9 11 10 21 14 16 15 17 18 22 8 6 7 20 19 g e e f a k i h b d f e c j d d k C hr hr TEST TEST NOT AVAILABLE L H ...

Страница 313: ... unit is individually operated NOTE Contact your Daikin dealer in case of changing the combination or setting of group control and two remote controllers control system Refer to figure 2 on page 1 We recommend that you read this instruction man ual carefully before use to gain full advantage of the function of the air conditioner and to avoid malfunc tion due to erroneous handling This air conditi...

Страница 314: ...ur dealer to move and reinstall the air conditioner Incomplete installation may result in a failure a water leakage electric shock and fire Do not use any fuse with improper capacity The use of a piece of wire and whatnot may result in a failure and fire The refrigerant in the air conditioner is safe and normally does not leak If the refrigerant leaks inside the room the contact with a fire of a b...

Страница 315: ...4 to 23 3MKS50 4MKS58 75 90 3MXS52 2MXS52 4MXS68 80 DB 21 to 32 80 or below DB 10 to 46 WB 14 to 23 RMKS112 140 160 RMXS112 140 160 DB 21 to 32 80 or below DB 5 to 46 WB 14 to 23 HEATING DB Dry bulb temperature C WB Wet bulb temperature C The setting temperature range of the remote con troller is 16 C to 32 C Regarding places for installation Is the air conditioner installed at a well venti lated ...

Страница 316: ...RAL IZED CONTROL When this display shows the system is UNDER CENTRALIZED CONTROL 4 DISPLAY VENTILATION AIR CLEANING This display shows that the total heat exchange and the air cleaning unit are in operation These are optional accessories 5 DISPLAY OPERATION MODE This display shows the current OPERATION MODE For cooling only type Auto and Heating are not installed 6 DISPLAY TEST INSPECTION TEST OPE...

Страница 317: ...are shown on the display in Figure 1 contrary to actual running situations 6 OPERATION PROCEDURE COOLING HEATING AUTOMATIC FAN AND PROGRAM DRY OPERATION 1 Refer to figure 3 on page 1 For cooling only type COOLING FAN and DRY operation are able to select ON OFF Press ON OFF BUTTON OPERATION lamp lights up or goes off and the sys tem starts or stops OPERATION EXPLANATION OF HEATING OPERATION DEFROST...

Страница 318: ...RECTION ADJUST button to select the air direction as follow ing The AIR FLOW FLAP display swings as shown the left and the air flow direction continu ously varies Automatic swing setting Press AIR FLOW DIRECTION ADJUST button to select the air direction of your choice The AIR FLOW FLAP display stops swinging and the air flow direction is fixed Fixed air flow direction setting MOVEMENT OF THE AIR F...

Страница 319: ...t After the timer is programmed the display shows the remaining time PROGRAM TIMER OPERATION 1 2 3 1 3 Press the TIMER ON OFF BUTTON once again to cancel programming The display vanishes Observe the following precautions to ensure the system operates Adjust the room temperature properly for a com fortable environment Avoid excessive heating or cooling Prevent direct sunlight from entering a room d...

Страница 320: ... con taminated If the dirt becomes impossible to clean change the air filter Air filter for exchange is optional 1 Open the suction grille Slide both knobs simultaneously as shown and then pull them downward Do the same procedure for closing Refer to Fig 2 2 Remove the air filters Push the 2 tabs up and slowly lower the grille Refer to Fig 3 3 Clean the air filter Use vacuum cleaner A or wash the ...

Страница 321: ...ire somewhere Contact your dealer if there are any problems Clean the air filter and outside panels After cleaning the air filter make sure to attach it Turn on the main power supply switch The display on the remote controller will be shown when the power is turned on To protect the unit turn on the main power switch at least 6 hours before operation WHAT TO DO WHEN STOPPING THE SYS TEM FOR A LONG...

Страница 322: ...ing the unit may go into dry mode fan operates whisper and the air flow flaps become horizontal III THE FAN SPEED IS DIFFERENT FROM THE SETTING Pressing the fan speed control button does not change the fan speed When the room temperature reaches the set tem perature in heating mode the power supply from the outdoor unit stops and the indoor unit goes into whisper mode in a multi system the fan goe...

Страница 323: ...em according to the following procedures 1 If the system does not operate at all Check if there is a power failure Wait until power is restored If power failure occurs during operation the system automati cally restarts immediately after the power sup ply recovers Check if the fuse has blown or breaker has worked Change the fuse or set the breaker 2 If the system stops operating after operating th...

Страница 324: ...35 4 5 Shutter Drive Motor Shutter Limit Switch Abnormality 336 4 6 Check 337 5 Troubleshooting for SkyAir Indoor Unit 340 5 1 Indoor Unit PCB Abnormality 340 5 2 Malfunction of Drain Water Level System Float Type 341 5 3 Malfunction of Drain System 343 5 4 Indoor Unit Fan Motor Lock 344 5 5 Malfunction of Indoor Unit Fan Motor 345 5 6 Swing Flap Motor Malfunction Lock 347 5 7 Malfunction of Capac...

Страница 325: ...ction of Low Pressure Sensor 379 7 15 Malfunction of Inverter Radiating Fin Temperature Rise 380 7 16 Inverter Compressor Abnormal 381 7 17 Inverter Current Abnormal 382 7 18 Inverter Start up Error 383 7 19 Malfunction of Transmission between Inverter and Control PCB 384 7 20 Malfunction of Inverter Radiating Fin Temperature Rise Sensor 386 7 21 Faulty Combination of Inverter and Fan Driver 387 7...

Страница 326: ...gnostic procedure described in the following pages Location of Operation Lamp In case of In case of FTK X S 20 25 35 D Series FTK 50 60 71 A Series FTKD 25 35 D Series In case of FTK X S 50 60 71 B D Series In case of FTXS 50 60 71 F Series In case of FDKS 25 35 C Series CDK X S 25 35 50 60 C D Series CDKD 25 35 50 60 C Series CDKD 25 35 E Series In case of FVXS 35 50 B Series R4298 ON OFF OPERATI...

Страница 327: ...NSPECTION mode when the ON OFF button is pushed and held for 5 seconds or more the aforementioned malfunctioning history display is off In this case after the malfunction code blinks 2 times the code display turns to 00 Normal and the unit No turns to 0 The INSPECTION mode automatically switches to the normal mode set temperature display 3 Operation halts due to malfunction depending on the model ...

Страница 328: ...pment condition and the OFF condition of the orange LED indicates normal equipment condition Troubleshooting with the green LED The LED A green of the outdoor unit indicate microcomputer operation condition Even after the error is cancelled and the equipment operates in normal condition the LED indication remains LED7 H7P LED6 H6P LED5 H5P LED4 H4P LED3 H3P LED2 H2P LED1 H1P LED A HAP Q0384 ...

Страница 329: ...Caution for Diagnosis Si18 525B 316 Troubleshooting 1 4 Troubleshooting with the LED on the BP Unit LEDA H1P LED1 H2P LED2 H3P LED3 H4P LED4 H5P Q0395 ...

Страница 330: ...3A46 47 Note 1 A short beep and two consecutive beeps indicate non corresponding codes 2 To cancel the code display hold the timer cancel button down for 5 seconds The code display also cancels itself if the button is not pressed for 1 minute No Code No Code No Code 1 00 12 C7 23 H0 2 U4 13 H8 24 E1 3 F3 14 J3 25 P4 4 E6 15 A3 26 L3 5 L5 16 A1 27 L4 6 A6 17 C4 28 H6 7 E5 18 C5 29 H7 8 F6 19 H9 30 ...

Страница 331: ... 2 Press the TEMP button Press TEMP or TEMP and change the digit until you hear the sound of beep or pi pi 3 Diagnose by the sound pi The number of tens does not accord with the error code pi pi The number of tens accords with the error code beep The both numbers of tens and units accord with the error code See 7 4 Enter the diagnosis mode again Press the MODE button The digit of the number of uni...

Страница 332: ... button Error Code List in Relation to RA Indoor Units Not used for troubleshooting R4277 R4278 Indication on the remote controller Description of the Fault Details of fault Refer to the indicated page 00 Indoor unit in normal condition Conduct a diagnosis of the outdoor unit A1 Indoor unit PCB abnormality 329 A5 Freeze up protection control or high pressure control heat pump model only 330 A6 Fan...

Страница 333: ...utton once Press Inspection Test Operation button once Or after 30 minutes After 10 seconds Press Inspection Test Operation button once Press Inspection Test Operation button once Indoor unit settings can be made Filter sign time Air flow direction Others Following codes can be checked Malfunction codes Indoor model code Outdoor model code Service data can be obtained Malfunciton code history Temp...

Страница 334: ...nction the remote controller s operation LED blinks and malfunction code is displayed Even if stop operation is carried out malfunction contents are displayed when the inspection mode is entered The malfunction code enables you to tell what kind of malfunction caused operation to stop See page 325 for malfunction code and malfunction contents ...

Страница 335: ... Continue the operation in step 4 until a buzzer remains ON The continuous buzzer indicates that the malfunction code is confirmed Continuous beep No abnormality 3 Press the MODE selector button The left 0 upper digit indication of the malfunction code flashes 4 Malfunction code upper digit diagnosis Press the UP or DOWN button and change the malfunction code upper digit until the malfunction code...

Страница 336: ...Si18 525B Service Check Function Troubleshooting 323 ...

Страница 337: ...its connected to this system 356 Indoor Unit LED Display H1P Remote Controller Display Location of Malfunction Contents of Malfunction Details of Malfunction Reference Page Other than PC Board PC Board Outdoor Unit Indoor Unit Remote Controller 5 Normal to outdoor unit 5 A1 Failure of indoor unit PC board For self diagnosis by LED refer to p 314 340 4 3 5 A3 Malfunction of drain water level system...

Страница 338: ...combination of inverter and fan driver Gas shortage alarm Insufficient inverter voltage Inverter open phase phase T Charging error of capacitor in inverter main circuit Over voltage Over current Over voltage Hard detection I O transmission error Indoor unit system malfunction in other system or other unit of own system Conflict of refrigerant type in indoor units Incorrect wiring Auto address erro...

Страница 339: ... 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 9 9 7 7 7 7 9 9 9 7 7 9 9 7 7 9 7 7 7 7 9 9 9 9 7 9 9 9 7 7 7 7 9 9 7 7 9 9 9 7 7 7 9 9 7 7 7 9...

Страница 340: ...utdoor Unit E1 PC board defect E2 PROM defect 366 E2 Faulty BP unit PCB 360 E3 Actuation of high pressure switch 367 E4 Actuation of low pressure switch 368 E5 Compressor motor lock 369 E6 Standard compressor lock or over current E7 Malfunction of outdoor unit fan motor 370 E9 Malfunction of moving part of electronic expansion valve Y1E 2E 371 F3 Abnormal discharge pipe temperature 372 F6 Refriger...

Страница 341: ... and BP units 362 U5 Malfunction of transmission between remote controller and indoor unit 354 U5 Failure of remote controller PC board or setting during control by remote controller U7 Malfunction of transmission between outdoor units U8 Malfunction of transmission between master and slave remote controllers malfunction of slave remote controller 355 U9 Malfunction of transmission between indoor ...

Страница 342: ...aulty connector connection Troubleshooting Note Connector Nos vary depending on models Control connector Connector connection check note YES Is it normal NO Correct connections Replace PCBs R1400 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Model Type Connector No Wall Mounted Type 20 25 35 class Terminal strip Control PCB Wall Mou...

Страница 343: ... operation according to the temperature detected by the indoor unit heat exchanger thermistor Malfunction Decision Conditions High pressure control During heating operations the temperature detected by the indoor heat exchanger thermistor is above 65 C Freeze up protection When the indoor unit heat exchanger temperature is below 0 C during cooling operation Supposed Causes Operation halt due to cl...

Страница 344: ... dust accumulation on the indoor unit heat exchanger YES YES Is there any short circuit Is it very dirty Is it very dirty Does it conform to the thermistor characteristic chart NO Provide sufficient air passage Clean the air filter Clean the heat exchanger Replace the indoor unit PCB Replace the thermistor replace the indoor unit PCB Caution Be sure to turn off power switch before connect or disco...

Страница 345: ...on halt due to faulty capacitor of the fan motor Detection error due to faulty control PCB Troubleshooting Check No 16 Refer to P 339 Rotate the fan by hand Check No 16 Check Hall IC Operate the fan Does it rotate NO Does it rotate smoothly Is there an output Is it at the rated voltage Is there conductivity NO Check the capacitor s conductivity Check the fan motor voltage immediately after re star...

Страница 346: ...r operation Malfunction Decision Conditions When the detected rotation speed does not reach the demanded rotation speed of the target tap and is less than 50 of the maximum fan motor rotation speed Supposed Causes Operation halt due to short circuit inside the fan motor winding Operation halt due to breaking of wire inside the fan motor Operation halt due to breaking of the fan motor lead wires Op...

Страница 347: ...Check output of fan motor connector Is motor power voltage DC 200V generated Is motor control power voltage DC 15V generated Turn off power supply and disconnect fan motor connector then turn power ON again Does it rotate Stop fan motor Is rotation number command pulse generated Is rotation number command pulse generated Check No 01 Check output of fan motor connector Check No 01 Check output of f...

Страница 348: ...less than 120 ohms or below about 50 C more than 1 860 kohms Note The values vary slightly in some models Supposed Causes Faulty connector connection Faulty thermistor Faulty PCB Troubleshooting Check No 06 Refer to P 338 C4 Heat exchanger temperature thermistor C9 Room temperature thermistor Check the connector connection YES Correct the connection Replace the thermistor Replace the indoor unit P...

Страница 349: ... by broken relay harness or disconnected connector Detection error due to defective PCB 2 Foreign substance in blow port Troubleshooting Check No 03 Refer to P 337 Turn off the power Check No 03 Check the limit switch continuity Remove such substance Replace the limit switch Reconnect the connector or replace the relay harness Replace the shutter drive motor or the PCB 2 Check the shutter s sealin...

Страница 350: ...an assembly Check the continuity of the switch connection The shutter can be opened and closed with hand Keep the shutter open and closed all the way for each continuity check steps 7 6 5 4 3 2 1 Motor power supply voltage Unused Unused P 0V reference potential Motor control voltage 15 VDC Rotation command voltage 1 5 VDC Rotation pulse input S1 or S301 8 7 6 5 4 3 2 1 Motor power supply voltage U...

Страница 351: ... the thermistors on the PCB and measure the resistance of each thermistor using tester The relationship between normal temperature and resistance is shown in the graph and the table below Thermistor R25 C 20kΩ B 3950 Temperature C 20 211 0 kΩ 15 150 10 116 5 5 88 0 67 2 5 51 9 10 40 15 31 8 20 25 25 20 30 16 35 13 40 10 6 45 8 7 50 7 2 ...

Страница 352: ...nce near the zero cross sections circled in Fig 2 4 6 5 Hall IC Check Check No 16 1 Check the connector connection 2 With the power ON operation OFF and the connector connected check the following Output voltage of about 5 V between pins 1 and 3 Generation of 3 pulses between pins 2 and 3 when the fan motor is operating Failure of 1 faulty PCB Replace the PCB Failure of 2 faulty Hall IC Replace th...

Страница 353: ...nditions When data could not be correctly received from the E PROM E PROM Type of nonvolatile memory Maintains memory contents even when the power supply is turned off Supposed Causes Failure of PCB Troubleshooting Turn the power supply off once and then back on Normal reset YES NO Could be outside cause noise etc other than malfunction Indoor unit PCB replacement Q0411 Caution Be sure to turn off...

Страница 354: ... Models FFQ FCQ FBQ FHQ Method of Malfunction Detection By float switch OFF detection Malfunction Decision Conditions When rise of water level is not a condition and the float switch goes OFF Supposed Causes Failure of drain pump Improper drain piping work Drain piping clogging Failure of float switch Failure of indoor unit PCB Failure of short circuit connector ...

Страница 355: ... raising mechanism connected YES YES YES Does display of malfunction A3 appear YES YES 220 240 VAC YES NO Continuity check of short circuit connector Set to emergency and check the voltage of X25A If A3 is detected by a PC board which is not mounted with X15A the PC board is defective Short circuit connector connection Short circuit connector replacement Indoor unit PCB replacement Connect drain p...

Страница 356: ...at switch Check to see if drain up height and horizontal pipe length exceed specifications Clogged drain water discharge system Clogged drain pump Faulty float switch Replace indoor unit PCB Check jumper connector X15A Check drain pump and drain pipe Check water drainage system Check to see if drain up height and horizontal pipe length exceed specifications Faulty trap in water drainage system Rep...

Страница 357: ...even when output voltage to the fan is maximum Supposed Causes Failure of indoor unit fan motor Broken or disconnected wire Failure of contact Failure of indoor unit PCB Troubleshooting With X26A unplugged and the power supply turned on is there about 12 VDC between pins 1 and 3 of X26A YES YES Connect correctly Indoor unit PCB replacement Check indoor unit fan motor and motor wiring Are X20A and ...

Страница 358: ... from the fan motor Malfunction Decision Conditions When fan speed does not increase Supposed Causes Disconnection short circuit or disengagement of connector in fan motor harness Faulty fan motor disconnection poor insulation Abnormal signal from fan motor faulty circuit Faulty PCB Instantaneous fluctuation of power supply voltage Fan motor lock Caused by motor or other external factors Fan does ...

Страница 359: ...connector YES Replace the indoor unit PCB Turn off the power supply Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Q0414 Is the harness from the fan motor correctly connected to X20A connector on A1P Is there any foreign matter around the fan Does the resistance between U V W phases of fan motor balance each other Is there short circ...

Страница 360: ...ction Detection Utilizes ON OFF of the limit switch when the motor turns Malfunction Decision Conditions When ON OFF of the microswitch for positioning cannot be reversed even though the swing flap motor is energized for a specified amount of time about 30 seconds Supposed Causes Failure of motor Failure of microswitch Failure of connector connection Failure of indoor unit PCB ...

Страница 361: ...connected Does the swing flap motor swing Are the connectors correctly connected to X29A and X14A on the PC board NO YES YES NO YES Does continuity no continuity reverse YES 220 240 VAC NO NO YES NO Turn the power supply off once and back on and measure the output voltage of connector X29A when the power supply is turned back on Turn the power supply off once and back on and check whether the swin...

Страница 362: ...pacity setting adaptor that matches the capacity of the unit is required in the following case If the indoor PCB installed at the factory is for some reason changed at the installation site the capacity will not be contained in the replacement PCB If you connect a capacity setting adaptor to a PCB in which the capacity is memorized the capacity setting for the PCB will become the capacity setting ...

Страница 363: ...ure of the sensor itself Broken or disconnected wire Failure of electronic circuitry indoor unit PCB Failure of connector contact Troubleshooting Check No 02 Refer to P 358 Disconnect the heat exchanger sensor R2T from X18A on the indoor unit PCB and measure the resistance Connect correctly Heat exchanger sensor replacement If contact is OK replace indoor unit PCB Is the thermistor normal See note...

Страница 364: ...ure of the sensor itself Broken or disconnected wire Failure of electronic circuitry indoor unit PCB Failure of connector contact Troubleshooting Check No 02 Refer to P 358 Disconnect the heat exchange sensor R3T from X17A on the indoor unit PC board and measure the resistance Connect correctly Heat exchanger sensor replacement If contact is OK replace indoor unit PCB Is the thermistor normal See ...

Страница 365: ...Causes Failure of the sensor itself Broken or disconnected wire Failure of indoor unit PCB Failure of connector contact Troubleshooting Check No 02 Refer to P 358 Disconnect the sunction air temperature sensor R1T from X19A on the indoor unit PCB and measure the resistance Connect correctly Suction air temperature sensor replacement If contact is OK replace outdoor unit PCB Is the thermistor norma...

Страница 366: ...istor Malfunction Decision Conditions When the remote controller thermistor becomes disconnected or shorted while the unit is running Supposed Causes Failure of sensor itself Broken wire Troubleshooting Check No 02 Refer to P 358 Turn the power supply off once and then back on Replace remote controller Could be outside cause noise etc other than malfunction Is CJ displayed on the remote controller...

Страница 367: ... off the power supply temporarily then restart operation Indoor unit PCB replacement Malfunction could be produced by noise Check the surrounding area and restart operation Change to double core independent cable Failure of remote controller PCB or replacement of defective indoor unit PCB Malfunction could be produced by noise Check the surrounding area and restart operation All indoor unit PCB mi...

Страница 368: ...ween Main remote controller and Sub remote controller Connection among Sub remote controllers Faulty remote controller PCB Troubleshooting Turn the SS 1switch of one remote controller to Main Turn OFF the power supply and restart operation Turn OFF the power once and restart operation Replace remote controller PCB if any error is generated Turn the SS 1switch of one remote controller to Main Turn ...

Страница 369: ...ng Check again Connect correctly Normal Set correctly Check the power supply system inside the indoor unit Replace the indoor unit PCB Is the field setting for pair twin system correct Does the system conduct normal operation YES YES YES YES NO YES Turn the power supply off once and back on to restart Are wirings between indoor and BP unit correctly connected NO NO Is 220 240 VAC between No 1 and ...

Страница 370: ...wer Supply Line 1 Turn the power supply off With the relay connector disconnected measure the resistance between UVW phases of the connector 3 cores at the motor side then make sure that the resistance between each phase is balanced and not short circuited Red White Black U V W Measure the resistance between each phase S2675 ...

Страница 371: ...2 0 59 8 57 8 4 0 54 1 52 3 6 0 48 9 47 3 8 0 44 3 42 9 10 0 40 2 38 9 12 0 36 5 35 3 14 0 33 2 32 1 16 0 30 2 29 2 18 0 27 5 26 6 20 0 25 1 24 3 22 0 23 0 22 2 24 0 21 0 20 3 26 0 19 2 18 5 28 0 17 6 17 0 30 0 16 2 15 6 32 0 14 8 4 2 34 0 13 6 13 1 36 0 12 5 12 0 38 0 11 5 11 1 40 0 10 6 10 3 42 0 9 8 9 5 44 0 9 1 8 8 46 0 8 4 8 2 48 0 7 8 7 6 50 0 7 2 7 0 52 0 6 9 6 7 54 0 6 2 6 0 56 0 5 7 5 5 5...

Страница 372: ...ion valve Incorrect connectors connection of electronic expansion valve Troubleshooting Turn the power supply off once and then back on Keep using as it is Could be outside error other than malfunction Correct the connection Electronic expansion valve coil faulty Replace BP unit PCB of the applicable part Is malfunction re generated Is the resistance of the electronic expansion valve coil normal 4...

Страница 373: ... from the E PROM E PROM Type of nonvolatile memory Maintains memory contents even when the power supply is turned off Supposed Causes Defect of BP unit PCB Troubleshooting Turn off the power once and turn on again Return to normal YES Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred External factor other than malfunction for example no...

Страница 374: ...uid or gas pipe temperature sensor Troubleshooting Temp Resistance 10 C 117kΩ 0 C 67kΩ 10 C 40kΩ 20 C 25kΩ 30 C 16kΩ 40 C 10kΩ 50 C 7kΩ 60 C 5kΩ 70 C 3kΩ Replace thermistor or thermistor assembly If insufficient contact is not detected replace the corresponding PCB YES Is the resistance normal referring to the table below NO Q0392 Disconnect the thermistor connectors from the corresponding BP PCB ...

Страница 375: ...Malfunction Decision Conditions When the data sent from the BP unit cannot be received normally or when the content of the data is abnormal Supposed Causes Faulty BP unit PCB Faulty indoor unit PCB Indoor unit BP unit signal transmission error due to wiring error Indoor unit BP unit signal transmission error due to disturbed power supply waveform Indoor unit BP unit signal transmission error due t...

Страница 376: ...ltage of the indoor unit outdoor unit connection wires between No 1 and No 2 and between No 2 and No 3 YES YES NO Is there any disturbance NO Push and hold the RESET button on the outdoor unit PCB for 5 seconds NO Does the malfunction occur again YES Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Is HAP blinking NO NO ON or OFF Is HA...

Страница 377: ...er supply wave Troubleshooting Check No 14 Refer to P 365 Turn the power supply off YES Check the transmission wire and the connection orders Replace outdoor unit control PCB Is it normal NO Check the transmission wire between outdoor unit BP unit Is HAP on the outdoor unit PCB blinking NO Turn the power supply back on YES NO Could be outside causes other than errors Probe where the noise comes fr...

Страница 378: ... Check Check No 14 Measure the power supply waveform between pins 1 and 3 on the terminal board and check the waveform disturbance Check to see if the power supply waveform is a sine wave Fig 1 Check to see if there is waveform disturbance near the zero cross sections circled in Fig 2 Fig 1 Fig 2 ...

Страница 379: ... could not be correctly received from the E PROM E PROM Type of nonvolatile memory Maintains memory contents even when the power supply is turned off Supposed Causes Defect of outdoor unit PCB A1P Troubleshooting Turn off the power once and turn on again Return to normal YES Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred External fac...

Страница 380: ...unit PCB Instantaneous power failure Faulty high pressure sensor Troubleshooting 1 Actuation of high pressure switch HPS Is the outdoor unit heat exchanger dirty Defect of outdoor fan Is the refrigerant over charged Faulty high pressure sensor Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Operation is normal when turned on again by ...

Страница 381: ...1 Voltage measurement point 2 Refer to pressure sensor pressure voltage characteristics table on P400 Q0423 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Is the malfunction due to abnormal drop of low pressure Measure the voltage VL of X45A pin No 2 3 of outdoor PCB A1P 1 Is the relationship between low voltage and VL normal 2 Out o...

Страница 382: ...d Supposed Causes Compressor lock High differential pressure 0 5MPa or more Incorrect UVWN wiring Faulty inverter PCB Stop valve is left in closed Troubleshooting Check the installation conditions Is the stop valve open NO Is the UVWN wiring normal NO NO NO NO Is high differential pressure starting 0 5MPa or more YES YES YES Check and see whether compressor is short circuited or ground YES YES Are...

Страница 383: ...onnector between fan motor and PCB is left in disconnected or faulty connector Fan does not run due to foreign matters tangled Clearing condition Operate for 5 minutes normal Troubleshooting Connector of fan motor is disconnected YES NO NO YES Can the fan be turned smoothly with hand after disconnect the connector of fan motor Is there any obstacle around the fan YES NO Caution Be sure to turn off...

Страница 384: ...ve from the PCB and check the continuity between the connector pins Normal condition Continuity Approx 300Ω Continuity Approx 150Ω No continuity Q0426 YES Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Return to normal Turn power supply off and turn power supply on again Electronic expansion valve is connected to X26A and X28A of out...

Страница 385: ...e pipe temperature rises suddenly Supposed Causes Faulty discharge pipe temperature Faulty connection of discharge pipe thermistor Faulty outdoor unit PCB Troubleshooting Refer to thermistor resistance temperature characteristics table on P398 Q0427 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Discharge pipe temperature is 115 C or...

Страница 386: ...fect of thermistor R1T for outdoor air Defect of outdoor unit PCB A1P Troubleshooting The alarm indicator is displayed when the fan only is being used also Refer to thermistor resistance temperature characteristics table on P398 Q0428 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Resistance is normal when measured after disconnectin...

Страница 387: ...rature thermistor is detected Supposed Causes Defect of thermistor R3T for outdoor unit discharge pipe Defect of outdoor unit PCB A1P Troubleshooting Refer to thermistor resistance temperature characteristics table on P398 Q0429 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Resistance is normal when measured after disconnecting the ...

Страница 388: ...mperature thermistor is detected Supposed Causes Defect of thermistor R2T for outdoor unit suction pipe Defect of outdoor unit PCB A1P Troubleshooting Refer to thermistor resistance temperature characteristics table on P398 Q0430 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Resistance is normal when measured after disconnecting the...

Страница 389: ...hange thermistor is detected Supposed Causes Defect of thermistor R4T for outdoor unit heat exchanger Defect of outdoor unit PCB A1P Troubleshooting Refer to thermistor resistance temperature characteristics table on P398 Q0431 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Resistance is normal when measured after disconnecting the t...

Страница 390: ...hermistor is short circuited or open Supposed Causes Faulty receiver gas pipe thermistor R5T Faulty outdoor unit PCB Troubleshooting Refer to thermistor resistance temperature characteristics table on P398 Q0445 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Is the resistance measured after removing the thermistor R5T from outdoor un...

Страница 391: ...of low pressure sensor with wrong connection Defect of outdoor unit PCB Troubleshooting 1 Voltage measurement point 2 Refer to pressure sensor pressure voltage characteristics table on P400 Q0432 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred The relationship between the 1 VH and high pressure is normal see 2 when voltage is measured...

Страница 392: ... sensor with wrong connection Defect of outdoor unit PCB Troubleshooting 1 Voltage measurement point 2 Refer to pressure sensor pressure voltage characteristics table on P400 Q0434 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred The relationship between the 1 VL and low pressure is normal see 2 when voltage is measured between X45A pi...

Страница 393: ...s above 99 C Defect of inverter PCB Defect of fin thermistor Troubleshooting Refer to thermistor resistance temperature characteristics table on P398 Q0436 Resistance check of the radiator fin thermistor Measure the resistance of the radiator fin thermistor Defect of power unit radiation Intake port is clogged Radiator fin is dirty Outdoor temperature is high NO Replace the thermistor YES Abnormal...

Страница 394: ...ual is displayed when the inverter output voltage is checked by tester V2812 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Compressor inspection Inverter output voltage check Inverter output voltage is not balanced Normal if within 5V Must be measured when frequency is stable Replace the compressor Compressor inspection Inspect acco...

Страница 395: ...Output current check Inverter output voltage check Inverter output voltage is not balanced Normal if within 5V Must be measured when frequency is stable Compressor overload Inspection of the compressor and refrigerant system is required Compressor inspection Inspect according to the diagnosis procedure for odd noises vibration and operating status of the compressor NO Replace the inverter PCB YES ...

Страница 396: ...h before connect or disconnect connector or parts damage may be occurred Inverter output voltage check Inverter output voltage is not balanced Normal if within 5V Must be measured when frequency is stable Unsatisfactory pressure equalization Check refrigerant system Compressor inspection Inspect according to the diagnosis procedure for odd noises vibration and operating status of the compressor YE...

Страница 397: ...function Detection Check the communication state between inverter PCB and control PCB by micro computer Malfunction Decision Conditions When the correct communication is not conducted in certain period Supposed Causes Malfunction of connection between the inverter PCB and outdoor control PCB Defect of outdoor control PCB transmission section Defect of inverter PCB Defect of noise filter External f...

Страница 398: ...transmission wiring and turn on again NO YES The voltage between red and white of X1A on the inverter unit is the power supply voltage Check the noise filter Z1F for disconnection and check the power supply wiring or the inverter PCB Replace inverter PCB When the LC malfunction occur again replace control PCB NO NO YES NO Are the connectors between the main PC board A1P and inverter PCB A2P connec...

Страница 399: ...or short circuited status Malfunction is not decided while the unit operation is continued P4 will be displayed by pressing the inspection button Supposed Causes Defect of radiator fin temperature sensor Defect of inverter PCB Troubleshooting Refer to thermistor resistance temperature characteristics table on P398 Q0440 After resetting restart YES YES Is the resistance of thermistor correct Is the...

Страница 400: ...ions When the communication data about inverter PCB type is incorrect Supposed Causes Mismatching of inverter PCB Faulty field setting Troubleshooting Refer to Field Setting from Outdoor Unit on P166 Q0441 After resetting restart YES YES YES Is the PCB type correct Is the field setting when the PCB was replaced correct Replace PCB by the correct one Replace the PCB NO Was the PCB replaced NO Corre...

Страница 401: ...efect of pressure sensor Defect of outdoor unit PCB A1P Troubleshooting Q0387 Ts Te 20 C Resistance is normal when measured with the suction pipe thermistor R2T and coil thermistor R4T disconnected from the outdoor unit PCB 3 5kΩ to 360 kΩ Out of gas or refrigerant system is clogged Requires check of refrigerant system Replace the thermistor Replace the outdoor unit PCB A1P YES NO NO Out of gas cl...

Страница 402: ...U2 Applicable Models AII outdoor unit models Method of Malfunction Detection Detection of voltage of main circuit capacitor built in the inverter and power supply voltage Malfunction Decision Conditions Supposed Causes Power supply insufficient Instantaneous failure Defect of inverter PCB Defect of outdoor control PCB Main circuit wiring defect ...

Страница 403: ...PCB Does the voltage between terminals P and N gradually rise to 283VDC after turning on The voltage between the P and N terminals is 400VDC and 190VDC or more when the compressor is running NO Is the power supply voltage at the connector X1A of outdoor PCB side Is the power supply voltage applied at LB and NB on the noise filter PCB Monitor field power supply Check the transmission wiring between...

Страница 404: ...ions Malfunction is decided when the unit starts operation without check operation Supposed Causes Check operation is not executed Troubleshooting Q0443 Has the check operation performed on Outdoor unit PCB Press the BS4 on PCB on the master outdoor unit for 5 seconds or more to execute check operation Replace the main PCB on the outdoor unit NO YES Caution Be sure to turn off power switch before ...

Страница 405: ...unction of electronic expansion valve in other BP unit Defect of PCB of other indoor unit or other BP unit Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Q0386 NO Turn on all indoor units Replace the outdoor unit PCB Refer to failure diagnosis for the malfunction code YES The other error code than U9 display blinks on...

Страница 406: ...r PCB was not conducted after replacing to spare parts PCB Troubleshooting The number of indoor units that can be connected to a single outdoor unit system depends on the type of outdoor unit Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Q0402 Normal NO Push and hold the RESET button on the outdoor unit PCB for 5 seconds YES Does a ...

Страница 407: ... hours or if it is not carried out after running all connected indoor units in the fan mode for at least an hour Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Q0388 Replace the BP unit PCB Is the electronic expansion valve coil disconnected Retry to test operation Is UF displayed again Test operation may not have been carried out su...

Страница 408: ...389 NO YES YES After fixing incorrect wiring push and hold the RESET button on the outdoor unit PCB for 5 seconds Normal NO Is electricity being introduce for the first time after installationor after an indoor or outdoor or BP unit PCB has been replaced Is indoor BP and BP outdoor unit transmission wiring normal YES Normal NO Does a malfunction occur NO Does a UH malfunction occur for all indoor ...

Страница 409: ...or relay connector is disconnected Check No 09 Check for Fan Motor Connector Signal Line 1 Turn the power supply off 2 With the fan motor connector disconnected measure the resistance between each pin then make sure that the resistance is more than the value mentioned in the following table Red White Black U V W Measure the resistance values between phases U V W Measurement point Judgment 1 4 1MΩ ...

Страница 410: ...he contact terminal on the harness side with the connector connected 6 Disconnect the connector X207A with the power supply OFF and Operation OFF 7 Is the voltage between pins 4 and 3 of X207A about 15 VDC after turning the power supply on 8 Is the voltage between pins 4 and 1 of X207A about 5 VDC 9 Connect the connector X207A with the power supply OFF and Operation OFF 10 When making one turn of ...

Страница 411: ...85 49 83 25 45 8 71 8 54 4 81 08 78 97 46 8 37 8 21 3 76 93 74 94 47 8 05 7 90 2 73 01 71 14 48 7 75 7 60 1 69 32 67 56 49 7 46 7 31 0 65 84 64 17 50 7 18 7 04 1 62 54 60 96 51 6 91 6 78 2 59 43 57 94 52 6 65 6 53 3 56 49 55 08 53 6 41 6 53 4 53 71 52 38 54 6 65 6 53 5 51 09 49 83 55 6 41 6 53 6 48 61 47 42 56 6 18 6 06 7 46 26 45 14 57 5 95 5 84 8 44 05 42 98 58 5 74 5 43 9 41 95 40 94 59 5 14 5 ...

Страница 412: ... 233 14 71 33 92 33 35 121 7 26 7 16 22 228 05 223 08 72 32 78 32 23 122 7 06 6 97 23 218 24 213 51 73 31 69 31 15 123 6 87 6 78 24 208 90 204 39 74 30 63 30 12 124 6 69 6 59 25 200 00 195 71 75 29 61 29 12 125 6 51 6 42 26 191 53 187 44 76 28 64 28 16 126 6 33 6 25 27 183 46 179 57 77 27 69 27 24 127 6 16 6 08 28 175 77 172 06 78 26 79 26 35 128 6 00 5 92 29 168 44 164 90 79 25 91 25 49 129 5 84 ...

Страница 413: ...e PH Low Pressure PL PH Detected Pressure High Side MPa PL Detected Pressure Low Side MPa VH Output Voltage High Side VDC VL Output Voltage Low Side VDC PH 1 38V 0 69 PL 0 57V 0 28 PH High pressure MPa VL Low pressure MPa V Voltage V Output Voltage VH VL Detected Pressure V3053 ...

Страница 414: ... 402 1 1 Removal of Outer Panels 402 1 2 Removal of PCB 409 1 3 Removal of Solenoid Valve Four Way Valve and Motorized Valve 420 1 4 Removal of Thermistor Assembly 421 1 5 Removal of Fan Motor 422 2 BP Unit 425 2 1 Removal of PCB 425 2 2 Removal of Solenoid Valve Coil 428 ...

Страница 415: ...emoval of Outer Panels Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Appearance Top panel Front panel Pipe outlet port Q0446 Outdoor air thermistor Rear protective net Q0447 ...

Страница 416: ...ng the rear protective net 1 Undo the 3 top hooks first Bend the rear protective net slightly for easy removal 2 Next undo the 4 right side hooks See the figure at bottom 3 Remove the rear protective net Step Procedure Points Hooks Q0448 Q0449 Q0450 Hooks ...

Страница 417: ...Outdoor Unit Si18 525B 404 Removal Procedure 3 Removing the top panel 1 Remove the 8 screws 2 Lift and remove the top panel Step Procedure Points Q0451 Q0452 ...

Страница 418: ...moval Procedure 405 4 Removing the front panel 1 Remove the screw 2 Pull the front panel toward yourself 3 There are 6 hooks on the front panel Slide the front panel downward to remove it Step Procedure Points Screw Q0453 Q0454 ...

Страница 419: ... 406 Removal Procedure 5 Removing the pipe cover 1 Remove the screw 2 Pull the pipe cover toward yourself 3 There are 3 hooks on the pipe cover Slide the pipe cover upward to remove it Step Procedure Points Q0455 Screw Q0456 ...

Страница 420: ...e 407 6 Right side panel 1 Remove the 6 screws off the panel s front 2 Remove the 3 screws off the panel s back and the 2 screws off the panel s side 3 Remove the right side panel Step Procedure Points Screws Q0457 Screws Screws Q0458 Q0459 ...

Страница 421: ...the outdoor air thermistor 1 Disconnect the outdoor air thermistor holder Unhook the holder from inside of the right side panel for easy removal 2 The figure shows the state after disconnection Step Procedure Points Q0461 Outdoor air thermistor holder Q0460 ...

Страница 422: ...more after turning off all power supplies before disassembling work Step Procedure Points 1 Removing the control PCB 1 Detach the 2 top locking guard spacers 2 Remove the drip proof cover 3 Disconnect the power relay connector X1A Locking guard spacers Power filter PCB Control PCB Drip proof cover Q0462 X1A Q0463 ...

Страница 423: ...Main X28A Electronic expansion valve Sub cool X34A Discharge pipe thermistor X37A Heat exchanger thermistor X44 Air thermistor X45A Pressure sensor Low X46A Pressure sensor High 5 Detach the 16 locking guard spacers Preferably use long nose pliers in removing the locking guard spacers 6 Remove the control PCB 2 Removing the control PCB mounting plate 1 Remove the 2 screws Step Procedure Points X25...

Страница 424: ... behind the mounting plate 4 Disconnect the connectors from the power filter PCB and cut off the clamps Ground Power terminals NA white LA red X1A black The clamps are to be kept in stock 5 Lift the mounting plate and undo the 2 left side hooks to remove it Step Procedure Points Clamps Q0526 Ground NA LA X1A Q0469 Hooks Q0470 ...

Страница 425: ...e clamp is to be kept in stock 2 Tilt up the compressor s sound proof cover Using long nose pliers pull out the following U Red V White W Blue N Brown 3 Remove the terminal cover 4 Disconnect the compressor lead connector terminal Step Procedure Points Clamps Power filter PCB Drip proof cover Q0527 Q0471 Sound proof cover Terminal Terminal cover Q0473 N W U V ...

Страница 426: ...Si18 525B Outdoor Unit Removal Procedure 413 5 Release the compressor lead out of the groove 6 Remove the 2 clamps Cut off with nippers Step Procedure Points Q0474 Q0475 ...

Страница 427: ...oval Procedure 7 Remove the screws of the reactor leads 8 Remove the screw 9 The power filter PCB is provided with 2 hooks Slide the PCB to the right to unhook it Step Procedure Points Screws Q0476 Screw Q0477 Hooks Rear view Q0478 ...

Страница 428: ...415 4 Removing the electrical assembly 1 Remove the clamp Cut off with nippers The clamp is to be kept in stock 2 Lift the electrical assembly to unhook it Step Procedure Points Q0479 Hooks Hook holes Partition plate Electrical assembly Q0480 ...

Страница 429: ...Outdoor Unit Si18 525B 416 Removal Procedure 3 Disconnect the fan motor relay connector pcs Red and white Step Procedure Points Q0481 Q0482 ...

Страница 430: ...ectrical box connector White 5 Remove the clamp and unbind the leads Cut off with nippers The clamp is to be kept in stock 6 Remove the clamp reactor lead Cut off with nippers 7 Remove the screw 8 Remove the clamp reactor lead Cut off with nippers 9 Remove the two clamps and disconnect the compressor lead Step Procedure Points Q0483 Q0484 Q0485 ...

Страница 431: ...ector X206A Red Connector X207A White 5 Removing the inverter PCB 1 Separate the power filter PCB mounting plate from the electrical assembly There are two hooks Slide the plate to unhook it 2 Remove the reactor connectors P1 and P2 P1 White P2 White Step Procedure Points Q0486 Hooks Q0487 Inverter PCB Q0488 ...

Страница 432: ...utdoor Unit Removal Procedure 419 3 Remove the screw and detach the inverter PCB 4 There are 2 hooks at the far side condenser side When reassembling catch these hooks first Step Procedure Points Q0489 Hooks Q0490 ...

Страница 433: ...rning off all power supplies before disassembling work Step Procedure Points 1 Removing the solenoid valve coil motorized valve coil and four way valve coil 1 Remove the solenoid valve and four way valve Remove the screw Use two open end wrenches for disassembling 2 Remove the motorized valve Solenoid valve Motorized valve Solenoid valve Four way valve Q0491 Q0492 Q0493 ...

Страница 434: ... minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Removing the thermistors 1 Remove the under cool thermistor 2 Remove the suction pipe thermistor 3 Remove the discharge pipe thermistor Under cool thermistor Discharge pipe thermistor Suction pipe thermistor Q0494 ...

Страница 435: ... Fan Motor Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Removing the front cover 1 Remove the 7 screws 2 Slide up the front cover to unhook and detach it Q0495 Q0496 ...

Страница 436: ... Outdoor Unit Removal Procedure 423 2 Removing the propeller fan 1 Remove the nut and detach the propeller fan 2 Disconnect the fan motor lead s relay connector Step Procedure Points Q0497 Relay connector Q0498 ...

Страница 437: ...assembling make sure the lead wires are fastened by the fixtures 4 Remove the 4 screws and take out the fan motor Remove the 2 bottom screws first If the top two screws are removed first the fan motor may tilt down or fall by gravity getting you injured Step Procedure Points Q0499 Q0500 ...

Страница 438: ...e disassembling work Step Procedure Points 1 Removing the PCB 1 Remove the 4 screws from the electrical box cover Detach the cover 2 The PCB is as shown at right Disconnect all the relay cables The PCB is coated resistant to moisture This means that the fuse and varistor cannot be replaced When reassembling have test operation for checking wrong wiring Q0501 Q0502 ...

Страница 439: ... 426 Removal Procedure 3 Disconnect thesolenoid valve connector and the thermistor connector 4 Remove the screw off the wire harness band 5 Remove the screw off the grounding lug Step Procedure Points Q0504 Q0505 Q0506 ...

Страница 440: ...Si18 525B BP Unit Removal Procedure 427 6 Disconnect the Faston terminal of the grounding cable 7 Remove the 2 screws and take out the PCB Step Procedure Points Q0507 Q0508 ...

Страница 441: ... before disassembling work Step Procedure Points 1 Removing the PCB Preparations Take the steps for removing the PCB Press the fixture between your fingers to unhook 1 Remove the legged clamp from the wire harness 2 Remove the 4 screws off the electrical box mounting plate Lift the plate up to detach it 3 Remove the 4 screws off the bottom plate Q0509 Q0510 Q0511 ...

Страница 442: ...emove the sealing compound 1 of the pipe insulation sleeves The sealing compound 1 is a servicing part 5 Remove the putty 6 Cut off the clamp The clamp is to be kept in stock Step Procedure Points Sealing compound 1 Q0512 Q0513 Q0514 Q0528 Clamp ...

Страница 443: ...BP Unit Si18 525B 430 Removal Procedure The clamps are to be kept in stock Step Procedure Points Clamps Q0529 ...

Страница 444: ...i18 525B Appendix 431 Part 10 Appendix 1 Piping Diagrams 432 1 1 Outdoor Units 432 1 2 BP Units 433 1 3 Indoor Units 434 2 Wiring Diagrams 441 2 1 Outdoor Units 441 2 2 BP Units 444 2 3 Indoor Units 446 ...

Страница 445: ...k valve HPS Receiver High pressure switch Check valve Check valve Filter Electronic expansion valve Heat exchanger pipe Electronic expansion valve Double pipe heat exchanger Filter Heat exchanger Service port 3D048787A SV Filter Capillary Low pressure tube Filter High pressure sensor sensor SP SP Filter Stop valve With service port on field piping side φ6 4mm flare connection SV Oil Solenoid separ...

Страница 446: ... INDOOR UNIT ROOM A ROOM B 6 4CuT 6 4CuT ROOM A ROOM B GAS LIQUID 3D048286B REFRIGERANT FLOW OUTDOOR UNIT OUTDOOR UNIT 9 5CuT 19 1CuT HEATING COOLING FILTER FILTER EXPANSION VALVE BYPASS ELECTRONIC EVH EXPANSION VALVE ROOM C EXPANSION VALVE ROOM B EXPANSION VALVE ROOM A ELECTRONIC ELECTRONIC ELECTRONIC EV EV EVA B C FILTER FILTER FILTER THERMISTOR DGB THERMISTOR DGA THERMISTOR DGC THERMISTOR DLA T...

Страница 447: ...LOW COOLING 6 4CuT 6 4CuT 4D050757A FIELD PIPING FIELD PIPING 9 5CuT 6 4CuT 7 9CuT MAFFLER ASSY CROSS FLOW FAN FAN MOTOR ON HEAT EXCH THERMISTOR INDOOR UNIT M 6 4CuT 7 0CuT 9 5CuT HEAT EXCHANGER REFRIGERANT FLOW HEATING COOLING 6 4CuT 6 4CuT 4D047912F FIELD PIPING FIELD PIPING 12 7CuT 6 4CuT CROSS FLOW FAN FAN MOTOR 7 9CuT INDOOR UNIT 12 7CuT M HEAT EXCHANGER REFRIGERANT FLOW ON HEAT EXCH THERMIST...

Страница 448: ...AZVMB FTX50AZVMB CuT CROSS FLOW FAN 15 9 12 7 FAN MOTOR 7 9CuT INDOOR UNIT 12 7CuT M HEAT EXCHANGER REFRIGERANT FLOW THERMISTOR ON HEAT EXCH COOLING C 4D033700 7 9CuT MAFFLER ASSY CROSS FLOW FAN FAN MOTOR INDOOR UNIT M 6 4CuT 6 4CuT 9 5CuT HEAT EXCHANGER REFRIGERANT FLOW COOLING 6 4CuT 6 4CuT THERMISTOR ON HEAT EXCH FIELD PIPING 6 4CuT FIELD PIPING 9 5CuT 4D051578B 7 9CuT MAFFLER ASSY CROSS FLOW F...

Страница 449: ...R ON HEAT EXCH HEAT EXCHANGER 4D054932A CROSS FLOW FAN FIELD PIPING INDOOR UNIT 9 5CuT 15 9CuT THERMISTOR M 7 9CuT COOLING FAN MOTOR 12 7CuT HEAT EXCHANGER ON HEAT EXCH REFRIGERANT FLOW FIELD PIPING 4D053131A FIELD PIPING FIELD PIPING CuT CuT FTK60 FTK71 FTK50 CROSS FLOW FAN 7 9CuT FAN MOTOR 15 9CuT INDOOR UNIT M 12 7 15 9 15 9 6 4 6 4 9 5 HEAT EXCHANGER REFRIGERANT FLOW ON HEAT EXCH THERMISTOR CO...

Страница 450: ...T CDKS25DVMT CDKS35DVMT CDXS35CVMB CDKS25CVMB CDXS25CVMB CDKS60CVMB CDXS50CVMA CDXS60CVMA CDXS60CVMB CDKS50CVMB CDXS50CVMB 12 7 9 5 FDKS25CVMB FDKS35CVMB FDXS25CAVMB FDXS35CAVMB FDKS25CAVMB FDKS35CAVMB FDKS25EAVMB FDKS35EAVMB FDXS50CVMB FDXS60CVMB FDKS50CVMB FDKS60CVMB CDXS25EAVMA CDXS35EAVMA CDKS25EAVMA CDKS35EAVMA CDXS25EAVMT CDXS35EAVMT CDKS25EAVMT CDKS35EAVMT FDXS35CVMA CDXS25EV2C CDXS35EV2C C...

Страница 451: ... FAN 12 7CuT FAN MOTOR M HEAT EXCHANGER THERMISTOR ON HEAT EXCH 4D048724A FVXS35BVMA FVXS50BVMA FIELD PIPING FIELD PIPING 6 4CuT 9 5CuT REFRIGERANT FLOW SINGLE UNION JOINT SINGLE UNION JOINT INDOOR UNIT 7 9CuT CROSS FLOW FAN CROSS FLOW FAN COOLING HEATING FAN MOTOR FAN MOTOR 9 5CuT M M HEAT EXCHANGER 7 0CuT 7 0CuT ONHEATEXCH THERMISTOR 4D034714C FIELD PIPING FIELD PIPING 12 7CuT 6 4CuT REFRIGERANT...

Страница 452: ...r FHQ35BUV1B FHQ35BVV1B FCQ35BVE FCQ35C7VEB FHQ50 60BUV1B FHQ50 60BVV1B FCQ50 60BVE FBQ60BV1 FBQ60BVL FCQ50 60C7VEB FUQ71 100 125BUV1B FUQ71 100 125BVV1B FHQ71 100 125BUV1B FHQ71 100 125BVV1B FAQ71 100BUV1B FAQ71 100BVV1B FXUQ70 100 125MV1 FHQ71 100 125BAV3B FCQ71 100 125 140DV3B FCQ71 100 125 140DAV3B FCQ71BVE FBQ71BV1 FBQ71BVL FCQ71 100 125 140C7VEB FCQH71 100 125 140C7VEB Field piping Field pip...

Страница 453: ...FBQ71BVL FCQ71 100 125 140C7VEB FCQH71 100 125 140C7VEB Field piping Field piping C1220T 0 C1220T 0 6 4 6 4 9 5 φ φ 12 7 15 9 9 5 To Outdoor unit MODEL Indoor unit 4D037995G Indoor heat exchanger FHQ35BUV1B FHQ35BVV1B FCQ35BVE FCQ35C7VEB FHQ50 60BUV1B FHQ50 60BVV1B FCQ50 60BVE FBQ60BV1 FBQ60BVL FCQ50 60C7VEB FUQ71 100 125BUV1B FUQ71 100 125BVV1B FHQ71 100 125BUV1B FHQ71 100 125BVV1B FAQ71 100BUV1B...

Страница 454: ... MONITOR ORANGE PILOT LAMP SERVICE MONITOR GREEN A2P PILOT LAMP SERVICE MONITOR GREEN A1P TRANSFORMER 220 240V 24V PRESSURE SENSOR HIGH PRINTED CIRCUIT BOARD NOISE FILTER ELECTRONIC EXPANSION VALVE MAIN ELECTRONIC EXPANSION VALVE SUB COOL FUSE 6 3A 250V MAGNETIC RELAY K1M MAGNETIC CONTACTOR M1C CAPACITOR DIP SWITCH PRINTED CIRCUIT BOARD INV PRINTED CIRCUIT BOARD MAIN NOISE FILTER WITH SURGE ABSORB...

Страница 455: ... H3P t BS3 1 1 H4P T1R DS2 DS1 2 2 H5P 3 3 BS4 H6P 4 4 H7P BS5 X23A FRONT A1P X26A X45A X46A X28A X44A X1M NOTE 4 A3P X24A X1M A t S1NPL S1NPH 6 6 VIEW A L1R Y2E R1T Y1E A2P M M A2P A3P HAP HAP K2R K4R K2R K5R R2 M2F E1HC R2T R4T R3T R5T BS1 5 Y2E Y2S Y3S S2S A1P F1U H1P 7P K1M K1R L1R PS V1T R1 S1PH S1NPL V1R V2R M1F M1C R1T T1R Y1E Z1F Z1C 3C Y1S S1S S1NPH X1M X1M DS1 2 C1 2 3 L RED C H SELECTOR...

Страница 456: ...ONIC EXPANSION VALVE MAIN PRINTED CIRCUIT BOARD INV PRINTED CIRCUIT BOARD MAIN DIP SWITCH MAGNETIC RELAY K1M MAGNETIC CONTACTOR M1C CAPACITOR NOISE FILTER WITH SURGE ABSORBER THERMISTOR SUCTION TERMINAL STRIP CONTROL A1P TERMINAL STRIP POWER SUPPLY SOLENOID VALVE RECEIVER GAS PURGE SOLENOID VALVE HOT GAS IGBT A2P SWITCHING POWER SUPPLY NOISE FILTER FERRITE CORE MAGNETIC RELAY E1HC MAGNETIC RELAY Y...

Страница 457: ... TERMINAL STRIP F2U FUSE DS2 DIP SWITCH Y1E Y3E MOTOR OPERATED VALVE COIL 3D048438 ROOM A ROOM B ROOM C INDOOR INDOOR INDOOR FIELD WIRING 3 3 3 2 2 2 1 1 1 PCB OFF X3M X4M X5M 3 3 2 2 3 2 1 1 1 2 3 4 1 TRANSMISSION TRANSMISSION TRANSMISSION DS2 CIRCUIT CIRCUIT CIRCUIT H3P H4P H2P H5P H1P E1 LEDA LED2 LED3 LED4 LED1 DLA R1T t DGA R2T 3 15A F2U t DLB R3T t DGB R4T T201R t DLC R5T t DGC R6T t WHT X90...

Страница 458: ...S2 DIP SWITCH Y1E Y3E MOTOR OPERATED VALVE COIL GRN YLW 3D048565B ROOM B ROOM A ROOM C INDOOR INDOOR INDOOR FIELD WIRING 3 3 3 2 2 2 1 1 1 PCB OFF X3M X4M X5M 2 3 2 2 3 3 1 1 1 3 4 2 1 TRANSMISSION TRANSMISSION TRANSMISSION DS2 CIRCUIT CIRCUIT CIRCUIT H2P H3P H4P H5P H1P E1 LEDA LED2 LED4 LED3 LED1 DLA R1T t DGA R2T 3 15A F2U t DLB R3T t DGB R4T T201R t DLC R5T t DGC R6T t WHT X90A 12 1 WHT YLW RE...

Страница 459: ...R 1 M1S M S6 5 V1 TRANSMISSION CIRCUIT 7 1 3 15A S1 F1U H2 H3 H1 INDOOR M1F FG M X1M 3 2 1 FIELD WIRING 3 2 1 OUTDOOR RED ORG YLW PNK BLU WHT BRN RED BLU ORG GRN WHT RED BLK YLW FG FRAME GROUND F1U FUSE H1P H3P PILOT LAMP M1F FAN MOTOR M1S SWING MOTOR PCB1 PCB4 PRINTED CIRCUIT BOARD R1T R2T THERMISTOR S1 S38 CONNECTOR S1W OPERATION SWITCH X1M TERMINAL STRIP PROTECTIVE EARTH NOTE THAT OPERATION WIL...

Страница 460: ...UTOMATICALLY IF FIELD WIRING CAUTION 3 2 1 OUTDOOR FRAME GROUND FUSE HARNESS PILOT LAMP FAN MOTOR PRINTED CIRCUIT BOARD CONNECTOR OPERATION SWITCH TERMINAL STRIP CONTROLLER WIRELESS REMOTE PCB4 PCB3 PCB5 INTELLIGENT EYE LED1 H1P R1T SENSOR t S37 S38 LED2 H2P LED3 H3P PCB2 S27 S36 S1W RECEIVER SIGNAL S26 S35 S21 S29 S28 PCB1 R2T S32 t RECTIFIER 1 RED M1S M S6 ORG YLW PNK 5 BLU 1 TRANSMISSION BRN RE...

Страница 461: ... R1T R2T THERMISTOR S1 S201 CONNECTOR S1W OPERATION SWITCH X1M TERMINAL STRIP PROTECTIVE EARTH 3D033597 WIRELESS REMOTE CONTROLLER PCB3 PCB4 INTELLIGENT EYE SENSOR LED3 LED2 H2P H3P LED1 H1P S1W R1T t S27 S36 S26 PCB2 S35 S21 HA SIGNAL RECEIVER PCB1 S29 S28 R2T S32 t 1 M1S M S6 S7 S1 5 BLU PPL BLK WHT C70 RED GRY TRANSMISSION CIRCUIT V1 t M INDOOR 140 C M1F 3 15A F1U H3 H2 H1 X1M 3 2 1 FIELD WIRIN...

Страница 462: ... CIRCUIT M2S S8 M ORG YLW 7 1 3 15A S1 PNK 6 Fu BLU WHT BRN RED BLU ORG H2 H3 H1 INDOOR FG M1F M GRN R1T R2T M1S M2S PCB1 PCB5 WHT RED BLK Fu M1F H1 H3 S1 S38 H1P H3P FG YLW X1M S1W X1M 3 2 1 PROTECTIVE EARTH THE MAIN POWER SUPPLY IS ON AGAIN TURNED OFF AND THEN BACK NOTE THAT OPERATION WILL RESTART AUTOMATICALLY IF FIELD WIRING CAUTION 3 2 1 OUTDOOR FRAME GROUND FUSE HARNESS PILOT LAMP FAN MOTOR ...

Страница 463: ...IZED CONTROL indoor 3 1 S7 BLU GRY PPL S1 RED 6 V1TR 1 M1F M 3 BLK Q1M 130 C 1 WHT YLW TRANSMISSION CIRCUIT C1 3 15A F1U Q1M M1F V1TR S1W X1M Z1C H1P H3P R1T R2T PCB1 PCB2 S1 S32 RTH1 GND H2 H3 H1 FAN MOTOR PRINTED CIRCUIT BOARD NOISE FILTER FERRITE CORE PHASE CONTROL CIRCUIT TERMINAL BLOCK OPERATION SWITCH THERMAL PROTECTOR M1F EMBEDDED THERMISTOR PILOT LAMP Z1C N 2 CONNECTOR GRN GRN WHT BLK RED ...

Страница 464: ...ERATION SWITCH SW7 S6 S37 X11A X21A CONNECTOR PCB1 PCB4 PRINTED CIRCUIT BOARD R1T R2T THERMISTOR X1M TERMINAL STRIP CAUTION FIELD WIRING 2 3 1 3D033909E outdoor CONTROLLER WIRELESS REMOTE indoor H1P S1W S2W 4 S4W M2S H2P M1S PCB4 PCB3 H3P RECEIVER SIGNAL M M L1S S24 S42 S26 S41 S23 S25 S6 PCB2 S31 R1T S21 TRANSMISSION S32 R2T CIRCUIT HA 3 15A FU S7 S302 S203 S201 S301 H3 H2 H1 S44 S43 S8 S204 S202...

Страница 465: ...D MAGNETIC RELAY M1P PRINTED CIRCUIT BOARD PRINTED CIRCUIT BOARD TERMINAL STRIP TERMINAL STRIP FUSE F5A 250V MOTOR SWING FLAP MOTOR DRAIN PUMP MOTOR INDOOR FAN CAPACITOR M1F THERMISTOR AIR THERMISTOR AIR THERMISTOR COIL 2 THERMISTOR COIL 1 REMOTE CONTROLLER SLAVE INDOOR UNIT X2M 3 2 1 NOTE 3 X24A CONNECTOR A1P TO OUTDOOR RECEIVER DISPLAY UNIT H05VV U4G2 5 UNIT A3P BS1 SS1 SS2 X40A X60A X61A X33A X...

Страница 466: ...GRN NOTE 5 P2 P1 YLW C1 WHT S1L MSW M1F M1S SS1 P2 M P1 NOTE 5 WIRED REMOTE CONTROLLER Q1M R1T NOTE 3 X24A X2M A1P T1R C1 SWITCH BOX RECEIVER DISPLAY UNIT A2P X2A A1P SS2 SS1 X33A SS1 X1A 3D048793 A3P X1A X60A X61A H2P H3P H4P H1P X1M X35A BS1 C1 A2P A3P S1L SS1 Q1M X2M X1M HAP A1P R1T R2T R3T R1T SS1 M1P M1F M1S V1TR KPR T1R WIRELESS REMOTE CONTROLLER TC RC RECEIVER DISPLAY UNIT WIRED REMOTE CONT...

Страница 467: ... WITH THE ATTACHED INSTALLATION MANUAL 4 REMOTE CONTROLLER MODEL VARIES ACCORDING TO THE COMBINATION SYSTEM CONFIRM ENGINEERING MATERIALS AND CATALOGS ETC BEFORE CONNECTING 5 SYMBOLS SHOW AS FOLLOWS RED RED BLK BLACK WHT WHITE YLW YELLOW GRN GREEN GRY GRAY BLU BLUE ORG ORANGE 6 CONFIRM THE METHOD OF SETTING THE SELECTOR SWITCH SS1 BY INSTALLATION MANUAL AND ENGINEERING MATERIALS ETC 7 GROUND THE S...

Страница 468: ...COLOUR FOR COMPONENTS X35A HAP V1TR X24A NOTE 4 KAR X15A X14A X20A X29A X26A X5A BLK BLK PRP BLU GRY X1M BLK RED P2 P1 NOTE 6 YLW C1 WHT WIRED REMOTE CONTROLLER S1Q MSW M1F M1S M SS1 P2 P1 Q1M R1T WIRELESS REMOTE CONTROLLER RECEIVER DISPLAY UNIT WIRED REMOTE CONTROLLER CONNECTOR FOR OPTIONAL PARTS A1P CONTROL BOX X1M C1 T1R X2M C1 A3P A4P S1Q Q1M X1M X2M A1P HAP F1U R3T R2T R1T SS1 R1T M1F M1S V1T...

Страница 469: ...Wiring Diagrams Si18 525B 456 Appendix ...

Страница 470: ... motor power supply cable 396 fan motor connector output check 337 357 Hall IC check 339 limit switch continuity check 337 power supply waveforms check 339 365 thermistor resistance check 338 358 check for fan motor connector signal line 396 check for fan speed pulse input on outdoor unit PCB 397 check on connector of fan motor power supply cable 396 check operation 163 181 check operation not exe...

Страница 471: ...ing function 145 air purifying filter 144 mold proof air filter prefilter 145 photocatalytic deodorizing filter 144 titanium apatite photocatalytic air purifying filter 144 filter PCB A3P 64 forced fan on 191 forced operation ON OFF switch 67 69 71 76 78 81 84 87 four way valve 420 freeze up protection control 125 148 freeze up protection control or high pressure control 330 FU 81 FU1 67 69 71 73 ...

Страница 472: ...function of discharge pipe thermistor 374 malfunction of drain system 343 malfunction of drain water level system 341 malfunction of electronic expansion valve 359 malfunction of field setting switch 356 malfunction of heat exchanger thermistor R2T 350 malfunction of heat exchanger thermistor R3T 351 malfunction of high pressure sensor 378 malfunction of indoor unit fan motor 345 malfunction of in...

Страница 473: ...r thermistor 353 remote controller thermostat 153 restart standby 118 RTH1 67 69 71 76 S S1 67 69 71 76 S201 73 81 S202 81 S203 81 S204 81 S21 67 69 71 73 76 78 81 S23 81 S24 73 78 81 S25 73 78 81 S26 67 69 71 73 76 78 81 S27 67 69 71 73 78 S28 67 69 71 S29 67 69 71 S301 81 S302 81 S31 73 78 81 S32 67 69 71 73 76 78 81 S35 67 69 71 S36 67 69 71 73 78 S37 71 73 78 S38 71 S6 67 69 71 73 78 81 S7 69 ...

Страница 474: ... U2 389 U3 391 U4 362 U5 354 U8 355 U9 392 UA 356 393 UF 394 UH 395 UJ 364 unit No change 191 V V1 67 69 71 73 76 78 81 vacuuming mode 180 varistor 67 69 71 73 76 78 81 W wide angle louvers 133 wireless address switch SS2 187 wiring diagrams 441 X X10A 84 87 90 X11A 84 87 90 X14A 92 X15A 84 87 90 92 X17A 84 87 90 92 X18A 84 87 90 92 X19A 84 87 90 92 X1A 60 64 84 87 X1M 60 X205A 62 X206A 62 X207A 6...

Страница 475: ...Si18 525B vi Index ...

Страница 476: ...ty combination of inverter and fan driver 387 faulty outdoor unit PCB 366 field setting wired remote controller 183 wireless remote controller 184 field setting from outdoor unit mode changing procedure 167 filter PCB A3P RMKD models 65 RMX K S models 64 freeze up protection control 125 148 freeze up protection control or high pressure control 330 full closing of electronic expansion valves 130 fu...

Страница 477: ...34 FTK50AVM 436 FTK50AZVMB 435 FTK60AVM 436 FTK60AZVMB 435 FTK71AVM 436 FTK71AZVMB 435 FTKD25DVM 435 FTKD35DVM 435 FTKD50FVM 436 FTKD60FVM 434 FTKD71FVM 436 FTKS20 25 35DVMA 434 FTKS25 35DVM 434 FTKS50 60BVMB 434 FTKS71BVMA8 434 FTKS71BVMB 434 FTXS20 25 35DVMA 434 FTXS20 25 35DVMT 434 FTXS50 60DVMT 434 FTXS71BVMA8 435 FTXS71DVMT 435 FVXS35BVMA 438 FVXS50BVMA 438 RMK X S112 140 160DV1A 432 RMK X S1...

Страница 478: ... controller field setting 183 wireless address switch SS2 187 wireless remote controller field setting 184 wiring diagrams BPMKD967A2 444 BPMKD967A3 444 BPMKS967A2 444 BPMKS967A2B 445 BPMKS967A3 444 BPMKS967A3B 445 CDK X S25 35 50 60CVMA 450 CDKD25 35 50 60CVM 450 CDKD25 35EAVM 450 CDKS50 60CVMB 450 CDXS25 35 50 60DVMT 450 FBQ60 71BV1 454 FBQ60 71BVL 454 FCQ35 50 60 71BVE 453 FDKS25 35CVMB 450 FFQ...

Страница 479: ...Specifications designs and other content appearing in this brochure are current as of March 2007 but subject to change without notice Si 18 525B Printed in Japan 03 2007 B AK ...

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