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Troubleshooting for SkyAir Indoor Unit

SiAU18-715

348

Troubleshooting

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)

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Содержание E Series

Страница 1: ...SiAU18 715 Applied Models Super Multi Plus Cooling Only Super Multi Plus Heat Pump E Series ...

Страница 2: ...25B8V1B FTKS25EVMA CDKS35CVMA FFQ35B8V1B FTKS35EVMA CDKS50CVMA FFQ50B8V1B FTKS50FVMA CDKS60CVMA FFQ60B8V1B FTKS60FVMA CDKS25EAVMA FCQ35BVE FTKS71FVMA CDKS35EAVMA FCQ50BVE FCQ60BVE FCQ71BVE FBQ60BV1 FBQ71BV1 FHQ35BVV1B FHQ50BVV1B FHQ60BVV1B Outdoor Unit RMKS112EV1A BPMKS967A2 RMKS140EV1A BPMKS967A3 RMKS160EV1A ...

Страница 3: ...FQ35B8V1B FTXS35EVMA FDXS50CVMA FLXS50BVMA FFQ50B8V1B FTXS50FVMA FDXS60CVMA FLXS60BVMA FFQ60B8V1B FTXS60FVMA CDXS25EAVMA FVXS25FV1A FCQ35BVE FTXS71FVMA CDXS35EAVMA FVXS35FV1A FCQ50BVE FVXS50FV1A FCQ60BVE FCQ71BVE FBQ60BV1 FBQ71BV1 FHQ35BVV1B FHQ50BVV1B FHQ60BVV1B Outdoor Unit RMXS112EV1A BPMKS967A2 RMXS140EV1A BPMKS967A3 RMXS160EV1A ...

Страница 4: ...g Suspended Dual Type 48 1 7 Floor Standing Type 51 1 8 Ceiling Mounted Cassette 600 600 Type 54 1 9 Ceiling Mounted Cassette Type 950 950 57 1 10 Ceiling Mounted Built in Type 60 1 11 Ceiling Suspended Type 62 Part 4 Refrigerant Circuit 65 1 Refrigerant Circuit 66 1 1 Outdoor Units 66 1 2 BP Units 68 2 Functional Parts Layout 69 2 1 Outdoor Units 69 3 Refrigerant Flow for Each Operation Mode 70 3...

Страница 5: ...n Heating Operation 100 6 5 Heat Exchanger Isothermal Control in Heating Operation 100 7 Indoor Unit RA Models 101 7 1 Power Airflow Dual Flaps Wide Angle Louvers and Auto Swing 101 7 2 Fan Speed Control for Indoor Units 102 7 3 Programme Dry Function 103 7 4 Automatic Operation 104 7 5 Thermostat Control 105 7 6 Night Set Mode 106 7 7 ECONO Mode 107 7 8 MOLD PROOF Operation 107 7 9 INTELLIGENT EY...

Страница 6: ... with the LED on the BP Unit 304 2 Service Check Function 305 2 1 RA Indoor Unit Wireless Remote Controller 305 2 2 SkyAir Indoor Unit INSPECTION TEST Button 310 2 3 SkyAir Indoor Unit Wired Remote Controller 311 2 4 SkyAir Indoor Unit Wireless Remote Controller 312 2 5 Sky Air Indoor Unit Error Codes and LED Indication 314 2 6 Malfunction Code Indication by Outdoor Unit PCB 315 3 List of Malfunct...

Страница 7: ...alfunction of Thermistor R3T R5T for Suction Pipe1 2 370 7 12 Malfunction of Thermistor R4T for Outdoor Unit Heat Exchanger 371 7 13 Malfunction of Thermistor R7T for Outdoor Unit Liquid Pipe 372 7 14 Malfunction of Subcooling Heat Exchanger Thermistor R6T 373 7 15 Malfunction of High Pressure Sensor 374 7 16 Malfunction of Low Pressure Sensor 375 7 17 Malfunction of PCB 376 7 18 Malfunction of In...

Страница 8: ... 400 7 37 Malfunction of System Refrigerant System Address Undefined 401 8 Check 402 9 Thermistor Resistance Temperature Characteristics 405 10 Pressure Sensor 407 11 Method of Replacing The Inverter s Power Transistors Modules 408 Part 9 Appendix 411 1 Piping Diagrams 412 1 1 Outdoor Units 412 1 2 BP Units 413 1 3 Indoor Units 414 2 Wiring Diagrams 420 2 1 Outdoor Units 420 2 2 BP Units 422 2 3 I...

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: ...ctrical 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 co...

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: ...vent 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 ...

Страница 13: ...re 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 ca...

Страница 14: ...SiAU18 715 List of Functions 1 Part 1 List of Functions 1 List of Functions 2 1 1 Cooling Only 2 1 2 Heat Pump 7 ...

Страница 15: ...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 Automatic Test Operation Indoor Unit Quiet Operation Memory Function Night Quiet Mode Automatic Anticorrosion Treatment of Outdoor Heat Exchanger Outdoor Unit Quiet Operation Manual Flexibility Multi Split...

Страница 16: ...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 Corres...

Страница 17: ...irflow 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 O...

Страница 18: ...low 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 Outd...

Страница 19: ...low 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 Outd...

Страница 20: ...ht 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 Automatic Test Operation Outdoor Unit Quiet Operation Manual Memory Function Intelligent Eye Anticorrosion Treatment of Outdoor Heat Exchanger Quick Warming ...

Страница 21: ...r Comfort 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 Flexibility Multi Split Split Type Compatible...

Страница 22: ...low 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 Flexibility Multi Split Split Type Compatible Indoor Unit I...

Страница 23: ...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 Ma...

Страница 24: ...flow 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 Flexibility Multi Split Split Type Compatible Indoor Unit ...

Страница 25: ...flow 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 Flexibility Multi Split Split Type Compatible Indoor Unit ...

Страница 26: ...SiAU18 715 Specifications 13 Part 2 Specifications 1 Specifications 14 1 1 Cooling Only 14 1 2 Heat Pump 23 ...

Страница 27: ...min cfm 106 3742 Fan Type Propeller 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 125 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 ...

Страница 28: ...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 Height D...

Страница 29: ...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 3D054408 Model FTKS35EVMA FTKS50FVMA Rated Capacity 3 5kW Class 5 0kW Class Front Panel Color White White Air Flow Rates m min cfm H 8 9 314 14 7 519 M 6 9 244 12 6 445 L 4 8 169 10 2 360 SL 4 0 141 9 2 325 Fan Type Cross Flow Fan Cross Flow Fan Motor Output W 40 43 Speed Steps 5 Steps Quiet A...

Страница 30: ...ew Proof Removable Washable Mildew Proof Running Current Rated A 0 19 0 18 0 17 0 21 0 20 0 19 Power Consumption Rated W 40 45 Power Factor 95 7 96 6 98 0 97 4 97 8 98 7 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 kg 17 17 Operation Sound H M L S...

Страница 31: ...31 29 35 33 31 29 Moisture Removal L h 1 2 1 9 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 φ 26 I D φ 20 VP20 O D φ 26 I D φ 20 Drawing No 3D049723 3D049724 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 1...

Страница 32: ...r Output W 62 62 Speed Steps 5 Steps Quiet Auto 5 Steps Quiet Auto Running Current Rated A 0 47 0 48 0 49 0 47 0 48 0 49 Power Consumption Rated W 70 71 72 70 71 72 Power Factor 67 7 64 3 61 2 67 7 64 3 61 2 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 200 700 620 200 700 620 Packaged Dimensions H W D mm 274 906 751 274 906 751 Weight kg 21 21 Gross Weight kg...

Страница 33: ...ction Liquid mm φ 6 4 φ 6 4 Gas mm 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 3D040444A 3D040442A Model FFQ50B8V1B FFQ60B8V1B 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 15 0 530 M L 8 0 283 10 0 353 SL Fan Type Turbo Fan Turbo Fan Motor Output W 55 55 Speed S...

Страница 34: ... 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 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 Speed Steps 2 Steps 2 Steps Air Direc...

Страница 35: ...FHQ50BVV1B FHQ60BVV1B 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 D...

Страница 36: ...g m min cfm 106 3 742 Fan Type Propeller Motor Output W 70 70 Running Current A 0 4 0 4 Power Consumption W 88 88 Starting Current A 20 0 19 2 18 4 24 8 23 7 22 7 26 4 25 2 24 2 Dimensions H W D mm 1 345 900 320 Package Dimensions H W D mm 1 475 925 390 Weight kg 125 Gross Weight kg 136 Operation Sound Cooling dBA 52 53 54 Heating dBA 54 55 56 Piping Connection Liquid mm φ9 5 Flare Connection Gas ...

Страница 37: ... 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 Height Dif...

Страница 38: ...es 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 3D054406 Model FTXS35EVMA FTXS50FVMA Cooling Heating Cooling Heating Rated 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 14 7 519 16 2 572 M 6 9 242 7 9 277 12 6 445 13 8 487 L 4 8 169 6 0 212 10 2 360 11 5 406 SL 4 0 141 5 2 184 9 2 325...

Страница 39: ...Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 19 0 18 0 17 0 21 0 20 0 19 0 21 0 20 0 19 0 28 0 27 0 26 Power Consumption Rated W 40 45 45 60 Power Factor 95 7 96 6 98 0 97 4 97 8 98 7 97 4 97 8 98 7 97 4 96 6 96 2 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...

Страница 40: ...ressure Pa 40 40 Moisture Removal L h 1 2 1 9 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 φ 26 I D φ 20 VP20 O D φ 26 I D φ 20 Drawing No 3D055393B 3D055394B Model FDXS50CVMA FDXS60CVMA Cooling Heating Cooling Heating Rated Capacity 5 0kW Class 6 0kW Class Front Panel Color Air Flow Rates m min cfm...

Страница 41: ...eps 5 Steps Quiet Auto 5 Steps Quiet Auto Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 47 0 48 0 49 0 47 0 48 0 49 0 47 0 48 0 49 0 47 0 48 0 49 Power Consumption Rated W 70 71 72 70 71 72 70 71 72 70 71 72 Power Factor 67 7 64 3 61 2 67 7 64 3 61 2 67 7 64 3 61 2 67 7 64 3 61 2 Temperature Control Microcomputer Control Microcomputer Control ...

Страница 42: ...14 Gross Weight kg 18 18 Operation Sound H M L SL dBA 38 32 26 23 38 32 26 23 39 33 27 24 39 33 27 24 Sound Power H dBA 54 54 55 55 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 φ9 5 Drain mm φ20 0 φ20 0 Drawing No C 3D056271 C 3D056272 Model FVXS50FV1A Cooling Heating Rated Capacity 5 0kW Class Front Panel Color White Air ...

Страница 43: ... 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 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 7 378 10 6 374 L 8 5 300 7 5 265 9 3 328 8 4 297 SL 7 5 265 6 ...

Страница 44: ...iquid mm φ 6 4 φ 6 4 Gas mm 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 3D040445 3D040443 Model FFQ50B8V1B FFQ60B8V1B 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 12 0 424 15 0 530 15 0 530 M L 8 0 283 8 0 283 10 0 353 10 0 353 SL...

Страница 45: ... 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 Speed St...

Страница 46: ...istant Resin Net with mold resistant Running Current Max Rated A 0 9 1 1 Power Consumption Rated W 165 145 184 164 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 300 1000 800 300 1000 800 Packaged Dimensions H W D mm 400 1171 991 400 1171 991 Weight kg 41 41 Gross Weight kg 50 50 Operation Sound H L dBA 41 35 41 35 Heat Insulation Both Liquid and Gas Pipes Both...

Страница 47: ...ownward 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...

Страница 48: ...1 1 Outdoor Unit 36 1 2 BP Unit 41 1 3 Wall Mounted Type 20 25 35 Class 42 1 4 Wall Mounted Type 50 60 71 Class 44 1 5 Duct Connected Type 46 1 6 Floor Ceiling Suspended Dual Type 48 1 7 Floor Standing Type 51 1 8 Ceiling Mounted Cassette 600 600 Type 54 1 9 Ceiling Mounted Cassette Type 950 950 57 1 10 Ceiling Mounted Built in Type 60 1 11 Ceiling Suspended Type 62 ...

Страница 49: ...onnector for Electronic Expansion Valve Sub Cool 9 X25A Connector for Y1S Four Way Valve 10 X26A Connector for Y2S Hot Gas Bypass Valve 11 X27A Connector for Y3S Unload 12 X28A Connector for Crankcase Heater 13 X32A Connector for High Pressure Switch 14 X37A Connector for Power Supply for Optional PCB DC16V 15 X66A Connector for C H Selector PCB A4P 16 X81A Connector for Terminal Strip 17 X106A X1...

Страница 50: ...Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram 37 PCB Detail LC NC LE N P X111A F6U X107A X106A HBP X66A X37A X81A X5A X22A X21A X13A X11A X12A X18A X17A X32A HAP X25A X26A X27A X28A LD F4U 2P175758 ...

Страница 51: ...iring Diagram 1 1 2 Service PCB A2P Connectors 1 X205A Connector for Main PCB A1P Note Other Designation 1 H1P to H8P Service Monitor LED 2 BS1 to BS5 Push Button Switch Mode Set Return Test Reset 3 DS1 DIP Switch PCB Detail DS1 H8P BS5 H7P H6P H5P H4P H3P H2P H1P X205A BS4 BS3 BS2 BS1 2P174185 ...

Страница 52: ...inted Circuit Board Connector Wiring Diagram 39 1 1 3 Noise Filter PCB A3P Connectors 1 LA NA Terminal for X1M Power Supply 2 LB NB Terminal for Main PCB A1P 3 E Terminal for Earth Note Other Designation 1 F1U Fuse 250V 6 3A PCB Detail NB F1U NA LA E LB 2P174186 ...

Страница 53: ...or Wiring Diagram SiAU18 715 40 Printed Circuit Board Connector Wiring Diagram 1 1 4 Cool Heat Selector PCB A4P Connectors 1 X1A Connector for Main PCB A1P Note Other Designation 1 X1M Cool Heat Selector PCB Detail X1M X1A 2P174187 ...

Страница 54: ... 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 230V 50Hz 7 L2 N2 on X1M Terminal for Power Supply to other BP units 8 H1P LED A LED for Service Monitor 9...

Страница 55: ...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 Refer t...

Страница 56: ...ircuit Board Connector Wiring Diagram 43 PCB Detail PCB 1 Control PCB indoor unit PCB 4 INTELLIGENT EYE sensor PCB V1 S1 FU1 S6 L2 S26 S28 S32 JC JB JA LED A S35 S21 R4986 PCB 2 Signal Receiver PCB PCB 3 Display PCB S29 R5183 RTH1 SW1 S27 LED3 LED2 LED1 R4290 S36 R4291 ...

Страница 57: ...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 setting whe...

Страница 58: ...nector Wiring Diagram 45 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 59: ...ontrol 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 163 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 L...

Страница 60: ...SiAU18 715 Printed Circuit Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram 47 PCB Detail PCB 2 Display PCB WLU C2 C1 C3 PbF 2P084375 Pb Free SW1 LED1 RTH1 LED2 LED3 S1 ...

Страница 61: ...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 62: ...SiAU18 715 Printed Circuit Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram 49 PCB Detail PCB 1 Control PCB indoor unit PCB Detail PCB 2 Power Supply PCB ...

Страница 63: ... Board Connector Wiring Diagram SiAU18 715 50 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 64: ...1 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 pag...

Страница 65: ...Printed Circuit Board Connector Wiring Diagram SiAU18 715 52 Printed Circuit Board Connector Wiring Diagram PCB Detail PCB 1 Power Supply PCB 25 35 class PCB Detail PCB 1 Power Supply PCB 50 class ...

Страница 66: ...SiAU18 715 Printed Circuit Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram 53 PCB Detail PCB 2 Control PCB indoor unit PCB 3 Display PCB PCB 4 Signal Receiver PCB ...

Страница 67: ... thermistor 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 X40A Optional connector for ON OFF i...

Страница 68: ...ing Diagram Printed Circuit Board Connector Wiring Diagram 55 PCB Detail PCB 1 Control PCB A1P indoor unit EC0608 A X25A X18A X61A X36A X40A X17A X15A HAP Service monitor LED Capacity setting adaptor X5A X35A X24A X60A X19A X33A X27A X20A 2P095006 ...

Страница 69: ...it Board Connector Wiring Diagram SiAU18 715 56 Printed Circuit Board Connector Wiring Diagram PCB Detail PCB 2 Signal Receiver PCB A3P PCB 3 Display PCB A4P X2A 3P156326 X1A SS2 LED4 X1A BS1 3P086209 LED3 LED2 LED1 ...

Страница 70: ...nnector for room temperature thermistor 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 X61...

Страница 71: ...am SiAU18 715 58 Printed Circuit Board Connector Wiring Diagram PCB Detail PCB 1 Control PCB A1P indoor unit 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 72: ...inted Circuit Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram 59 PCB Detail PCB 2 Signal Receiver PCB A2P PCB 3 Display PCB A3P X2A 3P156326 X1A SS2 LED3 3P008986 LED4 X1A BS1 LED2 LED1 ...

Страница 73: ...0A 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 74: ...inted Circuit Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram 61 PCB Detail Control PCB A1P indoor unit X27A X25A X11A X33A X61A X15A X18A X19A X17A X21A X5A X10A X35A X60A HAP 2P095008 ...

Страница 75: ...trip 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 Adaptor Optional Accessory 14 X40A Connector for ON OFF Input from Outside for Optional Accessory 15 X60A X61A Connector for Interface Adaptor Optional Accessory PCB 2 Signal Receiver PCB A3P 1 X1A Connector for display PCB 2 X2A Connector for ...

Страница 76: ...iagram Printed Circuit Board Connector Wiring Diagram 63 PCB Detail PCB 1 Control PCB A1P indoor unit 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 EC0606 A ...

Страница 77: ...it Board Connector Wiring Diagram SiAU18 715 64 Printed Circuit Board Connector Wiring Diagram PCB Detail PCB 2 Signal Receiver PCB A3P PCB 3 Display PCB A4P X2A 3P156326 X1A SS2 BS1 3PA58761 X1A LED3 LED4 LED2 LED1 ...

Страница 78: ...cuit 66 1 1 Outdoor Units 66 1 2 BP Units 68 2 Functional Parts Layout 69 2 1 Outdoor Units 69 3 Refrigerant Flow for Each Operation Mode 70 3 1 Cooling Operation 70 3 2 Heating Operation 71 3 3 Cooling Oil Return Operation 72 3 4 Heating Oil Return Operation Defrost Operation 73 ...

Страница 79: ...witch 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 discharge pipe This valve opens at a pressure ...

Страница 80: ...SiAU18 715 Refrigerant Circuit Refrigerant Circuit 67 Refrigerant Circuit Diagram C 3D052627A A P G N M D D O H F S E T ...

Страница 81: ...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 82: ...SiAU18 715 Functional Parts Layout Refrigerant Circuit 69 2 Functional Parts Layout 2 1 Outdoor Units Birds eye view THERMISTOR SUCTION 2 R5T MARKING COLOR GREEN S1PH PRESSURE SWITCH Q0524 ...

Страница 83: ...EV B Full close EV H Full close EV B Full close EV A SH control EV A SH control High 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 PIPI...

Страница 84: ... A SC control 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 EXCHANGER FIELD PIPING OFF OFF OFF OFF ON ON ON FIELD PIPING SIRROCO FAN FAN MOTO...

Страница 85: ...trol EV A SH control 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 EXCHANGER FIELD PIPING OFF OFF OFF OFF ON ON ON FIELD PIPING SIRROCO FAN F...

Страница 86: ...HERMISTOR 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 HEAT EXCHANGER THERMISTOR EV A 80 pls EV H SH control EV B 80 pls EV H Full close EV B 80 pls EV A SH control EV A SH control FIEL...

Страница 87: ...Refrigerant Flow for Each Operation Mode SiAU18 715 74 Refrigerant Circuit ...

Страница 88: ...Control 95 5 1 Demand Operation 95 5 2 Heating Operation Prohibition 95 6 BP Unit Control 96 6 1 BP Unit Command Conversion 96 6 2 BP Unit Electronic Expansion Valve Control 97 6 3 SH Control in Cooling Operation 99 6 4 SC Control in Heating Operation 100 6 5 Heat Exchanger Isothermal Control in Heating Operation 100 7 Indoor Unit RA Models 101 7 1 Power Airflow Dual Flaps Wide Angle Louvers and A...

Страница 89: ...N conditions are met Operation mode change Oil return IN conditions are met Cooling or heating operation Oil return operation Defrosting operation Indoor unit stop or thermostat OFF Indoor unit stop or thermostat OFF Indoor unit stop or thermostat OFF Indoor unit thermostat ON Indoor unit thermostat ON Malfunction Standby Malfunction Standby Malfunction Standby Malfunction Standby Pressure equaliz...

Страница 90: ...our way valve OFF Main electronic expansion valve EV1 480 pls Subcooling electronic expansion valve EV3 PI control Hot gas bypass valve SVP OFF This valve turns on with low pressure protection control Actuator Operation Remarks Compressor Compressor PI control Used for high pressure protection control low pressure protection control discharge pipe temperature protection control and compressor oper...

Страница 91: ...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 operating frequency etc L M Normal factory setting H 43 46 49 STn INV Fullload INV Unload STn INV Fullload INV Unload STn INV Fullload INV Unload 1 36 0Hz 11 80 0Hz 21 140 0Hz 2 39 0Hz 12 86 0Hz 22 146 ...

Страница 92: ...Down 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 P96 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 93: ...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 94: ...ing on the discharge pipe superheated degree of inverter compressor Subcooling Electronic Expansion Valve EV3 Control Makes PI control of the electronic expansion valve Y3E 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 Ts1 Te SH Evaporator outlet superheated degree C Ts1 Suction pipe temperature detected by ther...

Страница 95: ... run in Step 5 or higher When outdoor temperature 12 C it will run in Step 1 or higher 850rpm 715rpm 580rpm 445rpm 360rpm 285rpm 400rpm 250rpm 0 rpm M1F 815rpm 680rpm 545rpm 410rpm 325rpm 250rpm 0 rpm 0 rpm 0 rpm M2F STEP3 STEP4 STEP5 STEP6 STEP7 STEP8 STEP2 STEP1 STEP0 Cooling Fan Steps Upper limit of fan revolutions Step 8 Upper limit of outdoor unit fan revolutions Step 7 1 step on outdoor unit...

Страница 96: ...Pc Pe 0 39MPa is achieved Outdoor unit fan STEP7 Ta 20 C OFF Ta 20 C STEP4 1 step 15 sec when Pc 2 16MPa 1 step 15 sec when Pc 1 77MPa Four way valve 20S1 Holds OFF OFF Main electronic expansion valve EV1 0 pls 480 pls 480 pls Subcooling electronic expansion valve EV3 0 pls 0 pls 0 pls Hot gas bypass valve SVP OFF OFF OFF Ending conditions Pc Pe 0 3MPa A lapse of 1 to 5 min A lapse of 10 sec A lap...

Страница 97: ...tion operation Oil return operation Post oil return operation Compressor Take the current step as the upper limit 52 Hz Full load Low pressure constant control Same as the oil return operation mode Outdoor unit fan Fan control Normal cooling Fan control Normal cooling Fan control Normal cooling Four way valve OFF OFF OFF Main electronic expansion valve EV1 480 pls 480 pls 480 pls Subcooling electr...

Страница 98: ...to reduce noise on changing 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 Full load 2 step increase from 36 Hz Unload 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 480 pls 55 pls Subcooling elect...

Страница 99: ...e operation after defrost the compressor stops for 2 min 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 124 Hz Full load 2 step increase from 36 Hz Unload to Pc Pe 0 4 MPa every 20 sec Outdoor unit fan STEP8 OFF STEP8 Four way valve ON OFF ON Main electronic expansion valv...

Страница 100: ...idual operation Step 1 Pump down residual operation Step 2 Compressor 124 Hz Full load 52 Hz Full load Outdoor unit fan Fan control Fan control Four way valve OFF OFF Main electronic expansion valve EV1 480 pls 240 pls Subcooling electronic expansion valve EV3 0 pls 0 pls Hot gas bypass valve SVP OFF OFF Ending conditions 2 sec 2 sec Actuator Pump down residual operation Compressor 124 Hz Full loa...

Страница 101: ... is cleared up 3 6 1 When System is in Stop Mode Actuator Operation Compressor OFF Outdoor unit fan OFF Four way valve Keep former condition Main electronic expansion valve EV1 0 pls Subcooling electronic expansion valve EV3 0 pls Hot gas bypass valve SVP OFF Ending conditions Indoor unit thermostat is turned ON ...

Страница 102: ...e sensor detection value INV upper limit frequency 3 step down from current compressor frequency When occurring 10 times within 60 minutes HPS is activated without high pressure standby thus outputting the malfunction code E3 High pressure standby INV upper limit frequency Max High pressure drop Pc 3 04MPa After 10 sec Pc 3 04MPa Pc 2 94MPa Pc 3 64MPa Keeping the current step After 60 sec High pre...

Страница 103: ...imes within 30 min the malfunction code E4 is output Pe 0 15MPa Pe 0 30MPa Hot gas SVP OFF Hot gas SVP ON Ts Teg 8deg Pe 0 06MPa Pe 0 09MPa or After 10 sec Pe 0 17MPa Pe 0 17MPa Pe 0 20MPa Pe 0 07MPa Current step limited After 15 sec Low pressure not limited Low pressure limited INV upper limit frequency 1 step up from current compressor frequency Pe LP pressure sensor detection value INV upper li...

Страница 104: ...door air temperature Tp Value of compressor port temperature calculated by Tc and Te and suction superheated degree or Discharge pipe protection control not limited INV upper limit frequency 1 step down from current compressor frequency INV upper limit frequency 1 step up from current compressor frequency 36 Hz Unload HTdi 115 C Tp 135 C or HTdi 135 C HTdi 120 C for 10 min or more or HTdi 110 C Tp...

Страница 105: ...quency When occurring 4 times within 60 min the malfunction code L8 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 Not limited Limited Tfin 78 C Tfin 78 C Tfin 83 C Fin temp standby Tfin 75 C INV u...

Страница 106: ... 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 107: ... 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 108: ...te the unit with this mode additional setting of Continuous Demand Setting or external input by external control adaptor is required Demand 1 setting 5 2 Heating Operation Prohibition Heating operation is prohibited above 24 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 ...

Страница 109: ...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 110: ...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 111: ...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 112: ...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 113: ...n 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 ...

Страница 114: ...ide range of airflow that guarantees a comfortable air distribution Auto Swing Wall mounted type 20 35 Class The following table explains the auto swing process for heating cooling dry and fan 3 D Airflow Wall mounted type 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 c...

Страница 115: ...he fan rotates at the following speed Cooling The fan keeps rotating at the set tap Heating The fan stops 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 ...

Страница 116: ...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 117: ...C 2 Main unit setting temperature equals remote controller setting temperature 3 Operation ON OFF point and 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 oper...

Страница 118: ... The monitoring time has passed while the temperature difference is in the zone B Cooling Dry 10 minutes Heating 10 seconds Cooling Dry Wall Mounted Type Floor standing Type Floor Ceiling suspended Type Duct Connected Type Heating Wall Mounted Type Floor standing Type Floor Ceiling suspended Type Duct Connected Type B A OFF ON C Cooling 0 5 C Dry 0 5 C Room temperature setpoint Cooling 2 0 C Dry 2...

Страница 119: ...e 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 FTK X S20D FTK X S...

Страница 120: ...The 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 S20D FTK X S25 35E MOLD PROOF operation is a function which reduces the spread of mold by using...

Страница 121: ... a microcomputer 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 Dry 2 C higher Heating 2 C lower and Auto according to the operation mode at that time 1 In 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...

Страница 122: ...s 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 123: ...d 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 ...

Страница 124: ...lass Ex POWERFUL operation in cooling mode Refer to Fan Speed control on page 102 for detail 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 ...

Страница 125: ...on on Indoor Unit For FTK X S20D FTK X S25 35E FTK X S50 71F CDKS25 60C CDK X S25 35E FDXS25 60C FVXS25 50F An ON OFF button is provided on the front panel of the unit Use this button when the remote controller is missing or if its battery has run out Every press of the button switches from ON to OFF or from OFF to ON In case of 20 35 Class Push this button once to start operation Push once again ...

Страница 126: ...mites tobacco smoke and allergy causing pollen Replace the Air Purifying Filter once every 3 months 7 12 7 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 8 Self Diagnosis Digital Display The microcomputer cont...

Страница 127: ...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 128: ...ler 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 switch...

Страница 129: ...o 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 130: ... 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 131: ...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 132: ...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 133: ...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 134: ...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 135: ...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 136: ...ection 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 OF...

Страница 137: ... 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 138: ...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 139: ...Indoor Unit SkyAir Models SiAU18 715 126 Function ...

Страница 140: ...ing Mode 143 4 Field Setting for SkyAir Indoor Unit 152 4 1 Explanation 152 4 2 Field Setting 153 4 3 Initial Setting Contents 154 4 4 Local Setting Mode Number 155 4 5 Detailed Explanation of Setting Modes 156 4 6 Centralized Group No Setting 160 4 7 Maintenance Mode Setting 161 5 Test Operation and Field Setting for RA Indoor Unit 162 5 1 Test Operation from the Remote Controller 162 5 2 Jumper ...

Страница 141: ...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 142: ...y 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 an...

Страница 143: ...o of Indoor Unit Has Been Changed or Indoor BP or Outdoor Unit PCB 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 OFF...

Страница 144: ...valves 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 refriger...

Страница 145: ...Confirm 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 ...

Страница 146: ...SiAU18 715 Outdoor Unit PCB Layout Test Operation 133 2 Outdoor Unit PCB Layout Outdoor Unit PCB Caution Cover electric parts with an insulating sheet during inspection to prevent electric shock ...

Страница 147: ...tory set DS1 2 ON Not used Do not change the factory settings OFF Factory set Connect the cool heat selector optional accessory to the terminals A B and C on the outdoor PC board A4P Set the cool heat selector switch DS1 1 from IN inside which is selected at the factory before shipment to OUT outside A B C A B C A4P A2P Cool heat selector DS1 1 switch knob OUT IN ON OFF DS1 1 2 C H SELECTOR Cool h...

Страница 148: ...etting Please Attach the Capacity Setting Adapter corresponding to Capacity Class ex 112 140 160 in connector X51A See Below Capacity Setting Adapter Capacity Class 4 112 5 140 6 160 CAPACITY SETTING ADAPTER for 100 J112 CAPACITY SETTING ADAPTER for 125 J140 CAPACITY SETTING ADAPTER for 140 J160 Position of Attaching the Capacity Setting Adapter X51A Position of Attaching the Capacity Setting Adap...

Страница 149: ... SET 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 conditio...

Страница 150: ... MODE BS1 button to set the system to Setting mode 1 Normally Setting mode 1 is set In case of other status push MODE BS1 button one time and set to Setting mode 1 Check the system for each condition through LED displays Refer to information in table on the right Pushing the RETURN BS3 button will bring the system to the initial state of Setting mode 1 7 7 7 7 7 7 9 7 7 7 9 7 7 7 9 7 7 7 7 7 7 8 O...

Страница 151: ...me low noise operation start setting Sets starting time of nighttime low noise operation Night time low noise setting is also required 27 Night time low noise operation end setting Sets ending time of nighttime low noise operation Night time low noise setting is also required 28 Power transistor check mode Check after disconnection of compressor wires Used for trouble diagnosis of DC compressor Si...

Страница 152: ...Tc setting 8 7 7 8 7 7 8 High 8777877 Normal factory setting 8777787 Low 8777778 10 Defrost changeover setting 8 7 7 8 7 8 7 Quick defrost 8777877 Normal factory setting 8777787 Slow defrost 8777778 12 External low noise demand setting 8 7 7 8 8 7 7 External low noise demand NO 8777778 External low noise demand YES 8777787 13 Airnet address 8 7 7 8 8 7 8 Address 0 8777777 Binary number 1 8777778 6...

Страница 153: ...r lower 8777877 26 Night time low noise operation start setting 8 7 8 8 7 8 7 About 20 00 8777778 About 22 00 factory setting 8777787 About 24 00 8777877 27 Night time low noise operation end setting 8 7 8 8 7 8 8 About 6 00 8777778 About 7 00 8777787 About 8 00 factory setting 8777877 28 Power transistor check mode 8 7 8 8 8 7 7 OFF 8777778 ON 8777787 29 Capacity precedence setting 8 7 8 8 8 7 8 ...

Страница 154: ...de table Refer page 319 15 Contents of malfunction 1 cycle before 8 7 7 8 8 8 8 16 Contents of malfunction 2 cycle before 8 7 8 7 7 7 7 20 Contents of retry the latest 8 7 8 7 8 7 7 21 Contents of retry 1 cycle before 8 7 8 7 8 7 8 22 Contents of retry 2 cycle before 8 7 8 7 8 8 7 25 Normal judgment of outdoor units PC board 9 7 8 8 7 7 8 Lower 2 digits 87 Abnormal 78 Normal 77 Unjudgement EMG ope...

Страница 155: ...er which translates to 16 4 2 22 base 10 number In other words the address is 22 The number of terminal blocks for No 12 and 13 is expressed as an 8 digit binary number which is the combination of four upper and four lower digits for No 12 and 13 respectively 0 128 In d the address for No 12 is 0101 the address for No 13 is 0110 and the combination of the two is 01010110 binary number which transl...

Страница 156: ... check operation CHANGEOVER UNDER CONTROL is flashing in all connected remote controllers Select an indoor unit to be used as the master unit in accordance with the request from the customer It is recommended to select an indoor unit which will be used most often as the master unit Press the operation mode selector button in the remote controller of the indoor unit selected as the master unit In t...

Страница 157: ...ely for Each Outdoor Unit System by Cool Heat Switching Remote Controller It does not matter whether or not there is outdoor outdoor unit wiring Set outdoor unit PC board DS1 1 to OUT factory set Set cool heat switching to IND individual for Setting mode 1 factory set ...

Страница 158: ...ile in Setting mode 2 select the setting condition i e 20 00 22 00 or 24 00 for set item No 26 Setting of start time of nighttime low noise operation Use the start time as a guide since it is estimated according to outdoor temperatures 3 If necessary while in Setting mode 2 select the setting condition i e 06 00 07 00 or 08 00 for set item No 27 Setting of end time of nighttime low noise operation...

Страница 159: ...select the set item No 30 Setting of Demand 1 level and then set the setting condition to targeted mode Image of operation Set item Condition Content Demand Mode 1 The compressor operates at approx 60 or less of rating Mode 2 The compressor operates at approx 70 or less of rating Mode 3 The compressor operates at approx 80 or less of rating V3082 The power consumption set with Demand 1 level setti...

Страница 160: ...on c In setting 1 push and hold the BS1 MODE button for more than 5 seconds Setting mode 2 is entered and H1P lights d Push the BS2 SET button several times and match the LED display with the Setting No you want e 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 on next...

Страница 161: ...z z 9 9 26 Night time low noise start setting z z z PM 8 00 z z z z z 9 PM 10 00 Factory setting z z z z 9 z PM 0 00 z z z 9 z z 27 Night time low noise end setting z z AM 6 00 z z z z z 9 AM 7 00 z z z z 9 z AM 8 00 Factory setting z z z 9 z z 29 Capacity precedence setting z z Low noise precedence Factory setting z z z z z 9 Capacity precedence z z z z 9 z 30 Demand setting 1 z z 60 of rated pow...

Страница 162: ...hose to the service port for additionally charging the refrigerant In the stopped status set to ON the refrigerant additional charging operation A in The operation is automatically started The LED indicator H2P flickers and Test run and Under centralized control are displayed in the remote controller After charging the specified quantity of refrigerant press the RETURN button BS3 to stop the opera...

Страница 163: ...ion d Collect the refrigerant using a refrigerant recovery unit See the instruction attached to the refrigerant recovery unit for more detal e Press Mode button BS1 once and reset Setting Mode 2 3 2 5 Setting of Vacuuming Mode In order to perform vacuuming operation at site fully open the expansion valves of indoor and outdoor units and turn on some solenoid valves Operating procedure c In Setting...

Страница 164: ...gree of electronic expansion valve Unit stopping Press the TEST button for 5 seconds 10 sec to 10 minutes LED display H1P H7P 8 ON 3 OFF 9 BLINK 3383333 3933338 Pressure equalizing Step 1 20 sec to 2 minutes 10 minutes 3 minutes 15 minutes 3933383 Cooling start control Step 2 3933388 3933888 Stability waiting operation Step 3 Refrigerant over charge judgment Step 7 Stop valve close check Wrong wir...

Страница 165: ... 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 166: ...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 167: ... 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 ...

Страница 168: ...erating 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 ...

Страница 169: ...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 170: ...e 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 control...

Страница 171: ... 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 settin...

Страница 172: ...n 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 173: ... 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 th...

Страница 174: ... 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 S...

Страница 175: ... 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 176: ...on 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 177: ...Test Operation and Field Setting for RA Indoor Unit SiAU18 715 164 Test Operation ...

Страница 178: ...em Configuration 166 1 1 Operation Instructions 166 2 Instruction 167 2 1 RMK X S Series 167 2 2 Wall Mounted Duct Floor Ceiling Type 168 2 3 FVXS Series 224 2 4 Ceiling Mounted Cassette Type 254 2 5 Ceiling Mounted Built in Type 276 2 6 Ceiling Suspended Type 286 ...

Страница 179: ...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 180: ...ction 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 1 minutes after shutdown The time of continued operation d...

Страница 181: ...eration 200 202 TIMER Operation 1 204 204 Note for Multi System 206 206 Care Care and Cleaning 208 211 Trouble Shooting Trouble Shooting 221 221 Drawing No 3P194539 2 3P194539 3 3P194539 1 Model Series Duct Connected Type Floor Ceiling Suspended Dual Type CDKS25 35 50 60C FDXS25 35 50 60C CDK X S25 35E FLXS25 35 50 60B Read before Operation Safety Precautions 169 169 169 Names of Parts 177 177 180...

Страница 182: ...erant 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 ca...

Страница 183: ...e Incomplete draining may cause wetting of the building furniture etc 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 or anything else on top of the unit Water may pene trate into the unit and degrade electrical insulations resulting in an electric shock To install ...

Страница 184: ...SiAU18 715 Instruction Operation Manual 171 2 2 3 Names of Parts FTK X S 20 D FTK X S 25 35 E Names of parts Indoor Unit ON OFF 16 14 13 15 12 1 3 4 5 7 9 10 11 8 6 2 ...

Страница 185: ...to 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 be...

Страница 186: ... 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 187: ...Instruction SiAU18 715 174 Operation Manual FTK X S 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 188: ...en you use HOME LEAVE Operation page 16 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 beep beep Sett...

Страница 189: ...t 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 button...

Страница 190: ...SiAU18 715 Instruction Operation Manual 177 CDKS 25 35 50 60 C FDXS 25 35 50 60 C CDK X S 25 35 E Names of parts Indoor Unit 1 2 5 7 6 8 9 10 4 3 ...

Страница 191: ...eration lamp green 8 TIMER lamp yellow 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 Dra...

Страница 192: ...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 CANC...

Страница 193: ...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 194: ...switch 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 be...

Страница 195: ...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 196: ...f the same type and 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 Do not use manganese batteries The attached batteries are provided for the initial use of the system The usable ...

Страница 197: ...ach the unit 2 Fix the holder to a wall a pillar etc with the screws supplied with the holder 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 s...

Страница 198: ... not going to use the air 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 TEMP ON OFF POWERFUL MODE FAN SWING SENSOR ECONO MOLDPROOF TIMER ON CANCEL OFF QUIET 1 3 2 Recommended temperature setting For cooling 26 ...

Страница 199: ...lect 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 ...

Страница 200: ...ets 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 performanc...

Страница 201: ... 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 202: ... 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 ...

Страница 203: ... 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 TIME...

Страница 204: ...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 205: ... 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 206: ...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 207: ...RFUL Operation cannot be used together with ECONO or 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 capacity of outdoor unit must be i...

Страница 208: ...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 tim...

Страница 209: ...ation 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 b...

Страница 210: ... 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 211: ...ate 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 Home...

Страница 212: ... will 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 th...

Страница 213: ...NTELLIGENT 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 n...

Страница 214: ...it 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 keep heating units or humidifiers outs...

Страница 215: ... 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 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 normal operation ...

Страница 216: ...nit 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 outsi...

Страница 217: ...nges 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 the unit via the ON OFF Timer the...

Страница 218: ... 10 minutes Holding down either but ton 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 A...

Страница 219: ... Mode requires 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 i...

Страница 220: ...nd D are all operating If the unit in Room A enters POWERFUL operation operation capacity will be concentrated in Room A In such a case the cooling heating efficiency of the units in Rooms B C and D may be slightly reduced 3 Priority when using OUTDOOR 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 ...

Страница 221: ...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 222: ...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 Maintenance 1 Remove dust with a vacuum cleaner an...

Страница 223: ... 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 224: ...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 225: ...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 226: ...annot 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 ai...

Страница 227: ...ergent or hot water to avoid filter shrinking or deformation After cleaning dry them in the shade 3 Replacing the air filter Rear suction Hook the filter behind the flap situated at the top of the unit and push the other side gently over the 3 bends Bottom suction Hook the filter behind the flap situated at the middle of the unit and push the other side gently over the 3 bends Only a qualified ser...

Страница 228: ... room before you use the fan operation Do not operate the air conditioner without filters this to avoid dust accummulation 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 powder liquid insecticide It may cause discoloring or warping Do not let the indoor unit get wet It may cause an electric ...

Страница 229: ...t water to avoid filter shrinking or deformation After cleaning dry them in the shade 3 Replacing the air filter Rear suction Hook the filter behind the flap situated at the top of the unit and push the other side gently over the bends Bottom suction Hook the filter behind the flap situated at the middle of the unit and push the other side gently over the bends Only a qualified service person is a...

Страница 230: ... 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 powder liquid insecticide It may cause discoloring or warping Do not let the indoor unit get wet It may cause an electric shock or a fire Opera...

Страница 231: ...dicated 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 ...

Страница 232: ...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 233: ...rom 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 ...

Страница 234: ...ion In COOL or DRY mode Moisture in the air condenses into water on the cool surface of outdoor unit piping and drips Mist comes 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 This is because the air in the room is cooled by the heat exchanger and becomes mist during defrost operation The indoor unit gives out odour Th...

Страница 235: ...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 An abnormal functioning happens during operation The air conditioner may malfunction with lightning or radi...

Страница 236: ...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 237: ... may be leaking so call your dealer When carrying out repairs accompanying adding refrigerant 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...

Страница 238: ...e etc Do not place objects in direct proximity of the outdoor unit and do not let leaves 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 malfunctions 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 wa...

Страница 239: ...top the operation and turn the breaker OFF Do not touch the metal parts on the inside of the indoor unit as it may result in injury 1 2 6 5 2 4 7 8 3 9 12 10 11 13 14 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 recom...

Страница 240: ...peration mode refers to the following table This switch is useful when the remote controller is missing 12 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 13 Air outlet selection switch page 13 14 Room temperature sensor It senses the air temperature arou...

Страница 241: ...ts the operation mode AUTO DRY COOL HEAT FAN page 10 8 QUIET button OUTDOOR UNIT QUIET operation page 15 9 ECONO button ECONO operation page 16 10 SWING button Adjusting the Air Flow Direction page 12 11 WEEKLY button WEEKLY TIMER operation page 19 12 PROGRAM button WEEKLY TIMER operation page 19 13 COPY button WEEKLY TIMER operation page 19 14 BACK button WEEKLY TIMER operation page 19 15 NEXT bu...

Страница 242: ...s of the same type and 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 alkaline batteries Using manganese batteries reduces the lifespan The attached batteries are provided for the initial use of t...

Страница 243: ...blinks 4 Press SELECT button to set the clock to the present time Holding down or button rapidly increases or decreases the time display 5 Press CLOCK button Always point the remote controller at the indoor unit when pushing the buttons when setting the indoor unit s internal clock blinks NOTE If the indoor unit s internal clock is not set to the correct time the WEEKLY TIMER will not operate punc...

Страница 244: ...owing conditions Operation outside this humidity or temperature range may cause a safety device to disable the system Recommended temperature setting For cooling 26 C 28 C For heating 20 C 24 C Mode Operating conditions If operation is continued out of this range COOL Outdoor temperature 3MXS 5 to 46 C 4MXS 10 to 46 C 3 4MKS 10 to 46 C RXS 10 to 46 C Indoor temperature 18 to 32 C Indoor humidity 8...

Страница 245: ... button and select 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 vari...

Страница 246: ...gets 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 performan...

Страница 247: ...stop moving disappears from the LCD To adjust the vertical blades 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 fl...

Страница 248: ...AUTION 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 tem perature is equalized At start of operation or other times when the room is not fully cooled Air is blown from the upper and lower air outlets f...

Страница 249: ...D NOTE Notes on POWERFUL operation POWERFUL Operation cannot be used together with ECONO or 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...

Страница 250: ... UNIT QUIET operation 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 time Priority is given to the function of whichever button is pressed last If operation is stopped using the remote controller or the main unit ON OFF switch when If using a multi system this function w...

Страница 251: ... when the unit is running Pressing the operation 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 Prior...

Страница 252: ...y 10 minutes 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 ...

Страница 253: ... minutes Holding down 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...

Страница 254: ...nk The time can be set between 0 00 and 23 50 in 10 minute intervals Press BACK button to return to the mode setting 3 5 1 2 4 6 ON TIMER OFF TIMER no setting To use WEEKLY TIMER operation Make sure the day of the week and time are set If not set the day of the week and time page 8 The following procedure is to make a reservation on Monday for Tuesday 6 00 am 27 C 1 Press button The day of the wee...

Страница 255: ...e time setting press BACK button The set temperature is only displayed when the mode setting is on 9 Press NEXT button The temperature will be set The temperature will be set and go to the next reservation setting Set the following using the same procedures 10 Press button to complete the setting Point the remote controller toward the air conditioner and press the buttons to operate The air condit...

Страница 256: ...rding to the procedures Only the time and set temperature set with the weekly timer are sent with the button Set the weekly timer only after setting the operation mode the fan strength and the fan direction ahead of time Up to 4 settings per day and up to 28 settings per week can be reserved with WEEKLY TIMER If a reservation deactivated with WEEKLY button is activated once again the last reservat...

Страница 257: ...ion confirmation complete Canceling all reservations 4 Hold the WEEKLY button for 5 seconds Be sure to direct the remote control toward the main unit and check for a receiving tone This operation is not effective while WEEKLY TIMER is being set All reservations will be canceled Canceling individual reservations This function can be used for canceling reservations for each day of the week It can be...

Страница 258: ... Press COPY button The reservation will be copied to the selected day of the week The whole reservation of the selected day of the week will be copied The reservation can be copied to another day of the week in succession 6 Press button Exit copy mode NOTE COPY MODE The entire reservation of the source day of the week is copied in the copy mode Detailed settings can be made after the copy is compl...

Страница 259: ...requires 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...

Страница 260: ... and D are all operating If the unit in Room A enters POWERFUL operation operation capacity will be concentrated in Room A In such a case the cooling heating efficiency of the units in Rooms B C and D may be slightly reduced 3 Priority when using OUTDOOR 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 conditione...

Страница 261: ... front panel Insert the front panel into the grooves of the unit 3 places Attach the string to the right inner side of the front grille Close the panel slowly 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 and watch your steps carefully When removing or attaching...

Страница 262: ...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 2 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 Vacuum dusts and soa...

Страница 263: ...Air Purifying Filter contact to the service shop there you bought the air conditioner Dispose of old filters as 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 inlets and 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 opera...

Страница 264: ...ion In COOL or DRY mode Moisture in the air condenses into water on the cool surface of outdoor unit piping and drips Mist comes 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 This is because the air in the room is cooled by the heat exchanger and becomes mist during defrost operation The indoor unit gives out odour Th...

Страница 265: ...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 An abnormal functioning happens during operation The air conditioner may malfunction with lightning or radi...

Страница 266: ... 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 while Li...

Страница 267: ...5 254 Operation Manual 2 4 Ceiling Mounted Cassette Type 2 4 1 FFQ 25 35 50 60 B 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 268: ...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 269: ...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 270: ...a 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 dea...

Страница 271: ...op 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 avail...

Страница 272: ...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 273: ...e 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 prog...

Страница 274: ...ffold 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 ...

Страница 275: ...item 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 ma...

Страница 276: ...peration 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 a...

Страница 277: ...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 278: ...SiAU18 715 Instruction Operation Manual 265 2 4 2 FCQ 35 50 60 71 B 1 1 3 4 2 2 9 10 3 1 4 5 6 7 13 14 15 16 17 18 19 20 21 11 8 12 a b c d d e f g h j i C hr H C hr hr TEST NOT AVAILABLE L H ...

Страница 279: ...stem provides two other control systems beside individual control one remote controller con trols one indoor unit system Confirm the following if your unit is of the following control system type Group control system One remote controller controls up to 16 indoor units All indoor units are equally set Two remote controllers control system Two remote controllers control one indoor unit In case of g...

Страница 280: ...h repairing the por tion where the refrigerant leaks 2 SAFETY CONSIDERATIONS For refrigerant leakage consult your dealer When the air conditioner is to be installed in a small room it is necessary to take proper mea sures so that the amount of any leaked refriger ant does not exceed the limiting concentration even when it leaks If the refrigerant leaks exceeding the level of limiting concentration...

Страница 281: ...lated place where there are no obstacles around Do not use the air conditioner in the following places a Filled with much mineral oil such as cutting oil b Where there is much salt such as a beach area c Where sulfured gas exists such as a hot spring resort d Where there are considerable voltage fluctua tions such as a factory or plant e Vehicles and vessels f Where there is much spray of oil and ...

Страница 282: ... function is not available pressing the button may display the words NOT AVAILABLE for a few seconds 13 TIMER MODE START STOP BUTTON Refer to PROGRAM TIMER OPERATION hr hr C Refer to figure 1 on page 1 Operating 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...

Страница 283: ... combina tion 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 the air conditioner reaches a certain level At this time the remote controller displays Leave it as it stands and wait for a while ...

Страница 284: ...is higher than the set temperature At defrost opera tion PROGRAM TIMER OPERATION swing TIMER MODE START STOP Press the TIMER MODE START STOP button several times and select the mode on the display The display flashes For setting the timer stop For setting the timer start PROGRAMMING TIME Press the PROGRAMMING TIME button and set the time for stopping or starting the sys tem When this button is pre...

Страница 285: ... BEFORE OBTAINING ACCESS TO TERMINAL DEVICES ALL POWER SUPPLY CIRCUITS MUST BE INTERRUPTED To clean the air conditioner be sure to stop oper ation and turn the power switch off Otherwise an electric shock and injury may result Do not wash the air conditioner with water Doing so may result in an electric shock Be careful with a scaffold or staging Caution must be exercised because of work at a high...

Страница 286: ...ay cause discolor ing or warping Do not let the indoor unit get wet It may cause an electric shock or a fire Do not scrub firmly when washing the blade with water The surface sealing may peel off Do not use water or air of 50 C or higher for clean ing air filters and outside panels Fig 3 HOW TO CLEAN THE SUCTION GRILLE 1 Open the suction grille Push it downward slowly while pressing the but tons p...

Страница 287: ...D CONTROL and it flashes for a few seconds after pressing an operation button This is because the system is under centralized control Flashes on the display indicates that the system cannot be controlled by the remote con troller 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 288: ... 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 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 operati...

Страница 289: ...Instruction SiAU18 715 276 Operation Manual 2 5 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 290: ...tion 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 ...

Страница 291: ... 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 292: ... 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 pe...

Страница 293: ...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 294: ... 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 a...

Страница 295: ...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 296: ... 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 297: ...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 298: ...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 299: ...Instruction SiAU18 715 286 Operation Manual 2 6 Ceiling Suspended Type ...

Страница 300: ...peration manual If your installation has a customized control system ask your Daikin dealer for the operation that corre sponds to your system Heat pump type This system provides cooling heating automatic program dry and fan operation modes Cooling only type This system provides cooling program dry and fan operation modes PRECAUTIONS FOR GROUP CONTROL SYSTEM OR TWO REMOTE CONTROLLER CONTROL SYSTEM...

Страница 301: ...ing etc unplug the power cord from the outlet and contact the dealer where you purchased the air conditioner Continued operation under such circumstances may result in a failure electric shock and fire Ask your dealer for installation of the air con ditioner Incomplete installation performed by yourself may result in a failure a water leakage electric shock and fire Ask your dealer for improvement...

Страница 302: ...d plants directly to the wind from the air conditioner Adverse influence to animals and plants may result Do not wash the air conditioner with water Electric shock or fire may result Do not install the air conditioner at any place where flammable gas may leak out If the gas leaks out and stays around the air con ditioner a fire may break out Execute complete drain piping for perfect drainage Incom...

Страница 303: ...ulb 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 place where there are no obstacles around Do not use the air conditioner in the following places a Filled with much mineral oil such as cutting oil b Where there is much salt such as a beach area...

Страница 304: ...ess the button and the system will start Press the button again and the system will stop 2 OPERATION LAMP RED The lamp lights up during operation 3 DISPLAY UNDER CENTRALIZED 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 accessori...

Страница 305: ... is below 16 C 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 OPERATION As the frost on the coil of an outdoor unit increase heating effect decreases and the system goes into DEFROST OPERATION The indo...

Страница 306: ...following conditions micro computer con trols the air flow direction so it may be different from the display Operation mode includes automatic operation B LEFT AND RIGHT DIRECTION Adjusting air flow direction in the left and right direction Refer to Fig 1 NOTE Only make adjustments after you have stopped the air flow direction swing in a position where adjustments are possible Your hand may get ca...

Страница 307: ...r 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 2 3 7 OPTIMUM OPERATION 1 3 Turn off the main power supply switch when it is not used for long periods of time When the main power switch is turned on some watts of electricity is being used even if the system is not operatin...

Страница 308: ...nd or deformation Do not expose it to fire as doing so may result in burning 4 Fix the air filter Set the hatch of the air filter to the fook of the suction grille and fix the air filter Refer to Fig 5 5 Close the suction grille Refer to item No 1 6 After turning on the power press FILTER SIGN RESET BUTTON The TIME TO CLEAN AIR FILTER display van ishes HOW TO CLEAN AIR OUTLET AND OUTSIDE PANELS Cl...

Страница 309: ... original place after cleaning Refer to MAINTENANCE The following symptoms do not indicate air condi tioner malfunction I THE SYSTEM DOES NOT OPERATE The system does not restart immediately after the ON OFF BUTTON is pressed If the OPERATION lamp lights the system is in normal condition It does not restart immediately because a safety device operates to prevent overload of the sys tem After 3 minu...

Страница 310: ...NIT When humidity is high during cooling opera tion In oily or dusty places If the inside of an indoor unit is extremely contam inated the temperature distribution inside a room becomes uneven It is necessary to clean the inside of the indoor unit Ask your Daikin dealer for details on cleaning the unit This operation requires a qualified service person When the system is changed over to HEATING OP...

Страница 311: ...10 TROUBLE SHOOTING OPERATION lamp INSPECTION display MALFUNCTION CODE INDOOR UNIT No in which a malfunction occurs UNIT No C L H Check if the breaker is blown Turn the power on with the breaker switch in the off position Do not turn the power on with the breaker switch in the trip position Contact your dealer 2 If the system stops operating after operating the system Check if the air inlet or out...

Страница 312: ...tor or Related Abnormality Indoor Unit 327 4 5 Check 328 5 Troubleshooting for SkyAir Indoor Unit 331 5 1 Indoor Unit PCB Abnormality 331 5 2 Malfunction of Drain Water Level System Float Type 332 5 3 Malfunction of Drain System 334 5 4 Indoor Unit Fan Motor Lock 335 5 5 Malfunction of Indoor Unit Fan Motor 336 5 6 Swing Flap Motor Malfunction Lock 338 5 7 Malfunction of Capacity Setting 340 5 8 M...

Страница 313: ...21 Inverter Start up Error 380 7 22 Malfunction of Transmission between Inverter and Control PCB 381 7 23 High Voltage of Capacitor in Main Inverter Circuit 382 7 24 Malfunction of Inverter Radiating Fin Temperature Rise Sensor 383 7 25 Faulty Combination of Inverter and Fan Driver 384 7 26 Low Pressure Drop Due to Refrigerant Shortage or Electronic Expansion Valve Failure 385 7 27 Power Supply In...

Страница 314: ...When a signal transmission error occurs between the indoor and outdoor units In either case conduct the diagnostic procedure described in the following pages Location of Operation Lamp In case of In case of FTK X S 20 D Series FTK X S 50 60 71 F Series FTK X S 25 35 E Series In case of FDXS 25 35 50 60 Series CDXS 25 35 50 60 Series In case of FVXS 25 35 50 F Series In case of FLXS 25 35 50 60 B S...

Страница 315: ...ay blinks entering INSPECTION mode 2 In the INSPECTION 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 hal...

Страница 316: ...green LED indicates normal equipment 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 LED A HAP 3P187671 ...

Страница 317: ...RMALLY FLASHING OFF NORMAL ABNORMALITY CHECK INTER UNIT WIRING ON MALFUNTION DETECTION IRRELEVANT NORMALLY OFF LED B GREEN MICROCOMPUTER NORMAL LED A ABNORMALITY CHECK INTER UNIT WIRING NOTES 1 TURN THE POWER OFF THEN ON AGAIN IF THE LED DISPLAY RECURS THE BRANCH PROVIDER UNIT PCB IS FAULTY 2 TURN THE POWER OFF AND THEN ON AGAIN IF THE LED DISPLAY RECURS TURN THE POWER OFF AND DISCONNECT LINE 2 OF...

Страница 318: ...d 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 U2 9 C9 20 J6 31 UH 10 U0 21 U...

Страница 319: ... long beep 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 13 C7 25 UA 2 U4 14 A3 26 UH 3 L5 15 H8 27 P4 4 E6 16 H9 28 L3 5 H6 17 C9 29 L4 6 H0 18 C4 30 H7 7 A6 19 C5 31 U2 8 E7 20 J3 ...

Страница 320: ...k 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 un...

Страница 321: ... by the sound pi The both numbers of tens and units do 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 7 Determine the error code The digits indicated when you hear the beep sound are error code 8 Exit from the diagnosis mode Press the MODE button R4277 R4278 ...

Страница 322: ...fer to the indicated page 00 Indoor unit in normal condition Conduct a diagnosis of the outdoor unit A1 Indoor unit PCB abnormality 321 A5 Freeze up protection control or high pressure control heat pump model only 322 A6 Fan motor or related abnormality AC motor Duct Floor Ceiling 324 DC motor Wall Floor 325 C4 Heat exchanger thermistor or related abnormality 327 C9 Room temperature thermistor abn...

Страница 323: ...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 324: ...unction 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 315 for malfunction code and malfunction contents ...

Страница 325: ...4 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 cod...

Страница 326: ...SiAU18 715 Service Check Function Troubleshooting 313 ...

Страница 327: ... units connected to this system 347 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 302 331 4 3 5 A3 Malfunction of drain water level sys...

Страница 328: ...f DC fan 2 motor lock Malfunction of electronic expansion valve EV1 E9 EV3 Faulty sensor of outdoor air temperature Faulty Ta sensor short H9 Abnormal discharge pipe temperature Abnormal Td F3 Abnormal heat exchanger temperature Refrigerant over charge F6 Faulty sensor of discharge pipe temperature Faulty Tdi sensor short J3 Faulty sensor of suction pipe temperature Faulty Ts1 sensor short J5 Faul...

Страница 329: ...7 7 9 7 7 9 9 J3 9 7 9 9 7 9 7 7 9 9 9 7 7 7 7 9 7 7 1 J5 9 7 9 7 9 9 7 7 7 7 9 7 7 9 7 7 7 7 9 7 9 J6 9 7 9 9 7 9 7 7 7 7 9 7 7 J7 9 7 9 9 9 9 7 7 7 7 9 7 7 J9 9 9 7 7 9 9 7 7 7 7 9 7 7 JA 9 9 7 9 7 9 7 7 7 7 9 7 7 JC 9 9 9 7 7 9 7 7 7 7 9 7 7 L1 9 7 9 9 9 9 7 7 7 9 9 7 7 7 7 9 7 7 7 7 9 7 7 7 9 9 7 7 7 7 9 7 7 7 9 9 7 7 7 9 9 7 7 7 7 9 7 7 9 7 9 7 7 7 9 9 7 7 7 7 9 7 7 9 9 9 7 7 7 9 9 7 7 7 7 9 ...

Страница 330: ...Contents of malfunction Malfunction code Open phase Power supply imbalance Imbalance of inverter power supply voltage P1 Faulty temperature sensor of inverter radiation fin Faulty thermistor of inverter fin P4 Gas shortage Gas shortage alarm U0 Abnormal power supply voltage Insufficient Inverter voltage U2 Faulty charge of capacitor in main inverter circuit Malfunction due to SP PAM overvoltage Ma...

Страница 331: ...7 9 7 7 9 9 U2 9 7 7 9 7 9 7 7 7 7 9 7 7 1 9 7 7 7 7 7 9 9 7 7 7 7 9 7 7 9 7 9 7 7 7 7 9 7 7 7 9 U3 9 7 7 9 9 9 7 7 7 7 9 7 7 9 9 9 7 7 7 7 9 7 9 9 9 U4 9 7 9 7 7 9 7 7 7 7 9 7 7 9 9 9 7 7 7 7 9 7 9 9 9 U9 9 9 7 7 9 9 7 7 7 7 9 7 7 9 9 UA 9 9 7 9 7 9 7 7 7 7 9 7 7 9 9 9 7 7 7 7 9 7 9 9 9 9 7 7 7 7 9 9 7 9 9 9 7 7 7 9 9 7 7 9 9 9 7 7 9 7 9 7 9 9 9 UH 9 9 7 9 9 9 7 7 7 7 9 7 7 9 9 UF 9 9 9 9 9 9 7 7...

Страница 332: ... E1 PC board defect E2 PROM defect 357 E2 Faulty BP unit PCB 351 E3 Actuation of high pressure switch 358 E4 Actuation of low pressure switch 360 E5 Compressor motor lock 362 E6 Standard compressor lock or over current E7 Malfunction of outdoor unit fan motor 363 E9 Malfunction of moving part of electronic expansion valve Y1E 3E 364 F3 Abnormal discharge pipe temperature 366 F6 Refrigerant overcha...

Страница 333: ...ction of transmission between indoor and outdoor units etc 353 390 U5 Malfunction of transmission between remote controller and indoor unit 345 392 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 main and sub remote controllers 346 U9 Malfunction of transmission betwe...

Страница 334: ...ous seconds Supposed Causes Faulty indoor unit PCB Faulty connector connection Troubleshooting Note Connector Nos vary depending on models Control connector Connector connection check note Is it normal YES NO R7130 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Correct connections Replace PCBs Model Type Connector No Wall Mounted Typ...

Страница 335: ... 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 336: ... connect or disconnect connector or parts damage may be occurred 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 Does it conform to the thermistor characteristic chart Check the intake air filter Check the dust accumulation on the indoor unit heat exchanger Is there any short circuit Is it v...

Страница 337: ...to faulty capacitor of the fan motor Detection error due to faulty control PCB Troubleshooting Check No 16 Refer to P 330 NO NO NO Check No 16 Check Hall IC NO NO NO YES YES YES YES YES YES R7132 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Replace the fan motor or control PCB Replace the fan motor Replace control PCB Measure the v...

Страница 338: ...lfunction 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 Operation halt d...

Страница 339: ...ff power switch before connect or disconnect connector or parts damage may be occurred Replace fan motor Replace indoor unit PCB 1 Wall or PCB 2 Floor Replace indoor unit PCB 1 Wall Replace indoor unit PCB 2 Note Motor may break when the motor connector is disconnected while remaining power supply Replace fan motor Replace indoor unit PCB 2 Replace indoor unit PCB 2 Replace fan motor Replace fan m...

Страница 340: ... 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 329 C4 Heat exchanger temperature thermistor C9 Room temperature thermistor YES R7134 NO Check No 06 Check the thermistor resistance value YES NO Caution Be sure to turn off power switch...

Страница 341: ...02 1 Check connector connection 2 Check motor control voltage output pins 2 1 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 Unused Unused Unused P 0V reference potential Motor control voltage 15 VDC Rotation command voltage 1 to ...

Страница 342: ... 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 343: ... 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 Æ faulty PCB Æ Replace the PCB Failure of 2 Æ faulty hall IC Æ Replace the fan motor Both 1 and 2 result Æ Replace the PCB The connector has 3 pins and there are two patterns of lead wire colors ...

Страница 344: ...onditions 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 YES NO Could be outside cause noise etc other than malfunction Indoor unit PCB replacement Q0531 Turn the power supply off once and then back on Normal reset Caution Be sure to turn of...

Страница 345: ...e 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 346: ...acement Indoor unit PCB replacement Q0532 Continuity check of short circuit connector Remove the float switch from X15A short circuit X15A and restart operation Set to emergency and check the voltage of X25A Is there continuity Is drain raising mechanism connected Is a drain pump connected to the indoor unit PCB Does the drain pump turn after restarting operation 220 240 VAC Is the drainwater leve...

Страница 347: ...l Is drain pump normal Is amount of circulated drain water excessive after pump stops operation Does drain water flow in reverse during nonoperation Possible failure of float switch Check to see if drain up height and horizontal pipe length exceed specifications Clogged drain water discharge system Replace indoor unit PCB Check jumper connector X15A Check drain pump and drain pipe Check water drai...

Страница 348: ...ven 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 Are X20A and X26A properly connected 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 ...

Страница 349: ...l 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 350: ...und the fan NO NO Does the resistance between U V W phases of fan motor balance each other Is there short circuit between U V W phases respectively YES Turn off the power supply Check No 01 Check for the fan motor connector Remove the foreign matter Connect correctly Replace the fan motor Replace the indoor unit PCB Caution Be sure to turn off power switch before connect or disconnect connector or...

Страница 351: ...tion 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 352: ...p motor swings when the power supply is turned back on 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 Disconnect X14A turn the power supply off once and back on and check if the limit switch has continuity when the power supply is turned back on Connect correctly Connect correctly Replace the indoor unit PCB Repla...

Страница 353: ...apacity 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 354: ...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 349 Connect correctly Heat exchanger sensor replacement If contact is OK replace indoor unit PCB NO NO YES YES Q0538 Disconnect the heat exchanger sensor R2T from X18A on the indoor unit PCB and measure the resistance Is the thermi...

Страница 355: ...ilure 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 349 Connect correctly Heat exchanger sensor replacement If contact is OK replace indoor unit PCB NO NO YES YES Q0539 Disconnect the heat exchanger sensor R3T from X17A on the indoor unit PCB and measure the resistance Is the ther...

Страница 356: ...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 349 Connect correctly Suction air temperature sensor replacement If contact is OK replace outdoor unit PCB NO NO YES YES Q0540 Disconnect the sunction air temperature sensor R1T from X19A on the indoor unit PCB and measure the resistance Is ...

Страница 357: ...mistor 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 349 Turn the power supply off once and then back on Is CJ displayed on the remote controller Replace remote controller Could be outside cause noise etc other than malfunctio...

Страница 358: ... 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 NO YES YES YES YES YES...

Страница 359: ...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 360: ... NO YES Turn the power supply off once and back on to restart NO Are the wirings between indoor and BP unit correctly connected Are the wirings between indoor and BP unit correctly connected NO YES Is 220 240 VAC between No 1 and 3 of X2M terminal indoor unit YES Is the remote controller connected to one or more indoor units NO YES Is the remote controller wiring jumped between indoor units NO Q05...

Страница 361: ...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 362: ... 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 58 0 5 ...

Страница 363: ...ion valve Incorrect connectors connection of electronic expansion valve Troubleshooting 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 Q0545 NO YES NO Turn the power supply off once and then back on Is malfunction re generated YES YES Is the electronic expansion valve coil co...

Страница 364: ... 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 YES Return to normal 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 365: ...quid 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 NO Is the resistance normal referring to the table below Q0547 Disconnect the thermistor connectors from the corresponding BP PCB...

Страница 366: ...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 367: ...ccur again Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred NO NO ON or OFF Check for indoor unit microcomputer normal HAP YES Faulty indoor unit PCB or malfunction of power supply system Resets normally Could result from external cause e g noise Faulty BP unit PCB or malfunction of power supply system Replace the connection wires betw...

Страница 368: ...er supply wave Troubleshooting Check No 14 Refer to P 356 YES Check the transmission wire and the connection orders Replace outdoor unit control PCB Could be outside causes other than errors Probe where the noise comes from and apply remedy required Probe the causes for deformation of power supply waveform and apply remedy required Replace outdoor unit control PCB NO Turn the power supply off Is i...

Страница 369: ...s 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 370: ...ould 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 YES Return to normal Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred External facto...

Страница 371: ...the high pressure protection switch opens Malfunction Decision Conditions Error is generated when the HPS activation count reaches the number specific to the operation mode Reference Operating pressure of high pressure switch Operating pressure 4 0MPa Reset pressure 3 0MPa Supposed Causes Actuation of outdoor unit high pressure switch Defect of High pressure switch Defect of outdoor unit PCB Insta...

Страница 372: ... normal The high pressure has really become high Check No 01 Referring to information on page 402 remove the causes by which the high pressure has become high High pressure sensor 5V 4 3 2 1 Rectify defective points if any Replace the HPS Replace the high pressure sensor Replace the main PCB 1 Make a comparison between the voltage of the pressure sensor and that read by the pressure gauge 3 Make m...

Страница 373: ...of Malfunction Detection Abnormality is detected by the pressure value with the low pressure sensor Malfunction Decision Conditions Error is generated when the low pressure is dropped under specific pressure Operating pressure 0 07MPa Supposed Causes Abnormal drop of low pressure Lower than 0 07MPa Defect of low pressure sensor Defect of outdoor unit PCB Stop valve is not opened ...

Страница 374: ...parts damage may be occurred 5V 4 3 2 1 Connector for low pressure sensor Micro controller A D input Make measurement of DC voltage between these wires Blue Red Black White Low pressure sensor Is the stop valve open Are the characteristics of the low pressure sensor normal See 1 Is the pressure detected with the PCB normal See 2 Open the stop valve Q0552 YES NO Replace the low pressure sensor YES ...

Страница 375: ...or lock High differential pressure 0 5MPa or more Incorrect UVW wiring Faulty inverter PCB Stop valve is left in closed Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Check the installation conditions Is the stop valve open Is the UVW wiring normal Is high differential pressure starting 0 5MPa or more Check and see wh...

Страница 376: ...ector 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 Check No 03 Refer to P 404 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Connector of fan motor is disconnected Is there any obstacle around the f...

Страница 377: ...cable Models AII outdoor unit models Method of Malfunction Detection Check disconnection of connector Check continuity of expansion valve coil Malfunction Decision Conditions Error is generated under no common power supply when the power is on Supposed Causes Defect of moving part of electronic expansion valve Defect of outdoor unit PCB A1P Defect of connecting cable ...

Страница 378: ... unit PC board A1P Normal when coil check 1 of the moving part of the electronic expansion valve is checked External factor other than malfunction for example noise etc Replace the connecting cable Replace outdoor unit PC board A1P Q0555 YES After connecting turn the power off and then back on again NO NO Replace the moving part of the electronic expansion valve NO YES YES YES NO V3067 Orange 1 Me...

Страница 379: ...ulty connection of discharge pipe temperature sensor Faulty outdoor unit PCB Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on P405 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Pull out the discharge pipe thermistor from the outdoor PCB and then make measurement of resistance using a multiple meter...

Страница 380: ...ercharge Misalignment of the thermistor for heat exchanger Defect of the thermistor for heat exchanger Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on P405 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Remove the heat exchanging deicer thermister from the outdoor PCB and measure resistance with a ...

Страница 381: ... open circuit Supposed Causes Defect of thermistor R1T for outdoor air Defect of outdoor unit PCB A1P Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on P405 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Connector is connected to X11A of outdoor PC board A1P Resistance is normal when measured after d...

Страница 382: ... thermistor is detected Supposed Causes Defect of thermistor R2T for outdoor unit discharge pipe Defect of outdoor unit PCB A1P Troubleshooting Refer to thermistor resistance temperature characteristics table on P405 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Connector is connected to outdoor unit PC board A1P Resistance is norma...

Страница 383: ... Supposed Causes Defect of thermistor R3T R5T for outdoor unit suction pipe Defect of outdoor unit PCB A1P Troubleshooting Refer to thermistor resistance temperature characteristics table on P405 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Connector of the thermistor for suction pipe1 2 is connected to outdoor unit PC board A1P Re...

Страница 384: ...hermistor 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 P405 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Connector is connected to outdoor unit PC board A1P Resistance is normal ...

Страница 385: ...rmistor is detected Supposed Causes Defect of thermistor R7T for outdoor unit liquid pipe Defect of outdoor unit PCB A1P Troubleshooting Refer to thermistor resistance temperature characteristics table on P405 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Connector is connected to outdoor unit PC board A1P Resistance is normal when ...

Страница 386: ...ed or open Supposed Causes Faulty subcooling heat exchanger gas pipe thermistor R6T Faulty outdoor unit PCB Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on P405 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 R6T from outdoor unit PC board nor...

Страница 387: ...re sensor with wrong connection Defect of outdoor unit PCB Troubleshooting 1 Voltage measurement point 2 Refer to Pressure Sensor pressure voltage characteristics table on P407 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred The high pressure sensor is connected to X17A of outdoor unit PC board A1P The relationship between the 1 VH an...

Страница 388: ... with wrong connection Defect of outdoor unit PCB Troubleshooting 1 Voltage measurement point 2 Refer to Pressure Sensor pressure voltage characteristics table on P407 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred The low pressure sensor is connected to X18A blue of outdoor unit PC board A1P The relationship between the 1 VL and low...

Страница 389: ...In case of overcurrent OCP during waveform output When the current sensor malfunctions during synchronized operation When overvoltage occurs in SP PAM In case of IGBT malfunction Supposed Causes Faulty outdoor PCB A1P IPM failure Current sensor failure SP PAM failure Failure of IGBT or drive circuit Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or ...

Страница 390: ...oubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Turn ON the power supply and then press the remote controller check button once The radiator fin temperature is supposed to have risen to 83 C or more Is the connector X111A of the fin thermistor properly connected to the outdoor PCB Is the malfunction code P4 displayed on ...

Страница 391: ...tual is displayed when the inverter output voltage is checked by tester Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Disconnect the connection between the compressor and inverter Make the power transistor check mode setting ON by service mode The compressor s coil is disconnected or the insulation is defective There is instanteniou...

Страница 392: ... the the connection between the compressor and inverter Make the power transistor check mode setting ON by service mode The secondary current of the inverter is higher than 24 9A 260 sec for each phase Compressor inspection The compressor s coil is disconnected After turning on again L8 blinks again Inverter output voltage check Inverter output voltage is not balanced Normal if within 5V Must be m...

Страница 393: ...h before connect or disconnect connector or parts damage may be occurred Disconnect the connection between the compressor and inverter Make the power transistor check mode ON by service mode The difference between high and low pressure when starting is above 0 2MPa After turning on again L9 blinks again Inverter output voltage check Inverter output voltage is not balanced Normal if within 5V Must ...

Страница 394: ...een the inverter microcomputer and outdoor control microcomputer Defect of outdoor unit PCB Defect of noise filter External factor Noise etc Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred The microcomputer monitor green on the outdoor unit PC board A1P is blinking Check the noise filter A3P for disconnection and check...

Страница 395: ...ion Decision Conditions When the aforementioned voltage waveform becomes identical with the waveform of the power supply open phase Supposed Causes Defect of main circuit capacitor Improper main circuit wiring Defect of outdoor unit PCB A1P Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Check for the connection of the...

Страница 396: ...it operation is continued P4 will be displayed by pressing the inspection button Supposed Causes Defect of radiator fin temperature sensor Defect of outdoor unit PC board A1P Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Disconnect the cable from the compressor and then check the compressor for the insulation resista...

Страница 397: ...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 P134 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Was the PCB replaced Is the PCB type correct Is the field setting when the PCB was repla...

Страница 398: ...etection Short of gas malfunction is detected by discharge pipe temperature thermistor and low pressure saturation temperature Malfunction Decision Conditions Microcomputer judge and detect if the system is short of refrigerant Malfunction is not decided while the unit operation is continued Supposed Causes Out of gas or refrigerant system clogging incorrect piping Defect of pressure sensor Defect...

Страница 399: ... 3 on main outdoor unit PC board A1P is 1 0 VDC or less Low pressure sensor output voltage 2 The suction pipe1 temp minus low pressure saturation temp is 20 C or higher Resistance is normal when measured with the thermistor R3T for suction pipe1 disconnected from the outdoor unit PC board 1 Out of gas closing of stop valve or refrigerant system is clogged Requires check of refrigerant Replace the ...

Страница 400: ...alfunction Detection Detection of voltage of main circuit capacitor built in the inverter and power supply voltage Malfunction Decision Conditions When the abnormal voltage of main circuit capacitor built in the inverter and abnormal power supply voltage are detected Supposed Causes Power supply insufficient Instantaneous power failure Defect of outdoor unit fan motor Defect of outdoor control PCB...

Страница 401: ...ly voltage 200 240V 10 Is the P N resistance not less than several hundred of ohms Check No 03 Is the resistance above standard value Is the measured voltage 220 VDC or more Correct power supply Field factors Replace the inverter PC board A1P Q0576 YES YES YES NO NO Replace the fan motor NO Monitor the voltage Instantaneous voltage drop YES NO When the compressor is running measure the voltage bet...

Страница 402: ...lfunction is decided when the unit starts operation without check operation Supposed Causes Check operation is not executed Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Has the check operation performed on Outdoor unit PC board Replace the main PC board on the outdoor unit Q0577 Press the BS4 on PC board on the mast...

Страница 403: ...lfunction Detection Microcomputer checks if transmission between indoor and outdoor units is normal Malfunction Decision Conditions When transmission is not carried out normally for a certain amount of time Supposed Causes Indoor to outdoor outdoor to outdoor transmission wiring F1 F2 disconnection short circuit or wrong wiring Outdoor unit power supply is OFF System address doesn t match Defect o...

Страница 404: ...ing normal The voltage between terminals L1 and N of the outdoor unit PC board is 220 240 V The fuse on the outdoor unit s PC board is burnt The secondary voltage of the transformer is about 22 24 V Operation ready lamp H2P is blinking Lamp does not go off for 12 minutes or more NO Fix the indoor outdoor unit transmission wiring NO Push and hold the RESET button on the outdoor unit PC board for 5 ...

Страница 405: ...B Defect of remote controller PCB Malfunction of transmission caused by noise Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Using 2 remote controllers control SS1 of both remote controllers is set to MAIN All indoor PC board microcomputer monitors blink Operation returns to normal when the power is turned off momenta...

Страница 406: ...cified period Supposed Causes Malfunction of transmission between main and sub remote controller Connection between sub remote controllers Defect of remote controller PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Using 2 remote controllers control SS1 of both remote controllers is set to SUB SS1 of remote control...

Страница 407: ...9 Applicable Models AII indoor unit models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Malfunction of transmission within or outside of other system Malfunction of electronic expansion valve in indoor unit of other system Defect of PCB of indoor unit in other system Improper connection of transmission wiring between indoor and outdoor unit ...

Страница 408: ...lers of other units within the same refrigerant system The A9 display blinks on the remote controllers of other units within the same refrigerant system The U4 display blinks on the remote controllers of other units within the same refrigerant system Re diagnose by display after passage of 2 minutes or more Refer to failure diagnosis for UA malfunction code Refer to failure diagnosis for U5 malfun...

Страница 409: ...em 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 Push and hold the RESET button on the outdoor unit PC board for 5 seconds Does a malfunction occur Is the outdoor P C board replaced to spare parts PC board Does the refrigerant type of indoor and outdoor unit match The total of indoor units display...

Страница 410: ...es Address duplication of centralized remote controller Defect of indoor unit PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Optional controllers for centralized control are connected to the indoor unit Replace indoor unit PC board Q0583 Address duplication of central remote controller The setting must be changed ...

Страница 411: ... Detection Microcomputer checks if transmission between indoor unit and centralized remote controller is normal Malfunction Decision Conditions When transmission is not carried out normally for a certain amount of time Supposed Causes Malfunction of transmission between optional controllers for centralized control and indoor unit Connector for setting master controller is disconnected Failure of P...

Страница 412: ...malfunction Is transmission wiring disconnected or wired incorrectly Is transmission with all indoor units malfunctioning Is the group No of malfunctioning indoor units set Is the transmission wiring with the master controller disconnected or wired incorrectly Connect the connector correctly NO Reset power supply simultaneously for all optional controllers for centralized control YES NO Turn indoo...

Страница 413: ...ion Defect of indoor unit PC board Stop valve is left in closed Troubleshooting Note Wiring check operation may not be successful if carried out after the outdoor unit has been off for more than 12 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 d...

Страница 414: ... Is electricity being introduce for the first time after installationor after an indoor or outdoor unit PC board has been replaced Does a malfunction occur even after 12 minutes elapses from the time when electricity is introduced to indoor and outdoor units Is indoor outdoor and outdoor outdoor unit transmission wiring normal Does a UH malfunction occur for all indoor units in the system Does a m...

Страница 415: ...onding to the measurement of the pressure sensor In cooling High suction air temperature of the condenser In heating High suction air temperature of outdoor unit Short circuit High ambient temperature Is the suction air temperature not more than 46 C Is the outdoor temperature not more than 46 C High suction air temperature of indoor unit High ambient temperature Is the suction air temperature not...

Страница 416: ...ator In heating Low suction air temperature of indoor unit Short circuit Is the suction air temperature not less than 14 C Is the indoor temperature not less than 14 C Low ambient temperature Faulty suction air thermistor of indoor unit Is the connector properly connected Are the thermistor resistance characteristics normal Low suction air temperature of outdoor unit Is the outdoor temperature not...

Страница 417: ...th 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 Measurement point Judgment 1 4 1MΩ or more 2 4 100kΩ or more 3 4 100Ω or more 4 7 100kΩ or more 1 White 2 Orange 3 Brown 4 Blue 5 6 7 Red GND ...

Страница 418: ...3 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 05 10 39 96 39 01 60 4 96 4 87 11 38 08 37 18 61 4 79 4 70 12 36 30 35 45 62 4 62 4 54 13 34 62 33 81 63 4 46 4 38 14 33 02 32 25 64 4 30 4 23 15 31 50 30 77 65 4 16 4 08 16 30 06 29 37 66 4 01...

Страница 419: ...6 233 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 420: ...re 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 421: ...ed on inverter PCB Check the power semiconductors mounted on the inverter PCB by the use of a multiple tester Items to be prepared 1 Multiple tester Prepare the digital type of multiple tester with diode check function Preparation 1 Turn OFF the power supply Then after a lapse of 10 minutes or more make measurement of resistance 1 To make measurement disconnect all connectors and terminals Inverte...

Страница 422: ...Criterion It may take time to determine the voltage due to capacitor charge or else Not less than 0 3V including U C Tester terminal When using the digital type of multiple tester make measurement in diode check mode The following abnormalities are also doubted besides the PC board abnormality z Faulty compressor ground fault ground leakage z Faulty fan motor ground leakage There needs to be none ...

Страница 423: ...Method of Replacing The Inverter s Power Transistors Modules SiAU18 715 410 Troubleshooting ...

Страница 424: ...iAU18 715 Appendix 411 Part 9 Appendix 1 Piping Diagrams 412 1 1 Outdoor Units 412 1 2 BP Units 413 1 3 Indoor Units 414 2 Wiring Diagrams 420 2 1 Outdoor Units 420 2 2 BP Units 422 2 3 Indoor Units 423 ...

Страница 425: ... exchanger Filter Filter SP Solenoid valve Service port ACCUMULATOR Filter Heat exchanger Electronic expansion valve Four way valve Filter High pressure sensor Capillary tube Capillary tube Filter Electronic expansion valve Solenoid valve Compressor Service port Low pressure sensor SP Pressure regulating valve Stop valve With service port on field piping side φ7 9mm flare connection 3D052628 ...

Страница 426: ...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 THERMISTOR DLB...

Страница 427: ...57A 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 CROSS FLOW FAN COOLING 12 7CuT INDOOR UNIT REFRIGERANT FLOW FIELD PIPING M 7 9CuT FIELD PIPING 12 7CuT FAN MOTOR 6 4CuT THERMISTOR ON HEAT EXCH HEAT EXCHANGER 4D054932A FIELD PIPIN...

Страница 428: ... FAN 6 4CuT CuT FAN MOTOR M REFRIGERANT FLOW HEAT EXCHANGER COOLING HEATING THERMISTOR ON HEAT EXCH CDKS35CVMB CDXS25CVMA CDXS35CVMA FDXS25CVMB FDXS35CVMB FDXS25EAVMB FDXS35EAVMB CDKS25CVMA CDKS50CVMA CDKS60CVMA CDXS50DVMT CDXS60DVMT CDKS50DVMT CDKS60DVMT CDKS35CVMA CDXS25DVMT CDXS35DVMT CDKS25DVMT CDKS35DVMT CDXS35CVMB CDKS25CVMB CDXS25CVMB CDKS60CVMB CDXS50CVMA CDXS60CVMA CDXS60CVMB CDKS50CVMB C...

Страница 429: ...T FIELD PIPING 9 5CuT INDOOR UNIT 6 4CuT SIROCCO FAN 9 5CuT FAN MOTOR M HEAT EXCHANGER THERMISTOR ON HEAT EXCH REFRIGERANT FLOW COOLING HEATING 4D048722A FIELD PIPING FIELD PIPING 6 4CuT 12 7CuT REFRIGERANT FLOW HEATING COOLING INDOOR UNIT 9 5CuT SIROCCO FAN 12 7CuT FAN MOTOR M HEAT EXCHANGER THERMISTOR ON HEAT EXCH 4D048724A ...

Страница 430: ...R REFRIGERANT FLOW 6 4CuT 6 4CuT FAN MOTOR 9 5CuT M 6 4CuT 6 4CuT 7 0CuT COOLING 9 5CuT THERMISTOR ONHEATEXCH HEATING INDOOR UNIT 4D056137 FAN MOTOR 6 4CuT THERMISTOR ONHEATEXCH 7 0CuT TURBO FAN 6 4CuT 6 4CuT 6 4CuT COOLING M 6 4CuT 6 4CuT HEATING HEAT EXCHANGER 12 7CuT FIELD PIPING 6 4CuT MUFFLER ASSY INDOOR UNIT 6 4CuT 9 5CuT REFRIGERANT FLOW FIELD PIPING 4D056138 ...

Страница 431: ...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 432: ...VL 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 FAQ71...

Страница 433: ... WHEN USING THE OPTION ADAPTOR REFER TO THE INSTALLATION MANUAL 7 COLORS BLU BLUE BRN BROWN GRN GREEN RED RED WHT WHITE YLW YELLOW ORG ORANGE R2T SOLENOID VALVE 4 WAY VALVE R3T DIODE MODULE SELECTOR SWITCH FAN COOL HEAT S2S POWER MODULE PILOT LAMP SERVICE MONITOR ORANGE R7T Y1S X2M R6T TERMINAL STRIP CONTROL K2R Y2S THERMISTOR M1C DISCHARGE MAGNETIC RELAY Y2S Y3S R2 E1HC PRINTED CIRCUIT BOARD C H ...

Страница 434: ...AN LOWER C3 S1S K1M BP UNIT F1 F2 BS1 5 X1A N BLU L RED Y3S FINTH WHT BS5 K1R 1 2 K5R R2T LD PRESSURE SWITCH HIGH X27A S1PH LC V2R RED F4U X2A MS 3 H1P R1 RESISTOR SELECTOR SWITCH COOL HEAT Z3C N 1 DIP SWITCH Y3E Z6C PUSH BUTTON SWITCH MODE SET RETURN TEST RESET N RED R7T BS4 X1M V1T MOTOR COMPRESSOR HBP P THERMISTOR LIQUID Z4C N 1 THERMISTOR SUBCOOL PRINTED CIRCUIT BOARD NOISE FILTER GRN THERMIST...

Страница 435: ...WITCH H1P H5P R1T R4T DS2 CONNECTOR PRINTED CIRCUIT BOARD FUSE 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 X90A 12 1 WHT ...

Страница 436: ...NAL STRIP PROTECTIVE EARTH NOTE THAT OPERATION WILL RESTART AUTOMATICALLY IF THE MAIN POWER SUPPLY IS TURNED OFF AND THEN BACK ON AGAIN CAUTION 3D046453B 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 RED CIRCUI...

Страница 437: ...oor 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 YLW YLW X1M 2 3 ...

Страница 438: ...ERMISTOR TERMINAL STRIP CAUTION FIELD WIRING 2 3 1 outdoor 3D033909E SIGNAL RECEIVER M S1W WIRELESS REMOTE CONTROLLER outdoor FIELD WIRING F1U M M S2W 4 3 2 1 indoor 3 X1M 2 1 E3 S26 BLU S4W AIR OUTLET SELECTION SWITCH S42 PCB4 S48 S41 M1S X1M H1P H2P 3 15A BRN RED 1 RECTIFIER RED LED2 WHT M1S V2 5 H2 GRN S4W TRANSMISSION CIRCUIT ORG 6 M2S PNK PCB3 V1 4 YLW E4 EARTH TERMINAL SHIELD PLATE LED1 H3 S...

Страница 439: ...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 440: ... 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 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 CONTROLLER S...

Страница 441: ...O SWITCH M1F EMBEDDED SELECTOR SWITCH MAIN SUB FLOAT SWITCH SELECTOR SWITCH SIGNAL RECEIVER CIRCUIT SIGNAL TRANSMISSION CIRCUIT TRANSFORMER 220 240V 22V SERVICE MONITOR GREEN LIGHT EMITTING DIODE PRINTED CIRCUIT BOARD MAGNETIC RELAY M1P MAGNETIC RELAY M1F TERMINAL STRIP TERMINAL STRIP EMERGENCY MOTOR DRAIN PUMP MOTOR INDOOR FAN CAPACITOR M1F THERMISTOR AIR THERMISTOR AIR THERMISTOR COIL THERMISTOR...

Страница 442: ...IMINATION 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 C1 A3P A4P S1Q Q1M X1M X2M A1P HAP F1U R3T R2T R1T SS1 R1T M1F M1S V1TR KAR KPR T1R TC RC T...

Страница 443: ...Wiring Diagrams SiAU18 715 430 Appendix ...

Страница 444: ...tput check 328 348 Hall IC check 330 power supply waveforms check 356 thermistor resistance check 329 349 check for causes of drop in low pressure 403 check for causes of rise in high pressure 402 check for fan motor connector 404 check operation 131 151 check operation not executed 389 CJ 344 compressor motor lock 362 compressor PI control 78 condensation avoidance control FHQ only 117 control PC...

Страница 445: ...161 forced operation ON OFF switch 42 44 46 48 51 54 57 62 freeze up protection control 93 116 freeze up protection control or high pressure control 322 FU 51 FU1 42 44 46 48 function outline skyair 114 functional parts layout 69 functions 2 fuse 42 44 46 51 H H1P 38 41 H2P 38 41 H3P 38 41 H4P 38 41 H5P 38 41 H6P 38 H7P 38 H8P 38 H9 368 HA 42 44 Hall IC 102 324 325 Hall IC check 330 HAP 36 54 57 6...

Страница 446: ...lfunction of high pressure sensor 374 malfunction of indoor unit fan motor 336 malfunction of inverter radiating fin temperature rise 377 malfunction of inverter radiating fin temperature rise sensor 383 malfunction of low pressure sensor 375 malfunction of moving part of electronic expansion valve 364 malfunction of outdoor unit fan motor 363 malfunction of PCB 376 malfunction of remote controlle...

Страница 447: ...mp down residual operation 87 R refrigerant circuit 66 refrigerant flow for each operation mode 70 refrigerant overcharged 367 refrigerant recovery mode 150 remote controller 305 306 remote controller thermistor 344 remote controller thermostat 121 restart standby 87 RTH1 42 44 46 S S1 42 44 46 S201 51 S202 51 S203 51 S204 51 S21 42 44 46 48 51 S23 51 S24 48 51 S25 48 51 S26 42 44 46 48 51 S27 42 ...

Страница 448: ...eshooting with the operation lamp 301 U U 36 U0 385 U2 387 U3 389 U4 353 390 U5 345 392 U8 346 393 U9 394 UA 347 396 UC 397 UE 398 UF 400 UH 401 UJ 355 unit No change 161 V V 36 V1 42 44 46 48 51 vacuuming mode 150 varistor 42 44 46 W W 36 WEEKLY TIMER operation 113 wide angle louvers 101 wireless address switch SS2 157 wiring diagrams 420 X X106A 36 X107A 36 X10A 54 57 60 X111A 36 X11A 36 54 57 6...

Страница 449: ...SiAU18 715 vi Index ...

Страница 450: ...related abnormality AC motor 324 DC motor 325 faulty BP liquid or gas pipe thermistor 352 faulty BP unit PCB 351 faulty combination of inverter and fan driver 384 faulty outdoor unit PCB 357 field setting cool heat mode switching 143 setting by dip switches 134 wired remote controller 153 wireless remote controller 154 freeze up protection control 93 116 freeze up protection control or high pressu...

Страница 451: ...ton on indoor unit 112 operation mode 76 outdoor unit PCB layout 133 P PCB BP unit 41 phase steps 102 piping diagrams BPMKS967A2 413 BPMKS967A3 413 CDK X S25 35EAVMA 415 CDKS25 35 50 60CVMA 415 FBQ60 71BV1 419 FCQ35 50 60 71BVE 418 FDXS25 35 50 60CVMA 415 FFQ25 35 50 60B8V1B 418 FHQ35 50 60BVV1B 419 FLXS25 35BVMA 416 FLXS50 60BVMA 416 FTKS20DVMA 414 FTKS25 35EVMA 414 FTKS50 60FVMA 414 FTKS71FVMA 4...

Страница 452: ...e controller field setting 153 wireless address switch SS2 157 wireless remote controller field setting 154 wiring diagrams BPMKS967A2 422 BPMKS967A3 422 CDKS25 35 50 60CVMA 424 CDKS25 35EAVMA 424 CDXS25 35EAVMA 424 FBQ60 71BV1 428 FCQ35 50 60 71BVE 427 FDXS25 35 50 60CVMA 424 FFQ25 35 50 60B8V1B 426 FHQ35 50 60BVV1B 429 FLXS25 35 50 60BVMA 425 FTKS20DVMA 423 FTKS25 35EVMA 423 FTKS50 60 71FVMA 423...

Страница 453: ...Specifications designs and other content appearing in this brochure are current as of May 2007 but subject to change without notice SiAU 18 715 Printed in Japan 05 2007 B AK ...

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