Daikin Super Multi Plus E-Series User Manual Download

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SiEN18-622

E-Series

Service

Manual

[Applied Models]

Super Multi Plus: Cooling Only

Heat Pump

Summary of Contents for Super Multi Plus E-Series

Page 1: ...SiEN18 622 E Series Service Manual Applied Models zSuper Multi Plus Cooling Only Heat Pump...

Page 2: ...KS25EAVMB FCQ35BVE FTKS25EVMA FDKS35EAVMB FCQ50BVE FTKS35EVMA CDKS25CVMA FCQ60BVE FTKS50FVMA CDKS35CVMA FCQ71BVE FTKS60FVMA CDKS50CVMA FBQ60BV1 FTKS71FVMA CDKS60CVMA FBQ71BV1 FTKS50BVMA8 CDKS25EAVMA F...

Page 3: ...FTXS20DVMT CDXS35CVMA FVXS50BVMA FCQ50BVE FTXS25DVMT CDXS50CVMA FCQ60BVE FTXS35DVMT CDXS60CVMA FCQ71BVE FTXS50DVMT CDXS25EAVMA FBQ60BV1 FTXS60DVMT CDXS35EAVMA FBQ71BV1 FTXS71DVMT CDXS25DVMT FBQ60BVL F...

Page 4: ...Suspended Dual Type 66 1 7 Floor Standing Type 69 1 8 Ceiling Mounted Cassette 600 600 Type 72 1 9 Ceiling Mounted Cassette Type 950 950 75 1 10 Ceiling Mounted Built in Type 78 1 11 Ceiling Suspende...

Page 5: ...Control in Heating Operation 118 6 5 Heat Exchanger Isothermal Control in Heating Operation 118 7 Indoor Unit RA Models 119 7 1 Power Airflow Dual Flaps Wide Angle Louvers and Auto Swing 119 7 2 Fan S...

Page 6: ...6 2 Service Check Function 307 2 1 RA Indoor Unit Infrared Remote Control 307 2 2 SkyAir Indoor Unit INSPECTION TEST Button 311 2 3 SkyAir Indoor Unit Wired Remote Control 312 2 4 SkyAir Indoor Unit I...

Page 7: ...f Discharge Pipe Thermistor R2T 371 7 11 Malfunction of Thermistor R3T R5T for Suction Pipe1 2 372 7 12 Malfunction of Thermistor R4T for Outdoor Unit Heat Exchanger 373 7 13 Malfunction of Thermistor...

Page 8: ...door Unit 400 7 36 System is not Set yet 402 7 37 Malfunction of System Refrigerant System Address Undefined 403 8 Check 404 9 Thermistor Resistance Temperature Characteristics 407 10 Pressure Sensor...

Page 9: ...wer 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 sup...

Page 10: ...trical shock Do not clean the air conditioner by splashing water Washing the unit with water may cause an electrical shock Be sure to provide the grounding when repairing the equipment in a humid or w...

Page 11: ...at 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 ter...

Page 12: ...t 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...

Page 13: ...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 Ca...

Page 14: ...SiEN18 622 List of Functions 1 Part 1 List of Functions 1 List of Functions 2 1 1 Cooling Only 2 1 2 Heat Pump 9...

Page 15: ...Left Night Set Mode 3 D Airflow Worry Free Reliability Durability Auto Restart after Power Failure Comfort Airflow Mode Self Diagnosis Digital LED Display 3 Step Airflow H P Only Wiring Error Check Co...

Page 16: ...Left Night Set Mode 3 D Airflow Worry Free Reliability Durability Auto Restart after Power Failure Comfort Airflow Mode Self Diagnosis Digital LED Display 3 Step Airflow H P Only Wiring Error Check C...

Page 17: ...Set Mode 3 D Airflow Worry Free Reliability Durability Auto Restart after Power Failure Comfort Airflow Mode Self Diagnosis Digital LED Display 3 Step Airflow H P Only Wiring Error Check Comfort Cont...

Page 18: ...ff Timer 3 D Airflow Night 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 A...

Page 19: ...Set Mode 3 D Airflow Worry Free Reliability Durability Auto Restart after Power Failure Comfort Airflow Mode Self Diagnosis Digital LED Display 3 Step Airflow H P Only Wiring Error Check Comfort Contr...

Page 20: ...Left Worry Free Reliability Durability Auto Restart after Power Failure 3 D Airflow Self Diagnosis Digital LED Display Comfort Airflow Mode Wiring Error Check 3 Step Airflow H P Only Anticorrosion Tr...

Page 21: ...Left Worry Free Reliability Durability Auto Restart after Power Failure 3 D Airflow Self Diagnosis Digital LED Display Comfort Airflow Mode Wiring Error Check 3 Step Airflow H P Only Anticorrosion Tr...

Page 22: ...D Airflow Night 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 Sp...

Page 23: ...f Timer 3 D Airflow Night 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 Au...

Page 24: ...ff Timer 3 D Airflow Night 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 A...

Page 25: ...mer 3 D Airflow Night 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 F...

Page 26: ...Airflow Night 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...

Page 27: ...rflow Night 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 W...

Page 28: ...low Night 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 Wir...

Page 29: ...mer 3 D Airflow Night 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 F...

Page 30: ...SiEN18 622 Specifications 17 Part 2 Specifications 1 Specifications 18 1 1 Cooling Only 18 1 2 Heat Pump 34...

Page 31: ...ow Rate H m 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 16 1 15 4 20 6 19 7 24 6 23 5 Dimensions H W D mm 1 345 900...

Page 32: ...ropeller 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...

Page 33: ...H W D mm 257 738 427 Machine Weight kg 7 5 8 Gross Weight kg 11 12 Number of Wiring Connections 4 for Interunit Wiring Piping Connection Brazing Liquid mm Main 9 5 1 Branch 6 4 2 Main 9 5 1 Branch 6 4...

Page 34: ...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 9 5 1 Branch 6 4 2 Main 9 5 1 Branch 6 4 3 Gas mm Ma...

Page 35: ...Pipes Both Liquid and Gas Pipes Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 9 5 Drain mm 18 0 18 0 Drawing No 3D049754 3D049288 Model FTKS35DVMA FTKS25DVM Rated Capacity 3 5kW Class 2 5kW Class Fr...

Page 36: ...ipes Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 9 5 Drain mm 18 0 18 0 Drawing No 3D049322 3D054408 Model FTKS35EVMA FTKS50FVMA Rated Capacity 3 5kW Class 5 0kW Class Front Panel Color White White...

Page 37: ...n Both Liquid and Gas Pipes Both Liquid and Gas Pipes Piping Connection Liquid mm 6 4 6 4 Gas mm 12 7 15 9 Drain mm 18 0 18 0 Drawing No 3D054877 3D054878 Model FTKS50BVMA8 FTKS60BVMA8 Rated Capacity...

Page 38: ...0kW Class 6 0kW Class Front Panel Color White White Air Flow Rates m min cfm H 11 4 402 16 2 572 M 9 7 342 13 6 480 L 8 0 282 11 4 402 SL 7 1 251 10 2 360 Fan Type Cross Flow Fan Cross Flow Fan Motor...

Page 39: ...d Air Filter Removable Washable Mildew Proof Running Current Rated A 0 20 Power Consumption Rated W 45 Power Factor 96 4 Temperature Control Microcomputer Control Dimensions H W D mm 290 1 050 238 Pac...

Page 40: ...ernal Static Pressure 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 6 4 6 4 Gas mm 9 5 9 5 Drain mm VP20 O D 26...

Page 41: ...62 62 Speed Steps 5 Steps Silent Auto 5 Steps Silent Auto Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 48 0 48 Power Consumption Rated W 71 71...

Page 42: ...33 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 6 4 6 4 Gas mm 9 5 9 5 Drain mm VP20 O D 26 I D 20 VP...

Page 43: ...n Motor Output W 62 62 Speed Steps 5 Steps Silent Auto 5 Steps Silent 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...

Page 44: ...es Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 9 5 Drain mm VP20 O D 26 I D 20 VP20 O D 26 I D 20 Drawing No 3D040444A 3D040442A Model FFQ50B8V1B FFQ60B8V1B Rated Capacity 5 0kW Class 6 0kW Class D...

Page 45: ...Flare 12 7 Flare Drain mm VP20 O D 32 I D 25 VP20 O D 32 I D 25 Drawing No 3D049093A 3D049093A Model FCQ60BVE FCQ71BVE Rated Capacity 6 0kW Class 7 1kW Class Decoration Panel Color White White Dimens...

Page 46: ...B 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...

Page 47: ...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...

Page 48: ...n 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 19 8 24 8 26 1 Dimensions H W D mm 1 345 900 320 Package Dimensions H W D...

Page 49: ...W D mm 257 738 427 Machine Weight kg 7 5 8 Gross Weight kg 11 12 Number of Wiring Connections 4 for Interunit Wiring Piping Connection Brazing Liquid mm Main 9 5 1 Branch 6 4 2 Main 9 5 1 Branch 6 4 3...

Page 50: ...as Pipes Both Liquid and Gas Pipes Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 9 5 Drain mm 18 0 18 0 Drawing No 3D049290 3D049291 Model FTXS35DVMA FTXS25EVMA Cooling Heating Cooling Heating Rated...

Page 51: ...ping Connection Liquid mm 6 4 6 4 Gas mm 9 5 12 7 Drain mm 18 0 18 0 Drawing No 3D054407 3D054879 Model FTXS60FVMA FTXS71FVMA Cooling Heating Cooling Heating Rated Capacity 6 0kW Class 7 1kW Class Fro...

Page 52: ...3 17 Operation Sound H M L SL dBA 44 40 35 32 42 38 33 30 45 41 36 33 44 40 35 32 Sound Power H dBA 63 60 63 62 Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes Piping Connection Li...

Page 53: ...ection Liquid mm 6 4 6 4 Gas mm 9 5 9 5 Drain mm 18 0 18 0 Drawing No 3D049891A 3D049892A Conversion Formulae kcal h kW 860 Btu h kW 3414 cfm m min 35 3 Model FTXS35DVMT FTXS50DVMT Cooling Heating Coo...

Page 54: ...ght Left Horizontal Downward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current A 0 21 0 21 0 23 0 23 Power Consumption W 45 45 50 50 Power Factor 97 4 97 4 98...

Page 55: ...l Static Pressure 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 6 4 6 4 Gas mm 9 5 9 5 Drain mm VP20 O D 26 I D...

Page 56: ...eed Steps 5 Steps Silent Auto 5 Steps Silent 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...

Page 57: ...Pressure 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 6 4 6 4 Gas mm 9 5 9 5 Drain mm VP20 O D 26 I D 20 VP20...

Page 58: ...tic Pressure 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 6 4 6 4 Gas mm 9 5 9 5 Drain mm VP20 O D 26 I D 20 VP...

Page 59: ...Sirocco Fan Sirocco Fan Motor Output W 62 62 Speed Steps 5 Steps Silent Auto 5 Steps Silent Auto Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 5...

Page 60: ...ilter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 16 0 15 0 14 0 16 0 15 0 16 0 15 0 14 0 16 0 15 0 27 0 26 0 25 0 27 0 26 0 33 0 32 0 31 0 33 0 32 Power...

Page 61: ...as Pipes Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 9 5 Drain mm 18 0 18 0 Drawing No 3D046600 3D046601 Model FLXS50BVMA FLXS60BVMA Cooling Heating Cooling Heating Rated Capacity 5 0kW Class 5 7kW...

Page 62: ...ing Connection Liquid mm 6 4 6 4 Gas mm 9 5 9 5 Drain mm VP20 O D 26 I D 20 VP20 O D 26 I D 20 Drawing No 3D040445 3D040443 Model FFQ50B8V1B FFQ60B8V1B Cooling Heating Cooling Heating Rated Capacity 5...

Page 63: ...lare 12 7 Flare Drain mm VP20 O D 32 I D 25 VP20 O D 32 I D 25 Drawing No 3D049093A 3D049093A Model FCQ60BVE FCQ71BVE Cooling Heating Cooling Heating Rated Capacity 6 0kW Class 7 1kW Class Decoration...

Page 64: ...lare 9 5 Flare Gas mm 12 7 Flare 15 9 Flare Drain mm VP25 O D 32 I D 25 VP25 O D 32 I D 25 Drawing No 3D049097 3D049097 Model FBQ60BVL FBQ71BVL Cooling Heating Cooling Heating Rated Capacity 6 0kW Cla...

Page 65: ...rizontal Downward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Removable Washable Mildew Proof Temperature Control Microcomputer Control Microcomputer Control Microcomput...

Page 66: ...54 1 1 Outdoor Unit 54 1 2 BP Unit 59 1 3 Wall Mounted Type 20 25 35 Class 60 1 4 Wall Mounted Type 50 60 71 Class 62 1 5 Duct Connected Type 64 1 6 Floor Ceiling Suspended Dual Type 66 1 7 Floor Sta...

Page 67: ...A Connector 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 Crankc...

Page 68: ...Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram and Name 55 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 X25...

Page 69: ...Diagram and Name 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...

Page 70: ...Circuit Board Connector Wiring Diagram and Name 57 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 Desig...

Page 71: ...ing Diagram SiEN18 622 58 Printed Circuit Board Connector Wiring Diagram and Name 1 1 4 Cool Heat Selector PCB A4P Connectors 1 X1A Connector for Main PCB A1P Note Other Designation 1 X1M Cool Heat Se...

Page 72: ...ors 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 Term...

Page 73: ...tor 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...

Page 74: ...ircuit Board Connector Wiring Diagram and Name 61 PCB Detail PCB 1 Control PCB 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...

Page 75: ...ed 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 co...

Page 76: ...r Wiring Diagram and Name 63 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...

Page 77: ...trol 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 compres...

Page 78: ...N18 622 Printed Circuit Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram and Name 65 PCB Detail PCB 2 Display PCB WLU C2 C1 C3 PbF 2P084375 Pb Free SW1 LED1 RTH1 LED2 LED3...

Page 79: ...onnector 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...

Page 80: ...ector Wiring Diagram Printed Circuit Board Connector Wiring Diagram and Name 67 PCB Detail PCB 1 Control PCB PCB Detail PCB 2 Power Supply PCB Pb Free S21 LED A S26 S32 GND S37 5V Check JA JB JC S24 1...

Page 81: ...ring Diagram SiEN18 622 68 Printed Circuit Board Connector Wiring Diagram and Name PCB 3 Display PCB PCB 4 Signal Receiver PCB LED3 Pb Free LED2 LED1 S25 SW1 PbF PHOTO 2P084377 1 SW1 I RTH WLU 3 C1 C2...

Page 82: ...S31 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 Co...

Page 83: ...nted Circuit Board Connector Wiring Diagram SiEN18 622 70 Printed Circuit Board Connector Wiring Diagram and Name PCB Detail PCB 1 Power Supply PCB 25 35 class PCB Detail PCB 1 Power Supply PCB 50 cla...

Page 84: ...622 Printed Circuit Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram and Name 71 PCB Detail PCB 2 Control PCB PCB 3 Display PCB PCB 4 Signal Receiver PCB Pb Free Pb Free P...

Page 85: ...re thermistor 6 X20A Connector for fan motor 7 X24A Connector for signal receiver PCB when the infrared remote control is used 8 X25A Connector for drain pump motor 9 X27A Connector for terminal strip...

Page 86: ...ring Diagram Printed Circuit Board Connector Wiring Diagram and Name 73 PCB Detail PCB 1 Control PCB A1P EC0608 A X25A X18A X61A X36A X40A X17A X15A HAP Service monitor LED Capacity setting adaptor X5...

Page 87: ...rd Connector Wiring Diagram SiEN18 622 74 Printed Circuit Board Connector Wiring Diagram and Name PCB Detail PCB 2 Signal Receiver PCB A3P PCB 3 Display PCB A4P X2A 3P156326 X1A SS2 LED4 X1A BS1 3P086...

Page 88: ...Connector for room temperature thermistor 6 X20A Connector for fan motor 7 X24A Connector for signal receiver PCB when the infrared remote control is used 8 X25A Connector for drain pump motor 9 X27A...

Page 89: ...ram SiEN18 622 76 Printed Circuit Board Connector Wiring Diagram and Name PCB Detail PCB 1 Control PCB A1P X25A X18A X61A X36A X17A X15A HAP Service monitor LED Capacity setting adaptor X5A X35A X24A...

Page 90: ...Circuit Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram and Name 77 PCB Detail PCB 2 Signal Receiver PCB A2P PCB 3 Display PCB A3P X2A 3P156326 X1A SS2 LED3 3P008986 LED4...

Page 91: ...X10A 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 moto...

Page 92: ...inted Circuit Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram and Name 79 PCB Detail Control PCB A1P X27A X25A X11A X33A X61A X15A X18A X19A X17A X21A X5A X10A X35A X60A...

Page 93: ...Strip for Inter Unit Wiring 11 X29A Connector for Swing Motor 12 X33A Connector for Wring Adapter PCB Optional Accessory 13 X35A Connector for Group Control Adapter Optional Accessory 14 X40A Connect...

Page 94: ...Diagram Printed Circuit Board Connector Wiring Diagram and Name 81 PCB Detail PCB 1 Control PCB A1P Capacity setting adaptor X18A X40A X15A X19A X17A X14A X61A X33A X27A X20A X35A X60A X5A X24A X26A X...

Page 95: ...rd Connector Wiring Diagram SiEN18 622 82 Printed Circuit Board Connector Wiring Diagram and Name PCB Detail PCB 2 Signal Receiver PCB A3P PCB 3 Display PCB A4P X2A 3P156326 X1A SS2 BS1 3PA58761 X1A L...

Page 96: ...uit 84 1 1 Outdoor Units 84 1 2 BP Units 86 2 Functional Parts Layout 87 2 1 Outdoor Units 87 3 Refrigerant Flow for Each Operation Mode 88 3 1 Cooling Operation 88 3 2 Heating Operation 89 3 3 Coolin...

Page 97: ...itch 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...

Page 98: ...ilter Filter Filter Filter Filter Heat exchanger Pressure regulating valve Service port Service port Compressor Four way valve High pressure sensor High pressure switch Solenoid valve Capillary tube O...

Page 99: ...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 suppl...

Page 100: ...lenoid valve Pressure sensor high 4 way valve Thermistor suction 1 Thermistor suction 2 Pressure sensor low Solenoid valve Pressure switch Electronic expansion valve Electronic espansion valve Thermis...

Page 101: ...V 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...

Page 102: ...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 EXCHANGE...

Page 103: ...rol 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 E...

Page 104: ...ERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCH...

Page 105: ...Refrigerant Flow for Each Operation Mode SiEN18 622 92 Refrigerant Circuit...

Page 106: ...er Control 113 5 1 Demand Operation 113 5 2 Heating Operation Prohibition 113 6 BP Unit Control 114 6 1 BP Unit Command Conversion 114 6 2 BP Unit Electronic Expansion Valve Control 115 6 3 SH Control...

Page 107: ...t Operation mode change Pressure equalization prior to startup Startup control Cooling startup control Heating startup control Electronic expansion valve PI control Indoor unit stop or thermostat OFF...

Page 108: ...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...

Page 109: ...2 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 ope...

Page 110: ...wn 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 P114 Cooling Operation TeS TeS initial...

Page 111: ...n value by D signal in heating D control Keep the current KTc2 KTc2 KTc2 0 5 KTc2 KTc2 0 5 Q0397 KTc2 0 without correction Not during compressor frequency PI control During compressor frequency PI con...

Page 112: ...ng 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 degr...

Page 113: ...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...

Page 114: ...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...

Page 115: ...ion 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 Out...

Page 116: ...o 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...

Page 117: ...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 C...

Page 118: ...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 E...

Page 119: ...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 electro...

Page 120: ...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...

Page 121: ...tection value Low pressure limited When occurring 3 times within 30 min the malfunction code E4 is output 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...

Page 122: ...C HTdi 120 C for 10 min or more or HTdi 110 C Tp 125 C After 30 sec After 20 sec HTdi 130 C HTdi 120 C or HTdi 100 C Tp 110 C Discharge pipe temperature standby Value of INV compressor discharge pipe...

Page 123: ...uency 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 cont...

Page 124: ...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 st...

Page 125: ...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 th...

Page 126: ...e the unit with this mode additional setting of Continuous Demand Setting or external input by external control adapter is required Demand 1 setting 5 2 Heating Operation Prohibition Heating operation...

Page 127: ...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 ro...

Page 128: ...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...

Page 129: ...mber 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 Comman...

Page 130: ...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 m...

Page 131: ...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...

Page 132: ...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 t...

Page 133: ...ollowing 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...

Page 134: ...t 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...

Page 135: ...ting temperature plus correction value correction value cooling 0 deg heating 0 deg 3 Operation ON OFF point and mode switching point are as follows 1 Heating Cooling switching point Room temperature...

Page 136: ...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 Typ...

Page 137: ...ensure comfortable sleeping conditions and also conserves electricity Cooling Operation In case of 20 35 Class the temperature rises once Heating Operation Temperature setting 1 C Operation stops at t...

Page 138: ...atest command has the priority Details ECONO mode can be activated while the unit is running The remote control can send the ECONO command when the unit is in COOL HEAT DRY or AUTO operation When the...

Page 139: ...en 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 sifted 2 C from the set temperature Cooling 2 C higher...

Page 140: ...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...

Page 141: ...comes 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 control The...

Page 142: ...Class Ex Powerful operation in cooling mode Refer to Fan Speed control on page 120 for detail Operation mode Fan speed Target set temperature COOL H tap 50 rpm 18 C DRY Dry rotating speed 50 rpm Norma...

Page 143: ...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 to stop it This button is useful when the remote control is missing The operation mode...

Page 144: ...the filter to effectively trap microscopic particles decompose odours and deactivate bacteria and viruses even for the high volume of air required to air condition large living rooms The filter can be...

Page 145: ...g Function Program Dry Fan Operation Drain Pump Control Heating Overload Control Defrosting Indoor Unit Fan Control Phase control Flap Control Fan Motor Drain Pump Optional for FHQ Wireless units only...

Page 146: ...er Heat pump BRC7C612W Optional accessory Cooling only BRC7C613W Electronic control unit 2P095006 6 EC0226 Fan motor 3P012316 1 6P 45W Fan motor capacitor 3 5 F AC440V Float switch 3P079543 1 FS 0211B...

Page 147: ...vating during cooling operation under low outside air temperature For details see the section on cooling operation under low outside air temperature Set temperature Initial setting Cooling thermostat...

Page 148: ...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...

Page 149: ...f the 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 simultane...

Page 150: ...y Normal Drain pump ON OFF 5min Intermittent operation 1 2 3 Note 2 2 a 1 When a water level abnormality occurs during drain pump ON After compressor stops due to water level abnormality drain pump is...

Page 151: ...evel abnormality 5 3 sec min A 10 sec sec When 3 min standby of compressor is complete Recovery of drain water level abnormality 5min 5min Intermittent operation 1 Drain pan Water level abnormality No...

Page 152: ...control is applied Excluding simultaneous ON OFF operation 3 When conditions relating set temperature with remote control and suction air temperature are out of the operating zone of remote control th...

Page 153: ...enance and the power supply is to be shut off be sure to turn the remote control s ON OFF switch OFF first Shutting the power supply switch off while the ON OFF switch is still ON is dangerous because...

Page 154: ...ion 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 Airflo...

Page 155: ...it 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 OF...

Page 156: ...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 moistu...

Page 157: ...Indoor Unit SkyAir Models SiEN18 622 144 Function...

Page 158: ...ting Mode 161 4 Field Setting for SkyAir Indoor Unit 170 4 1 Explanation 170 4 2 Field Setting 171 4 3 Initial Setting Contents 172 4 4 Local Setting Mode Number 173 4 5 Detailed Explanation of Settin...

Page 159: ...er 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...

Page 160: ...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...

Page 161: ...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 re...

Page 162: ...p 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 control was changed before the check run Set the operating mode on...

Page 163: ...onfirm that the indoor outdoor units can be operated normally When an abnormal noise due to liquid compression by the compressor can be heard stop the unit immediately and turn on the crankcase heater...

Page 164: ...witches DS1 1 and DS1 2 Sets the address again when the wiring is changed or an indoor unit is added Performs the test run Used at field set Changes the set mode Curing this range with an insulating s...

Page 165: ...y set DS1 2 ON Not used Do not change the factory settings OFF Factory set 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 heat selector connection pro...

Page 166: ...ng Please Attach the Capacity Setting Adapter corresponding to Capacity Class ex 112 140 160 in connector X51A See Below Capacity Setting Adapter 1 2 3 Capacity Class 4 112 5 140 6 160 CAPACITY SETTIN...

Page 167: ...SET BS3 RETURN BS4 TEST BS5 RESET V2760 Setting mode 1 Monitor mode H1P Blinking MODE MODE Off H1P Setting mode 2 MODE On H1P Push the BS1 MODE button one time Normal V2761 Push and hold the BS1 MODE...

Page 168: ...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 t...

Page 169: ...e 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...

Page 170: ...c 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...

Page 171: ...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...

Page 172: ...e table Refer page 320 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 retr...

Page 173: ...r 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...

Page 174: ...t to select the cooling heating operation mode In the case of wired remote controls After the check operation CHANGEOVER UNDER CONTROL is flashing in all connected remote controls Select an indoor uni...

Page 175: ...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 Remote control Indoor unit C H s...

Page 176: ...nd time of nighttime low noise operation Use the end time as a guide since it is estimated according to outdoor temperatures 4 If necessary while in Setting mode 2 set the setting condition for set it...

Page 177: ...elect 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...

Page 178: ...n 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 N...

Page 179: ...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...

Page 180: ...charging the refrigerant The operation is automatically started The LED indicator H2P flickers and Test run and Under centralized control are displayed in the remote control After charging the specif...

Page 181: ...on 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...

Page 182: ...ree 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 m...

Page 183: ...d out from the remote control 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...

Page 184: ...esired MODE NO with the button Push the upper button and select FIRST CODE NO Push the lower button and select the SECOND CODE NO Push the button once and the present settings are SET Push the button...

Page 185: ...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 Mode no Field set...

Page 186: ...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...

Page 187: ...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...

Page 188: ...e addresses for the receiver and infrared remote control For group control see the attached installation manual for the indoor unit If using together with a wired remote control you have to change the...

Page 189: ...e 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 r...

Page 190: ...tion panel air discharge outlet as well as on the back of the infrared remote control PRECAUTIONS Set the Unit No of the receiver and the infrared remote control to be equal If the settings differ the...

Page 191: ...utton 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...

Page 192: ...not be reset because the count is updated each time a malfunction occurs Mode No Function Content and Operation Method Example of Remote Control Display 40 Malfunction Hysteresis You can change the hi...

Page 193: ...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 cooli...

Page 194: ...on the control PCB Infrared remote control 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 J...

Page 195: ...1 System Configuration 184 1 1 Operation Instructions 184 2 Instruction 185 2 1 RMXS Series 185 2 2 Wall Mounted Duct Floor Ceiling Floor Standing Type 186 2 3 Ceiling Mounted Cassette Type 256 2 4 C...

Page 196: ...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 Howev...

Page 197: ...protection Operating noise At startup During startup in order to emit warm or cool air as quickly as possible the sound of refrigerant flowing will be heard for a short time 1 to 2 minutes from the ou...

Page 198: ...232 232 232 Care Care and Cleaning 234 237 240 Trouble Shooting Trouble Shooting 253 253 253 Drawing No 3P142638 1L 3N 4L 3P175973 4B 3P182978 1 3P098586 1J 3P098595 11P 3P142638 9L Model Series Duct...

Page 199: ...ters or gas range If the air conditioner is not cooling heating properly the refrigerant may be leaking so call your dealer When carrying out repairs accompanying adding refrigerant check the content...

Page 200: ...emodeling To avoid oxygen deficiency ventilate the room sufficiently if equipment with burner is used together with the air conditioner Before cleaning be sure to stop the operation turn the breaker o...

Page 201: ...SiEN18 622 Instruction System Configuration 189 2 2 3 Names of Parts FTK X S 20 25 35 D FTK X S 25 35 E Indoor Unit ON OFF 16 14 13 15 12 1 3 4 5 7 9 10 11 8 6 2...

Page 202: ...nside of the air outlet 12 Indoor Unit ON OFF switch Push this switch once to start operation Push once again to stop it The operation mode refers to the following table This switch is useful when the...

Page 203: ...in to stop it 7 MODE selector button It selects the operation mode AUTO DRY COOL HEAT FAN 8 SILENT button OUTDOOR UNIT SILENToperation 9 FAN setting button It selects the air flow rate setting 10 SWIN...

Page 204: ...Instruction SiEN18 622 192 System Configuration FTK X S 50 60 71 F Indoor Unit 1 2 4 3 10 11 9 7 8 15 12 13 14 16 6 5...

Page 205: ...OME LEAVE lamp red Lights up when you use HOME LEAVE Operation page 224 15 Indoor Unit ON OFF switch Push this switch once to start operation Push once again to stop it The operation mode refers to th...

Page 206: ...ain to stop it 7 MODE selector button It selects the operation mode AUTO DRY COOL HEAT FAN page 232 8 SILENT button OUTDOOR UNIT SILENT operation page 232 9 FAN setting button It selects the air flow...

Page 207: ...SiEN18 622 Instruction System Configuration 195 FTK X S 50 60 71 B FTXS 50 60 71 D Indoor Unit Main unit control panel 7 14 11 12 13 4 3 15 1 2 9 10 8 6 5 The illustration shows a 50 class unit 17 16...

Page 208: ...up when you use HOME LEAVE Operation 14 Indoor Unit ON OFF switch Push this switch once to start operation Push once again to stop it The operation mode refers to the following table This switch is u...

Page 209: ...tting 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 SILENT button for OUTDOOR UNIT...

Page 210: ...Instruction SiEN18 622 198 System Configuration CDK X S 25 35 50 60 C FDK X S 25 35 50 60 C CDXS 25 35 50 60 D CDK X S 25 35 E FDKS 25 35 E Indoor Unit 1 2 5 7 6 8 9 10 4 3...

Page 211: ...Room temperature sensor It senses the air temperature around the unit 7 Operation lamp green 8 TIMER lamp yellow 9 HOME LEAVE lamp red Lights up when you use HOME LEAVE operation 10 Indoor Unit ON OF...

Page 212: ...n 5 TEMPERATURE adjustment buttons It 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 operat...

Page 213: ...the breaker OFF Do not touch the metal parts on the inside of the indoor unit as it may result in injury ON OFF 1 2 4 5 2 6 7 8 3 10 14 15 12 13 Air outlet selection switch This setting blows air from...

Page 214: ...ON OFF switch Push this switch once to start operation Push it once again to stop it The operation mode refers to the following table This switch is useful when the remote control is missing 13 Signa...

Page 215: ...he 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 SILENT button...

Page 216: ...to a wall The descriptions contained in this manual 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...

Page 217: ...up when you use HOME LEAVE Operation 13 Indoor unit ON OFF switch Push this switch once to start operation Push once again to stop it The operation mode refers to the following table Push the switch u...

Page 218: ...anges 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 OUTDOO...

Page 219: ...ype 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 control display begins to fa...

Page 220: ...he unit 2 Fix the holder to a wall a pillar etc with the screws supplied with the holder 3 Place the remote control in the remote control holder About remote control Never expose the remote control to...

Page 221: ...ctricity even while it is not operating If you are 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...

Page 222: ...advances the mode setting in sequence AUTO DRY COOL HEAT FAN FTK FTX 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 c...

Page 223: ...arts of the room After the start of heating operation it takes some time before the room gets warmer In heating operation frost may occur on the outdoor unit and lower the heating capacity In that cas...

Page 224: ...increase your comfort 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 SWI...

Page 225: ...nds on the operation mode See the figure If the unit is operated after being stopped with the flaps pointed down in cooling or dry operation the flaps will automatically move to a horizontal position...

Page 226: ...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...

Page 227: ...ging 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...

Page 228: ...tical blades louvers Hold the knob and move the louver You will find a knob on the left side and the right side blades Unless SWING is selected you should set the flap at a near horizontal angle in HE...

Page 229: ...uation Do not try to adjust the flap by hand When adjusting by hand the mechanism may not operate properly or condensation may drip from air outlets Operating mode Situation Blowing pattern COOL mode...

Page 230: ...o adjust the horizontal blade flap 1 Press SWING button is displayed on the LCD 2 When the flap has reached the desired position press SWING button once more The flap will stop moving C TEMP ON OFF PO...

Page 231: ...elected 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 mov...

Page 232: ...isappears from the LCD Notes on POWERFUL operation POWERFUL Operation cannot be used together with ECONO or SILENT Operation After press priority is given POWERFUL Operation can only be set when the u...

Page 233: ...2 Press SILENT button disappears from the LCD Note on OUTDOOR UNIT SILENT operation If using a multi system this function will work only when the OUTDOOR UNIT SILENT operation is set on all operated...

Page 234: ...auses 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 freque...

Page 235: ...nds 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 MOLD PROOF operation will operate for approximat...

Page 236: ...peration 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...

Page 237: ...ngs please refer to the Before using HOME LEAVE operation section above HOME LEAVE operation is only available in COOL and HEAT mode Cannot be used in AUTO DRY and FAN mode HOME LEAVE operation runs i...

Page 238: ...T 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 TEMP ON OFF POWERFUL MODE FAN SWING SILENT SEN...

Page 239: ...unit 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 operatio...

Page 240: ...movement To start INTELLIGENT EYE operation 1 Press SENSOR button is displayed on the LCD To cancel the INTELLIGENT EYE operation 2 Press SENSOR button again disappears from the LCD Back to normal op...

Page 241: ...unit 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 operatio...

Page 242: ...hanges 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 When TIMER is set the present time is...

Page 243: ...ting by 10 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...

Page 244: ...QUIET 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 tim...

Page 245: ...d 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 ma...

Page 246: ...ing the panel with water dry it with cloth dry it up in the shade 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 p...

Page 247: ...h 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 Titani...

Page 248: ...rain comes smoothly out of the drain hose during COOL or DRY operation If no drain water is seen water may be leaking from the indoor unit Stop operation and consult the service shop if this is the ca...

Page 249: ...er Only neutral detergent may be used In case of washing the panel with water 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...

Page 250: ...ner If the dust 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...

Page 251: ...smoothly out of the drain hose during COOL or DRY operation If no drain water is seen water may be leaking from the indoor unit Stop operation and consult the service shop if this is the case Before...

Page 252: ...used In case of washing the grille with water dry it with cloth dry it up in the shade after washing 4 Attach the front grille Align the rotation dowels on the left and right of the front panel with t...

Page 253: ...ly wash them with neutral detergent thinned with lukewarm water then dry them up in the shade It is recommended to clean the air filters every two weeks Air purifying filter with photocalytic deodoriz...

Page 254: ...day to dry out the inside Press MODE button and select FAN operation Press ON OFF button and start operation 2 After operation stops turn off the breaker for the room air conditioner 3 Clean the air...

Page 255: ...e unit 2 Cleaning the air filter Remove dust from the air filter using a vacuum cleaner and gently rinse them in cool water Do not use detergent or hot water to avoid filter shrinking or deformation A...

Page 256: ...wastes energy The suction grille is option Do not use water or air of 50 C or higher for cleaning air filters and outside panels Check that the base stand and other fittings of the outdoor unit are n...

Page 257: ...2 Cleaning the air filter Remove dust from the air filter using a vacuum cleaner and gently rinse them in cool water Do not use detergent or hot water to avoid filter shrinking or deformation After cl...

Page 258: ...suction grille is option Do not use water or air of 50 C or higher for cleaning air filters and outside panels Ask your DAIKIN dealer how to clean it Check that the base stand and other fittings of th...

Page 259: ...shade after washing 4 Attach the front grille Insert the front panel into the grooves of the unit 3 places Attach the chain to the right inner side of the front grille Close the grille slowly Hold the...

Page 260: ...gent thinned with lukewarm water then dry them up in the shade It is recommended to clean the air filters every two weeks Air Purifying Filter green Replace approximately once every 3 months 1 Detach...

Page 261: ...n Operation with dusty air filters lowers the cooling heating capacity and wastes energy Air is also prevented from flowing smoothly through the unit creating a noise Operation with dirty filters 1 ca...

Page 262: ...he shade after washing 3 Close the front grille Push the grille at the 5 points indicated by Operation without air filters may result in trou bles as dust will accumulate inside the indoor unit Don t...

Page 263: ...nt thinned with lukewarm water then dry them up in the shade It is recommended to clean the air filters every two weeks Air Purifying Filter green Replace approximately once every 3 months 1 Detach th...

Page 264: ...he heating operation is not used at the other room before you use the fan operation Operation with dirty filters 1 cannot deodorize the air 2 cannot clean the air 3 results in poor heating or cooling...

Page 265: ...m when the air conditioner is in defrost operation In COOL or DRY mode Moisture in the air condenses into water on the cool surface of outdoor unit piping and drips Mists come out of the indoor unit T...

Page 266: ...block the air inlet or the outlet of the indoor and the outdoor units Clean the air filters or take all obstacles away and turn the breaker OFF Then turn it ON again and try operating the air conditi...

Page 267: ...in troubles electric shocks or fire Consult the service shop where you bought the air conditioner Do not attempt to repair or modify the air conditioner by yourself Incorrect work may result in elect...

Page 268: ...SiEN18 622 256 System Configuration 3 Ceiling Mounted Cassette Type 3 1 FFQ 25 35 50 60 B 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...

Page 269: ...controls up to 16 indoor units All indoor units are equally set Two remote controls control system Two remote controls control one indoor unit In case of group control sytem one group of indoor units...

Page 270: ...iting concentration an oxygen deficiency 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 c...

Page 271: ...ines generating electromagnetic waves h Filled with acid and or alkaline steam or vapor Is a snow protection measure taken For details consult your dealer Regarding wiring All wiring must be performed...

Page 272: ...are in operation These are optional accessories DISPLAY OPERATION MODE DISPLAY TEST INSPECTION TEST OPERATION DISPLAY PROGRAMMED TIME DISPLAY SET TEMPERATURE DISPLAY FAN SPEED DISPLAY AIR FLOW FLAP P...

Page 273: ...ture inside the air conditioner reaches a certain level At this time the remote control displays Leave it as it stands and wait for a while When the warm air stays under the ceiling and your feet are...

Page 274: ...tering a room during cooling operation by using curtains or blinds Ventilate the room regularly Using the unit for long periods of time requires attentive ventilation of the room Do not place items th...

Page 275: ...more than 50 C as doing so may result in discoloration and or deformation Do not expose it to fire as doing so may result in burning 4 Fix the air filter 1 Hook the air filter to a protrusion on the...

Page 276: ...e operates to prevent overload of the system After 3 minutes the system will turn on again automatically The system does not restart immediately when TEMPERATURE SETTING button is returned to the form...

Page 277: ...PERATION This is the sound of refrigerant gas flowing through both indoor and outdoor units A Shuh sound which is heard at the start or immediately after the stop of operation or which is heard at the...

Page 278: ...ogged Ask a qualified service person to clean the air filters Refer to MAINTENANCE 3 The system operates but it does not sufficiently cool or heat If the air inlet or outlet of the indoor or the outdo...

Page 279: ...8 622 Ceiling Mounted Cassette Type System Configuration 267 3 2 FCQ 35 50 60 71 B 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...

Page 280: ...ther control systems beside individual control one remote control controls one indoor unit system Confirm the following if your unit is of the following control sytem type Group control system One rem...

Page 281: ...on where the refrigerant leaks For refrigerant leakage consult your dealer When the air conditioner is to be installed in a small room it is necessary to take proper measures so that the amount of any...

Page 282: ...fured 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...

Page 283: ...to and Heating are not installed 5 DISPLAY TEST INSPECTION TEST OPERATION When the INSPECTION TEST OPERATION BUTTON is pressed the display shows the system mode is in 6 DISPLAY PROGRAMMED TIME This di...

Page 284: ...m 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...

Page 285: ...nd set the time for stopping or starting the system When this button is pressed the time advances by 1 hour When this button is pressed the time goes backward by 1 hour Timer ON OFF Press the TIMER ON...

Page 286: ...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 Ca...

Page 287: ...ectric 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 cleaning air filters and outside panels How...

Page 288: ...annot be controlled by the remote control The system does not start immediately after the power supply is turned on Wait one minute until the micro computer is prepared for operation II White mist com...

Page 289: ...iately after the power supply 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...

Page 290: ...Mounted Cassette Type SiEN18 622 278 System Configuration 3 3 Ceiling Mounted Built in Type 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...

Page 291: ...control and two remote controls control sytem Names and functions of parts Refer to figure 2 on page 1 We recommend that you read this instruction manual carefully before use to gain full advantage o...

Page 292: ...r conditioner for other purposes Do not use the air conditioner for a special application such as the storage of foods animals and plants precision machines and art objects as otherwise the deteriorat...

Page 293: ...a separate power supply circuit is provided for this air conditioner and that all electrical work is carried out by qualified personnel according to local laws and regulations Pay attention to running...

Page 294: ...AY PROGRAMMED TIME This display shows the PROGRAMMED TIME of the system start or stop 7 DISPLAY SET TEMPERATURE This display shows the set temperature 8 DISPLAY FAN SPEED This display shows the set fa...

Page 295: ...systems A warm air circulation 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 automa...

Page 296: ...air will flow out and cause to descrease 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 in...

Page 297: ...n burning 4 Fix 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...

Page 298: ...m cannot be controlled by the remote control The system does not start immediately after the power supply is turned on Wait one minute until the micro computer is prepared for operation II White mist...

Page 299: ...system automatically restarts immediately after the power supply 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 ope...

Page 300: ...ing Mounted Cassette Type SiEN18 622 288 System Configuration 3 4 Ceiling Suspended Type 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 h...

Page 301: ...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 controls control sytem Names and funct...

Page 302: ...e and reinstall the air conditioner Incomplete installation may result in a failure a water leakage electric shock and fire Do not use any fuse with improper capacity IThe use of a piece of wire and w...

Page 303: ...lectromagnetic waves h Filled with acid and or alkaline steam or vapor Is a snow protection measure taken For details consult your dealer Regarding wiring All wiring must be performed by an authorized...

Page 304: ...DER CENTRAL IZED CONTROL When this display shows the system is UNDER CENTRALIZED CONTROL 4 DISPLAY VENTILATION AIR CLEANING This display shows that the total heat exchange and the air cleaning unit ar...

Page 305: ...f an outdoor unit increase heating effect decreases and the system goes into DEFROST OPERATION The indoor unit fan stops and the remote control display shows After 6 to 8 minutes maximum 10 minutes of...

Page 306: ...ON ADJUST button to select the air direction as following The AIR FLOW FLAP display swings as shown left and the air flow direction continuously varies Automatic swing setting Press AIR FLOW DIRECTION...

Page 307: ...system will start After the timer is programmed the display shows the remaining time Press the TIMER ON OFF button once again to cancel programming The display vanishes Observe the following precauti...

Page 308: ...nge is optional 1 Open the suction grille Slide both knobs simultaneously as shown and then pull them downward Do the same procedure for closing Refer Fig 2 2 Remove the air filters Push the 2 tabs up...

Page 309: ...ect the unit turn on the main power switch at least 6 hours before operation What to do when stopping the system for a long period Turn on FAN OPERATION for half a day and dry the unit Refer to 6 OPER...

Page 310: ...ne in the room IV Air blow direction is not as specified Actual air blow direction is not as shown on the remote control Automatic swing setting does not work Refer to Air flow direction adjust V Whit...

Page 311: ...power supply 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 o...

Page 312: ...SiEN18 622 Ceiling Mounted Cassette Type System Configuration 300...

Page 313: ...ter Drive Motor Shutter Limit Switch Abnormality 329 4 6 Check 330 5 Troubleshooting for SkyAir Indoor Unit 333 5 1 Indoor Unit PCB Abnormality 333 5 2 Malfunction of Drain Water Level System Float Ty...

Page 314: ...rt up Error 382 7 22 Malfunction of Transmission between Inverter and Control PCB 383 7 23 High Voltage of Capacitor in Main Inverter Circuit 384 7 24 Malfunction of Inverter Radiating Fin Temperature...

Page 315: ...nduct the diagnostic procedure described in the following pages Location of Operation Lamp In case of In case of FTK X S 20 25 35 D Series FTK X S 50 60 71 F Series FTK X S 25 35 E Series In case of F...

Page 316: ...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 th...

Page 317: ...reen 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 indica...

Page 318: ...FF 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 3P058760C OUTDOOR UNIT NO...

Page 319: ...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...

Page 320: ...Press the TEMP button Press TEMPs or TEMPt and change the digit until you hear the sound of beep or pi pi 3 Diagnose by the sound H pi The number of tens does not accord with the error code H pi pi Th...

Page 321: ...the sound H pi The both numbers of tens and units do not accord with the error code H pi pi The number of tens accords with the error code H beep The both numbers of tens and units accord with the er...

Page 322: ...or unit in normal condition Conduct a diagnosis of the outdoor unit A1 Indoor unit PCB abnormality 322 A5 Freeze up protection control or high pressure control heat pump model only 323 A6 Fan motor or...

Page 323: ...an be made Forced fan ON Air flow direction volume setting Indoor unit settings can be made Filter sign time Air flow direction Others Depress Inspection Test Operation button for more than 4 seconds...

Page 324: ...d 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 malfu...

Page 325: ...ontinue 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 lef...

Page 326: ...nters inspection mode from normal status when the INSPECTION TEST button is pressed If no button is pressed for 1 minute equipment returns to normal status Press MODE selector button If no button is p...

Page 327: ...onnected to this system 349 Indoor Unit LED Display H1P Remote Control Display Location of Malfunction Contents of Malfunction Details of Malfunction Reference Page Other than PC Board PC Board Outdoo...

Page 328: ...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...

Page 329: ...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...

Page 330: ...de 1 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 i...

Page 331: ...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...

Page 332: ...E1 PC board defect E2 PROM defect 359 E2 Faulty BP unit PCB 353 E3 Actuation of high pressure switch 360 E4 Actuation of low pressure switch 362 E5 Compressor motor lock 364 E6 Standard compressor loc...

Page 333: ...4 Malfunction of transmission between indoor and outdoor units etc 355 392 U5 Malfunction of transmission between remote control and indoor unit 347 394 U5 Failure of remote control PC board or settin...

Page 334: ...Causes Faulty indoor unit PCB Faulty connector connection Troubleshooting Note Connector Nos vary depending on models Control connector R1400 Be sure to turn off power switch before connect or discon...

Page 335: ...peration 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...

Page 336: ...ES Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Is there any short circuit Check the intake air filter Is it very dirty Check the dust accumu...

Page 337: ...eration halt due to breaking of the fan motor lead wires Operation halt due to faulty capacitor of the fan motor Detection error due to faulty control PCB Troubleshooting Check No 16 Refer to P 332 Ro...

Page 338: ...ne abnormal fan motor operation Malfunction Decision Conditions When the detected rotation speed is less than 50 of the H tap under maximum fan motor rotation demand Supposed Causes Operation halt due...

Page 339: ...r supply and disconnect fan motor connector then turn power ON Check No 01 Check output of fan motor connector Is motor power voltage DC 200V generated Is motor control power voltage DC 15V generated...

Page 340: ...ss 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 N...

Page 341: ...y broken relay harness or disconnected connector Detection error due to defective PCB 2 Foreign substance in blow port Troubleshooting Check No 03 Refer to P 330 Turn off the power Check No 03 Check t...

Page 342: ...an assembly Check the continuity of the switch connection The shutter can be opened and closed with hand Keep the shutter open and closed all the way for each continuity check steps 7 6 5 4 3 2 1 S1 o...

Page 343: ...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 R...

Page 344: ...the connector connected check the following Output voltage of about 5 V between pins 1 and 3 Generation of 3 pulses between pins 2 and 3 when the fan motor is operating Failure of 1 faulty PCB Replac...

Page 345: ...itions 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 Tro...

Page 346: ...odels 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 C...

Page 347: ...es display of malfunction A3 appear 220 240 VAC Continuity check of short circuit connector Set to emergency and check the voltage of X25A If A3 is detected by a PC board which is not mounted with X15...

Page 348: ...mal Possible failure of float switch Check to see if drain up height and horizontal pipe length exceed specifications Clogged drain water discharge system Clogged drain pump Faulty float switch Replac...

Page 349: ...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 Q0413 YES YES NO N...

Page 350: ...rom 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 disco...

Page 351: ...it PCB Turn off the power supply Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Q0414 Is the harness from the fan motor correctly conne...

Page 352: ...n 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...

Page 353: ...A on the PC board Does continuity no continuity reverse 220 240 VAC YES Turn the power supply off once and back on and measure the output voltage of connector X29A when the power supply is turned back...

Page 354: ...pacity setting adapter 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 capaci...

Page 355: ...e 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 351 Disconnect the heat exchanger...

Page 356: ...e 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 351 Disconnect the heat exchange...

Page 357: ...d 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 351 Disconnect the sunction air tempera...

Page 358: ...tor Malfunction Decision Conditions When the remote control thermistor becomes disconnected or shorted while the unit is running Supposed Causes Failure of sensor itself Broken wire Troubleshooting Ch...

Page 359: ...ES YES YES YES YES YES NO NO NO NO NO Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Control by 2 remote controls All indoor unit PCB m...

Page 360: ...ror between Main remote control and Sub remote control Connection among Sub remote controls Faulty remote control PCB Troubleshooting NO NO NO YES YES YES S2042 Controlling with 2 remote control Both...

Page 361: ...the field setting for pair twin system correct Do the microcomputer normal monitors HAP on all indoor unit PCB blink Turn the power supply off once and back on to restart Does the system conduct norma...

Page 362: ...er 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...

Page 363: ...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...

Page 364: ...n valve Incorrect connectors connection of electronic expansion valve Troubleshooting Q0390 NO YES NO Caution YES YES NO Be sure to turn off power switch before connect or disconnect connector or part...

Page 365: ...rom 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 tu...

Page 366: ...liquid or gas pipe temperature sensor Troubleshooting Temp Resistance 10 C 117k 0 C 67k 10 C 40k 20 C 25k 30 C 16k 40 C 10k 50 C 7k 60 C 5k 70 C 3k YES Is the resistance normal referring to the table...

Page 367: ...alfunction 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 Ind...

Page 368: ...en the indoor and outdoor units Replace indoor unit control PCB Locate the cause of the disturbance of the power supply waveform and correct it Check for indoor unit microcomputer normal HAP Push and...

Page 369: ...r supply wave Troubleshooting Check No 14 Refer to P 358 Turn the power supply off YES Is it normal NO Check the transmission wire between outdoor unit BP unit Is HAP on the outdoor unit PCB blinking...

Page 370: ...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...

Page 371: ...d 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 Troubles...

Page 372: ...e 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...

Page 373: ...he high pressure sensor Replace the main PCB The high pressure sensor is normal and the pressure detected with the PCB is also normal The high pressure has really become high Check No 01 Referring to...

Page 374: ...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 pres...

Page 375: ...pressure sensor is normal and the pressure detected with the PCB is also normal The low pressure has really become low Check No 2 Referring to information on page 404 remove the causes by which the lo...

Page 376: ...lock High differential pressure 0 5MPa or more Incorrect UVW wiring Faulty inverter PCB Stop valve is left in closed Troubleshooting Check the installation conditions Is the stop valve open NO Is the...

Page 377: ...nector 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...

Page 378: ...le 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...

Page 379: ...expansion valve is connected to X21A and X22A of outdoor unit PC board A1P Normal when coil check 1 of the moving part of the electronic expansion valve is checked The connecting cable is short circu...

Page 380: ...ischarge pipe temperature sensor Faulty connection of discharge pipe temperature sensor Faulty outdoor unit PCB Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on P407...

Page 381: ...charge Misalignment of the thermistor for heat exchanger Defect of the thermistor for heat exchanger Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on P407 V2797 Caut...

Page 382: ...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 P407 V3070 Caut...

Page 383: ...hermistor 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...

Page 384: ...upposed 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 P407 V3073...

Page 385: ...rmistor 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 t...

Page 386: ...mistor 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...

Page 387: ...d 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 P407 V307...

Page 388: ...eshooting 1 Voltage measurement point 2 Refer to Pressure Sensor pressure voltage characteristics table on P409 V2806 Caution NO NO YES YES Be sure to turn off power switch before connect or disconnec...

Page 389: ...1 Voltage measurement point 2 Refer to Pressure Sensor pressure voltage characteristics table on P409 V2808 Caution NO NO YES YES Be sure to turn off power switch before connect or disconnect connecto...

Page 390: ...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 Fault...

Page 391: ...leshooting Caution NO YES YES YES YES NO NO NO Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred The radiator fin temperature is supposed to have...

Page 392: ...l is displayed when the inverter output voltage is checked by tester V2812 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Compressor in...

Page 393: ...damage may be occurred Output current check The secondary current of the inverter is higher than 24 9A 260 sec for each phase Compressor inspection The compressor s coil is disconnected Disconnect the...

Page 394: ...before connect or disconnect connector or parts damage may be occurred Inverter output voltage check Inverter output voltage is not balanced Normal if within 5V Must be measured when frequency is stab...

Page 395: ...ween the inverter microcomputer and outdoor control microcomputer Defect of outdoor unit PCB Defect of noise filter External factor Noise etc Troubleshooting Caution NO YES NO YES Be sure to turn off...

Page 396: ...tion 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 circ...

Page 397: ...on is not decided while the unit operation is continued P4 will be displayed by pressing the inspection button Supposed Causes Defect of radiator fin temperature sensor Defect of outdoor unit PC board...

Page 398: ...ns 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 P152 Q0...

Page 399: ...ction 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...

Page 400: ...tdoor unit PC board A1P Replace low pressure sensor Out of gas or refrigerant system is clogged Requires check of refrigerant system Replace the thermistor Replace the low pressure sensor Replace the...

Page 401: ...unction 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 buil...

Page 402: ...ohms NO NO YES YES YES Replace the inverter PC board A1P Monitor the voltage Instantaneous voltage drop YES NO When the compressor is running measure the voltage between and of electrolytic capacitor...

Page 403: ...unction is decided when the unit starts operation without check operation Supposed Causes Check operation is not executed Troubleshooting V3052 Has the check operation performed on Outdoor unit PC boa...

Page 404: ...nction 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 t...

Page 405: ...f for 12 minutes or more Is indoor outdoor and outdoor outdoor unit transmission wiring normal Is indoor outdoor and outdoor outdoor unit transmission wiring normal The voltage between terminals L1 an...

Page 406: ...efect of remote control PCB Malfunction of transmission caused by noise Troubleshooting Caution V2823 NO YES YES NO NO NO YES YES YES NO Be sure to turn off power switch before connect or disconnect c...

Page 407: ...or specified period Supposed Causes Malfunction of transmission between main and sub remote control Connection between sub remote controls Defect of remote control PCB Troubleshooting Caution V2825 YE...

Page 408: ...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 el...

Page 409: ...The A1 display blinks onthe remote controls of other units within the same refrigerant system The A9 display blinks on the remote controls of other units within the same refrigerant system The U4 disp...

Page 410: ...depends on the type of outdoor unit Caution V3169 Normal NO NO YES YES NO YES Does a malfunction occur NO YES Be sure to turn off power switch before connect or disconnect connector or parts damage m...

Page 411: ...es Address duplication of centralized remote control Defect of indoor unit PCB Troubleshooting Caution V2828 YES NO Be sure to turn off power switch before connect or disconnect connector or parts dam...

Page 412: ...Detection Microcomputer checks if transmission between indoor unit and centralized remote control is normal Malfunction Decision Conditions When transmission is not carried out normally for a certain...

Page 413: ...n wiring disconnected or wired incorrectly Is transmission with all indoor units malfunctioning Is the transmission wiring with the master controller disconnected or wired incorrectly Is the master co...

Page 414: ...n 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 hour...

Page 415: ...es elapses from the time when electricity is introduced to indoor and outdoor units YES Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Is elect...

Page 416: ...nding 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...

Page 417: ...or 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 suc...

Page 418: ...ith 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...

Page 419: ...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...

Page 420: ...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...

Page 421: ...e PH Low Pressure PL Output Voltage VH VL Detected Pressure V3053 PH 1 38V 0 69 PL 0 57V 0 28 PH High pressure MPa VL Low pressure MPa V Voltage V PH Detected Pressure High Side MPa PL Detected Pressu...

Page 422: ...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 ch...

Page 423: ...riterion 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 d...

Page 424: ...Method of Replacing The Inverter s Power Transistors Modules SiEN18 622 412 Troubleshooting...

Page 425: ...EN18 622 Appendix 413 Part 9 Appendix 1 Piping Diagrams 414 1 1 Outdoor Units 414 1 2 BP Units 415 1 3 Indoor Units 416 2 Wiring Diagrams 422 2 1 Outdoor Units 422 2 2 BP Units 424 2 3 Indoor Units 42...

Page 426: ...ch Double pipe heat exchanger Filter Filter SP Solenoid valve Service port ACCUMULATOR Filter Heat exchanger Electronic expansion valve Four way valve Filter High pressure sensor Capillary tube Capill...

Page 427: ...Indoor unit Room A Room B 6 4CuT 6 4CuT Room A Room B Gas Liquid 3D048286B Refrigerant flow Outdoor unit Outdoor unit 9 5CuT 19 1CuT Heating Cooling Filter Filter EXPANSION VALVE BYPASS ELECTRONIC EVH...

Page 428: ...ger Refrigerant flow 6 4CuT 6 4CuT 4D050757A Cooling 9 5CuT 6 4CuT 7 9CuT M 6 4CuT 7 0CuT 9 5CuT 6 4CuT 6 4CuT 4D047912E Field piping Field piping Maffler assy Cross flow fan Fan motor Thermistor on h...

Page 429: ...eating CuT 6 4CuT 6 4CuT CuT M CDKS35CVMB CDXS25CVMA CDXS35CVMA FDXS25CVMB FDXS35CVMB FDXS25EAVMB FDXS35EAVMB CDKS25CVMA CDKS50CVMA CDKS60CVMA CDXS50DVMT CDXS60DVMT CDKS50DVMT CDKS60DVMT CDKS35CVMA CD...

Page 430: ...CuT M 4D048722A Field piping Field piping Sirocco flow fan Fan motor Thermistor on heat exch Indoor unit Heat exchanger Refrigerant flow Cooling Heating 6 4CuT 12 7CuT 9 5CuT 12 7CuT M 4D048724A Field...

Page 431: ...an Fan motor Indoor unit Heat exchanger Refrigerant flow Cooling Heating Cross flow fan Fan motor Single union joint Thermistor on heat exch 12 7CuT 6 4CuT 9 5CuT 9 5CuT M M 4 8CuT 4 8CuT 7 0CuT 7 0Cu...

Page 432: ...ger C 4D039335 Indoor heat exchanger Field piping Field piping C1220T 0 C1220T 0 6 4 6 4 9 5 12 7 15 9 9 5 To Outdoor unit Indoor unit MODEL 4D037995F FHQ35BUV1B FHQ35BVV1B FCQ35BVE FHQ50 60BUV1B FHQ5...

Page 433: ...1 100 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 Indoor heat exchanger Field...

Page 434: ...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...

Page 435: ...BLU M2F M1C Power supply V1A 220 240V 50Hz VLT 220V 60Hz RED K4R X37A Note 4 H5P X205A BS3 K1M X107A M1F X25A Z5C N 4 S1PH t X18A X17A DS1 U W V 3D051732C Movable connector Fixed connector Protective...

Page 436: ...Y1E Y3E TRANSFORMAR TERMINAL STRIP MOTOR OPERATED VALVE COIL 3D048438 ROOM A ROOM B ROOM C INDOOR INDOOR INDOOR FIELD WIRING 3 3 3 2 2 2 1 1 1 PCB OFF X3M X4M X5M 3 3 2 2 3 2 1 1 1 2 3 4 1 TRANSMISSI...

Page 437: ...STRIP MOTOR OPERATED VALVE COIL PILOT LAMP THERMISTOR DIP SWITCH ROOM B ROOM A ROOM C INDOOR INDOOR INDOOR FIELD WIRING 3 3 3 2 2 2 1 1 1 PCB OFF X3M X4M X5M 2 3 2 2 3 3 1 1 1 3 4 2 1 TRANSMISSION TR...

Page 438: ...FG M X1M 3 2 1 FIELD WIRING 3 2 1 OUTDOOR RED ORG YLW PNK BLU WHT BRN RED BLU ORG GRN WHT RED BLK YLW CAUTION NOTE THAT OPERATION WILL RESTART AUTOMATICALLY IF THE MAIN POWER SUPPLY IS TURNED OFF AND...

Page 439: ...S TURNED OFF AND THEN BACK ON AGAIN FRAME GROUND FUSE HARNESS PILOT LAMP FAN MOTOR SWING MOTOR PRINTED CIRCUIT BOARD THERMISTOR CONNECTOR OPERATION SWITCH TERMINAL STRIP PROTECTIVE EARTH PCB4 PCB3 PCB...

Page 440: ...WHT YLW C1 3 15A F1U Q1M M1F V1TR S1W X1M Z1C H1P H3P R1T R2T PCB1 PCB2 S1 S32 RTH1 GND H2 H3 H1 Z1C N 2 GRN GRN WHT BLK RED YLW YLW X1M 2 3 1 CAUTION FIELD WIRING 2 3 1 outdoor 3D045012K SIGNAL RECE...

Page 441: ...N AGAIN PROTECTIVE EARTH RUNNING CAPACITOR FUSE PILOT LAMP FAN MOTOR SWING MOTOR PRINTED CIRCUIT BOARD THERMISTOR CONNECTOR OPERATION SWITCH SW7 TERMINAL STRIP indoor H1P S1W S2W 4 S4W M2S H2P M1S PCB...

Page 442: ...OMBINATION SYSTEM CONFIRM ENGINEERING MATERIALS AND CATALOGS ETC BEFORE CONNECTING 5 GROUND THE SHIELD OF THE REMOTE CONTROL CORD TO THE INDOOR UNIT IN CASE OF USING SHIELD WIRE 6 SYMBOLS SHOW AS FOLL...

Page 443: ...INATION SYSTEM CONFIRM ENGINEERING MATERIALS AND CATALOGS ETC BEFORE CONNECTING 5 GROUND THE SHIELD OF THE REMOTE CONTROL CORD TO THE INDOOR UNIT IN CASE OF USING SHIELD WIRE 6 SYMBOLS SHOW AS FOLLOWS...

Page 444: ...CCORDANCE WITH THE ATTACHED INSTALLATION MANUAL 4 REMOTE CONTROL MODEL VARIES ACCORDING TO THE COMBINATION SYSTEM CONFIRM ENGINEERING MATERIALS AND CATALOGS ETC BEFORE CONNECTING 5 SYMBOLS SHOW AS FOL...

Page 445: ...N THE WIRELESS REMOTE CONTROL KIT IS BEING USED 5 REMOTE CONTROL MODEL VARIES ACCORDING TO THE COMBINATION SYSTEM CONFIRM ENGINEERING MATERIALS AND CATALOGS ETC BEFORE CONNECTING 6 IN CASE INSTALLING...

Page 446: ...Wiring Diagrams SiEN18 622 434 Appendix...

Page 447: ...fan motor connector output check 330 350 Hall IC check 332 limit switch continuity check 330 power supply waveforms check 358 thermistor resistance check 331 351 check for causes of drop in low pressu...

Page 448: ...utdoor unit 152 forced fan on 179 forced operation ON OFF switch 60 freeze up protection control 111 134 freeze up protection control or high pressure control 323 FU 69 FU1 60 62 64 66 function outlin...

Page 449: ...exchanger thermistor R3T 344 malfunction of high pressure sensor 376 malfunction of indoor unit fan motor 338 malfunction of inverter radiating fin temperature rise 379 malfunction of inverter radiat...

Page 450: ...n 105 R refrigerant circuit 84 refrigerant flow for each operation mode 88 refrigerant overcharged 369 refrigerant recovery mode 168 remote control 307 remote control thermistor 346 remote control the...

Page 451: ...4 troubleshooting with the operation lamp 303 U U 54 U0 387 U2 389 U3 391 U4 355 392 U5 347 394 U8 348 395 U9 396 UA 349 398 UC 399 UE 400 UF 402 UH 403 UJ 357 unit No change 179 V V 54 V1 60 62 64 66...

Page 452: ...SiEN18 622 vi Index...

Page 453: ...by dip switches 152 wired remote control 171 infrared remote control 172 freeze up protection control 111 134 freeze up protection control or high pressure control 323 full closing of electronic expa...

Page 454: ...DXS25 35EAVMT 417 FBQ60 71BV1 421 FBQ60 71BVL 421 FCQ35 50 60 71BVE 420 FDKS25 35CAVMB 417 FDKS25 35EAVMB 417 FDKS50 60CVMB 417 FDXS25 35 50 60CVMA 417 FFQ25 35 50 60B8V1B 420 FHQ35 50 60BVV1B 421 FLX...

Page 455: ...infrared remote control field setting 172 wiring diagrams BPMKS967A2 424 BPMKS967A3 424 BPMKS967B2B 425 BPMKS967B3B 425 CDKS25 35 50 60CVMA 428 CDKS25 35EAVMA 428 CDXS25 35 50 60CVMA 428 CDXS25 35 50...

Page 456: ...h the European regulations that guarantee the safety of the product SiEN18 622 02 2007 Prepared in Belgium by Lannoo Copyright Daikin The present publication is drawn up by way of information only and...

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