Daikin Super Multi NX FFQ25B8V1B Service Manual Download Page 7

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SiBE121021_C

Table of Contents

8.12 Outdoor Fan System Check .................................................................369
8.13 Capacitor Voltage Check......................................................................369
8.14 Power Module Check ...........................................................................369

Part 7 Removal Procedure ........................................................370

1. Outdoor Unit - 50~75 Class.................................................................371

1.1

Removal of Outer Panels .....................................................................371

1.2

Removal of Electrical Box ....................................................................375

1.3

Removal of PCBs .................................................................................383

1.4

Removal of Outdoor Fan / Fan Motor...................................................388

1.5

Removal of Sound Blankets .................................................................390

1.6

Removal of Coils / Thermistors ............................................................394

1.7

Removal of Distributor..........................................................................397

1.8

Removal of Four Way Valve.................................................................398

1.9

Removal of Compressor.......................................................................399

2. Outdoor Unit - 80/90 Class..................................................................401

2.1

Removal of Outer Panels .....................................................................401

2.2

Removal of Electrical Box ....................................................................417

2.3

Removal of PCBs .................................................................................423

2.4

Removal of Fan Motor..........................................................................427

2.5

Removal of Coils / Thermistors ............................................................428

2.6

Removal of Sound Blankets .................................................................434

2.7

Removal of Compressor.......................................................................437

Part 8 Trial Operation and Field Settings................................. 438

1. Pump Down Operation........................................................................439
2. Forced Operation ................................................................................440
3. Wiring Error Check Function ...............................................................441
4. Trial Operation ....................................................................................443

4.1

RA Indoor Unit - F(C)TXG, FTXS, ATXS, FVXS,
FLK(X)S, FDK(X)S Series ....................................................................443

4.2

SA Indoor Unit - FFQ, FCQ, FDBQ, FBQ, FHQ Series........................445

5. Field Settings ......................................................................................447

5.1

RA Indoor Unit - F(C)TXG, FTXS, ATXS, FVXS,
FLK(X)S, FDK(X)S Series ....................................................................447

5.2

SA Indoor Unit - FFQ, FCQ, FDBQ, FBQ, FHQ Series........................451

5.3

Outdoor Unit .........................................................................................459

6. Application of Silicon Grease to a Power Transistor and

a Diode Bridge ....................................................................................462

Part 9 Appendix.........................................................................463

1. Piping Diagrams..................................................................................464

1.1

Indoor Unit............................................................................................464

1.2

Outdoor Unit .........................................................................................470

2. Wiring Diagrams..................................................................................475

2.1

Indoor Unit............................................................................................475

2.2

Outdoor Unit .........................................................................................483

Summary of Contents for Super Multi NX FFQ25B8V1B

Page 1: ...Service Manual SiBE121021_C E Series F Series G Series Applied Models Inverter Multi Cooling Only Inverter Multi Heat Pump...

Page 2: ...FV1B FFQ50B8V1B FBQ50C7VEB FTXS42G2V1B FLKS25BAVMB FFQ60B8V1B FBQ60C7VEB FTXS50G2V1B FLKS35BAVMB FCQ35C7VEB FHQ35BVV1B FTXS20J2V1B FLKS50BAVMB FCQ50C7VEB FHQ50BVV1B FTXS25J2V1B FLKS60BAVMB FCQ60C7VEB...

Page 3: ...B FHQ35BVV1B CTXG50JV1BS FLXS50BAVMB FCQ50C7VEB FHQ50BVV1B FTXS20G2V1B FLXS60BAVMB FCQ60C7VEB FHQ60BVV1B FTXS25G2V1B FDXS25EAVMB FCQ35C8VEB FTXS35G2V1B FDXS35EAVMB FCQ50C8VEB FTXS42G2V1B FDXS50CVMB FC...

Page 4: ...d Dual Type 61 1 4 Duct Connected Type 63 1 5 Ceiling Mounted Cassette Type 65 1 6 Ceiling Mounted Built in Type 69 1 7 Ceiling Suspended Type 74 2 Remote Controller 76 2 1 Wired Remote Controller 76...

Page 5: ...m Configuration 129 2 RA Indoor Unit 130 2 1 FTXG CTXG Series ARC466A1 130 2 2 FTXS FVXS Series ARC452A1 A3 154 2 3 ATXS FLK X S FDK X S Series ARC433B67 B68 B69 B76 190 3 SA Indoor Unit FFQ FCQ FDBQ...

Page 6: ...lity 335 7 3 OL Activation Compressor Overload 336 7 4 Compressor Lock 337 7 5 DC Fan Lock 338 7 6 Input Overcurrent Detection 339 7 7 Discharge Pipe Temperature Control 340 7 8 High Pressure Control...

Page 7: ...f PCBs 423 2 4 Removal of Fan Motor 427 2 5 Removal of Coils Thermistors 428 2 6 Removal of Sound Blankets 434 2 7 Removal of Compressor 437 Part 8 Trial Operation and Field Settings 438 1 Pump Down O...

Page 8: ...ower cable plug from the plug socket before disassembling the equipment for repair Working on the equipment that is connected to the power supply may cause an electrical shock If it is necessary to su...

Page 9: ...electrical 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...

Page 10: ...eat generation or fire When wiring between the indoor and outdoor units make sure that the terminal cover does not lift off or dismount because of the cable If the cover is not mounted properly the te...

Page 11: ...ent children from swallowing it If a child swallows the coin battery see a doctor immediately Warning Caution Installation of a leakage breaker is necessary in some cases depending on the conditions o...

Page 12: ...e to install the packing and seal on the installation frame properly If the packing and seal are not installed properly water may enter the room and wet the furniture and floor For unitary type only C...

Page 13: ...SiBE121021_C List of Functions 1 Part 1 List of Functions 1 Functions 2 1 1 Cooling Only Indoor Unit 2 1 2 Cooling Only Outdoor Unit 8 1 3 Heat Pump Indoor Unit 9 1 4 Heat Pump Outdoor Unit 16...

Page 14: ...bility Auto Restart after Power Failure 3 D Airflow Self Diagnosis Digital LED Display COMFORT AIRFLOW Operation Wiring Error Check Function Comfort Control Auto Fan Speed Anti Corrosion Treatment of...

Page 15: ...Digital LED Display COMFORT AIRFLOW Operation Wiring Error Check Function Comfort Control Auto Fan Speed Anti Corrosion Treatment of Outdoor Heat Exchanger Indoor Unit Quiet Operation Flexibility Mul...

Page 16: ...ailure 3 D Airflow Self Diagnosis Digital LED Display COMFORT AIRFLOW Operation Wiring Error Check Function Comfort Control Auto Fan Speed Anti Corrosion Treatment of Outdoor Heat Exchanger Indoor Uni...

Page 17: ...Self Diagnosis Digital LED Display Comfort Control Auto Fan Speed Wiring Error Check Function Indoor Unit Quiet Operation Anti Corrosion Treatment of Outdoor Heat Exchanger NIGHT QUIET Mode Automatic...

Page 18: ...bility Auto Restart after Power Failure Indoor Unit Quiet Operation Self Diagnosis Digital LED Display NIGHT QUIET Mode Automatic Wiring Error Check Function OUTDOOR UNIT QUIET Operation Manual Anti C...

Page 19: ...COMFORT AIRFLOW Operation Self Diagnosis Digital LED Display Comfort Control Auto Fan Speed Wiring Error Check Function Indoor Unit Quiet Operation Anti Corrosion Treatment of Outdoor Heat Exchanger...

Page 20: ...art after Power Failure 3 D Airflow Self Diagnosis Digital LED Display COMFORT AIRFLOW Operation Wiring Error Check Function Comfort Control Auto Fan Speed Anti Corrosion Treatment of Outdoor Heat Exc...

Page 21: ...LED Display 3 D Airflow Wiring Error Check Function COMFORT AIRFLOW Operation Anti Corrosion Treatment of Outdoor Heat Exchanger Comfort Control Auto Fan Speed Indoor Unit Quiet Operation Flexibility...

Page 22: ...tal Auto Swing Right and Left Self Diagnosis Digital LED Display 3 D Airflow Wiring Error Check Function COMFORT AIRFLOW Operation Anti Corrosion Treatment of Outdoor Heat Exchanger Comfort Control Au...

Page 23: ...sis Digital LED Display 3 D Airflow Wiring Error Check Function COMFORT AIRFLOW Operation Anti Corrosion Treatment of Outdoor Heat Exchanger Comfort Control Auto Fan Speed Flexibility Multi Split Spli...

Page 24: ...nd Left Self Diagnosis Digital LED Display 3 D Airflow Wiring Error Check Function COMFORT AIRFLOW Operation Anti Corrosion Treatment of Outdoor Heat Exchanger Comfort Control Auto Fan Speed Flexibili...

Page 25: ...D Display COMFORT AIRFLOW Operation Wiring Error Check Function Comfort Control Auto Fan Speed Anti Corrosion Treatment of Outdoor Heat Exchanger Indoor Unit Quiet Operation Flexibility Multi Split Sp...

Page 26: ...ability Auto Restart after Power Failure Indoor Unit Quiet Operation Self Diagnosis Digital LED Display NIGHT QUIET Mode Automatic Wiring Error Check Function OUTDOOR UNIT QUIET Operation Manual Anti...

Page 27: ...Self Diagnosis Digital LED Display COMFORT AIRFLOW Operation Wiring Error Check Function Comfort Control Auto Fan Speed Anti Corrosion Treatment of Outdoor Heat Exchanger Indoor Unit Quiet Operation F...

Page 28: ...estart after Power Failure Horizontal Auto Swing Right and Left Self Diagnosis Digital LED Display 3 D Airflow Wiring Error Check Function COMFORT AIRFLOW Operation Anti Corrosion Treatment of Outdoor...

Page 29: ...SiBE121021_C Specifications 17 Part 2 Specifications 1 Specifications 18 1 1 Cooling Only Indoor Unit 18 1 2 Cooling Only Outdoor Unit 29 1 3 Heat Pump Indoor Unit 31 1 4 Heat Pump Outdoor Unit 45...

Page 30: ...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 3D066471 3D066472 Conversion Formulae kcal h kW 860 Btu h kW 3412 cfm m min 35 3 Model...

Page 31: ...Piping Connection Liquid mm 6 4 6 4 Gas mm 12 7 9 5 Drain mm 18 0 18 0 Drawing No 3D059731 3D070569A Model FTXS25J2V1B FTXS35J2V1B Rated Capacity 2 5 kW Class 3 5 kW Class Front Panel Color White Whit...

Page 32: ...Connection Liquid mm 6 4 6 4 Gas mm 9 5 12 7 Drain mm 18 0 18 0 Drawing No 3D070572A 3D070573A Model FTXS60GV1B FTXS71GV1B Rated Capacity 6 0 kW Class 7 1 kW Class Front Panel Color White White Airflo...

Page 33: ...t Gross Mass kg 18 18 Operation Sound H M L SL dB A 38 32 26 23 39 33 27 24 Sound Power dB A 54 55 Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes Piping Connection Liquid mm 6 4 6...

Page 34: ...iquid and Gas 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 3D071658 3D071659 Model FLKS50BAVMB FLKS60BAVMB Rated Capacity 5 0 W Clas...

Page 35: ...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 3D060036 3D060037 Model FDKS50CVMB FDKS60CVMB Rated Capacity 5 0 kW Class 6 0 kW Class Front Panel Color Airflow Rates...

Page 36: ...iping 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 3D060406 3D060408 Model FFQ50B8V1B FFQ60B8V1B Rated Capacity 5 0 kW Class 6 0 kW Class Decor...

Page 37: ...H dB A 49 49 Heat Insulation Foamed polystyrene Foamed polyethylene Foamed polystyrene Foamed polyethylene Piping Connection Liquid mm 6 35 Flare 6 35 Flare Gas mm 9 52 Flare 12 7 Flare Drain mm VP25...

Page 38: ...27 31 27 Sound Power H dB A 49 49 Heat Insulation Foamed polystyrene Foamed polyethylene Foamed polystyrene Foamed polyethylene Piping Connection Liquid mm 6 35 Flare 6 35 Flare Gas mm 9 52 Flare 12 7...

Page 39: ...ection Liquid mm 6 35 6 35 Flare Gas mm 9 52 9 52 Flare Drain mm O D 27 2 VP25 O D 32 I D 25 Model FBQ50C7VEB FBQ60C7VEB Rated Capacity 5 0 kW Class 6 0 kW Class Decoration Panel Color White White Dim...

Page 40: ...d H L dB A 37 32 38 33 Sound Power dB A 53 54 Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 12 7 Drain mm VP20 O D 26 I D 20 VP20 O...

Page 41: ...936 300 Packaged Dimensions H W D mm 797 992 390 797 992 390 Weight Mass kg 49 49 Gross Weight Gross Mass kg 56 56 Operation Sound dB A 46 46 Sound Power dB A 59 59 Piping Connection Liquid mm 6 4 3 6...

Page 42: ...Packaged Dimensions H W D mm 797 992 390 900 925 390 Weight Mass kg 57 69 Gross Weight Gross Mass kg 61 78 Operation Sound dB A 48 48 Sound Power dB A 61 62 Piping Connection Liquid mm 6 4 4 6 4 5 Gas...

Page 43: ...ipes Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 9 5 Drain mm 16 0 or 18 0 16 0 or 18 0 Drawing No 3D066165A 3D066436A Model FTXG35JV1BW FTXG35JV1BS Cooling Heating Cooling Heating Rated Capacity 3...

Page 44: ...ping Connection Liquid mm 6 4 6 4 Gas mm 12 7 12 7 Drain mm 16 0 or 18 0 16 0 or 18 0 Drawing No 3D066439B 3D066440B Model FTXS20G2V1B FTXS25G2V1B Cooling Heating Cooling Heating Rated Capacity 2 0 kW...

Page 45: ...es Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 9 5 Drain mm 18 0 18 0 Drawing No 3D066470 3D059725 Model FTXS50G2V1B FTXS20J2V1B Cooling Heating Cooling Heating Rated Capacity 5 0 kW Class 2 0 kW C...

Page 46: ...Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 9 5 Drain mm 18 0 18 0 Drawing No 3D070565A 3D070566A Model FTXS42J2V1B FTXS50J2V1B Cooling Heating Cooling Heating Rated Capacity 4 2 kW Class 5 0 kW Cl...

Page 47: ...Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 9 5 Drain mm 18 0 18 0 Drawing No 3D066475 3D066476 Model ATXS35G2V1B ATXS42G2V1B Cooling Heating Cooling Heating Rated Capacity 3 5 kW Class 4 2 kW Clas...

Page 48: ...ite White Airflow Rates H m min cfm 16 0 565 17 2 607 17 2 607 19 5 689 M 13 5 477 14 9 526 14 5 512 16 7 590 L 11 3 399 12 6 445 11 5 406 14 2 501 SL 10 1 357 11 3 399 10 5 371 12 6 445 Fan Type Cros...

Page 49: ...kg 14 14 Gross Weight Gross Mass kg 18 18 Operation Sound H M L SL dB A 38 32 26 23 38 32 26 23 39 33 27 24 39 33 27 24 Sound Power dB A 54 54 55 55 Heat Insulation Both Liquid and Gas Pipes Both Liqu...

Page 50: ...tion 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 18 0 18 0 Drawing No 3D059564 3D059567 Model FLXS50BAVMB FLXS60BAVMB Cooling Heatin...

Page 51: ...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 3D060029 3D060030 Model FDXS50CVMB FDXS60CVMB Cooling Heating Cooling Heating Rated Capacity 5 0 kW Class 6 0 kW Class Fron...

Page 52: ...g 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 3D060405 3D060407 Model FFQ50B8V1B FFQ60B8V1B Cooling Heating Cooling Heating Rated Capacity 5 0...

Page 53: ...7 Sound Power H dB A 49 49 Heat Insulation Foamed polystyrene Foamed polyethylene Foamed polystyrene Foamed polyethylene Piping Connection Liquid mm 6 35 Flare 6 35 Flare Gas mm 9 52 Flare 12 7 Flare...

Page 54: ...H L dB A 31 27 31 27 Sound Power H dB A 49 49 Heat Insulation Foamed polystyrene Foamed polyethylene Foamed polystyrene Foamed polyethylene Piping Connection Liquid mm 6 35 Flare 6 35 Flare Gas mm 9...

Page 55: ...ing Connection Liquid mm 6 35 6 35 Flare Gas mm 9 52 9 52 Flare Drain mm O D 27 2 VP25 O D 32 I D 25 Model FBQ50C7VEB FBQ60C7VEB Cooling Heating Cooling Heating Rated Capacity 5 0 kW Class 6 0 kW Clas...

Page 56: ...2 Operation Sound H L dB A 37 32 38 33 Sound Power dB A 53 54 Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 12 7 Drain mm VP20 O D...

Page 57: ...Dimensions H W D mm 735 936 300 Packaged Dimensions H W D mm 797 992 390 Weight Mass kg 49 Gross Weight Gross Mass kg 56 Operation Sound dB A 46 47 Sound Power dB A 59 60 Piping Connection Liquid mm...

Page 58: ...10 Starting Current A 6 2 6 2 Dimensions H W D mm 735 936 300 735 936 300 Packaged Dimensions H W D mm 797 992 390 797 992 390 Weight Mass kg 58 58 Gross Weight Gross Mass kg 63 63 Operation Sound dB...

Page 59: ...W D mm 770 900 320 770 900 320 Packaged Dimensions H W D mm 900 925 390 900 925 390 Weight Mass kg 72 73 Gross Weight Gross Mass kg 80 80 Operation Sound dB A 48 49 52 52 Sound Power dB A 60 66 Pipin...

Page 60: ...320 Packaged Dimensions H W D mm 992 390 797 900 925 390 Weight Mass kg 49 72 Gross Weight Gross Mass kg 56 80 Operation Sound dB A 46 47 48 49 Sound Power dB A 59 60 60 Piping Connection Liquid mm 6...

Page 61: ...0 1 1 Wall Mounted Type 50 1 2 Floor Standing Type 59 1 3 Floor Ceiling Suspended Dual Type 61 1 4 Duct Connected Type 63 1 5 Ceiling Mounted Cassette Type 65 1 6 Ceiling Mounted Built in Type 69 1 7...

Page 62: ...nt panel mechanism and limit switch 6 S46 Connector for signal receiver display PCB 7 S200 Connector for fan motor 8 H1 H2 H3 FG Connector for terminal board 9 JB Fan speed setting when compressor sto...

Page 63: ...SiBE121021_C Indoor Unit Printed Circuit Board Connector Wiring Diagram 51 PCB Detail A1P Control PCB S42 S41 S32 JB JC S200 H3 H2 FG S46 S21 S25 LED A V1 F1U H1 2P254830 1...

Page 64: ...Indoor Unit SiBE121021_C 52 Printed Circuit Board Connector Wiring Diagram A3P INTELLIGENT EYE Sensor PCB A2P Signal Receiver Display PCB S52 S51 S1W JA H2P H1P 3P254832 1 S36 3P255914 1...

Page 65: ...S46 Connector for display PCB 7 S47 Connector for signal receiver PCB 8 H1 H2 H3 FG Connector for terminal board 9 JA Address setting jumper Refer to page 447 for detail JB Fan speed setting when comp...

Page 66: ...Indoor Unit SiBE121021_C 54 Printed Circuit Board Connector Wiring Diagram PCB Detail PCB 1 Control PCB V1 FU1 S1 S41 S21 S47 JB JA JC S46 S25 LED A S32 FG H1 H2 H3 2P206687 1...

Page 67: ..._C Indoor Unit Printed Circuit Board Connector Wiring Diagram 55 PCB 2 Signal Receiver PCB PCB 3 Display PCB PCB 4 INTELLIGENT EYE Sensor PCB 3P210728 1 S48 3P210728 1 RTH1 SW1 S49 LED3 LED2 LED1 3EB8...

Page 68: ...lay PCB 7 S47 Connector for signal receiver PCB 8 H1 H2 H3 FG Connector for terminal board 9 V1 Varistor 10 JA Address setting jumper Refer to page 447 for detail JB Fan speed setting when compressor...

Page 69: ...SiBE121021_C Indoor Unit Printed Circuit Board Connector Wiring Diagram 57 PCB Detail PCB 1 Control PCB 2P227881 2 V1 H1 H2 H3 LED A S32 S1 S41 S46 S25 S47 S21 JB JA JC FG FU1 3 15A...

Page 70: ...t SiBE121021_C 58 Printed Circuit Board Connector Wiring Diagram PCB 2 Signal Receiver PCB PCB 3 Display PCB PCB 4 INTELLIGENT EYE Sensor PCB S48 3P247309 1 LED1 LED2 LED3 SW1 S49 RTH1 3P247309 1 S36...

Page 71: ...nnector for display PCB 8 S48 Connector for sensor PCB 9 H1 H2 H3 Connector for terminal board 10 E1 Terminal for earth 11 V1 V2 Varistor 12 JA Address setting jumper Refer to page 447 for detail JB F...

Page 72: ...Diagram PCB Detail PCB 1 Sensor PCB PCB 2 Control PCB PCB 3 Service PCB PCB 4 Display PCB LED3 does not function S49 RTH2 3P191450 1 S1 LED A S21 S41 S42 S26 S46 S48 S32 JC JA JB V1 V2 H1 FU1 2P19144...

Page 73: ...power supply PCB 8 JA Address setting jumper Refer to page 447 for detail JB Fan speed setting when compressor stops for thermostat OFF JC Power failure recovery function Refer to page 450 for detail...

Page 74: ...Control PCB PCB 2 Power Supply PCB PCB 3 Display PCB PCB 4 Signal Receiver PCB SW2 S7 S6 S24 JC JB JA S37 S32 S26 S21 LED A 2P084352 3 S36 FU1 H2 H3 H4 H5 H6 H1 V1 2P084361 1 LED3 LED2 LED1 S25 2P0843...

Page 75: ...or heat exchanger thermistor 6 H1 H2 H3 GND Connector for terminal board 7 JA Address setting jumper Refer to page 447 for detail JB Fan speed setting when compressor stops for thermostat OFF JC Power...

Page 76: ...SiBE121021_C 64 Printed Circuit Board Connector Wiring Diagram PCB Detail PCB 1 Control PCB PCB 2 Display PCB S1 H2 S7 S26 S32 JC JB JA S21 2P131149 1 LED A FU1 H1 H3 V1 GND S1 LED3 LED2 LED1 SW1 2P08...

Page 77: ...anger thermistor 5 X19A Connector for room temperature thermistor 6 X20A Connector for fan motor 7 X24A Connector for signal receiver PCB when the wireless remote controller is used 8 X25A Connector f...

Page 78: ...Indoor Unit SiBE121021_C 66 Printed Circuit Board Connector Wiring Diagram PCB Detail A1P Control PCB X25A X18A X61A X36A X40A X17A X15A HAP X5A X35A X24A X60A X19A X11A X33A X10A X27A X20A 2P095006 8...

Page 79: ...eceiver PCB when the wireless remote controller is used 6 X25A Connector for drain pump motor 7 X27A Connector for terminal board for inter unit wiring 8 X30A Connector for terminal board for wired re...

Page 80: ...E121021_C 68 Printed Circuit Board Connector Wiring Diagram PCB Detail A1P Control PCB A2P Sensor PCB X25A X30A X15A X18A X16A X36A X27A X20A HAP X24A X17A SS1 X70A X35A X33A 2P233635 3 2P233635 7 CN1...

Page 81: ...or heat exchanger thermistor 5 X18A Connector for liquid pipe thermistor 6 X19A Connector for room temperature thermistor 7 X21A Connector for fan motor 8 X25A Connector for drain pump motor 9 X27A Co...

Page 82: ...Indoor Unit SiBE121021_C 70 Printed Circuit Board Connector Wiring Diagram PCB Detail A1P Control PCB X27A X25A X11A X33A X61A X15A X18A X19A X17A X21A X40A X5A X10A X35A X60A SS1 HAP 2P095008 8...

Page 83: ...board for wired remote controller 9 X33A Connector for wiring adaptor PCB option 10 X35A Connector for group control adaptor option 11 X70A Connector for fan PCB 12 X85A Connector for multi zoning 13...

Page 84: ...Indoor Unit SiBE121021_C 72 Printed Circuit Board Connector Wiring Diagram PCB Detail A1P Control PCB X17A X70A X85A SS1 X18A X15A X30A X16A HAP X33A X35A X27A X28A X25A 2P202878 3...

Page 85: ...21_C Indoor Unit Printed Circuit Board Connector Wiring Diagram 73 A2P Fan PCB for FBQ35 50C7VEB A2P Fan PCB for FBQ60C7VEB F4U X10A X3A X8A F2U HAP X6A 2P207230 1 F3U X6A X10A X9A X1A X2A X3A HAP 2P2...

Page 86: ...indoor heat exchanger thermistor 6 X19A Connector for room temperature thermistor 7 X20A X26A Connector for fan motor 8 X24A Connector for signal receiver PCB when the wireless remote controller is u...

Page 87: ..._C Indoor Unit Printed Circuit Board Connector Wiring Diagram 75 PCB Detail A1P Control PCB 2P095007 7 EC0606 A X19A X18A X40A X15A X14A X61A X33A X27A X20A X11A X17A X35A X60A X5A X10A HAP X24A X26A...

Page 88: ...Wiring Diagram 2 Remote Controller 2 1 Wired Remote Controller 2 1 1 BRC1D528 Connectors and Other Parts PCB Detail 1 P1 P2 Terminal for indoor unit 2 R1T Room temperature thermistor 3 SS1 MAIN SUB se...

Page 89: ...C Remote Controller Printed Circuit Board Connector Wiring Diagram 77 2 1 2 BRC1E51A7 Connectors and Other Parts PCB Detail 1 P1 P2 Terminal for indoor unit 2 R1T Room temperature thermistor P2 R1T P1...

Page 90: ...iver PCB A4P Display PCB 1 X1A Connector for display PCB 2 X2A Connector for control PCB 3 SS1 MAIN SUB setting switch SS2 Address setting switch Refer to page 456 for detail 1 X1A Connector for signa...

Page 91: ...Display PCB BRC7E530W 531W LED5 and LED6 do not function A4P Display PCB BRC7F532F 533F LED5 and LED6 do not function A4P Display PCB BRC7EA63W 66 LED5 and LED6 do not function 3P156326 2 X2A SS2 SS1...

Page 92: ...Connector for four way valve coil 12 S90 Connector for thermistors outdoor temperature outdoor heat exchanger discharge pipe temperature 13 S92 Connector for gas pipe thermistor 14 S93 Connector for...

Page 93: ...58 class PCB 1 Main PCB 68 75 class V3 V11 AC1 FU2 HR1 HR2 FU3 2P165232 2 2P165232 4 S40 S20 S70 S90 S93 S92 S23 S21 S22 S51 S10 AC2 S15 S101 V5 S80 V6 V2 FU1 E1 E2 W V U V3 AC1 E1 E2 FU2 HR1 V100 HR...

Page 94: ...r 4 rooms PCB 2 Service Monitor PCB for 5 rooms V3 AC1 E1 E2 FU2 HR1 white V100 HR2 blue FU3 S40 S20 S21 S22 S23 S70 S90 S92 S93 S51 W V U S15 AC2 S101 S10 V5 S80 V9 V2 S24 FU1 2P171491 1 2P171491 2 S...

Page 95: ...tion 100 1 15 Other Functions 102 2 Function of Indoor Unit SA Models 104 2 1 Drain Pump Control 104 2 2 Thermostat Sensor in Remote Controller 106 2 3 Freeze Prevention Control 108 2 4 Hot Start Cont...

Page 96: ...during normal operation The target frequency is set by the following 2 parameters coming from the operating indoor unit The load condition of the operating indoor unit The difference between the room...

Page 97: ...ting and cooling Once the set temperature is reached the energy saving operation enables to maintain the room temperature at low power Frequency Limits The following functions regulate the minimum and...

Page 98: ...the fan banned area Control Flow Timing Chart 1 Opening the front panel fully Start Running 2 Output of the D signal after the front panel starts moving 4 Making the fan rotate when the flap passes ov...

Page 99: ...uvers made of elastic synthetic resin provide a wide range of airflow that guarantees a comfortable air distribution Auto Swing The following table explains the auto swing process for cooling dry heat...

Page 100: ...are alternated and the airflow direction changes in the order shown in the following diagram 1 The vertical blades louvers move from the right to the left 2 The horizontal blades flaps move downward 3...

Page 101: ...awing explains the principle of fan speed control for cooling Wall Mounted Type Floor Standing Type In automatic fan speed operation upper limit is at M tap in 30 minutes from the operation start Floo...

Page 102: ...e inoperable in this mode Detail The microcomputer automatically sets the temperature and airflow rate The difference between the room thermistor temperature at start up and the target temperature is...

Page 103: ...as follows Tr means the room thermistor temperature 1 Heating Cooling switching point Tr Tt 3 0 C wall mounted type FTXG and CTXG series FTXS series 60 71 class Tr Tt 2 5 C other models 2 Cooling Hea...

Page 104: ...resumes from defrost control in any zones except A The operation turns on in any zones except A The monitoring time has passed while the temperature difference is in the zone B Cooling Dry 10 minutes...

Page 105: ...0 Class Floor Standing Type Floor Ceiling Suspended Dual Type Duct Connected Type Refer to Temperature Control on page 84 for detail OFF ON B A C 1 5 C 2 0 C 0 5 C Room thermistor temperature target t...

Page 106: ...ble sleeping conditions and also conserves electricity Cooling Wall Mounted Type Floor Standing Type Floor Ceiling Suspended Dual Type Duct Connected Type Heating R10870 TIMER operation NIGHT SET Circ...

Page 107: ...ireless remote controller by pushing the ECONO button When this function is activated the maximum capacity decreases The remote controller can send the ECONO command when the unit is in cooling heatin...

Page 108: ...ME LEAVE is indicated on the display of the remote controller The indoor unit is operated according to the set temperature and airflow rate for HOME LEAVE which were pre set in the memory of the remot...

Page 109: ...e output The microcomputer in the indoor unit carries out a sampling every 20 msec and if it detects 10 cycles of the wave in one second in total corresponding to 20 msec 10 200 msec and when the ON s...

Page 110: ...d B Shift the airflow direction to area B left side 2 Detection signal ON in area A Shift the airflow direction to area B left side 3 Detection signal ON in area B Shift the airflow direction to area...

Page 111: ...s in the room as the motion signal is ON 2 The motions for example in cooling When a microcomputer does not have a signal from the sensor in 20 minutes it judges that nobody is in the room and operate...

Page 112: ...amp of the indoor unit Operating status can be monitored even in automatic operation in accordance with the mode of actual operation The lamp color changes according to the operation AUTO Red Blue DRY...

Page 113: ...ame time 5C is displayed on the LCD 2 Select L light with the Temp or button 3 Press the Mode button to enter the brightness setting mode 4 Press the Temp or button to adjust the brightness of the mul...

Page 114: ...peration Forced operation can be started by pressing the ON OFF button for 5 to 9 seconds while the unit is not operating Refer to page 440 for detail Note When the ON OFF button is pressed for 10 sec...

Page 115: ...red in the same condition as before the power failure Note It takes 3 minutes to restart the operation because the 3 minute standby function is activated 1 15 8 WEEKLY TIMER Operation Up to 4 timer se...

Page 116: ...cooling thermostat is ON 2 1 2 When the Float Switch is Tripped While the Cooling Thermostat is OFF 3 Malfunction residual The remote controller displays A3 and the air conditioner comes to an abnorma...

Page 117: ...urred AF is then displayed as operation continues 5 Malfunction residual The remote controller displays A3 and the air conditioner comes to an abnormal stop if the float switch is OFF for more than 5...

Page 118: ...mperature has changed from 18 C to 30 C A F This example also assumes there are several other air conditioners and the suction temperature changes even when the thermostat sensor is off Body thermosta...

Page 119: ...t temperature in the figure above is 24 C and the suction temperature has changed from 18 C to 28 C A D This example also assumes there are several other air conditioners and the suction temperature c...

Page 120: ...ance with the following conditions and is also set in accordance with the conditions given below Conditions for starting Temperature is 1 C or less for total of 40 min or temperature is 5 C or less fo...

Page 121: ...pacity Detail TH2 Temperature C detected with the gas thermistor Tc High pressure equivalent saturated temperature Defrost ending or oil return ending or Thermostat ON The fan is not OFF before initia...

Page 122: ...discharge pipe temperature according to the outdoor and indoor heat exchanger temperature and controls the electronic expansion valve opening so that the target discharge pipe temperature can be obtai...

Page 123: ...t is assumed as icing The conditions are Tc 1 C Ta Tc 10 C where Ta is the room temperature and Tc is the indoor heat exchanger temperature 4 In heating operation the indoor heat exchanger thermistor...

Page 124: ...command which is set by each room in accordance with the procedure and determines the operation mode of the system The following procedure is taken when the modes conflict with each other 1 The system...

Page 125: ...rmine upper limit frequency The minimum value is set as the upper limit frequency among the frequency upper limits of the following functions Compressor protection input current discharge pipe tempera...

Page 126: ...requency Indoor Frequency Command D signal The difference between a room thermistor temperature and the target temperature is taken as the D signal and is used for frequency command Values depend on t...

Page 127: ...ation width When the difference between input current and input current drooping value is less than 1 5 A the frequency increase width must be limited 4 Frequency management when other controls are fu...

Page 128: ...from ON to OFF the OFF delay switch of the four way valve is carried out after the operation stopped Detail OFF delay switch of four way valve The four way valve coil is energized for 150 seconds aft...

Page 129: ...ency is set to keep this temperature from going up further Detail 50 52 58 class 68 75 80 90 class A Hz 55 55 B Hz 70 65 C Hz 85 80 D seconds 150 120 E seconds 180 200 F seconds 300 470 A D E F B C R1...

Page 130: ...nt maximum frequency goes on Reset zone Limit of the frequency is canceled Limitation of current drooping and stop value according to the outdoor temperature The current droops when outdoor temperatur...

Page 131: ...operation starts stops The outdoor fan is turned ON when the operation starts The outdoor fan is turned OFF when the operation stops 5 Fan control while forced operation The outdoor fan is controlled...

Page 132: ...for Starting Defrost The starting conditions is determined with the outdoor temperature and the outdoor heat exchanger temperature The system is in heating operation The compressor operates for 6 minu...

Page 133: ...ol 1 Gas pipe isothermal control 2 SC subcooling control 3 Liquid pipe temperature control with all ports connected and all rooms being air conditioned 4 Liquid pipe temperature control for stopped ro...

Page 134: ...rol Open control when starting Control of target discharge pipe temperature Control when the operating room is changed Control of target discharge pipe temperature Defrost control Pressure equalizing...

Page 135: ...pression 4 12 5 High Discharge Pipe Temperature When the compressor is operating if the discharge pipe temperature exceeds a certain value the electronic expansion valve opens and the refrigerant runs...

Page 136: ...emperature Previous discharge pipe temperature 4 12 9 SC Subcooling Control Outline The liquid pipe temperature and the heat exchanger temperature are detected and the electronic expansion valve openi...

Page 137: ...ontrol about 660 810 seconds finishes and the 9 minute timer for the compressor operation continuation is not counting time the following adjustment is made 1 When the operation mode is cooling When t...

Page 138: ...5 20 0 A depending on the model the system shuts down the compressor If the OL compressor head temperature exceeds 120 130 C the compressor stops 4 13 3 Refrigerant Shortage Control Outline I Detectin...

Page 139: ...re in the operation stopped room becomes below the specified temperature for the specified time the electronic expansion valve is opened in the operation stopped room as specified and the fully closed...

Page 140: ...2 RA Indoor Unit 130 2 1 FTXG CTXG Series ARC466A1 130 2 2 FTXS FVXS Series ARC452A1 A3 154 2 3 ATXS FLK X S FDK X S Series ARC433B67 B68 B69 B76 190 3 SA Indoor Unit FFQ FCQ FDBQ FBQ FHQ Series 212 3...

Page 141: ...ver method of using it In order to meet this expectation of the users giving sufficient explanations taking enough time can be said to reduce about 80 of the requests for servicing However good the in...

Page 142: ...FAN White TIMER Orange INTELLIGENT EYE sensor It detects the movements of people and automatically switches between normal operation and energy saving operation Room temperature sensor It detects the...

Page 143: ...models Open the front panel Air filter Earth terminal It is inside of this cover Drain hose Air outlet Model name plate Panel support plate Titanium apatite photocatalytic air purifying filter Outdoor...

Page 144: ...not drop the remote controller Do not get it wet The maximum distance for communication is approx 6m Make sure that there are no obstacles within 50cm under the signal receiver Such obstacles if any m...

Page 145: ...R button Page22 CLOCK button QUIET button Page19 COMFORT button Page15 OFF TIMER button Page21 It cancels the timer setting Page21 22 SELECT button Page21 22 23 MODE selector button Page11 It selects...

Page 146: ...rks to rid the room of humidity while maintaining the temperature as much as possible It automatically controls temperature and airflow rate so manual adjustment of these functions is unavailable This...

Page 147: ...ect Clogged air filters cause inefficient operation and waste energy Clean them once in about every 2 weeks The outdoor unit consumes some power to have its electric components work even while it is n...

Page 148: ...ove the louvers Adjusting the Airflow Direction and Rate Press when the flaps have reached the desired position is displayed on the LCD The flaps horizontal blades will begin to swing You will find a...

Page 149: ...operation the airflow rate is set to a weak level In DRY mode the airflow rate setting is not variable Note on the angles of the flaps The flaps swinging range depends on the operation See the figure...

Page 150: ...not come in direct contact with people The flaps will return to the memory position from before COMFORT AIRFLOW operation disappears from the LCD is displayed on the LCD Airflow rate is set to Auto C...

Page 151: ...T EYE operation Press again INTELLIGENT EYE Operation INTELLIGENT EYE is the infrared sensor which detects the human movement If nobody in the room for more than 20 minutes the operation automatically...

Page 152: ...ange Sensor detection sensitivity changes according to indoor unit location the speed of passersby temperature range etc The sensor also mistakenly detects pets sunlight fluttering curtains and light...

Page 153: ...stem automatically operates again with the previous settings which were used before POWERFUL operation is displayed on the LCD Back to normal operation POWERFUL operation will work for 20 minutes When...

Page 154: ...QUIET operation during the night The noise level of the outdoor unit will be lower This is convenient when you need to consideration for your neighborhood This function is available in COOL HEAT and A...

Page 155: ...r illustrative purposes only The maximum running current and power consumption of the air conditioner in ECONO operation vary with the connecting outdoor unit In case the air conditioner and other app...

Page 156: ...anceled when remote controller batteries are replaced When operating the unit via the ON OFF TIMER the actual length of operation may vary from the time entered by the user Maximum approx 10 minutes W...

Page 157: ...ating Combined NOTE In the following cases set the timer again 2 Press until the time setting reaches the point you like is displayed on the LCD blinks Each pressing of either button increases or decr...

Page 158: ...N ON OFF OFF ON OFF OFF ON Program 1 Program 2 Program 3 Program 4 Up to 4 timer settings can be saved for each day of the week It is convenient if the WEEKLY TIMER is set according to the family s li...

Page 159: ...OFF TIMER blank 5 Press In case the reservation has already been set selecting blank deletes the reservation Go to step 9 if blank is selected To return to the day of the week and reservation number...

Page 160: ...tion The next reservation screen will appear To continue further settings repeat the procedure from step 4 The multi monitor lamp blinks twice The TIMER lamp periodically lights orange The multi monit...

Page 161: ...he week will be copied 2 Press to confirm the day of the week to be copied 4 Press to select the destination day of the week Be sure to direct the remote controller toward the indoor unit and check fo...

Page 162: ...ress while is displayed on the LCD If not all the reservation settings are reflected deactivate the WEEKLY TIMER operation once Then press again to reactivate the WEEKLY TIMER operation Confirming a r...

Page 163: ...be deleted All reservations Hold for 5 seconds while normal display 2 Press to select the day of the week and the reservation number to be deleted 1 Press to select the day of the week to be deleted B...

Page 164: ...me operation mode as that of the room with the first unit to be turned on Normally the operation mode in the room where the unit is first run is given priority but the following situations are excepti...

Page 165: ...room takes precedence the user can select a different operation mode from other rooms If the unit is set to COOL operation it continues If the unit is set to HEAT operation it enters standby mode Oper...

Page 166: ...1GV1B FVXS25 50FV1B Read Before Operation Names of Parts 155 158 161 Operation AUTO DRY COOL HEAT FAN Operation 164 164 164 Adjusting the Airflow Direction 166 168 170 COMFORT AIRFLOW and INTELLIGENT...

Page 167: ...SiBE121021_C RA Indoor Unit Operation Manual 155 2 2 2 Names of Parts FTXS20 25 35 42 50G2V1B FTXS20 25 35 42 50J2V1B Names of parts Indoor Unit 16 14 13 15 12 1 3 4 5 7 9 11 10 8 6 2...

Page 168: ...T EYE sensor 8 Display 9 Air outlet 10 Horizontal blades flaps 11 Vertical blades louvers The louvers are inside of the air outlet 12 Indoor Unit ON OFF switch Push this switch once to start operation...

Page 169: ...Press once again to stop it 6 TEMPERATURE adjustment buttons It changes the temperature setting 7 MODE selector button It selects the operation mode AUTO DRY COOL HEAT FAN 8 QUIET button OUTDOOR UNIT...

Page 170: ...RA Indoor Unit SiBE121021_C 158 Operation Manual FTXS60 71GV1B Names of Parts Indoor Unit 17 16 13 15 14 1 3 4 5 9 11 10 8 2 6 12 7...

Page 171: ...r 8 Display 9 Air outlet 10 Flaps horizontal blades 11 Louvers vertical blades The louvers are inside of the air outlet 12 Model name plate 13 Indoor unit ON OFF switch Push this switch once to start...

Page 172: ...operation Press once again to stop it 6 TEMPERATURE adjustment buttons It changes the temperature setting 7 MODE selector button It selects the operation mode AUTO DRY COOL HEAT FAN 8 QUIET button OUT...

Page 173: ...This setting is recommended The unit is shipped from the factory with this setting This setting blows air from upper outlet only This setting automatically decides a blow pattern depending on mode an...

Page 174: ...7 Air filter 8 Horizontal blade flap 9 Operation lamp green 10 TIMER lamp yellow 11 Indoor Unit ON OFF switch Push this switch once to start operation Push once again to stop it The operation mode re...

Page 175: ...tton Press this button once to start operation Press once again to stop it 6 TEMPERATURE adjustment buttons It changes the temperature setting 7 MODE selector button It selects the operation mode AUTO...

Page 176: ...TEMPERATURE adjustment button DRY or FAN mode AUTO or COOL or HEAT mode The temperature setting is not variable Set to the temperature you like 1 5 2 3 4 The air conditioner operates with the operati...

Page 177: ...In that case the system switches into defrosting operation to take away the frost During defrosting operation hot air does not flow out of indoor unit A pinging sound may be heard during defrosting o...

Page 178: ...rizontal blades flaps 1 Press SWING button is displayed on the LCD and the flaps will begin to swing 2 When the flaps have reached the desired position press SWING button once more The flaps will stop...

Page 179: ...eck COMFORT AIRFLOW operation in the section of COMFORT AIRFLOW Operation and INTELLIGENT EYE Operation When SWING button is selected the flaps swinging range depends on the operation mode See the fig...

Page 180: ...ective airflow directions Upper and lower airflow direction Right and left airflow direction The 3 D airflow direction Upper Lower Right Left 3 D is displayed on the LCD The flaps horizontal blades wi...

Page 181: ...on In the 3 D airflow the flaps and louvers move in turn or disappears from the LCD Always use a remote controller to adjust the angles of the flaps and louvers If you attempt to move it forcibly with...

Page 182: ...SWING button once more The flap will stop moving disappears from the LCD To adjust the vertical blades louvers Hold the knob and move the louver You will find a knob on the left side and the right si...

Page 183: ...ople air is blown upper air outlet room temperature is equalized Air is blown from the upper and lower air outlets for high speed cooling during COOL mode and for filling the room with warm air during...

Page 184: ...ople are not present When there are no people in the sensing areas the air conditioner will go into energy saving mode The air conditioner will be in COMFORT AIRFLOW operation combined with INTELLIGEN...

Page 185: ...zontal angle 110 Top View The flap position will change preventing air from blowing directly on the occupants of the room POWERFUL operation and COMFORT AIRFLOW operation cannot be used at the same ti...

Page 186: ...re in use the air conditioner will not direct the airflow towards the people Sensor may not detect moving objects further than 5m away Check the application range Sensor detection sensitivity changes...

Page 187: ...the human movement If nobody in the room for more than 20 minutes the operation automatically changes to energy saving operation Normal operation The air conditioner is in normal operation while the...

Page 188: ...cons the air conditioner will be in COMFORT AIRFLOW operation combined with INTELLIGENT EYE operation When the flaps horizontal blades are swinging the operating as above will stop movement of them Th...

Page 189: ...e application range Sensor detection sensitivity changes according to indoor unit location the speed of passersby temperature range etc The sensor also mistakenly detects pets sunlight fluttering curt...

Page 190: ...RFUL Operation cannot be used together with ECONO QUIET or COMFORT Operation Priority is given to the function of whichever button is pressed last POWERFUL Operation can only be set when the unit is r...

Page 191: ...tton is displayed on the LCD To cancel OUTDOOR UNIT QUIET operation 2 Press QUIET button again disappears from the LCD Note on OUTDOOR UNIT QUIET operation This function is available in COOL HEAT and...

Page 192: ...ration 2 Press ECONO button again disappears from the LCD This diagram is a representation for illustrative purposes only The maximum running current and power consumption of the air conditioner in EC...

Page 193: ...setting by 10 minutes Holding down either button changes the setting rapidly 3 Press OFF TIMER button again The TIMER lamp lights up To cancel the OFF TIMER Operation 4 Press CANCEL button The TIMER l...

Page 194: ...ng reaches the point you like Every pressing of either button increases or decreases the time setting by 10 minutes Holding down either button changes the setting rapidly 3 Press ON TIMER button again...

Page 195: ...can be saved for each day of the week It is convenient if the WEEKLY TIMER is set according to the family s life style Use the copy mode to make settings for Tuesday to Friday because these settings a...

Page 196: ...sired day of the week and reservation number Pressing the SELECT button changes the reservation number and the day of the week 3 Press NEXT button The day of the week and reservation number will be se...

Page 197: ...another day of the week Refer to Copy mode Notes on WEEKLY TIMER operation Do not forget to set the clock on the remote control first The day of the week ON OFF TIMER mode time and set temperature onl...

Page 198: ...utton to activate copy mode The whole reservation of the selected day of the week will be copied 4 Press SELECT button to select the destination day of the week 5 Press COPY button The reservation wil...

Page 199: ...operation is activated The TIMER lamp lights up To deactivate WEEKLY TIMER operation 4 Press WEEKLY button while is displayed on the LCD The will disappear from the LCD The TIMER lamp goes off To reac...

Page 200: ...om Setting on the next page NIGHT QUIET Mode Available only for cooling operation NIGHT QUIET Mode requires initial programming during installation Please consult your retailer or dealer for assistanc...

Page 201: ...ode Priority As the operation mode of the Priority Room takes precedence the user can select a different operation mode from other rooms Example Room A is the Priority Room in the examples When COOL m...

Page 202: ...e Duct Connected Type ATXS20 50G2V1B FLK X S25 60BAVMB FDK X S25 35EAVMB FDK X S50 60CVMB Read Before Operation Remote Controller 191 192 193 Operation AUTO DRY COOL HEAT FAN Operation 1 194 194 194 A...

Page 203: ...ing 6 ON OFF button Press this button once to start operation Press once again to stop it 7 MODE selector button It selects the operation mode AUTO DRY COOL HEAT FAN 8 QUIET button OUTDOOR UNIT QUIET...

Page 204: ...mperature setting 6 ON OFF button Press this button once to start operation Press once again to stop it 7 MODE selector button It selects the operation mode AUTO DRY COOL HEAT FAN 8 QUIET button OUTDO...

Page 205: ...changes the temperature setting 6 ON OFF button Press this button once to start operation Press once again to stop it 7 MODE selector button It selects the operation mode AUTO DRY COOL HEAT FAN 8 QUI...

Page 206: ...ith the operation mode of your choice From the next time on the air conditioner will operate with the same operation mode Press to raise the temperature and press to lower the temperature 1 Press MODE...

Page 207: ...In that case the system switches into defrosting operation to take away the frost During defrosting operation hot air does not flow out of indoor unit A pinging sound may be heard during defrosting o...

Page 208: ...vers R To adjust the horizontal blades flaps 1 Press SWING button is displayed on the LCD and the flaps will begin to swing 2 When the flaps have reached the desired position press SWING button once m...

Page 209: ...move in turn In DRY mode or COOL mode When SWING button is selected the flaps swinging range depends on the operation mode See the figure Three Dimensional 3 D Airflow Using three dimensional airflow...

Page 210: ...can adjust the air flow direction to increase your comfort To adjust the horizontal blade flap 1 Press SWING button is displayed on the LCD and the flaps will begin to swing 2 When the flaps have rea...

Page 211: ...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 212: ...nditioner will be in COMFORT AIRFLOW operation combined with INTELLIGENT EYE operation To cancel COMFORT AIRFLOW operation 2 Press COMFORT SENSOR button Press the button to select Blank The flap posit...

Page 213: ...tart energy saving operation The set temperature is shifted in 2 C steps Normal operation The air conditioner is in normal operation while the sensor is detecting the movement of people To start INTEL...

Page 214: ...sby INTELLIGENT EYE operation will not go on during powerful operation NIGHT SET MODE will not go on during use of INTELLIGENT EYE operation To combine COMFORT AIRFLOW Operation and INTELLIGENT EYE Op...

Page 215: ...l POWERFUL operation disappears from the LCD POWERFUL Operation cannot be used together with ECONO QUIET or COMFORT Operation Priority is given to the function of whichever button is pressed last POWE...

Page 216: ...n will work only when the OUTDOOR UNIT QUIET operation is set on all operated indoor units However if using priority room setting see Note for multi system This function is available in COOL HEAT and...

Page 217: ...entation for illustrative purposes only The maximum running current and power consumption of the air conditioner in ECONO mode vary with the connecting outdoor unit ECONO Operation can only be set whe...

Page 218: ...e and air flow rate for HOME LEAVE operation When using HOME LEAVE operation for the first time please set the temperature and air flow rate for HOME LEAVE operation Record your preferred temperature...

Page 219: ...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 220: ...the clock is correct If not set the clock to the present time 1 Press OFF TIMER button is displayed blinks 2 Press TIMER Setting button until the time setting reaches the point you like Every pressin...

Page 221: ...s displayed blinks 2 Press TIMER Setting button until the time setting reaches the point you like Every pressing of either button increases or decreases the time setting by 10 minutes Holding down eit...

Page 222: ...ng situations are exceptions so please keep this in mind If the operation mode of the first room is FAN Mode then using Heating Mode in any room after this will give priority to heating In this situat...

Page 223: ...her rooms Room A is the Priority Room in the examples When COOL mode is selected in Room A while operating the following modes in Room B C and D The unit enters Standby Mode Operation resumes when the...

Page 224: ...FCQ FDBQ FBQ FHQ Series SiBE121021_C 212 Operation Manual 3 SA Indoor Unit FFQ FCQ FDBQ FBQ FHQ Series 3 1 BRC1D528 1 1 2 9 3 25 22 11 10 37 35 27 26 12 14 17 34 24 5 20 21 18 16 13 15 19 32 31 30 29...

Page 225: ...SiBE121021_C SA Indoor Unit FFQ FCQ FDBQ FBQ FHQ Series Operation Manual 213 2 Start 5s 5s 5s 5s 5s End...

Page 226: ...qualified service person to do this 1 Features and functions 1 2 Name and function of switches and icons 2 3 Setting up the controller 4 4 Description of the operation modes 5 5 Operation 5 6 Program...

Page 227: ...ing the schedule timer 5 LEAVE HOME 6 BUTTON PERMISSION LEVEL 2 Name and function of switches and icons Refer to figure 1 1 ON OFF BUTTON Press the ON OFF button to start or stop the system 2 OPERATIO...

Page 228: ...t set temperature of the installation not shown in LIMIT operation or in FAN or DRY mode 19 SETTING Not used for service purposes only 20 AIR FLOW DIRECTION ICON This icon indicates the air flow direc...

Page 229: ...n is no longer active 30 SCHEDULE TIMER BUTTON This button enables or disables the schedule timer 31 TIME ADJUST BUTTON These buttons are used to adjust the clock or when in programming mode to adjust...

Page 230: ...es it As the controller can be implemented for a wide variety of installations and features it might occur that you select a function that is not available on your installation if this is the case the...

Page 231: ...COOLING OPERATION User adjustable parameters Setpoint temperature use the buttons Fan speed use the button Air flow direction adjust use the button Ventilation mode use the button Ventilation amount u...

Page 232: ...e last executed programmed action Refer to Manual operation on page 5 The next programmed action in the schedule timer will return control to the schedule timer Use the button to enable or disable the...

Page 233: ...ired to keep the room temperature within a specified range limit operation and are displayed The schedule timer will change the operation mode in LIMIT operation only To be able to verify the programm...

Page 234: ...will appear Assuming that 5 actions were programmed for Tuesday a total of 5 presses will be required to display all programmed actions Continue pressing the button until the day of the week indicato...

Page 235: ...e in limit operation Finally you must enter the time of the day when the action must be enabled If you program 2 or more actions on the same day and at the same time of the day only the action with th...

Page 236: ...rammed before all schedule timer actions are idle Browse to Monday by pressing the button The icon appears will blink and one of the icons might be displayed but all other fields remain blank indicati...

Page 237: ...5 seconds The schedule timer action programmed for the current day are only valid for the selected day use the confirm last action and go to next day function by pressing the button for 5 seconds Pro...

Page 238: ...n manual The guidelines below might help to solve your problem If you cannot remedy the problem consult your installer No readings on the remote controller display blank Check if the mains power is st...

Page 239: ...Operation mode selector Fan speed control and temperature settings are set from the menu screen 1 Operation mode selector button 2 Fan speed control button Do not install the remote controller in plac...

Page 240: ...s kept pressed Used to change the item selected Used to raise the set temperature The next items on the upper side will be highlighted The highlighted items will be scrolled continuously when the butt...

Page 241: ...4 Set temperature display Displayed only when the air conditioner is in operation 14 Clock 24 hours real time clock with room temperature settings with no detailed items selected with no fan speed con...

Page 242: ...splay the temperature set for the air conditioner Displayed when a total heat exchanger unit such as the Ventiair is connected For details refer to the Operation Manual of the Ventiair Displayed for a...

Page 243: ...unction Displayed when the airflow direction and swing are set see page 28 This item is not displayed if the system is not provided with a function to set airflow directions 14 Clock 24 hours real tim...

Page 244: ...layed For mechanical protection purposes turn ON the system at least six hours before starting the operation of the system Do not turn OFF the system in season in order to ensure the smooth starting o...

Page 245: ...n speed from Low Middle or High Two fan speed adjustment levels Low High may be available depending on the type of indoor unit The system may be in automatic fan speed control for mechanical protectio...

Page 246: ...least five minutes so that the drain discharging device will finish discharging the residual drain Otherwise water leakage or failures may result The system in heating operation generally requires a...

Page 247: ...ecome warm after the system starts operating The indoor fan will automatically go into breezing operation until the inner temperature of the system rises to a certain level If the hot air stays around...

Page 248: ...hile the air conditioner is in operation Make airflow direction settings from the main menu see page 28 The airflow direction of the system cannot be changed unless the system is provided with a funct...

Page 249: ...of excessive cooling Home Leave is a feature that enables to keep the room temperature above 10 C when the occupants are out The Home Leave icon shows the status of the home leave function The microc...

Page 250: ...mooth starting of the system Set the Operation mode selector button to Ventilation in the case of operating the total heat exchanger without the system between seasons To change the ventilation mode s...

Page 251: ...to the same outdoor unit or BS unit will start blinking Vent mode setting changes are possible regardless of the cooling heating selection eligibility If a cooling heating selection eligibility is se...

Page 252: ...me the other remote controllers with no selection right will follow suit and change the display automatically The Cool Heat Auto can be set for only the remote controller for which the cooling heating...

Page 253: ...is connected to a number of indoor units Set the cooling heating auto fan selection eligibility in one of the remote controllers A number of indoor units are connected to a single outdoor unit Set the...

Page 254: ...ormable temperature quickly unless the system is not in program dry or fan operation The maximum quick cooling heating operation period is 30 minutes Used to set Automatic Heat exchange and Bypass Ope...

Page 255: ...he displayed language can be selected from the following language English Deutsch Fran ais Espa ol Italiano Nederlands Portugues If two remote controllers are in control of a single indoor unit the fo...

Page 256: ...main menu screen will appear 3 4 Caution Instructions for manipulating the buttons will appear To go back to the basic screen from the main menu screen press the Cancel button While setting items if a...

Page 257: ...ce between the maximum and minimum temperatures cannot be set to less than 6 C Pressing buttons switches the variable set temperature between max and min Display the main menu screen See page 26 Press...

Page 258: ...ion 0 1 2 3 4 Left right direction 0 Position 0 1 Position 1 2 Position 2 3 Position 3 4 Position 4 Menu Manipulation The airflow direction setting screen will appear on the main menu screen and press...

Page 259: ...ng buttons changes the setting to in order Selecting will cause the airflow direction blades to swing back and forth For the swing setting only all positions will be displayed When you select one of p...

Page 260: ...s automatically swing up and down You can select from one of five fixed directions This has no relation to the angle of the louvers Under the operation conditions shown below airflow direction is cont...

Page 261: ...26 Press Menu Enter button to return to the basic screen Quick Cooling Heating will appear on the basic screen Quick Cooling Heating is now on While Quick Cooling Heating is displayed on the basic scr...

Page 262: ...ress buttons to select on the main menu screen For models with no ventilation function will not be displayed on the main menu screen Bring up the ventilation settings screen see above Press Menu Enter...

Page 263: ...e set are displayed Pressing buttons changes the setting to in order and Selecting the desired ventilation rate and pressing Menu Enter button selects the setting and takes you back to the basic scree...

Page 264: ...essing the Cancel button takes you back to the previous screen without changing the ventilation mode Using information from the air conditioner cooling heating fan and set temperature and the total he...

Page 265: ...s screen Press Menu Enter button to display the schedule timer settings screen Press buttons to select the on the timer settings screen Before setting the schedule timer the clock must be set If the c...

Page 266: ...lay the condition setting screen Press buttons to select the day to be set on the condition setting screen Input the program for the selected day next The schedule timer can accept a maximum of 5 oper...

Page 267: ...ighted and ready to be changed Press buttons to change the set temperature The set temperature will increase by 1 C when the button is pressed and decrease by 1 C when the button is pressed Pressing M...

Page 268: ...buttons to set the operation to To change the maximum and minimum temperatures press the Menu Enter button so that the temperatures will be ready to be changed Press buttons to select the desired tem...

Page 269: ...the day and input the program in the same manner To copy the settings for the previous day select the operation mode selector button so that the settings will be copied as they are Example The content...

Page 270: ...ettings screen Press buttons to select the desired day Press buttons to display to make the holiday settings Pressing buttons switches the setting between set and release Multiple days can be selected...

Page 271: ...screen See page 35 Press buttons to select on the schedule timer settings screen Press Menu Enter button to display the enable disable settings screen Press Menu Enter button after selecting the item...

Page 272: ...utton to display the condition settings screen Use buttons to set the time from operation start until the unit automatically stops Selections can be made in increments of 10 minutes from 30 to 180 min...

Page 273: ...n the off reminder timer settings screen Press Menu Enter button to display the enable disable settings screen Press buttons to select or on the enable disable settings screen Press Menu Enter button...

Page 274: ...p of the screen If you have not yet registered your product it will not appear The model information of the indoor and outdoor units of your product will appear on the bottom of the screen For some mo...

Page 275: ...reen Press Menu Enter button to display the convenient functions settings screen Bring up the convenient functions settings screen Press buttons to select on the convenient functions settings screen P...

Page 276: ...functions settings screen Press Menu Enter button to display the display selection settings screen Press buttons to select on the convenient functions settings screen Press Menu Enter button to displ...

Page 277: ...n screen Some models may not display these items even if they are selected Be sure to read the following notes regarding display of room temperature and outdoor temperature An estimate of the temperat...

Page 278: ...tion Method 1 Display the main menu screen See page 26 Menu Manipulation Press buttons to select on the main menu screen and press Menu Enter button A list showing the current setting status will appe...

Page 279: ...ttons Holding down the button causes the number to change continuously Select Day with buttons Input the day with buttons Holding down the button causes the number to change continuously Days of the w...

Page 280: ...o select on the settings confirmation screen Press Menu Enter button to set the clock and return to the basic screen When setting schedule timer the display return to the settings screens Caution The...

Page 281: ...on to confirm settings and return to the basic screen When the time to clean the filter or element has come one of the following messages will appear on the bottom of the basic screen Clean the filter...

Page 282: ...t the time of maintenance Failure to do so may result in electric shocks or injury Wipe the LCD and other surface part of the remote controller with a dry cloth when they become dirty If the dirt on t...

Page 283: ...power Continued operation under such circumstances may result in failure electric shocks or fire Contact your Daikin dealer If an error occurs either one of the following items will blink in the basic...

Page 284: ...peration Manual 3 3 BRC7E530W 531W BRC7F532F 533F BRC7EA63W 66 The illustrations of indoor unit are for FFQ model as representative 1 1 1 1 2 8 10 13 11 12 15 14 16 17 9 1 3 4 6 2 5 7 1 24 25 1 3 1 2...

Page 285: ...ED TIME This display shows PROGRAMMED TIME of the system start or stop DISPLAY AIR FLOW FLAP DISPLAY FAN SPEED DISPLAY INSPECTION TEST OPERATION When the INSPECTION TEST OPERATION BUTTON is pressed th...

Page 286: ...ing time indicator lamp lights up clean the air filter as explained in the operation manual provided with the indoor unit After cleaning and reinstalling the air filter press the filter sign reset but...

Page 287: ...owever change them whenever the indoor unit doesn t respond or responds slowly to commands or if the display becomes dark Replace all batteries at the same time do not use new and old batteries interm...

Page 288: ...LING and FAN and DRY operation are able to select FOR SYSTEMS WITHOUT COOL HEAT CHANGEOVER REMOTE CONTROL SWITCH OPERATION MODE SELECTOR Press OPERATION MODE SELECTOR button several times and select t...

Page 289: ...stem returns to HEATING OPERATION Heating capacity Outdoor air temperature Heating capacity drops as outdoor air temperature lowers If feeling cold use another heater at the same time as this air cond...

Page 290: ...er controls the air flow direction so it may be different from the display Operation mode Operation conditions If you try cooling or programmed drying while the flaps are facing downward air flow dire...

Page 291: ...anishes When the timer is programmed to stop the system after 3 hours and start the system after 4 hours the system will stop after 3 hours and then 1 hour later the system will start When the timer i...

Page 292: ...peep is emitted as a warning Only with Heat recovery system you can set the indoor unit to AUTOMATIC Attempting to do so a peep will be emitted as a warning How to designate the master remote control...

Page 293: ...roup control and two remote controller control systems 6 NOT MALFUNCTION OF THE AIR CONDITIONER The following symptoms do not indicate air conditioner malfunction The system does not restart immediate...

Page 294: ...operation according to the number of beeps Press OPERATION MODE SELECTOR BUTTON on the left hand of the malfunction code blinks Press PROGRAMMING TIMER BUTTON and change the malfunction code Press OPE...

Page 295: ...cannot be accepted If the number is not mentioned it is considered as 1 2 The system operates but it does not sufficiently cool or heat Contact the place of purchase in the following case When you de...

Page 296: ...Open Close Fault FTXG and CTXG Series 315 5 6 Signal Transmission Error between Indoor Unit and Outdoor Unit 316 5 7 Unspecified Voltage between Indoor Unit and Outdoor Unit 318 6 Troubleshooting for...

Page 297: ...nal Transmission Error on Outdoor Unit PCB 360 7 19 Anti icing Function in Other Rooms Unspecified Voltage between Indoor and Outdoor Units 361 8 Check 362 8 1 Thermistor Resistance Check 362 8 2 Fan...

Page 298: ...indoor and outdoor units In either case conduct the diagnostic procedure described in the following pages Wall Mounted Type FTXG and CTXG Series Wall Mounted Type FTXS and ATXS Series 20 50 Class The...

Page 299: ...its to the same operation mode and confirm that the operation lamp is not blinking Moreover when the operation mode is automatic set all the indoor unit operation mode as cooling or heating and check...

Page 300: ...en LED LED A and red LEDs on the outdoor unit PCB The LED A indicates microcomputer operation condition In normal condition the LED A is blinking and the other LEDs are OFF Even after the error is can...

Page 301: ...cannot be used when the outdoor temperature is below 10 10 C depending on the model Diagnose with remote controller indication 306 307 Some indoor units do not operate Check the type of the indoor un...

Page 302: ...1 A short beep pi and 2 consecutive beeps pi pi indicate non corresponding codes 2 To return to the normal mode hold the timer cancel button down for 5 seconds When the remote controller is left unto...

Page 303: ...re of the ten s place blinks 4 Press the Temp or button and change the figure until you hear the sound of beep or pi pi 5 Diagnose by the sound pi The figure of the ten s place does not accord with th...

Page 304: ...pi The figure of the ten s place accords with the error code but the one s not beep The both figures of the ten s and one s place accord with the error code 9 Determine the error code The figures indi...

Page 305: ...eps pi pi indicate non corresponding codes 2 To return to the normal mode hold the timer cancel button down for 5 seconds When the remote controller is left untouched for 60 seconds it also returns to...

Page 306: ...ep or pi pi 3 Diagnose by the sound pi The figure of the ten s place does not accord with the error code pi pi The figure of the ten s place accords with the error code but the one s not beep The both...

Page 307: ...th figures of the ten s and one s place accord with the error code 7 Determine the error code The figures indicated when you hear the beep sound are error code Error codes and description Refer to pag...

Page 308: ...r cancel button down for 5 seconds When the remote controller is left untouched for 60 seconds it also returns to the normal mode 3 Not all the error codes are displayed When you cannot find the error...

Page 309: ...ound of beep or pi pi 3 Diagnose by the sound pi The figure of the ten s place does not accord with the error code pi pi The figure of the ten s place accords with the error code but the one s not bee...

Page 310: ...th figures of the ten s and one s place accord with the error code 7 Determine the error code The figures indicated when you hear the beep sound are error code Error codes and description Refer to pag...

Page 311: ...z z Press the Inspection Test button once R11277 Press the Inspection Test button once After 10 seconds Thermostat is forcibly turned on Press the Inspection Test button for more than 4 seconds Field...

Page 312: ...ng status list Clock setting Language changeover Basic Screen Operation mode changeover Fan speed control Menu display Confirmation of each setting On Off Cancel Operation lamp Field Setting Menu Test...

Page 313: ...rror code and malfunction contents Note 1 When you press the Inspection Test button the inspection display blinks 2 While in the inspection mode press the ON OFF button for 5 seconds or more to clear...

Page 314: ...y Abnormal shutdown The system stops operating The operation lamp green starts to blink The message Error Press Menu Button appears and blinks at the bottom of the screen Warning The system continues...

Page 315: ...the UNIT No display 2 Press the UP or DOWN button and change the UNIT No until the receiver of the remote controller starts to beep Inspection Test button R14392 UP button DOWN button R14424 If you h...

Page 316: ...e UP or DOWN button to change the error code upper digit until the receiver of the remote controller starts to beep Step Action MODE button R14394 UP button DOWN button R14395 UP DOWN 4 5 6 7 8 9 U P...

Page 317: ...e the error code lower digit until the receiver of the remote controller generates a continuous beep 7 Press the MODE button to return to the normal mode If you do not press any button for 1 minutes t...

Page 318: ...r thermistor or related abnormality 314 C7 Front panel open close fault FTXG and CTXG series 315 C9 Room temperature thermistor or related abnormality 314 U4 Signal transmission error between indoor u...

Page 319: ...s 361 UH Anti icing function in other rooms 361 j h h i i h U0 Refrigerant shortage 357 j i h h i h U2 Low voltage detection or over voltage detection 359 j h i i i h U7 Signal transmission error on o...

Page 320: ...sconnection of connector Troubleshooting Note Check the following connector Check the combination of the indoor and outdoor unit OK Check the connection of connectors See Note OK Correct the connectio...

Page 321: ...peak cut control During heating operation the temperature detected by the indoor heat exchanger thermistor is used for the heating peak cut control operation halt outdoor fan stop etc Malfunction Deci...

Page 322: ...S YES NO Caution Provide sufficient air passage Clean the air filter Clean the indoor heat exchanger Replace the indoor unit PCB Replace the thermistor Be sure to turn off the power switch before conn...

Page 323: ...uring fan motor operation is used to determine abnormal fan motor operation Malfunction Decision Conditions The detected rotation speed does not reach the demanded rotation speed of the target tap and...

Page 324: ...ged Check No 02 Check the output of the fan motor connector R14404 NO YES YES NO YES NO Replace the fan motor Replace the indoor unit PCB Replace the indoor unit PCB Replace the fan motor Replace the...

Page 325: ...unit PCB Troubleshooting Check No 04 Refer to P 363 NO NO NO NO NO NO YES YES YES YES YES YES R14403 Caution Replace the fan motor or the indoor unit PCB Replace the fan motor Replace the indoor unit...

Page 326: ...ess than 0 04 V during compressor operation Supposed Causes Disconnection of connector Defective thermistor Defective indoor unit PCB Troubleshooting Check No 01 Refer to P 362 C4 Indoor heat exchange...

Page 327: ...ore repair 1 Turn off the power 2 Remove the front panel 3 Turn on the power Wait until the initialization finishes 4 Operate the unit by the indoor unit ON OFF button YES YES YES YES NO NO NO NO Repl...

Page 328: ...e data received from the outdoor unit in indoor unit outdoor unit signal transmission is checked whether it is normal Malfunction Decision Conditions The data sent from the outdoor unit cannot be rece...

Page 329: ...Locate the cause of the disturbance of the power supply waveform and correct it NO R14556 NO YES YES NO NO Caution Correct the indoor unit outdoor unit connection wires Diagnose the outdoor unit PCB...

Page 330: ...ong models interconnected Wrong wiring of connecting wires Wrong indoor unit PCB or outdoor unit PCB mounted Defective indoor unit PCB Defective outdoor unit PCB Troubleshooting R11707 Caution NO YES...

Page 331: ...Only Memory A memory chip that holds its content without power It can be erased either within the computer or externally and usually requires more voltage for erasure than the common 5 volts used in...

Page 332: ...Method of Malfunction Detection The float switch detects error Malfunction Decision Conditions When the water level reaches its upper limit and when the float switch turns OFF Supposed Causes Defectiv...

Page 333: ...O Connect the short circuit connector NO Connect the short circuit connector NO YES YES Replace the indoor unit PCB YES NO YES NO YES NO Is the drain water level abnormally high YES YES Is the float s...

Page 334: ...output voltage to the fan is at its maximum Supposed Causes Defective indoor fan motor Broken or disconnected wire Defective contact Defective indoor unit PCB Troubleshooting FFQ FCQ FDBQ FBQ Series...

Page 335: ...Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Replace the indoor unit PCB NO R12862 About 12 VDC YES Connect them correctly YES NO Check th...

Page 336: ...e connecting or disconnecting connectors or parts may be damaged Connect them correctly Replace the indoor unit PCB Replace the swing motor R12863 NO Replace the indoor unit PCB YES YES NO Connect it...

Page 337: ...efective Check to see if the drain up height and the horizontal pipe length exceed the specifications Clogged water drain system clogged drain pump or faulty float switch Replace the indoor unit PCB C...

Page 338: ...of connector Defective thermistor Defective indoor unit PCB Broken or disconnected wire Checking thermistors If the cause of the problem is related to the thermistors the thermistors should be checke...

Page 339: ...onnecting connectors or parts may be damaged Correct the connection Replace the thermistor Correct the contact R11299 Replace the indoor unit PCB C4 Indoor heat exchanger thermistor R2T C9 Room temper...

Page 340: ...tor Malfunction Decision Conditions When the remote controller thermistor disconnected or shorted while the unit is running Even if the remote controller thermistor is malfunctioning the system can op...

Page 341: ...aster remote controllers when using 2 remote controllers Troubleshooting Normal Normal There is possibility of malfunction caused by noise Check the surrounding area and turn on again Set one remote c...

Page 342: ...ers MAIN and SUB is not normal over a certain amount of time in case of controlling with 2 remote controllers Supposed Causes Transmission error between MAIN remote controller and SUB remote controlle...

Page 343: ...g Abnormality Remote Controller Display UA Method of Malfunction Detection Malfunction Decision Conditions Incorrect field setting Supposed Causes Defective indoor unit PCB Defective outdoor unit PCB...

Page 344: ...emote controller connected to one or more indoor units Is the remote controller wiring jumped between indoor units Is the field setting correct Do the microcomputer normal monitors HAP on all indoor u...

Page 345: ...room temperature thermistor that are located in a shut down room Malfunction Decision Conditions In cooling operation the both conditions A and B are met for 5 minutes A Room temperature Indoor heat e...

Page 346: ...place the outdoor heat exchanger thermistor Replace the room temperature thermistor Replace the room temperature thermistor or indoor heat exchanger thermistor Do the vacuum drying Replace the indoor...

Page 347: ...microcomputer is in abnormal running order Supposed Causes Noise Momentary fall of voltage Momentary power failure Defective outdoor unit PCB Troubleshooting R7183 Caution Be sure to turn off the powe...

Page 348: ...tive stop valve Troubleshooting Check No 01 Refer to P 362 Check No 12 Refer to P 364 Check No 13 Refer to P 365 Check No 14 Refer to P 365 R14408 Caution YES NG Discharge pipe thermistor NO OK OK NG...

Page 349: ...locked Troubleshooting Check No 15 Refer to P 366 R14409 Caution NO YES YES NO NO YES Precaution before turning on the power again Make sure the power has been off for at least 30 seconds Turn off the...

Page 350: ...minutes without any other error Supposed Causes Defective fan motor Disconnection of the fan motor Foreign matters stuck in the fan Troubleshooting Check No 16 Refer to P 367 R14410 Caution YES YES N...

Page 351: ...Check No 18 Refer to P 368 Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged R14411 NO YES YES NO Check No 17 Check the installation c...

Page 352: ...outdoor heat exchanger thermistor or outdoor temperature thermistor Defective outdoor unit PCB Water mixed in refrigerant Defective electronic expansion valve Defective stop valve Troubleshooting Chec...

Page 353: ...temperature sensed by the outdoor heat exchanger thermistor exceeds the limit Malfunction Decision Conditions The temperature sensed by the outdoor heat exchanger thermistor rises above about 65 C Th...

Page 354: ...lace the outdoor unit PCB Replace the electronic expansion valve or the coil Replace the outdoor unit PCB Change the installation location or direction Clean the outdoor heat exchanger Check the insta...

Page 355: ...Fault condition is identified by the compressor current which is detected right after the compressor startup If the error repeats 16 times the system is shut down Reset condition Continuous run for ab...

Page 356: ...eactor from the outdoor unit PCB and measure the resistance value between reactor terminals with tester Disconnect the compressor relay harness from the outdoor unit PCB and measure the resistance val...

Page 357: ...detected by checking the compressor running condition through the position detection circuit Malfunction Decision Conditions If the error repeats 8 times the system is shut down Reset condition Contin...

Page 358: ...e outdoor unit PCB Replace the compressor Correct the power supply or replace the outdoor unit PCB Reconnect them as specified Inverter checker Part No 1225477 Turn off the power Check the power suppl...

Page 359: ...sor running frequency and CT detected input current Malfunction Decision Conditions The compressor running frequency is more than A Hz and input current is below B A If the error repeats 4 times the s...

Page 360: ...ct the harnesses Then turn on the power again and restart operation Replace the outdoor unit PCB Replace the outdoor unit PCB Replace the outdoor unit PCB Check the supply voltage Replace the compress...

Page 361: ...ow 0 04 V with the power on J3 error is judged if the discharge pipe temperature is lower than the heat exchanger temperature The system is shut down if all the units are judged as the J8 error Suppos...

Page 362: ...llowing thermistors Outdoor temperature thermistor Discharge pipe thermistor Outdoor heat exchanger thermistor Liquid pipe thermistor Gas pipe thermistor Cooling Outdoor heat exchanger thermistor Heat...

Page 363: ...thermistor with the compressor off Malfunction Decision Conditions With the compressor off the radiation fin temperature is above A C The error is cleared when the temperature drops below B C To cool...

Page 364: ...dirty OK NO YES Turn off the power and turn it on again Check No 17 Check the installation condition Check the radiation fin temperature Replace the outdoor unit PCB Replace the fan motor Correct the...

Page 365: ...sion Conditions The radiation fin temperature with the compressor on is above A C The error is cleared when the temperature drops below B C If the error repeats the system is shut down Reset condition...

Page 366: ...the radiation fin If not apply it See Note Check the power transistor and the radiation fin for looseness If they are found to be fit tightly replace the outdoor unit PCB or the power transistor Repl...

Page 367: ...ions A position signal error occurs while the compressor is running A speed error occurs while the compressor is running An output overcurrent signal is fed from the output overcurrent detection circu...

Page 368: ...may result from wrong internal wiring If the system is interrupted by an output overcurrent after the wires have been disconnected and reconnected for part replacement check the wiring again Monitor...

Page 369: ...rigerant shortage detection I The following conditions continue for 7 minutes DC current A Compressor output frequency B Output frequency C Refrigerant shortage detection II The following conditions c...

Page 370: ...power transistor harness for looseness Correct it as required Also replace the cracked pipe Check the pipes for improper contact Correct them as required Also replace the cracked pipe Replace the ele...

Page 371: ...rom the over voltage detection circuit to the microcomputer The compressor stops if the error occurs and restarts automatically after 3 minute standby Supposed Causes Supply voltage is not as specifie...

Page 372: ...ality is determined when the data sent from the PM1 can not be received for 9 seconds The error counter is reset when the data from the PM1 can be successfully received Supposed Causes Defective outdo...

Page 373: ...nd or external voltages Mismatching of indoor and outdoor units Supposed Causes Anti icing function in other rooms Wrong models interconnected Wrong indoor unit PCB or outdoor unit PCB mounted Trouble...

Page 374: ...perature and resistance is shown in the table and the graph below For the models in which the thermistor is directly mounted on the PCB disconnect the connector for the PCB and measure Thermistor temp...

Page 375: ...fan motor is operating If NG in step 1 Defective PCB Replace the PCB If NG in step 2 Defective Hall IC Replace the fan motor If OK in both steps 1 and 2 Replace the PCB 8 4 Power Supply Waveform Chec...

Page 376: ...that the latching sound varies depending on the valve type If the system keeps operating with a defective electronic expansion valve the following problem may occur Valveopening position Possible prob...

Page 377: ...CB Replace the four way valve coil Replace the four way valve Disconnect the four way valve coil from the connector and check the continuity S80 voltage at 220 240 VAC with compressor on Fig 1 Four wa...

Page 378: ...of the built in smoothing electrolytic capacitor drops to 10 VDC or below before carrying out the service work Reference If the terminals of the compressor are not FASTON terminals difficult to remove...

Page 379: ...e burned due to loosening 8 9 Rotation Pulse Check on the Outdoor Unit PCB Check No 16 Outdoor fan motor Make sure that the voltage of 320 30 V is applied 1 Set operation off and power off Disconnect...

Page 380: ...an the heat exchanger Installation condition check Check the allowable dimensions of the air suction and discharge area Does the discharged air from other outdoor unit cause an increase of the suction...

Page 381: ...m the outdoor unit PCB To disengage the connector press the protrusion on the connector Follow the procedure below to measure resistance between the terminals of the DB1 and the terminals of the compr...

Page 382: ...88 1 5 Removal of Sound Blankets 390 1 6 Removal of Coils Thermistors 394 1 7 Removal of Distributor 397 1 8 Removal of Four Way Valve 398 1 9 Removal of Compressor 399 2 Outdoor Unit 80 90 Class 401...

Page 383: ...esentative 1 1 Removal of Outer Panels Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 External appearan...

Page 384: ...panel 4 Remove the 1 screw of the shield plate 5 Slide the shield plate to the left to release the hooks and remove the shield plate 6 Release the upper 2 hooks Align the position of hole of the upper...

Page 385: ...5 Class Removal Procedure 373 7 Lift the front panel up to unfasten the left side hooks The front panel has 3 hooks on the left 8 Unfasten the right side hook and remove the front panel Step Procedure...

Page 386: ...Remove the 4 screws of the discharge grille 10 11 Remove the 2 screws of the stop valve cover Slide the stop valve cover downward and remove it When reassembling make sure to fit the 5 hooks Step Pro...

Page 387: ...as representative 4 room models also have D port 1 Layout of the connecting wires Connecting wires 1 Black Power supply 2 White Power supply 3 Red Transmission Power Supply wires L Black N White The...

Page 388: ...2 Detach the fixing tape of the electrical box cover 3 Unfasten the 4 hooks at the mark of the electrical box cover 4 Lift the electrical box cover up and remove it 5 Disconnect the connector for the...

Page 389: ...motor lead wire from the hooks 7 Disconnect the connectors for the electronic expansion valve coils S20 white room A S21 red room B S22 blue room C 4 room models also have S23 yellow for room D 8 Pul...

Page 390: ...nnector for the overload protector S40 10 The wire harness for the compressor is attached to the partition plate by the clamp 11 Pull out the clamp with pliers 12 Disconnect the relay connector of the...

Page 391: ...connector S90 Thermistors outdoor temperature outdoor heat exchanger discharge pipe S92 Gas pipe thermistors S93 Liquid pipe thermistors 14 Disconnect the connector for the four way valve coil S80 The...

Page 392: ...the wire harnesses under the electrical box 16 Pull out the clamp of the thermistor lead wire 2 Remove the electrical box 1 Remove the 2 screws of the earth terminal 2 Remove the screws on the termin...

Page 393: ...50 75 Class Removal Procedure 381 3 Remove the 2 screws of the wiring fixture 4 Detach the outdoor temperature thermistor 5 Remove the screw on the right side of the electrical box Step Procedure Poi...

Page 394: ...Outdoor Unit 50 75 Class SiBE121021_C 382 Removal Procedure 6 Remove the 1 screw in front of the electrical box 7 Lift up and remove the electrical box Step Procedure Points...

Page 395: ...after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the service monitor PCB 1 External appearance 2 Remove the screw of the terminal board and open it 3 Disc...

Page 396: ...Refer to page 82 for detail 2 Remove the main PCB AC1 AC2 for power supply S10 for transmission 1 Disconnect the connectors for the terminal board on the right side 2 Disconnect the 2 connectors for r...

Page 397: ...CB to the left 5 Release the relay harness for the compressor from the hook 6 Lift up the main PCB and remove it In working be careful not to break the main PCB with the excessive force because the ma...

Page 398: ...the 2 screws of the radiation fin When reassembling make sure to use the silicon grease Silicon grease Part No 1172698 8 Remove the 3 screws of the reactor Step Procedure Points S70 S40 S20 S21 S22 S...

Page 399: ...Removal Procedure 387 3 Remove the terminal board 1 Disconnect the wire harnesses from the back of the terminal board 2 Unfasten the hook of the electrical box and remove the terminal board Step Proce...

Page 400: ...edure Points 1 Remove the 2 screws of the fan motor fixing plate Remove the outer panels and plates Remove the electrical box 2 Remove the fan motor fixing plate When reassembling fit the lower hooks...

Page 401: ...elease the fan motor lead wire When reassembling put the fan motor lead wire through the back of the fan motor so as not to be entangled with the outdoor fan 5 Remove the 4 screws and remove the fan m...

Page 402: ...rning off all power supplies before disassembling work Step Procedure Points 1 Remove the right side panel Remove the outer panels and plates Remove the electrical box 1 Remove the 3 screws of the rig...

Page 403: ...emoval Procedure 391 4 Lift up and remove the right side panel 2 Remove the partition plate 1 Remove the 2 screws of the partition plate 2 Detach the clamp of the relay harness for the compressor Step...

Page 404: ...sure to fit the lower hook of the partition plate 3 Remove the sound blanket Since the piping ports on the sound blanket are torn easily remove the blanket carefully 1 Remove the sound blanket top up...

Page 405: ...75 Class Removal Procedure 393 3 Untie the fixing strings to open the sound blanket outer and pull it out 4 Open the sound blanket inner and pull it out Step Procedure Points Sound blanket outer R558...

Page 406: ...s or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the electronic expansion valve coils 1 Pull out the electronic expansion valve coils 2 Remove th...

Page 407: ...ermistor and the fixture 1 Open the putty and remove the liquid pipe thermistors 2 Pull out the gas pipe thermistors 3 Pull out the outdoor heat exchanger thermistor Be careful not to lose the clip St...

Page 408: ...ipe thermistor When reassembling meet the edge of the thermistor and the fixture 5 Remove the assembly of thermistors Step Procedure Points R11185 Discharge pipe thermistor Clip Discharge pipe thermis...

Page 409: ...on of the oil inside the four way valve and the deterioration of the gaskets affected by heat Keep below 120 C For the sake of this wrap the four way valve with wet cloth and provide water so that the...

Page 410: ...non oxidation brazing 2 It is required to prevent the carbonization of the oil inside the four way valve and the deterioration of the gaskets affected by heat Keep below 120 C For the sake of this wr...

Page 411: ...ng Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the terminal cover 2 Disconnect the compressor lead wires 3 Deta...

Page 412: ...alve with wet cloth and provide water so that the cloth does not dry In case of difficulty with gas brazing machine 1 Disconnect the brazed part where is easy to disconnect and restore 2 Cut pipes on...

Page 413: ...of Outer Panels Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 External appearance 1 Remove the suction...

Page 414: ...2 Slide the suction grille downward to release the 3 top hooks 3 Remove the suction grille 2 Remove the top panel 1 Remove the 4 screws on the back and the 1 screw on the left side panel Step Procedu...

Page 415: ...ocedure 403 2 Remove the 2 screws on the front and the 1 screw on the right side panel 3 Lift the top panel and remove it 3 Remove the right side panel 1 Remove the 5 screws Step Procedure Points R637...

Page 416: ...Outdoor Unit 80 90 Class SiBE121021_C 404 Removal Procedure 2 Slide the right side panel downward to release the 2 hooks on the back side Step Procedure Points R6377 Hook R14614 Hook R14615...

Page 417: ...C Outdoor Unit 80 90 Class Removal Procedure 405 3 Remove the right side panel 4 Remove the front panel 2 This screw is M5 16 1 Remove the 2 screws Step Procedure Points R10441 R10629 Front Panel 2 Fr...

Page 418: ...Outdoor Unit 80 90 Class SiBE121021_C 406 Removal Procedure 2 Slide the front panel 2 downward to release the hook 3 Remove the front panel 2 Step Procedure Points R10374 R6383 R10375...

Page 419: ...the front panel 1 Remove the discharge grille and outdoor fan first to remove the front panel 1 1 Remove the 4 screws on the discharge grille 2 Pull the bottom of the discharge grille toward yourself...

Page 420: ...nward to release the 2 hooks at the top 4 Remove the discharge grille 5 Remove the nut and remove the outdoor fan Nut size M8 When reassembling align mark of the outdoor fan with D cut section of the...

Page 421: ...Removal Procedure 409 6 Remove the 2 screws on the partition plate 1 7 Remove the screw at the bottom left of the front panel 1 8 Remove the screw at the bottom of the left side Step Procedure Points...

Page 422: ...tdoor Unit 80 90 Class SiBE121021_C 410 Removal Procedure 9 Remove the screw at the bottom of the back side 10 The front panel 1 has a hook Lift the front panel 1 Step Procedure Points R6394 R10384 Ho...

Page 423: ...ocedure 411 11 Remove the front panel 1 Be sure to detach the front panel 1 carefully so as not to deform it 6 Remove the rear panel 1 Remove the screw on the partition plate 2 Step Procedure Points R...

Page 424: ...0 90 Class SiBE121021_C 412 Removal Procedure 2 Slide the partition plate 2 to the left and remove it 3 Remove the 5 screws on the wire fixing plate upper Step Procedure Points R11211 R11210 Wire fixi...

Page 425: ...0 90 Class Removal Procedure 413 4 Remove the wire fixing plate upper 5 Remove the 3 screws on the wire fixing plate lower 6 Remove the wire fixing plate lower Step Procedure Points R11213 R11214 Wire...

Page 426: ...of the outdoor temperature thermistor The holder is secured in the clearances of the outdoor heat exchanger fins 8 Release the thermistor wire from the groove 9 Remove the 3 screws on the rear panel...

Page 427: ...Procedure 415 10 Remove the screw on the bottom frame 11 Remove the screw on the stop valve mounting plate 12 Lift the rear panel upward to unfasten the 2 hooks Step Procedure Points R10391 R10392 St...

Page 428: ...Outdoor Unit 80 90 Class SiBE121021_C 416 Removal Procedure 13 Remove the rear panel Step Procedure Points R10394...

Page 429: ...ing Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the 2 screws to detach the earth wires 2 Disconnect the connect...

Page 430: ...arness for S80 5 Disconnect the connectors for the electronic expansion valve coil S20 white room A S21 red room B S22 blue room C S23 yellow room D Pull out the clamp 5 room models also has S24 green...

Page 431: ...e gas pipe thermistor S92 Pull out the clamp 8 Disconnect the connector for the thermistors S90 Pull out the clamp 9 The wire harness of the thermistor is hooked under the electrical box Unhook it and...

Page 432: ...e 10 Disconnect the connector for the overload protector S40 11 The wire harness for the compressor is attached to the partition plate 1 by the clamp 12 Pull out the clamp with pliers Step Procedure P...

Page 433: ...421 13 Disconnect the relay connector of the compressor 14 Remove the screw on the stop valve mounting plate 15 Remove the screw on the partition plate 1 Step Procedure Points R6469 R10395 Electrical...

Page 434: ...ass SiBE121021_C 422 Removal Procedure 16 Slide the electrical box leftward to unfasten the hook on the right side of the electrical box 17 Lift up the electrical box and remove it Step Procedure Poin...

Page 435: ...es or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the main PCB 1 Remove the cover of the electrical box Release the 4 hooks The hooks are marked...

Page 436: ...R1 HR2 reactor AC1 AC2 terminal board power supply U V W compressor Refer to page 82 for detail 6 Remove the main PCB 2 Remove the reactor 1 Remove the screw 2 Remove the 3 screws and lift the reactor...

Page 437: ...e monitor PCB 1 Disconnect the connectors S52 S102 from the service monitor PCB 2 Slightly lift the top hook to detach 3 Unfasten the bottom hook and remove the service monitor PCB Refer to page 82 fo...

Page 438: ...r Unit 80 90 Class SiBE121021_C 426 Removal Procedure 4 Remove the terminal board 1 Remove the screw 2 Unfasten the hook 3 Remove the terminal board Step Procedure Points R10411 Terminal board R10412...

Page 439: ...ep Procedure Points 1 2 Remove the 2 lower screws of the fan motor Remove the 2 upper screws Be sure to remove the lower screws first If the upper screws are removed first the fan motor may tilt or fa...

Page 440: ...stors Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the electronic expansion valve coils 1 Pull...

Page 441: ...SiBE121021_C Outdoor Unit 80 90 Class Removal Procedure 429 2 Remove the thermistors 1 Pull out the gas pipe thermistors Step Procedure Points Gas pipe thermistors R10416 R6448 Gas pipe thermistor...

Page 442: ...al Procedure 2 Peel off the putty and pull out the liquid pipe thermistors 3 Pull out the outdoor heat exchanger thermistor Step Procedure Points Liquid pipe thermistors R10417 R6450 Liquid pipe therm...

Page 443: ...4 Remove the clip from the outdoor heat exchanger thermistor Be careful not to lose the clip 5 Slightly open the sound blanket outer 6 Remove the sound blanket top upper Step Procedure Points R6452 Cl...

Page 444: ...SiBE121021_C 432 Removal Procedure 7 Remove the discharge pipe thermistor 8 Remove the fixture 3 Remove the four way valve coil 1 Remove the screw Step Procedure Points R10420 Discharge pipe thermist...

Page 445: ...SiBE121021_C Outdoor Unit 80 90 Class Removal Procedure 433 2 Remove the four way valve coil Step Procedure Points R10432 Four way valve coil...

Page 446: ...es before disassembling work Step Procedure Points 1 Open the sound blanket outer 2 Remove the sound blanket top upper The sound blanket is fragile Carefully pass the blanket through the discharge pip...

Page 447: ...sound blanket is fragile Carefully pass the blanket through the discharge pipe 6 Open the sound blanket inner and pass it through the part of the mufflers The sound blanket is fragile Be careful of t...

Page 448: ...Outdoor Unit 80 90 Class SiBE121021_C 436 Removal Procedure 7 Remove the sound blanket inner Step Procedure Points R10439...

Page 449: ...fter turning off all power supplies before disassembling work Step Procedure Points 1 Remove the terminal cover 2 Disconnect the compressor lead wires U red V yellow W blue 3 Remove the overload prote...

Page 450: ...Trial Operation 443 4 1 RA Indoor Unit F C TXG FTXS ATXS FVXS FLK X S FDK X S Series 443 4 2 SA Indoor Unit FFQ FCQ FDBQ FBQ FHQ Series 445 5 Field Settings 447 5 1 RA Indoor Unit F C TXG FTXS ATXS FV...

Page 451: ...g the unit Detail 1 Remove the valve caps from the liquid stop valve and the gas stop valve 2 Carry out forced cooling operation 3 After 5 to 10 minutes close the liquid stop valve with a hexagonal wr...

Page 452: ...4 The operation mode switch SW2 on the outdoor unit is set to the cooling mode 4 The operation mode switch SW2 on the outdoor unit is set to the heating mode Start Press the forced operation ON OFF sw...

Page 453: ...the service monitor LED indicators start blinking Self correction complete The LED indicators 1 3 3 room model 1 4 4 room model or 1 5 5 room model blink one after another Self correction impossible T...

Page 454: ...data on the microcomputer memory Those data can be checked by looking at the service monitor LED indicators when the wiring error checking is over during forced operation at the stop of the system The...

Page 455: ...he operation mode The system then restarts operation with the previous mode when the circuit breaker is restored In cooling mode select the lowest programmable temperature in heating mode select the h...

Page 456: ...rminates in approx 30 minutes and switches into normal mode To quit a trial operation press the ON OFF button ARC433 Series 1 Press the ON OFF button to turn on the system 2 Press the center of the TE...

Page 457: ...ulated Water leakage Have the connections been checked for refrigerant leakage Poor cooling Poor heating Stop Is the supply voltage conform to the specifications on the name plate Incorrect operation...

Page 458: ...6 Test operation is displayed on the bottom of the basic screen 7 Push the ON OFF button within 10 seconds to start the test operation How to check airflow direction 8 Push the Menu Enter button to e...

Page 459: ...P Cooling only model Set the DIP switch to C O 5 1 2 When 2 Units are Installed in 1 Room Outline When 2 indoor units are installed in 1 room 1 of the 2 pairs of indoor unit and wireless remote contr...

Page 460: ...ew 5 Pull out the indoor heat exchanger thermistor 6 Remove the shield plate 8 tabs 7 Cut the address jumper JA on the indoor unit PCB 8 Cut the address jumper J4 in the remote controller Refer to Wir...

Page 461: ...he jumper JA on PCB Wireless Remote Controller 1 Remove the cover and take it off 2 Cut the address setting jumper ADDRESS JA R11732 EXIST CUT 1 2 1 2 3 ADDRESS JA R10276 ADDRESS JA EXIST CUT 1 2 JB J...

Page 462: ...tat OFF effective only at cooling operation Fan speed setting Remote controller setting Fan speed setting 0 The fan stops JC Power failure recovery function Auto restart The unit does not resume opera...

Page 463: ...3 If the indoor unit is under group control all settings for all the indoor units are set at the same time Use the codes 10 to 15 to apply this group control and proceed to the next step If you want...

Page 464: ...2 and 23 have been selected push the button to highlight and buttons to select the INDOOR UNIT NO to be set This operation is unnecessary when setting by group 5 Highlight the second code No to be cha...

Page 465: ...r 4 seconds during normal mode to enter the field setting mode 2 Press the MODE button to select the desired mode No 3 Press the UP button to select the first code No 4 Press the DOWN button to select...

Page 466: ...locity for high ceiling applications 2 7 m 2 7 3 0 m 3 0 3 5 m 1 Selection of airflow direction setting for when a blocking pad kit has been installed 4 way flow 3 way flow 2 way flow 3 Selection of a...

Page 467: ...n below Gently pry off the upper part of the controller working from the two possible positions 2 Set the MAIN SUB changeover switch on the PCB to S Step Action Remote controller 1 Put on the power fo...

Page 468: ...remote controller you have to change the MAIN SUB setting on the signal receiver PCB Signal Receiver PCB Set the address setting switch SS2 on the signal receiver PCB according to the table below When...

Page 469: ...1 second to exit the field setting mode and return to the normal display Multiple Settings A b When the indoor is controlled by outside controller central remote controller etc it sometimes does not...

Page 470: ...on panel air discharge outlet as well as on the back of the wireless remote controller Note Set the unit No of the receiver and the wireless remote controller to be the same If the settings differ the...

Page 471: ...room setting is made POWERFUL signal from the priority room unit is received Note The operation mode of the priority room unit has precedence Cancellation of control The control function is canceled w...

Page 472: ...ting only H Short circuit pins 1 and 3 of the connector S15 Setting to cooling only C Short circuit pins 3 and 5 of the connector S15 The following specifications apply to the connector housing and pi...

Page 473: ...tings are complete reset the power 2 Install the removed jumper switch as described below This jumper switch is needed later to disable this setting 5 3 4 ECONO mode proof Setting Outline When install...

Page 474: ...of the power transistor and the diode bridge Applying the paste should be implemented in accordance with the following instruction Remark There is the possibility of failure with smoke in case of bad...

Page 475: ...SiBE121021_C Appendix 463 Part 9 Appendix 1 Piping Diagrams 464 1 1 Indoor Unit 464 1 2 Outdoor Unit 470 2 Wiring Diagrams 475 2 1 Indoor Unit 475 2 2 Outdoor Unit 483...

Page 476: ...RIGERANT FLOW COOLING HEATING 4D065855 THERMISTOR ON HEAT EXCH INDOOR UNIT 6 4CuT CROSS FLOW FAN FIELD PIPING FIELD PIPING 6 4CuT 12 7CuT M FAN MOTOR 9 5CuT HEAT EXCHANGER REFRIGERANT FLOW COOLING HEA...

Page 477: ...15 9CuT M FAN MOTOR 12 7CuT HEAT EXCHANGER REFRIGERANT FLOW COOLING HEATING 4D040082U FVXS25 35FV1B FVXS50FV1B THERMISTOR ONHEATEXCH INDOOR UNIT MUFFLER ASSY 7 0CuT 6 4CuT 6 4CuT 6 4CuT 6 4CuT 6 4CuT...

Page 478: ...CuT 12 7CuT THERMISTOR ON HEAT EXCH FIELD PIPING 6 4CuT FIELD PIPING 12 7CuT SIROCCO FAN M FAN MOTOR REFRIGERANT FLOW COOLING HEAT EXCHANGER 4D048723A INDOOR UNIT 6 4CuT 9 5CuT THERMISTOR ON HEAT EXCH...

Page 479: ...D PIPING 6 4CuT FIELD PIPING A CuT FDKS25EAVMB FDKS35EAVMB FDXS25EAVMB FDXS35EAVMB FDKS50CVMB FDKS60CVMB FDXS50CVMB FDXS60CVMB INDOOR UNIT FAN MOTOR M SIROCCO FAN HEAT EXCHANGER REFRIGERANT FLOW COOLI...

Page 480: ...35C FCQ50C FCQ60C 9 52 12 70 6 35 6 35 Model Gas Liquid Liquid pipe connection port Gas pipe connection port Cooling Heating Fan Heat exchanger C 3TW20815 1B Model FDBQ25B8V1 Gas 9 52 Liquid 6 35 Refr...

Page 481: ...70 12 70 6 35 6 35 6 35 Refrigerant pipe connection port diameters Model Gas Liquid Liquid pipe connection port Gas pipe connection port Heat exchanger Refrigerant flow Cooling Heating To Outdoor unit...

Page 482: ...FLER ACCUMULATOR MUFFLER REFRIGERANT FLOW COOLING COMPRESSOR EVB EVC 3D052056C EVA 12 7CuT 7 9CuT 12 7CuT 9 5CuT 6 4CuT 6 4CuT 6 4CuT 6 4CuT 12 7CuT 12 7CuT 12 7CuT 12 7CuT ELECTRONIC EXPANSION VALVE...

Page 483: ...9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 15 9CuT 9 5CuT 9 5CuT 15 9CuT 15 9CuT 9 5CuT 15 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 12 7CuT 12 7CuT 12 7CuT 12 7CuT 12 7...

Page 484: ...FILTER EVA EVB EVC FILTER FILTER FILTER GAS PIPE THERMISTOR DGA GAS PIPE THERMISTOR DGB GAS PIPE THERMISTOR DGC HEADER 3D052055C OUTDOOR UNIT HEAT EXCHANGER 12 7CuT 12 7CuT 12 7CuT 12 7CuT 6 4CuT 12 7...

Page 485: ...ILTER FILTER FILTER FILTER 3D055041 OUTDOOR UNIT 12 7CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 15 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 15 9CuT 15 9CuT 9 5CuT 15 9CuT 9 5CuT 15 9CuT 9 5Cu...

Page 486: ...R ROOM A LIQUID PIPE THERMISTOR ROOM B LIQUID PIPE THERMISTOR ROOM C LIQUID PIPE THERMISTOR ROOM D LIQUID PIPE THERMISTOR ROOM E FIELD PIPING LIQUID FIELD PIPING GAS HEAT EXCHANGER CONDENSER THERMISTO...

Page 487: ...ERATION SWITCH LIMIT SWITCH TERMINAL STRIP BUZZER PROTECTIVE EARTH NOTE THAT OPERATION WILL RESTART AUTOMATICALLY IF THE MAIN POWER SUPPLY IS TURNED OFF AND THEN BACK ON AGAIN 3D065507B 1 FU1 X1M PCB1...

Page 488: ...R FRAME GROUND FUSE PILOT LAMP MAGNETIC RELAY FAN MOTOR SWING MOTOR PRINTED CIRCUIT BOARD THERMISTOR CONNECTOR OPERATION SWITCH VARISTOR TERMINAL STRIP PROTECTIVE EARTH M1F 3D064800A M S1W M M S2W 4 3...

Page 489: ...R2T S6 S37 X11A X21A S1W X1M PRINTED CIRCUIT BOARD THERMISTOR CONNECTOR OPERATION SWITCH SW7 TERMINAL STRIP 3D033909F PCB2 LED H1P LED H2P S1W LED H3P 2RTH1 R1T t 10 1 S1 1 BRN S26 2 PCB1 S32 R2T t 1...

Page 490: ...D WIRE 6 SYMBOLS SHOW AS FOLLOWS RED RED BLK BLACK WHT WHITE YLW YELLOW PRP PURPLE GRY GRAY BLU BLUE PRINTED CIRCUIT BOARD CAPACITOR M1F FUSE F5A 250V LIGHT EMITTING DIODE SERVICE MONITOR GREEN MAGNET...

Page 491: ...Magnetic relay M1P Motor indoor fan Motor drain pump Motor swing flap Power supply circuit Thermistor air Thermistor coil Terminal block Connector Field wiring R3T RC S1L SS1 TC X1M X2M Z1C A3P A4P BS...

Page 492: ...ed circuit board Humidity sensor unit Light emitting diode Service monitor green Magnetic relay M1P Motor Indoor fan Motor Drain pump Motor Swing ap Power supply circuit Thermistor Air Thermistor Coil...

Page 493: ...Indoor unit 1N 220 240V 50Hz 1N 220V 60Hz indoor Switch box indoor norm emg Colors L N Transmission wiring central remote control note 2 Common power supply note 4 1 Use copper conductors only 2 When...

Page 494: ...A t X11A X35A HAP V1TR X24A NOTE 4 KAR X15A X14A X20A X29A X26A X5A BLK BLK PRP BLU GRY X1M BLK RED P2 P1 NOTE 6 YLW C1 WHT S1Q MSW M1F M1S M SS1 P2 P1 Q1M R1T IN CASE OF SIMULTANEOUS OPERATION SYSTEM...

Page 495: ...REACTOR OVERLOAD PROTECTOR POWER MODULE PRINTED CIRCUIT BOARD TERMINAL STRIP FIXED PLATE 3D057135 N L POWER SUPPLY ROOM D ROOM C ROOM A 3 3 3 3 2 2 2 2 1 1 1 1 FIELD WIRING indoor GRN SHEET METAL YLW...

Page 496: ...CONNECTOR MRM10 MRM20 MRC W R1T R11T S2 S102 LED1 LED4 LEDA MAGNETIC RELAY THERMISTOR CONNECTOR PILOT LAMP L N SW1 SW2 SW3 SW4 SW5 LIVE NEUTRAL FORCED OPERATION ON OFF SW SW1 SELECT SW SW2 WIRING ERRO...

Page 497: ...R MOTOR FAN MOTOR REACTOR OVERLOAD PROTECTOR POWER MODULE PRINTED CIRCUIT BOARD REVERSING SOLENOID VALVE COIL TERMINAL STRIP FIXED PLATE 3D057134 indoor outdoor FIELD WIRING Y3E M V RED X4M RED WHT 1...

Page 498: ...OR MRM10 MRM20 MRC W R1T R11T S2 S102 LED1 LED4 LEDA MAGNETIC RELAY THERMISTOR CONNECTOR PILOT LAMP L N SW1 SW2 SW3 SW4 SW5 LIVE NEUTRAL FORCED OPERATION ON OFF SW SW1 SELECT SW SW2 WIRING ERROR CHECK...

Page 499: ...V9 V100 SA2 FU1 FU2 FU3 AC1 AC2 U V W X11A E1 E2E HR1 HR2 H1 H2 L1 L2 MRM10 MRM20 MRC W Ferrite core Terminal strip Electronic expansion valve coil Varistor Surge arrester Fuse Connector Magnetic rela...

Page 500: ...ontents 07 2010 SiBE121021 11 2010 SiBE121021_A M 10013 Correction of troubleshooting flowchart AF for SkyAir models 12 2010 SiBE121021_B Correction of data 03 2011 SiBE121021_C Model addition FTXS J2...

Page 501: ...tant safety instructions and warnings Be sure to follow these instructions and warnings If you have any enquiries please contact your local importer distributor and or retailer Cautions on product cor...

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Daikin Super Multi NX FFQ25B8V1B, Service Manual

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