Daikin Super Multi Plus E-Series FTXG25EV1BW

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Service

Manual

E-Series

SiBE18-821_C

[Applied Models]

● Super Multi Plus : Heat Pump

Main Page

Table of Contents3
Part 1 List of Functions3
Part 2 Specifications3
Part 3 Printed Circuit Board Connector Wiring Diagram3
Part 4 Refrigerant Circuit3
Part 5 Function3
Introduction8
- Safety Cautions8
- Used Icons12
Part 1 List of Functions13
Functions14
Part 2 Specifications22
Part 2 Specifications23
Specifications23
- Outdoor Unit23
- BP Unit24
- Indoor Unit25
Part 3 Printed Circuit Board Connector Wiring Diagram38
Outdoor Unit39
- Rmxs112/140/160E8V1B39
BP Unit42
- Bpmks967B2B/B3B42
Indoor Unit43
- Wall Mounted Type43
- Floor Standing Type56
- Floor / Ceiling Suspended Dual Type58
- Duct Connected Type60
- Ceiling Mounted Cassette Type62
- Ceiling Mounted Built-In Type66
- Ceiling Suspended Type71
Remote Controller73
- Wired Remote Controller73
- Wireless Remote Controller75
Part 4 Refrigerant Circuit77
Refrigerant Circuit78
- Outdoor Unit78
- Refrigerant Circuit Part78
- BP Unit80
Functional Parts Layout81
- Outdoor Unit81
Refrigerant Flow for each Operation Mode83
- Cooling Operation83
- Heating Operation84
- Cooling Oil Return Operation85
- Heating Oil Return Operation & Defrost Operation86
Part 5 Function87
Operation Mode89
Basic Control90
- Normal Operation90
- Compressor PI Control91
- Electronic Expansion Valve PI Control92
- Cooling Operation Fan Control93
Special Control94
- Startup Control94
- Oil Return Operation95
- Defrosting Operation97
- Pump-Down Residual Operation98
- Restart Standby99
- Stopping Operation99
Protection Control100
- High Pressure Protection Control100
- Low Pressure Protection Control101
- Discharge Pipe Temperature Protection Control102
- Inverter Protection Control103
- Freeze-Up Protection Control104
- Dew Condensation Prevention Control105
Other Control106
- Demand Control106
- Heating Operation Prohibition Control106
BP Unit Control107
- BP Unit Command Conversion107
- BP Unit Electronic Expansion Valve Control108
- SH Control in Cooling Operation110
- SC Control in Heating Operation111
- Heat Exchanger Isothermal Control in Heating Operation111
Indoor Unit Control (RA Models)112
- Temperature Control112
- Operation Starting Control113
- Airflow Direction Control114
- Fan Speed Control for Indoor Units116
- Program Dry Operation117
- Automatic Operation118
- Thermostat Control119
- NIGHT SET Mode121
- ECONO Operation122
- HOME LEAVE Operation123
- 2-Area INTELLIGENT EYE Operation124
- INTELLIGENT EYE Operation126
- Inverter POWERFUL Operation127
- Other Functions129
- Weekly Timer Operation130
Indoor Unit Control (SA Models)131
- Drain Pump Control131
- Thermostat Sensor in Remote Controller133
- Freeze Prevention Control135
- Hot Start Control (in Heating Operation Only)136
Part 6 Test Operation and Field Settings137
Test Operation138
- Procedure and Outline138
- Check Operation139
- Operation When Power Is Turned on140
- Outdoor Unit PCB Layout141
- BP Unit142
- RA Indoor Unit - F(C)TXG, FTXS, FVXS, FLXS, FDXS Series144
- SA Indoor Unit - FFQ, FCQ, FDBQ, FBQ, FHQ Series146
- Check Points146
Field Settings148
- Outdoor Unit148
- RA Indoor Unit - F(C)TXG, FTXS, FVXS, FLXS, FDXS Series166
- SA Indoor Unit - FFQ, FCQ, FDBQ, FBQ, FHQ Series170
Part 7 Operation Manual178
System Configuration179
Outdoor Unit180
- RMXS Series180
- FTXG-J, CTXG-J Series - ARC466A1181
- Name of Parts181
- Signal Transmitter183
- Temperature Adjustment Buttons183
- Mode Selector Button184
- Off Timer Button184
  - Fan Operation185
  - Operating Conditions186
- Operation Manual186
  - Adjusting the Airflow Direction and Rate187
  - Comfort Airflow Operation189
- Powerful Operation192
- FTXS-G, FVXS Series - ARC452A1, A3204
- Arc433B41, B67, B69, B70239
- FTXG-E, CTXG-E, FTXS-F, FLXS, FDXS Series239
RA Indoor Unit181
SA Indoor Unit - FFQ, FCQ, FDBQ, FBQ, FHQ Series263
- Brc1D528263
- Brc1E51A7278
- Brc7E530W, Brc7F532F, Brc7Ea63W323
  - Operation Range326
  - Operation Procedure327
Part 8 Troubleshooting335
Troubleshooting with LED337
- Outdoor Unit337
- BP Unit342
- Indoor Unit343
- Operation Lamp343
Service Check Function346
- RA Indoor Unit - F(C)TXG, FTXS, FVXS, FLXS, FDXS Series346
- SA Indoor Unit - FFQ, FCQ, FDBQ, FBQ, FHQ Series355
Error Codes and Description362
Troubleshooting for RA Indoor Unit364
- Indoor Unit PCB Abnormality364
- Freeze-Up Protection Control or Heating Peak-Cut Control365
- Fan Motor or Related Abnormality367
- Thermistor or Related Abnormality (Indoor Unit)370
- Front Panel Open / Close Fault371
- Fan Motor Connector Output Check372
- Check for RA Indoor Unit372
  - Thermistor Resistance Check373
  - Hall IC Check374
Troubleshooting for SA Indoor Unit375
- Indoor Unit PCB Abnormality375
- Drain Water Level System Abnormality376
- Fan Motor or Related Abnormality (FHQ Series)378
- Swing Motor Lock (FHQ Series)379
- Drain System Abnormality380
- Indoor Liquid Pipe Thermistor (R2T) Abnormality381
- Indoor Heat Exchanger Thermistor (R3T) Abnormality382
- Suction Air Thermistor (R1T) Abnormality383
- Remote Controller Thermistor Abnormality384
- Transmission Error between Remote Controller and Indoor Unit385
- Transmission Error between Main and Sub Remote Controllers386
- Field Setting Switch Abnormality387
Troubleshooting for BP Unit388
- Electronic Expansion Valve Abnormality388
- BP Unit PCB Abnormality389
- BP Liquid or Gas Pipe Thermistor Abnormality390
- Transmission Error between Indoor Unit and BP Unit391
- Transmission Error between Outdoor Unit and BP Unit393
- Power Supply Waveforms Check394
- Check for BP Unit394
Troubleshooting for Outdoor Unit395
- Outdoor Unit PCB Abnormality395
- Actuation of High Pressure Switch396
- Actuation of Low Pressure Sensor398
- Compressor Motor Lock400
- Outdoor Fan Motor Abnormality401
- Moving Part of Electronic Expansion Valve (Y1E, Y3E) Abnormality402
- Discharge Pipe Temperature Abnormality404
- Refrigerant Overcharged405
- Outdoor Temperature Thermistor (R1T) Abnormality406
- Discharge Pipe Thermistor (R2T) Abnormality407
- Suction Pipe Thermistor (R3T, R5T) Abnormality408
- Outdoor Heat Exchanger Thermistor (R4T) Abnormality409
- Outdoor Liquid Pipe Thermistor (R7T) Abnormality410
- Subcooling Heat Exchanger Gas Pipe Thermistor (R6T) Abnormality411
- High Pressure Sensor Abnormality412
- Low Pressure Sensor Abnormality413
- Outdoor Unit PCB Abnormality414
- Radiation Fin Temperature Rise415
- Inverter Compressor Abnormality416
- Inverter Current Abnormality417
- Compressor Start-Up Error418
- High Voltage of Capacitor in Main Inverter Circuit419
- Radiation Fin Thermistor Abnormality420
- Low Pressure Drop Due to Refrigerant Shortage or Electronic Expansion Valve Abnormality421
- Power Supply Insufficient or Instantaneous Failure423
- Check Operation Is Not Conducted424
- Transmission Error between Remote Controller and Indoor Unit425
- Transmission Error between Main and Sub Remote Controllers426
- Transmission Error between Indoor Unit and Outdoor Unit in the same System427
- Excessive Number of Indoor Units429
- Address Duplication of Central Remote Controller430
- Transmission Error between Centralized Remote Controller and Indoor Unit431
- System Is Not Set yet433
- System Abnormality, Refrigerant System Address Undefined434
- Check for Outdoor Unit435
- Troubleshooting436
- Fan Motor Connector Check437
Thermistor Resistance / Temperature Characteristics439
Pressure Sensor441
Method of Replacing Inverter's Power Transistors Modules442
Part 9 Removal Procedure444
- Outdoor Unit445
- Removal of Outer Panels445
- Removal of Pcbs / Electrical Components448
- Removal of Outdoor Fans / Fan Motors455
- Removal of Thermistors457
- Removal of Electronic Expansion Valves / Peripheral Equipments458
- Removal of Four Way Valve462
- Removal of Compressor463
- BP Unit466
- Removal of PCB Assembly466
- Removal of Electronic Expansion Valve Coils469
Part 10 Appendix472
Piping Diagrams473
- Indoor Unit475
Wiring Diagrams481
- Indoor Unit483

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Daikin Super Multi Plus E-Series FTXG25EV1BW Specifications

General

Brand	Daikin
Model	Super Multi Plus E-Series FTXG25EV1BW
Category	Air Conditioner
Language	English

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