Daikin RX35JVEA9 - Service Manual

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Si04-115

Inverter Pair

FTK(X)-J / RK(X)-J Series

[Applied Models]

!Inverter Pair : Cooling Only

!Inverter Pair : Heat Pump

Service

Manual

Main Page

Table of Contents3
Part 1 List of Function3
Part 3 Printed Circuit Board Connector Wiring Diagram3
Part 5 System Configuration3
Part 6 Service Diagnosis3
Introduction6
- Safety Cautions6
Part 1 List of Function10
Functions11
- Indoor Unit and Outdoor Unit11
Part 2 Specification12
Specifications13
- Cooling Only13
- Specifications14
- Heat Pump17
Part 3 Printed Circuit Board Connector Wiring Diagram20
Printed Circuit Board Connector Wiring Diagram and Name21
- FTK25/35J Series, FTX25/35J Series21
- Control Pcb22
- RK25/35J Series, RX25/35J Series24
Part 4 Main Function26
General Functionality27
- Functions of Thermistors27
- Operating Modes29
- Frequency Principle30
- Defrost Control32
- Forced Operation Mode33
- Wide-Angle Flaps, Diffuser, Louveres and Autoswing34
- Fan Speed Control for Indoor Units35
- Fan Speed Control for Outdoor Units36
- General Functions37
- Intelligent Eye39
- Good Sleep Cooling Control41
- Automatic Operation42
- Input Current Control43
- Freeze Protection Function in Cooling44
- Peak-Cut Control Function45
- Four-Way Valve Function Compensation46
- Compressor Protection Function47
- Wet Operation Protection48
- Dew Condensation Sweating Prevention Function49
Part 5 System Configuration50
Instruction51
- Ftk25 / 35J, Ftx25 / 35J51
Part 6 Service Diagnosis70
Caution for Diagnosis71
- Troubleshooting with the Operation Lamp71
Problem Symptoms and Measures72
Service Check Function73
- ARC423 Series73
Code Indication on the Remote Controller74
- Error Codes and Description of Fault74
Trouble Shooting75
- Faulty PCB75
- Operation Shutdown Due to High-Pressure Control or Freeze-Up Protection (Thermistor Activation)76
- Operation Halt Due to Fan Motor (AC Motor) or Related Abnormality77
- Operation Halt Due to Detection of Thermistor or Related Abnormality78
- Faulty Indoor Unit PCB79
- Faulty Indoor Unit PCB80
- Power Supply Abnormalities or Faulty Indoor Printed Circuit Boards81
- Signal Transmission Error (between Indoor and Outdoor Units)82
- Operation Halt Due to Detection of CT Error83
- Operation Halt Due to Thermistor Error or Disconnection Detection84
- Operation Halt Due to Compressor Startup Error85
- Output Overcurrent86
- Troubleshooting87
- Faulty Outdoor Unit PCB88
- Faulty Outdoor Unit PCB and Transmitting/Receiving Circuit89
- Operation Halt Due to Detection of Input over Current90
- Interrupt Due to OL Action92
Check94
- How to Check94
- Power Transistor Check94
  - Capacitor Voltage Check94
  - Thermistor Resistance Check97
- Installation Condition Check98
- Discharge Pressure Check99
- Rectifier Check99
- Power Supply Waveforms Check100
- Hall IC Check101
- Refrigerant System Check101
Part 7 Removal Procedure102
For FTK25J, FTK35J, FTX25J, FTX35J103
- Removal of Air Filter103
- Removal of Front Grille106
- Removal of Horizontal Blade and Vertical Blade109
- Removal of Switch Box, PC Board and Swing Motor111
- Removal of Heat Exchanger117
- Install of Drain Plug120
- Removal of Fan Rotor and Motor121
- Si04124
For RK25J, RK35J, RX25J, RX35J125
- Removal of External Casing125
- Removal of Bell Mouth and Left Side Plate128
- Removal of PC Board and Switch Box129
- Removal of Propeller Fan and Fan Motor135
- Removal of Compressor Noise Absorption Pad137
- Removal of Partition Plate and Reactor139
- Removal of Four-Way Valve141
- Removal of Compressor143
Part 8 Others147
Others147
- Explanation147
Part 9 Appendix150
Piping Diagram151
- Indoor Unit151
- Outdoor Unit152
Wiring Diagram154
- Indoor Unit154
- Outdoor Unit156
Index158

Daikin RX35JVEA9 - Service Manual

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