Daikin C Series - Service Manual

Daikin C Series

147 pages

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SiBE07-618_C

[Applied Models]

 Inverter Pair : Cooling Only

 Inverter Pair : Heat Pump

Inverter Pair

Duct Connected Type C-Series

Table of Contents

Table of Contents3
Part 1 List of Functions3
Part 3 Printed Circuit Board Connector Wiring Diagram3
Introduction6
- Safety Cautions6
- Used Icons10
Part 1 List of Functions11
Functions12
Part 2 Specifications15
Specifications16
- Cooling Only16
- Heat Pump19
Part 3 Printed Circuit Board Connector Wiring Diagram22
Printed Circuit Board Connector Wiring Diagram23
- Indoor Unit23
- Outdoor Unit25
Part 4 Function and Control27
Main Functions28
- Temperature Control28
- Frequency Principle28
- Fan Speed Control for Indoor Units30
- Program Dry Operation31
- Automatic Operation32
- Thermostat Control33
- NIGHT SET Mode34
- HOME LEAVE Operation35
- Inverter POWERFUL Operation36
- Other Functions37
Function of Thermistor38
Control Specification39
- Mode Hierarchy39
- Frequency Control40
- Controls at Mode Changing / Start-Up42
- Discharge Pipe Temperature Control43
- Input Current Control44
- Freeze-Up Protection Control45
- Heating Peak-Cut Control45
- Outdoor Fan Control46
- Liquid Compression Protection Function46
- Defrost Control47
- Electronic Expansion Valve Control48
- Malfunctions51
- Forced Operation Mode52
Part 5 Operation Manual53
System Configuration54
Operation Manual55
- Remote Controller55
- AUTO · DRY · COOL · HEAT · FAN Operation56
- To Change the Air Flow Rate Setting57
- POWERFUL Operation58
- OUTDOOR UNIT QUIET Operation59
- HOME LEAVE Operation60
- TIMER Operation62
  - To Use on Timer Operation63
  - To Combine on Timer and off Timer63
Part 6 Service Diagnosis64
Caution for Diagnosis65
- Troubleshooting with LED65
Problem Symptoms and Measures66
Service Check Function67
Troubleshooting70
- Error Codes and Description70
- Indoor Unit PCB Abnormality71
- Freeze-Up Protection Control or Heating Peak-Cut Control72
- Fan Motor (AC Motor) or Related Abnormality74
- Thermistor or Related Abnormality (Indoor Unit)75
- Signal Transmission Error (between Indoor Unit and Outdoor Unit)76
- Unspecified Voltage (between Indoor Unit and Outdoor Unit)77
- Outdoor Unit PCB Abnormality78
- OL Activation (Compressor Overload)79
- Compressor Lock80
- DC Fan Lock81
- Input Overcurrent Detection82
- Four Way Valve Abnormality83
- Discharge Pipe Temperature Control85
- High Pressure Control in Cooling86
- Compressor System Sensor Abnormality87
- Position Sensor Abnormality88
- CT or Related Abnormality90
- Thermistor or Related Abnormality (Outdoor Unit)92
- Electrical Box Temperature Rise94
- Radiation Fin Temperature Rise96
- Output Overcurrent Detection98
- Refrigerant Shortage100
- Low-Voltage Detection or Over-Voltage Detection102
- Signal Transmission Error (on Outdoor Unit PCB)103
Check104
- How to Check104
Part 7 Removal Procedure111
Outdoor Unit112
- Removal of Outer Panels112
- Removal of Outdoor Fan / Fan Motor116
- Removal of Electrical Box120
- Removal of PCB125
- Removal of Sound Blanket / Thermistors128
- Removal of Four Way Valve130
- Removal of Electronic Expansion Valve131
- Removal of Compressor132
Part 8 Trial Operation and Field Settings135
Trial Operation136
Field Settings137
- When 2 Units Are Installed in 1 Room137
- Facility Setting Switch (Cooling at Low Outdoor Temperature)138
- Jumper and Switch Settings138
Application of Silicon Grease to a Power Transistor and a Diode Bridge139
Part 9 Appendix140
Piping Diagrams141
- Indoor Unit141
- Outdoor Unit142
Wiring Diagrams143
- Indoor Unit143
- Outdoor Unit144

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