Daikin FTKS25D3VMW(L)

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SiENBE04-507A Outdoor Unit

Removal Procedure 199

Step

Procedure Points

Heat up the brazed part

of the suction side and

disconnect.

Lift the compressor up

and remove it.

Main Page

Table of Contents3
Introduction6
- Safety Cautions6
Part 1 List of Functions10
List of Functions11
Part 2 Specifications16
- Cooling Only17
- Heat Pump30
Part 3 Printed Circuit Board Connector Wiring Diagram48
Printed Circuit Board Connector Wiring Diagram49
- Indoor Unit49
- Outdoor Unit51
Function and Control54
Main Functions55
- Frequency Principle55
- Air Flow Direction Control57
- Fan Speed Control for Indoor Units58
- Programme Dry Function59
- Automatic Operation60
- Thermostat Control61
- NIGHT SET Mode62
- ECONO Mode63
- Intelligent Eye64
- Inverter POWERFUL Operation66
- Other Functions67
Function of Thermistor68
- Heat Pump Model68
- Cooling Only Model69
Control Specification70
- Mode Hierarchy70
- Frequency Control71
- Controls at Mode Changing / Start-Up73
- Discharge Pipe Control74
- Input Current Control75
- Freeze-Up Protection Control76
- Heating Peak-Cut Control76
- Fan Control77
- Liquid Compression Protection Function 277
- Defrost Control78
- Electronic Expansion Valve Control79
- Malfunctions82
- Forced Operation Mode83
- Additional Function83
- Facility Setting Jumper (Cooling at Low Outdoor Temperature)84
Part 5 System Configuration86
System Configuration87
Instruction88
- Safety Precautions88
  - Installation Site89
  - Electrical Work89
- Names of Parts90
- Remote Control92
- Preparation before Operation93
- To Set the Clock95
- AUTO · DRY · COOL · HEAT · FAN Operation96
- To Change the Air Flow Rate Setting97
- Adjusting the Air Flow Direction98
- POWERFUL Operation100
- OUTDOOR UNIT SILENT Operation101
- ECONO Operation102
- INTELLIGENT EYE Operation103
- TIMER Operation105
  - To Use on Timer Operation106
  - To Combine on Timer and off Timer106
- Care and Cleaning107
  - Air Filter108
  - Before a Long Idle Period109
- Troubleshooting110
Part 6 Service Diagnosis114
Caution for Diagnosis115
Problem Symptoms and Measures116
Service Check Function117
Troubleshooting120
- Error Codes and Description120
- Indoor Unit PCB Abnormality121
- Freeze-Up Protection Control or High Pressure Control122
- Fan Motor (DC Motor) or Related Abnormality124
- Thermistor or Related Abnormality (Indoor Unit)126
- Signal Transmission Error (between Indoor and Outdoor Unit)127
- Unspecified Voltage (between Indoor and Outdoor Units)128
- Outdoor Unit PCB Abnormality129
- OL Activation (Compressor Overload)130
- Compressor Lock131
- DC Fan Lock132
- Input over Current Detection133
- Four Way Valve Abnormality134
- Discharge Pipe Temperature Control136
- High Pressure Control in Cooling137
- Compressor System Sensor Abnormality139
- Position Sensor Abnormality140
- DC Voltage / Current Sensor Abnormality141
- Thermistor or Related Abnormality (Outdoor Unit)142
- Electrical Box Temperature Rise144
- Radiation Fin Temperature Rise146
- Output over Current Detection148
- Insufficient Gas150
- Over-Voltage Detection152
Check153
- How to Check153
- Fan Motor Connector Output Check153
- Electronic Expansion Valve Check153
- Four Way Valve Performance Check154
- Thermistor Resistance Check155
- Installation Condition Check156
- Discharge Pressure Check156
- Outdoor Unit Fan System Check157
- Power Supply Waveforms Check157
- Power Transistor Check158
Part 7 Removal Procedure160
Indoor Unit161
- Removal of Air Filter161
- Removal of Front Panel163
- Removal of Front Grille165
- Removal of Horizontal Blades and Vertical Blades168
- Removal of Electrical Box171
- Removal of PCB174
- Removal of Drain Pan Unit180
- Removal of Fan Motor184
- Removal of Heat Exchanger186
- Removal of Fan Rotor189
Outdoor Unit192
- Removal of Panels and Fan Motor192
- Removal of Electrical Box199
- Removal of Reactor and Partition Plate201
- Removal of Sound Blanket203
- Removal of Four Way Valve205
- Removal of Compressor207
- Removal of PCB209
Part 8 Others212
Others213
- Test Run from the Remote Controller213
- Jumper Settings214
Part 9 Appendix216
Piping Diagrams217
- Indoor Units217
- Outdoor Units218
Wiring Diagrams220
- Indoor Units220
- Outdoor Units220
Index222
Drawings & Flow Charts226

Daikin FTKS25D3VMW(L) - Page 208

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