Daikin FTKS20CVMB(9) - Page 190

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SiENBE04-512A Outdoor Unit / ARK(X)S-C

Removal Procedure 181

7

Feature of the PCB

S70: fan motor

S80: four way valve

S90: thermistor

(outdoor air, heat

exchanger,

discharge pipe)

Step

Procedure Points

PbF (Pb free soldering)

Glass fuse

3.15A

Glass fuse LEDA

V3

Varistor

S90

S70

S80

(R3292)

SiENBE04-512A.book Page 181 Friday, October 5, 2007 1:49 PM

Table of Contents

Wall Mounted Type1
Table of Contents3
Introduction6
- Safety Cautions6
Part 1 List of Functions10
- List of Functions Part10
List of Functions11
- High Grade Models11
- Standard Grade Models13
- Non-Lnverter Models16
Part 2 Specifications18
Specifications19
- Cooling Only19
- Heat Pump25
Part 3 Printed Circuit Board Connector Wiring Diagram38
Printed Circuit Board Connector Wiring Diagram39
- Indoor Unit39
- Outdoor Unit / ARK(X)S-C41
- Outdoor Unit / RK(X)H-C, ARK(X)H-C, R(Y)N-C43
Part 4 Function and Control44
Main Functions45
- Frequency Principle45
- Power-Airflow Dual Flaps, Wide-Angle Louvres and Auto-Swing47
- Fan Speed Control for Indoor Units48
- Programme Dry Function49
- Automatic Operation50
- NIGHT SET Mode51
- Intelligent Eye52
- HOME LEAVE Operation54
- Inverter POWERFUL Operation55
- Other Functions56
Function of Thermistor57
- Heat Pump Model57
- Cooling Only Model58
Control Specification59
- Mode Hierarchy59
- Frequency Control60
- Controls at Mode Changing / Start-Up62
- Discharge Pipe Control63
- Input Current Control64
- Freeze-Up Protection Control64
- Heating Peak-Cut Control65
- Fan Control65
- Liquid Compression Protection Function 265
- Defrost Control66
- Electronic Expansion Valve Control67
- Target Discharge Pipe Temperature Control69
- Malfunctions70
- Forced Operation Mode71
- Additional Function71
- Facility Setting Jumper (Cooling at Low Outdoor Temperature)72
Part 5 System Configuration74
System Configuration75
Instruction76
- Safety Precautions76
  - Installation Site77
  - Electrical Work77
- Names of Parts78
- Outdoor Unit79
- Remote Control80
- Preparation before Operation81
- To Set the Clock83
- Auto Dry Cool Heat Fan Operation84
- To Change the Air Flow Rate Setting85
- Adjusting the Air Flow Direction86
- POWERFUL Operation88
- OUTDOOR UNIT SILENT Operation89
- HOME LEAVE Operation90
- INTELLIGENT EYE Operation92
- TIMER Operation94
  - To Use on Timer Operation95
  - To Combine on Timer and off Timer95
- Care and Cleaning96
  - Air Filter97
  - Before a Long Idle Period98
- Troubleshooting99
Part 6 Service Diagnosis104
Caution for Diagnosis105
Problem Symptoms and Measures106
Service Check Function107
Troubleshooting110
- Error Codes and Description110
- Indoor Unit PCB Abnormality111
- Freeze-Up Protection Control or High Pressure Control112
- Fan Motor (AC Motor) or Related Abnormality114
- Thermistor or Related Abnormality (Indoor Unit)115
- Signal Transmission Error (between Indoor and Outdoor Unit)116
- OL Activation (Compressor Overload)117
- Compressor Lock118
- DC Fan Lock119
- Input over Current Detection120
- Four Way Valve Abnormality121
- Discharge Pipe Temperature Control123
- High Pressure Control in Cooling124
- Position Sensor Abnormality126
- DC Voltage / Current Sensor Abnormality127
- Thermistor or Related Abnormality (Outdoor Unit)128
- Electrical Box Temperature Rise130
- Radiation Fin Temperature Rise132
- Output over Current Detection134
- Insufficient Gas136
- Over-Voltage Detection138
Check139
- How to Check139
- Four Way Valve Performance Check140
- Thermistor Resistance Check141
- Installation Condition Check142
- Discharge Pressure Check142
- Outdoor Unit Fan System Check143
- Power Supply Waveforms Check144
- Inverter Units Refrigerant System Check144
- Power Transistor Check145
- Hall IC Check146
Part 7 Removal Procedure148
Indoor Unit149
- Removal of Air Filter149
- Removal of Front Grille152
- Removal of Horizontal Blade and Vertical Blade155
- Removal of Switch Box, PC Board and Swing Motor157
- Removal of Heat Exchanger163
- Install of Drain Plug166
- Removal of Fan Rotor and Fan Motor167
Outdoor Unit / ARK(X)S-C171
- Removal of Panels and Fan Motor171
- Removal of Electrical Box178
- Removal of Reactor and Partition Plate180
- Removal of Sound Blanket182
- Removal of Four Way Valve184
- Removal of Compressor186
- Removal of PCB188
Outdoor Unit / RK(X)H-C, ARK(X)H-C, R(Y)N-C191
- Removal of External Panels191
- Removal of Bell Mouth194
- Removal of PCB195
- Removal of Electrical Box203
- Removal of Propeller Fan and Fan Motor206
- Removal of Compressor Sound Insulation Pad209
- Removal of Compressor218
- Removal of Four Way Valve221
- Removal of Electronic Expansion Valve224
Part 8 Others226
Others227
- Test Run from the Remote Control227
- Jumper Settings228
Part 9 Appendix230
Piping Diagrams231
- Indoor Units231
- Outdoor Units232
Wiring Diagrams238
- Indoor Units238
- Outdoor Units239
Index242
Drawings & Flow Charts246

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