Daikin E Series

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Printed Circuit Board Connector Wiring Diagram SiAU18-715

58 Printed Circuit Board Connector Wiring Diagram

PCB Detail PCB(1): Control PCB (A1P) (indoor unit)

X25A

X18A

X61A

X36A

X17A

X15A

HAP

(Service

monitor LED)

Capacity

setting

adaptor

X5AX35AX24A

X60A

X19A

X11A

X33A

X10A

X27A

X20A

2P095006

Main Page

Table of Contents4
Introduction9
- Safety Cautions9
- Used Icons13
Part 1 List of Functions14
List of Functions15
- Cooling Only15
- Heat Pump20
Part 2 Specifications26
- Cooling Only27
- Heat Pump36
Part 3 Printed Circuit Board Connector Wiring Diagram48
Printed Circuit Board Connector Wiring Diagram49
- Outdoor Unit49
- BP Unit54
- Wall Mounted Type 20/25/35 Class55
- Wall Mounted Type 50/60/71 Class57
- Duct Connected Type59
- Floor / Ceiling Suspended Dual Type61
- Floor Standing Type64
- Ceiling Mounted Cassette 600×600 Type67
- Ceiling Mounted Cassette Type (950×950)70
- 1.10 Ceiling Mounted Built-In Type73
- 1.11 Ceiling Suspended Type75
Part 4 Refrigerant Circuit78
Refrigerant Circuit79
- Outdoor Units79
- Refrigerant Circuit Part79
- BP Units81
Functional Parts Layout82
- Outdoor Units82
Refrigerant Flow for each Operation Mode83
- Cooling Operation83
- Heating Operation84
- Cooling Oil Return Operation85
- Heating Oil Return Operation & Defrost Operation86
Part 5 Function88
Operation Mode89
Basic Control90
- Normal Operation90
- Compressor PI Control91
- Electronic Expansion Valve PI Control94
- Cooling Operation Fan Control95
Special Control96
- Startup Control96
- Siau1896
- Oil Return Operation97
- Defrosting Operation99
- Pump-Down Residual Operation100
- Restart Standby100
- Stopping Operation101
Protection Control102
- High Pressure Protection Control102
- Low Pressure Protection Control103
- Discharge Pipe Protection Control104
- Inverter Protection Control105
- Freeze-Up Protection Control106
- Dew Condensation Prevention Control107
Other Control108
- Demand Operation108
- Heating Operation Prohibition108
BP Unit Control109
- BP Unit Command Conversion109
- BP Unit Electronic Expansion Valve Control110
- SH Control in Cooling Operation112
- SC Control in Heating Operation113
- Heat Exchanger Isothermal Control in Heating Operation113
Indoor Unit (RA Models)114
- Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-Swing114
- Fan Speed Control for Indoor Units115
- Programme Dry Function116
- Automatic Operation117
- Thermostat Control118
- Night Set Mode119
- ECONO Mode120
- MOLD PROOF Operation120
- INTELLIGENT EYE (Wall Mounted Type Only)121
- HOME LEAVE Operation123
- Inverter POWERFUL Operation124
- 7.12 Other Functions125
Indoor Unit (Skyair Models)127
- Function Outline127
- Electric Function Parts128
- Function Details129
Part 6 Test Operation140
Test Operation141
- Procedure and Outline141
Outdoor Unit PCB Layout146
Field Setting147
- Field Setting from Outdoor Unit147
- Detail of Setting Mode156
Field Setting for Skyair Indoor Unit165
- Explanation165
- Field Setting166
- Initial Setting Contents167
- Local Setting Mode Number168
- Detailed Explanation of Setting Modes169
- Centralized Group No. Setting173
- Maintenance Mode Setting174
Test Operation and Field Setting for RA Indoor Unit175
- Test Operation from the Remote Controller175
- Jumper Settings176
Part 7 Operation Manual178
System Configuration179
- Operation Instructions179
Instruction180
- RMK(X)S Series180
- Wall Mounted, Duct, Floor/Ceiling Type181
- FVXS Series237
- Ceiling Mounted Cassette Type267
- Ceiling Mounted Built-In Type289
- Safety Considerations290
- Ceiling Suspended Type299
Part 8 Troubleshooting312
Siau18313
Caution for Diagnosis314
- Troubleshooting with the Operation Lamp (RA Indoor Unit)314
- Troubleshooting with the LED on the Skyair Indoor Unit315
- Troubleshooting with the LED on the Outdoor Unit316
- Troubleshooting with the LED on the BP Unit317
Service Check Function318
- RA Indoor Unit Wireless Remote Controller318
- Skyair Indoor Unit INSPECTION/TEST Button323
- Skyair Indoor Unit Wired Remote Controller324
- Skyair Indoor Unit Wireless Remote Controller325
- Sky Air Indoor Unit Error Codes and LED Indication327
- Malfunction Code Indication by Outdoor Unit PCB328
List of Malfunction Code332
Troubleshooting for RA Indoor Unit334
- Indoor Unit PCB Abnormality334
- Freeze-Up Protection Control or High Pressure Control335
- Fan Motor or Related Abnormality337
- Thermistor or Related Abnormality (Indoor Unit)340
- Check341
  - Thermistor Resistance Check342
  - Hall IC Check343
Troubleshooting for Skyair Indoor Unit344
- Indoor Unit PCB Abnormality344
- Malfunction of Drain Water Level System (Float Type)345
- Malfunction of Drain System347
- Indoor Unit Fan Motor Lock348
- Malfunction of Indoor Unit Fan Motor349
- Swing Flap Motor Malfunction / Lock351
- Malfunction of Capacity Setting353
- Malfunction of Heat Exchanger Thermistor (R2T)354
- Malfunction of Heat Exchanger Thermistor (R3T)355
- Malfunction of Suction Air Thermistor356
- Siau18356
- Malfunction of Remote Controller Thermistor357
- Transmission Error (between Indoor Unit and Remote Controller)358
- Transmission Error (between Main and Sub Remote Controller)359
- Malfunction of Field Setting Switch360
- 5.15 Check361
Troubleshooting for BP Unit363
- Malfunction of Electronic Expansion Valve363
- Faulty BP Unit PCB364
- Faulty BP Liquid or Gas Pipe Thermistor365
- Transmission Error between Indoor Unit and BP Unit366
- Transmission Error between Outdoor Unit and BP Unit368
- Check369
Troubleshooting for Outdoor Unit370
- Faulty Outdoor Unit PCB370
- Actuation of High Pressure Switch371
- Actuation of Low Pressure Sensor373
- Compressor Motor Lock375
- Malfunction of Outdoor Unit Fan Motor376
- Malfunction of Moving Part of Electronic Expansion Valve (Y1E, Y3E)377
- Abnormal Discharge Pipe Temperature379
- Refrigerant Overcharged380
- Malfunction of Thermistor for Outdoor Air (R1T)381
- Malfunction of Discharge Pipe Thermistor (R2T)382
- Malfunction of Thermistor (R3T, R5T) for Suction Pipe1, 2383
- Malfunction of Thermistor (R4T) for Outdoor Unit Heat Exchanger384
- Malfunction of Thermistor (R7T) for Outdoor Unit Liquid Pipe385
- Malfunction of Subcooling Heat Exchanger Thermistor (R6T)386
- Malfunction of High Pressure Sensor387
- Malfunction of Low Pressure Sensor388
- Malfunction of PCB389
- Malfunction of Inverter Radiating Fin Temperature Rise390
- Inverter Compressor Abnormal391
- Inverter Current Abnormal392
- Inverter Start up Error393
- Malfunction of Transmission between Inverter and Control PCB394
- High Voltage of Capacitor in Main Inverter Circuit395
- Malfunction of Inverter Radiating Fin Temperature Rise Sensor396
- Faulty Combination of Inverter and Fan Driver397
- Low Pressure Drop Due to Refrigerant Shortage or Electronic Expansion Valve Failure398
- Power Supply Insufficient or Instantaneous Failure400
- Check Operation Not Executed402
- Malfunction of Transmission between Indoor Units and Outdoor Units403
- Malfunction of Transmission between Remote Controller and Indoor Unit405
- Malfunction of Transmission between Main and Sub Remote Controllers406
- Malfunction of Transmission between Indoor and Outdoor Units in the same System407
- Siau18408
- Excessive Number of Indoor Units409
- Address Duplication of Central Remote Controller410
- Malfunction of Transmission between Central Remote Controller and Indoor Unit411
- System Is Not Set yet413
- Malfunction of System, Refrigerant System Address Undefined414
Check415
Thermistor Resistance / Temperature Characteristics418
10.Pressure Sensor420
Method of Replacing the Inverter's Power Transistors Modules421
Part 9 Appendix424
Piping Diagrams425
- Outdoor Units425
- BP Units426
- Indoor Units427
Wiring Diagrams433
- Outdoor Units433
- BP Units435
- Indoor Units436
Index444

Daikin E Series - Page 71

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