Connector Wiring diagrams
Domestic air conditioner
6. Printed Circuit Board Connector Wiring Diagram
Connectors
PCB(1) (Control PCB)
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1 CN9
Connector for fan motor
2 CN6
Connector for heat exchanger thermistor and Room temperature thermistor
3
CN5
Connector for UP&DOWN STEP motor
4 CN21
Connector for power N wire
5 CN52
Connector for power L
6 CN27
7 CN7
8 CN23 Connector for communicate between the indoor board and the outdoor board
9 CN34
Connector for power GRN
Connector for display board
Note: Other designations
PCB(1) (Indoor Control PCB)
1) CN14 Connector for Forced operation ON / OFF switch
2) SW2 1 Select remote code A or B,2 Select room card able or disable , 3-4 Select 23,26,33,or 35
3) RV1 Varistor
4) FUSE1 Fuse 3.15A/250VAC
Connector for long-range control
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