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6. Printed Circuit Board Connector Wiring Diagram
PCB (1) (Indoor control PCB)
Series
PCB connector
1
2
3
4
5
6
7
8
9
10
11
12
13
Note: Other designations
1) SW1 Connector for Emergency operation ON / OFF switch
2) SW2 1 Select remote code A or B,
3) RV1 Varistor
4) FUSE1 Fuse 3.15A/250VAC
Connect with load
CN21
Connector for power N and L
CN52
CN27
Connector for ground
Connector for communication between indoor and outdoor
CN23
unit
CN6
Connector for thermistors
CN9
Connector for fan motor
CN7
Connector for display
CN5
Connector for up-down stepmotor
CN11
Connector for left-right stepmotor
CN2
Connector for wiring-control
CN51
Connector for room card
CN34
Connector for wifi-control
CN1
Reserved connector
2 Select room card able or disable
3,4 Select eeprom code 23 26 33 and 35 ,
13
Connector Wiring diagrams
Domestic air conditioner
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