6. Printed Circuit Board Connector Wiring Diagram
Connectors
PCB (1) Control PCB
daolhtiwtcennoCrotcennocBCPseires
1 CN1
Connector for power N and L
2 CN2
3 CN3 Connector for ground
4 CN9
Connector for CN2,CN1 on the module board
5 CN10
6 CN11 Connector for four way valve coil
7 CN15
8 CN16
Connector for thermistors
9 CN17
10 CN18
11 CN19
12 CN20
13 CN21
14 CN22
15 CN23
Connector for electric expansion valves
Connector for fan motor
Connector for DC POWER 15Vand 5V to the module board
16 CN24
Connector for communicate between the control board and the module
board
17 CN25
18 CN28
Connector to N and P of the module board
19 CN36
Connector for communicate between indoor and outdoor unit
Wiring diagram
Domestic air conditioner
11
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