6. Printed circuit board connector wiring diagram
PCB
(Control PCB)
1
CN1
Connector for power N and L
2
CN2
3
CN3
Connector for ground
4
CN7
Connector for the U, V, W wire of the
5
CN8
6
CN9
7
L-IN (CN5)
Connector for reactor
8
L-OUT (CN6)
9
CN10
Connector for fan motor
10
CN11
Connector for four way valve coil
11
CN15
Connector for Temperature sensor
12
CN12
Connector for HEATER
13
CN4
Connector for communicate between indoor and outdoor unit
14
CN16
Connector for electric expansion valves
CN4
CN12
CN11
CN15
CN16
CN10
CN7/CN8/CN9
Printed circuit board connector wiring diagram
compressor
11
CN1
CN3
CN2
CN5
CN6
Domestic air conditioner