Printed circuit board connector wiring diagram
11
Domestic air conditioner
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
compressor
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
Bottom
heater
4-way valve
E-valve
Sensor
DC fan motor
PFC Reactor
Compressor
L N PE
S
