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