Printed Circuit Board Connector Wiring Diagram - Haier 1U24SE3ERA Service Manual

6. Printed Circuit Board Connector Wiring Diagram

Connectors
PCB (1) (Outdoor Control PCB)
Series
connector
1
2
3
4
5
6
7
8
9 CN17 ,CN18
CN19 ,
10
11
12
13
14
1 5
17
CN6,CN7
Note: Other Designations
PCB(1) (Control PCB)
1) FUSE 1, (25A,250VAC) FUSE 2(1A,250VAC)
2)LED 1 keep light representative normal ,if keep flash interval representative trouble Alarm
3)RV1,RV2,RV3 Varistor
PCB(2) (module PCB)
1)CN10 Connector for the DC power 5V and 15V form the control PCB
2)CN11 Connector for communicate between the control board and the module board
3)P( CN8), N(CN9) Connector for capacitance board
4)LI (CN3),LO(CN4) Connector for reactor
5)CN5 CN6 CN7 Connector for the U, V, W wire of the compressor
PCB
Connect with load
CN1
Connector for power N and L
CN2
CN3 Connector for ground
CN23 Connector for DC POWER 15V and 5V to the module board
CN9
Connector for CN2, CN1 on the module board
CN10
CN22 Connector for fan motor
CN11 Connector for four way valve coil
Connector for CN19 thermistors
CN47
Connector for communicate between the control board and the
CN24
module board
CN28
Connector to P and N of the module board
CN25
Connector for electric expansion valves
CN16
Connector for communicate and power N between indoor
CX2
and outdoor unit
Connector for power N and L between indoor and outdoor unit
13
Wiring diagrams
Domestic air conditioner