Printed Circuit Board Connector Wiring Diagram - Haier 1U25MECFRA-3 Service Manual

6. Printed circuit board connector wiring diagram

Connectors
PCB (Control PCB) For 1U09MEJFRA/1U12MEJFRA
1) CN1, CN2 Connector for power N and L
2) CN3 Connector for ground
3) CN22 Connector for DC POWER 15V and 5V to the module board
4) CN8, CN9 Connector for CN2,CN1 on the module board
5) CN21 Connector for fan motor
6) CN10 Connector for four way valve coil
7) CN18,CN20
8) CN23 Connector for communicate between the control board and the module board
9) CN25, CN27 Connector to N and P of the module board
10) CN4 Connector for communicate between indoor and outdoor unit
11) CN16 Connector for electric expansion valves
Notes : Other Designations
PCB (Control PCB)
1) FUSE 1, (25A, 250VAC);
2) LED 1 Keep light representative normal, if keep flash interval representative trouble Alarm
3) RV1, RV2, RV3 Varistor
4-way valve
Bottom
heater
DC fan motor
E-valve
Sensor
Compressor
Connector for thermistors
Printed circuit board connector wiring diagram
PFC Reactor
Domestic air conditioner
12
L N S PE
DC fan motor