Pcb Diagram - Haier 1U71SABFRA Service Manual

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6.PCB Diagram

Connectors
PCB (1) (Outdoor Control PCB)
1) CN1, CN2 Connector for power N and L
2) CN3 Connector for ground
3) CN23 Connector for DC POWER 15Vand 5V to the module board
4) CN9, CN10 Connector for CN2,CN1 on the module board
5) CN22 Connector for fan motor
6) CN11 Connector for four way valve coil
7) CN17, CN47 Connector for thermistors
8) CN24 Connector for communicate between the control board and the module board
9) CN26, CN25 Connector to P and N of the module board
10) CN36 Connector for communicate between indoor and outdoor unit
11) CN15 Connector for electric expansion valves
12) CN50 Connector for DRED-control
13) CN45 Connector for heating- protect wire of terminal block
Other Designations
1) FUSE 1, (25A, 250VAC); FUSE 2(3.15A, 250VAC)
2) LED 1 Keep light representative normal, if keep flash interval representative trouble Alarm
3) RV1, RV2, RV3 Varistor
PCB (2) (Module PCB )
CN10 Connector for the DC power 5V and 15V form the control PCB
CN11 Connector for communicate between the control board and the module board
P (CN8), N (CN9) Connector for capacitance board
LI (CN3), LO (CN4) Connector for reactor
CN5, CN6, CN7Connector for the U, V, W wire of the compressor
11
Wiring diagrams
Domestic air conditioner

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