Haier 1U12BS3ERA Service Manual page 14

PCB (2) Module PCB
series PCB connector
1 P (CN1)
2 N (CN5)
3 LO (CN6)
4 LI (CN7)
5 CN2
6 CN3
7 CN4
8 CN10
9 CN11
Notes: 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
Connector for capacitance board
Connector for reactor
Connector for the U, V, W wire of the compressor
Connector for the DC power 5V and 15V form the control PCB
Connector for communicate between the control board and the module
board
Connect with load
12
Wiring diagrams
Domestic air conditioner