Haier HSU-09HEG03/R2(DB) Service Manual page 14

4.2: outdoor unit
Connectors
PCB(1) (Control PCB)
1) CN1,CN2 Connector for power N and L
2) CN3 Connector for ground
3) CN22 Connector for DC POWER 15Vand 5V to the module board
4) CN9,CN8 Connector for CN2,CN1 on the module board
5) CN21 Connector for fan motor
6) CN10 Connector for four way valve coil
7) CN17,CN18,CN19, CN20 Connector for thermistors
8)CN23 Connector for communicate between the control board and the module board
9) CN26,CN24 Connector to P and N of the module board
10) CN4 Connector for communicate between indoor and outdoor unit
11) CN16 Connector for electric expansion valves
Note:09K series needn't connect with CN16 and CN18
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( CN1), N(CN5) Connector for capacitance board
LI (CN7),LO(CN6) Connector for reactor
CN2 CN3 CN4 Connector for the U, V, W wire of the
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
compressor
11
Wiring Diagrams
Domestic Air Conditioner