Haier HSM18HEKC03/R2 Service Manual page 13

HSM18HEKC/HRAC03/R2(DB) HUM18HC03/R2(DB) -SM
4.2: outdoor unit
Connectors
PCB(1) (Control PCB)
1) CN1,CN2 Connector for power N and L
2) CN3 Connector for ground
3) CN6 CN7 Connector for terminal to indoor unit
4) CN25 Connector for DC POWER 15Vand 5V to the module board
5) CN9,CN10 Connector for CN2,CN1 on the module board
6) CN12 Connector for AC fan motor
7) CN11 Connector for four way valve coil
8) CN17,CN18,CN19, CN47 Connector for thermistors
9) CN24 Connector for communicate between the control board and the module board
10) CN25 CN28 Connector to P and N of the module board
11) CN36 Connector for communicate between indoor and outdoor unit
12) CN15 Connector for electric expansion valves
13) CN45 Connector for terminal socket protect
14) CN22 Connector for DC fan motor
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 CN7 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
Connector Wring Diagram
Domestic Air Conditioner