Haier HSU-18,22HVA103/R2(DB) Service Manual page 14

4.2 ：outdoor unit
4.2.1 HSU-18HVA103/R2（DB）unit
Connectors
PCB(1) (Control PCB)
1) CN1,CN2 Connector for power N and L
2) CN4 Connector for ground
3) CN8 Connector for DC POWER 15Vand 5V to the module board
4) CN7 Connector for capacitance board
5) CN9 Connector for fan motor
6) CN20 Connector for four way valve coil
7) CN10,CN11,CN13Connector for thermistors
(CN11: outdoor air,CN10: heat exchanger, CN13 :discharge pipe)
8)CN14 Connector for communicate between the control board and the module board
9) CN23 ,CN24 Connector for the capacitance of fan motor
10)CN3 Connector for communicate between the indoor board and the outdoor board
PCB(2) (module PCB)
CN10 Connector for the DC power 5V and 15V form the control PCB
CN11 Connector for communicate between the control and the module board
CN1,CN2 Connector for power L and N
LI (CN3),LO(CN4) Connector for reactor
P( CN8), N(CN9) Connector for capacitance board
CN5，CN6，CN7 Connector for the U, V, W wire of the compressor
Note: Other Designations
PCB(1) (Control PCB)
1) FUSE 1, Fuse (25A,250VAC)
2)LED 1 keep light representative normal ,if keep flash interval representative trouble Alarm
3)ZE 1,ZE2,ZE3,ZE4,ZE5 Varistor
VA1 R2(DB)
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