Outdoor Unit - Haier HSU-18HEA03/R2(DB)-I Service Manual

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 block
4) CN9,CN10 Connector for CN2,CN1 on the module board
5) CN11 Connector for four way valve coil
6) CN12 Connector for fan motor
7) CN15 Connector for electric expansion valves
8) CN17,CN18,CN19, CN21 Connector for thermistors
9) CN23 Connector for DC POWER 15Vand 5V to the module board
10) CN24 Connector for communicate between the control board and the module board
11) CN28,CN25 Connector to P and N of the module board
12) CN36 Connector for communicate between indoor and outdoor unit
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 CN2
LI (CN3),LO(CN4) Connector for reactor
AC_L(CN1),AC_N(CN2) Connector for CN
CN5(U), CN6(V), CN7(W) connector for the compressor
Note: Other Designations
PCB(1) (Control PCB)
1) FUSE 1, Fuse (25A,250VAC)
3) RV1,RV2,RV3 Varistor
HSU-18HEA03/R2(DB)-I
on the control board
,CN on the control board
9
Connector Wring Diagram
Alarm
Domestic Air Conditioner