Connector Wiring Diagram
11
Domestic Air Conditioner
4.2 outdoor unit
Connectors
PCB(1) (Control PCB)
1) CN1,CN2 Connector for power N and L
2) CN3
CN8 Connector for ground
3) CN23 Connector for DC POWER 15Vand 5V to the module board
4) CN9,CN10 Connector for CN9,CN8 on the module board
5) CN22 Connector for fan motor
6) CN11 Connector for four way valve coil
7) CN17,CN18,CN19,CN20,CN21
CN47 Connector for thermistors
8) CN24 Connector for communicate between the control board and the module board
9) CN28,CN25 Connector to P and N of the module board
10) CN14 Connector for communicate between indoor and outdoor unit
11) CN15
CN16 Connector for electric expansion valves
PCB(2) (module PCB)
CN11 Connector for the DC power 5V and 15V form the control PCB
CN10 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
AC_L(CN1),AC_N(CN2) Connector for control board
CN5
CN6 CN7 Connector for the U, V, W wire of the
compressor
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
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