Power Module - Haier AU282AHBEA Service Manual

Ports on PCB functions for AU142AFBIA~AU182AFBJA
P4
P6
P9
4
P3
P5
P2 CN701
P
N
U
V
W

POWER MODULE

CN105: to CN501 on power module
CN106: to CN502 on power module
CN102:
P101: to P3 on power supply board
P102: to P9 on power supply board
P4, P5: current input terminal of rectifier
P6: neutral lead line of power supply board
CN101: to CN701 on power supply board
CN102:
CN103:
CN104:
CN107: control port of 4-way valve
CN108: control port of 2-way valve
CN109: DC input port
CN112: control port of fan motor
CT: current detector
RL1, RL2, RL3, RL4:
P1: outdoor communication port
CN1:
CN3:
CN4:
CN5: signal input port of low pressure switch
CN6: signal input port of high pressure switch
LED1, LED2, LED3, LED4, LED5:
CN110: signal input port of discharging temp. sensor
CN111: signal input port of ambient temp. sensor, coil temp. sensor
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PCB
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