N
P
U
V
CN502
CN501
W
CN102:
CN103:
CN105: to CN501 on power module
CN106: to CN502 on power module
CN107: control port of 4-way valve
CN108:
CN109: DC input port
CN112
:control port of fan motor
RL301:
P301
:bus lead port of PCB
P302
:current lead port of rectifier
P303:current lead port of rectifier
P304:earthing port
P1: outdoor communication port
JMD, JMB
:
JMA, JMC:
CN1:
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 por tof ambient temp. sensor and coil temp. sensor
Ports on PCB functions for AU242AHBIA
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