indoor 2
Valve box power supply and communication wire must be connected with the corresponding
indoor,wiring sequence must be correspondent respectively,L and N must not be connected
reversely,otherwise will cause the unit not work and damaged.
On running, "indoor 1" must be electrified always,or air conditioner does not work normally.
NOTE：
Electronic expansion valve wiring diagram
brown
white
CN1 live wire 1
live wire 2 CN4
CN3 COM1
neutral wire 2
CN5
COM2 CN6
CN15 valve 3
CN2 neutral wire 1
4
CN14 valve 2
CN13 valve 1
4
M
indoor 1
brown
black
white
black
M
EER 1
23
6
5
1
4
M
EEV 2
23
6
5 1
electronic
expansion
valve 3
6
5
CN10
yellow／green
indoor 3
brown
white
black
CN11
CN12
3
1
2
SERIAL
CN7 live wire 3
CN8 neutral wire 3
CN9 COM3
1
2
CN16
FUSE T3.15A/250VAC
control board
MP3 wiring diagram:
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