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5
14 12 13 2
1
3
15
1198710
6
1
Input of neutral
wire of power
4
Interface 1 of
electric reactor
7
Neutral wire of electric
heater of chassis
10
Live wire of 4-way
valve
13 Temp sensor
2
Input of live
wire of power
5
Interface 2 of
electric reactor
8
Neutral wire of electric
heater of compressor
11
Live wire of electric
heater
14
U,V,W three phases
of compressor
3
Communication
interface
6 Interface of fan 9
Neutral wire of 4-way
valve
12 Input of overload 15
Input of ground wire
of power