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1 Interface 1 of reactor 6 Neutral wire of 4-way valve 11 Communication interface
2 Interface of fan 7
Live wire of electric heating
belt
12 Temperature sensor
3
Interface of live wire for 4-way
valve
8 Earthing wire input of power 13 Overload input
4
Neutral wire for electric heating
of chassis
9 Neutral wire input of power 14
U, V, W three-phase of
compressor
5
Neutral wire for electric heating
of compressor
10 Live wire input of power 15 Interface 2 of reactor