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9.3.2 1-phase for 4-16kW units
1)
PCB A, 4-10kW, Inverter module
Code
Assembly unit
1
Compressor connection port U
2
Compressor connection port V
3
Compressor connection port W
4
Output port for +12V/9V(CN20)
5
Port for fan(CN19)
6
Reserved(CN302)
7
Port for communication with PCB B(CN32)
8
Input port N for rectifier bridge (CN502)
9
Input port L for rectifier bridge (CN501)
8
9
6
4
5
7
1
2
3
CN20
Remarks: for 4-6kw, two capacitors
2)
PCB A,12-16kW, Inverter module
Code
Assembly unit
1
Compressor connection port U
2
Compressor connection port V
3
Compressor connection port W
4
Port for fan (CN19)
5
Output port for +12V/9V (CN20)
6
Port for communication with PCB B (CN32)
7
Port for high pressure switch (CN23)
8
Reserved (CN6)
9
Input port L for rectifier bridge (CN501)
10
Input port N for rectifier bridge (CN502)
1
2
3
CN20
CN19
CN32
CN502
CN23
CN6
CN501
4
8
5
6
7
9
10
2) PCB B, Main control board of heat pump system
Содержание 20191845
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