9.3.2 1-phase for 5/7/9kW units
1) PCB A, Inverter module
9
8
Coding
Assembly unit
1
Compressor connection port U
2
Compressor connection port V
3
Compressor connection port W
4
Output port for +12V/5V(CN20)
5
Port for fan(CN19)
2) PCB B, Main control board
1
28
27
26
25
Coding
6
7
8
9
/
2
3
24
23
22
21
119
1
2
3
7
6
Assembly unit
Reserved(CN302)
Port for communication with PCB B(CN32)
Input port L for rectifier bridge(CN501)
Input port N for rectifier bridge(CN502)
/
4
5
6
20
19
18
17
16
4
5
7
8
9
10
11
12
13
14
15