29
2) PCB B, Main control board
9
8
6
4
5
7
1
2
3
1
2
3
4
5
Assembly unit
Assembly unit
Coding
Coding
6
7
8
9
/
/
Port for fan(CN19)
Output port for +12V/5V(CN20)
Compressor connection port U
Compressor connection port V
Compressor connection port W
Reserved(CN302)
Port for communication with PCB B(CN32)
Input port L for rectifier bridge(CN501)
Input port N for rectifier bridge(CN502)
9.3.2 1-phase for 5/7/9kW units
1) PCB A
，
Inverter module
1
3
2
16
7
6
5
4
8
9
10
11
12
13
14
15
17
18
19
20
21
22
23
26
25 24
27
28
V.1
Summary of Contents for ETH50VMR
Page 89: ...86 NOTE V 1 ...
Page 179: ...86 NOTE V 1 ...
