8.3 Switch box main components
The image shown here is indicative only. If there is inconsistency between the image and the actual product, the actual product shall govern.
8.3.1 Switch box main components (1-phase 4\6\8kW)
1-phase 4~8kW
PCB A
11
10
9
8
7
6
5
1
To main board (CN101,CN105)
2
Compressor connection port U V W (U,V,W)
3
Input port N for IPM module(N)
4
Input port P for IPM module(P)
5
Input port for PFC inductance P1(P1)
6
Input port for bridge Rectifiers(P5)
7
Input port for Bridge Rectifiers(P6)
8
Output port P of PFC(P2)
9
Input port for PFC inductance 3(P3)
10 Output port N of PFC(P4)
11 +18V(P9)
9
1
4
2
3
V.2