110 PB
COMPONENTS TESTING
24-36k Outdoor Unit Drive Board
12
34
5
6
7
8
9
1
1
1
0
NO. NO.Description Description
1 7 IPM Module AC Power Input
2
8 EE
12V&5V Power
3 9 IGBT MCU Component
4 Diodes 10
5
Communication with Upper System
11 Rectifier Bridge CPU code
6 Drive Board Code
1
3
5
2
4
7
6
NO. NO.Description Description
1 5 DC FAN motor AC Power LIN
2 6 DC -FAN -SI Reactor -L1
3 IPM-SI 7 Reactor L2
4 AC Power NIN
36K
Drive board
Drive Board
Figure 609