Danfoss VLT HVAC Drive FC 100 Service Manual page 147

7 D-Frame Sizes Disassembly and Assembly
Instructions
10.
7
Figure 7.14: D2/D4 SCR/Diode Module (3 of 4)
1
2
3
4
7-16
NOTE!
Note which gate leads are attached to which module to ensure that the leads are
reconnected to the correct modules upon reassembly.
Remove the rectifier DC bus bars by removing the 3 screws (T25) connecting each rec-
tifier DC bus bar to standoffs on the SCR/diode modules.
Bus bar BB27
Bus bar BB28
Retaining screws (Step 10)
Rectifier DC bus bars BB23 or BB24 per drive power rating (Step 10)
MG.90.L1.22 - VLT
High Power Service Manual for VLT
® is a registered Danfoss trademark
®
FC Series
Adjustable Frequency Drives