5.
Remove the six retaining screws (T25) from the SCR/diode modules, terminals 2 and 3
in each module.
6.
Remove the 4 (10 mm) retaining nuts from the DC inductor input bus bars and the 4
retaining nuts (not shown) from the side mounted bus bars. (Side mounted bus bars are
only present on units with load sharing.) Remove the DC input bus assembly.
130BX93.10
1
2
3
4
5
Figure 7.17: D1/D3 SCR/Diode Module (2 of 3)
1
Bus bar BB4
2
Retaining nuts (Step 6)
3
DC input bus assembly BB3 (Step 6)
4
Retaining screws (Step 5)
5
SCR/diode module
High Power Service Manual for VLT
®
FC Series
Adjustable Frequency Drives
7 D-Frame Sizes Disassembly and Assembly
Instructions
MG.90.L1.22 - VLT
®
is a registered Danfoss trademark
7-19
7
Summary of Contents for VLT HVAC FC 100
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