Danfoss VLT HVAC Drive FC 100 Service Manual page 179

8 E-Frame Sizes Disassembly and Assembly
Instructions
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Figure 8.16: IGBT Modules (3 of 4)
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2
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Remove the 6 retaining screws (T30) connecting each IGBT module output to the IGBT
output bus bars.
Remove the retaining nut (17 mm) connecting the IGBT output bus bar to IGBT overfan
bus bar. Note that there is one for each of three phases.
Remove the retaining nut (17 mm) or T50 Torx screw, depending on the unit type, con-
necting to IGBT overfan bus bar to current sensor bus bar.
Remove the 3 retaining nuts (17 mm) at top and one retaining nut (8 mm) at bottom
attaching IGBT output bus bar to standoffs. Remove the IGBT output bus bar.
Retaining screw (Step 11)
Retaining nut (Step 14)
Output bus bar
Retaining nut (Step 14)
MG.90.L1.22 - VLT
High Power Service Manual for VLT
5 Retaining nut (Step 12)
6 Overfan bus bar
7 Retaining nut (Step 13)
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FC Series
Adjustable Frequency Drives