Danfoss VLT series, Service Manual

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6-17
VLT is a registered Danfoss trademark
7. Note which gate leads attach to which module for
reasembly. Remove SCR/Diode gate lead
connectors from modules (not shown).
8. If unit is equipped with brake option, remove two
bus bars attaching brake IGBT module to IGBT
bus assy. Remove SCR/Diode mounting screws.
Mounting screws
(Step 8)
REASSEMBLY
1. To replace SCR/Diode modules, follow instructions
included with replacement module.
2. Reinstall module and mounting screws. Tighten
remaining T25 and 8mm screws to 20 in-lbs
(2.25 Nm) and T30 and 10 mm to 35 in-lbs (4
Nm).
3. Reassemble remaining parts in reverse order of
their removal.
Figure 6-11. D1 SCR/Diode Module (3 of 3)
SCR/Diode module