Igbt Gate Drive Card; Inrush Card - Danfoss VLT FC 100 Service Manual

Disassembly and Assembly In...
3. Remove the one standoff (0.3 in [8 mm]) from the
corner of the card.
4. Remove three nuts (0.3 in [8 mm]).
5. Remove one screw (T20).
NOTICE!
The screw and one of the nuts also hold in place the (+)
DC and (-) DC wire harness.
Reinstall in reverse order of` this procedure and tighten
hardware according to chapter 1.7 General Torque
Tightening Values.
NOTICE!
Note the wire cable connections on the (+) UDC and (-)
UDC terminals.
7 7

7.4.14 IGBT Gate Drive Card

1
13
12
11
10
9
8
7
Figure 7.17 IGBT Gate Drive Card
1 MK1802
2

Inrush card

3 T20 screw
4 T20 screw
5 Gate drive card
6 MK701
7 MK100
Table 7.17 Legend to Figure 7.17
108
Service Manual
2
3
4
5
6
8 MK501
9 MK601
10 MK102
11 MK101
12 T20 screw
13 MK1800
Danfoss A/S © Rev. 2014-02-10 All rights reserved.
1. Remove the AC input bus bars or RFI option (not
shown) in accordance with the procedure.
2. (Brake option only) Unplug MK201.
3. Unplug connections:
•
MK100
•
MK501
•
MK601
•
MK701
•
MK102
4. Remove six screws (T20 thread-forming).
Reinstall in reverse order of this procedure and tighten
hardware according to chapter 1.7 General Torque
Tightening Values.
7.4.15 Inrush Card
1. Remove the power card mounting plate in
accordance with chapter 7.4.3 Power Card
Mounting Plate.
2. Unplug MK1802.
3. Remove two screws (T20 thread-forming).
4. Remove three screws (T20).
Reinstall in reverse order of this procedure and tighten
hardware according to chapter 1.7 General Torque
Tightening Values.
MG94A222