Danfoss VLT FC 300 Service Manual

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.
7.4.14 IGBT Gate Drive Card
1
2
3
4
5
6
7
9
8
10
11
13
12
130BX454.10
Figure 7.17 IGBT Gate Drive Card
1
MK1802 8 MK501
2 Inrush card 9 MK601
3 T20 screw 10 MK102
4 T20 screw 11 MK101
5 Gate drive card 12 T20 screw
6 MK701 13 MK1800
7 MK100
Table 7.17 Legend to Figure 7.17
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.
Disassembly and Assembly In... Service Manual
108 Danfoss A/S © Rev. 2014-02-10 All rights reserved. MG94A222
77

Danfoss VLT FC 300 Specifications

General

Brand	Danfoss
Model	VLT FC 300
Category	DC Drives
Language	English