Danfoss VLT FC 100 Service Manual

4. Remove the RFI filter and unplug the RFI cable
from MK100 on the printed circuit board
assembly.
Reinstall in reverse order of this procedure and tighten
hardware according to chapter 1.7 General Torque
Tightening Values.
7.3.5.3 Fuses and RFI
1. Remove electrical fuses by removing six nuts (0.5
in [13 mm]), one at each end of each fuse.
2. Remove three nuts (0.4 in [10 mm]) at the top of
the RFI filter, one per phase.
3. Remove four mounting screws (T20 thread-
cutting) connecting the RFI filter to the side
channels of the adjustable frequency drive.
4. Remove the RFI filter and unplug the RFI cable
from MK100 on the printed circuit board
assembly.
Reinstall in reverse order of this procedure and tighten
hardware according to chapter 1.7 General Torque
Tightening Values.
7.3.5.4
No Options
1. Remove three nuts (0.4 in [10 mm]) at the top of
the bus bars, one per phase.
2. Remove six nuts (0.5 in [13 mm]) at the bottom
of the bus bars, two per phase.
3. Remove the bus bars.
Reinstall in reverse order of this procedure and tighten
hardware according to chapter 1.7 General Torque
Tightening Values.
7.3.6
Line Power Input Terminal Block
See Figure 7.4
1. Disconnect the customer input power wiring.
2.
Remove input terminals chapter 7.3.5 AC Input Bus
Bars.
3. Remove the two screws (T25) at the bottom of
the terminal block.
4. Remove the terminal by sliding it down to
disengage it from the metal clips holding it in
place.
Reinstall in reverse order of this procedure and tighten
hardware according to chapter 1.7 General Torque
Tightening Values.
2
3
4
5
6
7
8
9
10
11
130BX464.11
1
12
13
Figure 7.4 Power Terminals
1
Input terminal mounting
block
8 T20 screw
2 U output bus bar bolt (not
shown)
9 T25 screw
3 Output bus bar support
screw (T25)
10 Molex connector
4 Terminal screw 11 Mixing fan
5 Motor terminal mounting
block
12 Output terminal block
retaining screws (T25)
6 Current sensor 13 Input terminal block
retaining screws (T25)
7 Power terminal mounting
plate
Table 7.4 Legend to Figure 7.4
Disassembly and Assembly In...
Service Manual
94 Danfoss A/S © Rev. 2014-02-10 All rights reserved. MG94A222
77

Danfoss VLT FC 100 Specifications

General

Brand	Danfoss
Model	VLT FC 100
Category	DC Drives
Language	English