Danfoss VLT FC Series Service Guide

10.2.5 AC Input Busbars
To remove the AC input busbars, use the following steps.
The AC input busbars can look dierent when the drive
includes extra input options, such as RFI lter or fuses.
Illustration 10.4 shows the AC input busbars with both RFI
lter and AC fuses, and Illustration 10.5 shows the AC input
busbars with no options.
130BF255.10
1
2
3
4
5
7
8
9
10
6
1 AC input busbar 6 Power terminal mounting plate
2 RFI lter (optional) 7 Nut
3 AC fuse (optional) 8 EMC shield
4 R/S/T terminal label 9 Motor terminal
5 Mains input terminal 10 Mixing fan
Illustration 10.4 AC Input Busbars with RFI Filter and Fuses
1. Remove the air bae by removing 4 screws (T25)
and 2 nuts (13 mm).
2. The next step diers based on the input options
present in the drive. Select the appropriate
procedure for the drive:
2a No options.
2b AC fuses only.
2c RFI lter only.
2d AC fuses and RFI lter.
10.2.5.1 No Options
1. Remove 3 nuts (10 mm) at the top of the AC
input busbars, 1 per phase.
2. Remove 6 nuts (13 mm) at the bottom of the AC
input busbars, 2 per phase.
3. Remove the busbars from the drive.
Reinstall in reverse order of this procedure. Tighten
hardware according to chapter 14.1 Fastener Torque Ratings.
10.2.5.2 AC Fuses Only
1. Remove AC fuses by removing 6 nuts (13 mm), 1
at each end of 3 fuses.
2. Remove 3 nuts (10 mm) at the top of the AC
input busbars, 1 per phase.
3. Remove the AC input busbars.
Reinstall in reverse order of this procedure. Tighten
hardware according to chapter 14.1 Fastener Torque Ratings.
10.2.5.3 RFI Filter Only
1. Remove 3 nuts (10 mm) at the top of the RFI
lter, 1 per bus phase.
2. Remove 6 nuts (13 mm) at the bottom of the RFI
lter, 2 per phase.
3. Remove 4 screws (T20) connecting the RFI lter
to the side channels of the drive.
4. Remove the RFI lter and unplug the RFI cable
from MK100 on the printed circuit card assembly.
Reinstall in reverse order of this procedure. Tighten
hardware according to chapter 14.1 Fastener Torque Ratings.
10.2.5.4 AC Fuses and RFI Filter
1. Remove AC fuses by removing 6 nuts (13 mm), 1
at each end of 3 fuses.
2. Remove 3 nuts (10 mm) from the top of the RFI
lter, 1 per phase.
3. Remove 4 screws (T20) connecting the RFI lter
to the side channels of the drive.
4. Remove the RFI lter and unplug the RFI cable
from MK100 on the printed circuit card assembly.
Reinstall in reverse order of this procedure. Tighten
hardware according to chapter 14.1 Fastener Torque Ratings.
D1h/D3h/D5h/D6h/J8 Drive Di...
VLT
®
FC Series, D1h–D8h, Da2/Db2/Da4/Db4, E1h–E4h, J8/J9
136 Danfoss A/S © 02/2019 All rights reserved. MG94A502
1010

Danfoss VLT FC Series Specifications

General

Category	DC Drives
Series	VLT FC Series
Output Voltage	0-100% of input voltage
Protection Features	Overvoltage, Undervoltage, Overcurrent, Short circuit, Overtemperature, Motor overload
Communication Interfaces	CANopen, PROFIBUS, Ethernet
Cooling Method	liquid-cooled
Enclosure Rating	IP20, IP21, IP55
Ambient Temperature	-10°C to +40°C (14°F to 104°F) without derating