NOTICE
APPROVALS AND CERTIFICATIONS
This VLT
®
Parallel Drive Modules bus bar kit is UL 508C
compliant. These installation instructions describe how to
install Danfoss-supplied bus bars which, if followed, meet
specific agency approvals and certifications. Seek agency
approvals or certifications apart from Danfoss if designing
and building other configurations.
Installing DC-link Bus Bars
1.
Install 1 L-bracket inside the top of the enclosure on
each side. Secure each bracket with 3 M5 nuts and
torque to 2.3 N · m (20 in-lb). See
Illustration 1.1
.
1
L-brackets
2
DC fuse with microswitch
Illustration 1.1 Installation of DC Bus Bar L-brackets above the
DC Fuses
2.
Install the 6 stand-offs onto the support plate. Torque
to 2.3 N · m (20 in-lb). Refer to
Illustration 1.2
.
3.
Install the 2 DC-link bus bars onto the support plate
using 3 M5 nuts per bus bar. Torque to 2.3 N · m
(20 in-lb).
1
Support plate
3
DC-link bus bars
2
Stand-offs
4
M5 nut
Illustration 1.2 Installing DC-link Bus Bars onto Support Plate
4.
With the DC-link bus bars facing downward, slide the
support plate onto the L-brackets. Secure the support
plate with 6 M5 screws and torque to 2.3 N · m
(20 in-lb). Refer to
Illustration 1.3
.
5.
Install the DC+ and DC- jumper bus bars between
the DC fuses and the DC bus bars. Refer to
Illustration 1.4
.
1
L-brackets
2
DC-link bus bar assembly (support plate and bus bars)
Illustration 1.3 Installation of DC Bus Bars onto L-brackets
Installation Instructions
Bus Bar Kit for 12-pulse, 2-drive System
VLT
®
Series FC 102, FC 202, and FC 302
2
Danfoss A/S © 04/2016 All rights reserved.
MI92O102
