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6.
7.
When supplied from an isolated mains source (IT mains or floating delta) or TT/TN-S mains with a grounded leg (grounded
delta), ensure that
parameter 14-50 RFI Filter
is set to
[0] Off
to avoid damage to the DC link and to reduce ground capacity
currents.
Tighten the terminals in accordance with the specifications shown in
.
Example
e
3
0
b
u
1
7
2
.1
0
1
2
4
3
Illustration 48: Connection Points for Mains to Input Power Option (Enclosed Drive Configured Without Power Options Cabinet)
1
Lower cover
2
Input power terminals (contactor option is shown)
3
DC terminals
4
Grounding bar
AQ357954340588en-000201 / 130R0881 | 83
Danfoss A/S © 2020.09
Electrical Installation
VLT® Refrigeration Drive FC 103
Operating Guide