It Line - Danfoss VLT HVAC Drive Instruction Manual

1. Safety
1
Illustration 1.1: This certificate also covers FC 102 and FC 202!

1.1.11. IT Line

Par. 14-50
If this is done, it will reduce the RFI performance to A2 level.
8
IT Line
Do not connect 400 V adjustable frequency drives with RFI filters to line supplies
with a voltage between phase and ground of more than 440 V.
For IT lines and delta ground (grounded leg), line voltage may exceed 440 V be-
tween phase and ground.
RFI 1 can be used to disconnect the internal RFI capacitors from the RFI filter to ground.
MG.11.A4.22 - VLT
VLT
130BA491
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