Danfoss VLT Series Design Manual page 96

5. How to Install
3.
The line supply connection is fitted to the line supply switch, if one is included.
5
5.1: How to connect to the line supply and
grounding (A2 and A3 enclosure).
5.3: How to connect to the line supply and
grounding (B1 and B2 enclosure).
96
Connect line power wires to the line plug connector.
The ground connection cable cross-section must be at least 0.016 in.
have 2 rated line supply wires terminated separately according to EN 50178.
NOTE
Make sure that the line voltage corresponds to the line voltage of the adjustable
frequency drive nameplate.
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.
MG.11.B4.22 - VLT
5.2: How to connect to the line supply and
grounding (A5 enclosure).
5.4: How to connect to the line supply and
grounding (C1 and C2 enclosure).
® is a registered Danfoss trademark.
VLT ® HVAC Drive Design Guide
2 2
[10 mm ] or