Danfoss VLT Midi Drive FC 280 Instruction Manual page 13

Electrical Installation
FC 1 FC 2
PE
FC 1 FC 2
PE
Figure 4.1 Grounding Principle
For EMC-compliant installation
•
Establish electrical contact between the cable
shield and the adjustable frequency drive
enclosure by using metal cable connectors or by
using the clamps provided on the equipment (see
chapter 4.6 Motor Connection).
•
Use high-strand wire to reduce electrical
interference.
•
Do not use pigtails.
NOTICE!
POTENTIAL EQUALIZATION
Risk of electrical interference, when the ground potential
between the adjustable frequency drive and the control
system is different. Install equalizing cables between the
system components. Recommended cable cross-section:
2
16 mm (5 AWG).
MG07A122
Instruction Manual
FC 3
FC 3
Danfoss A/S © 11/2015 All rights reserved.
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