Danfoss VLT Decentral Drive FCD 302 Operating Manual page 19

VLT® Decentral Drive FCD 302
Operating Guide
• Follow motor manufacturer's wiring requirements.
• Minimum cable cross-section: 10 mm
For EMC-compliant installation
• Establish electrical contact between the cable shield and the drive enclosure by using metal cable glands or by using the clamps
provided on the equipment.
• Use high-strand wire to reduce electrical interference.
• Do not use pigtails.
POTENTIAL EQUALIZATION
Risk of burst transient when the ground potential between the drive and the control system is different. Install equalizing cables
between the system components. Recommended cable cross-section: 16 mm
PE CONNECTION
The metal pins in the corners of the electronic part and the holes on the corner of the installation box are essential for the protec-
tive earth connection. Make sure that they are not loosened, removed, or violated in any way. Tightening torque requirement is
3 Nm (26.6 in-lb).
Illustration 8: PE Connection Between the Installation Box and the Electronic Part
The external grounding terminal is available as an accessory (ordering number 130B5833).
Danfoss A/S © | 2020.07
2
(7 AWG) (or 2 rated ground wires terminated separately).
N O T I C E
C A U T I O N
N O T I C E
2
(6 AWG).
AQ267036816112EN-000101 / 130R0208 | 19
Electrical Installation