Connecting Ac Mains; Connecting The Drive To Mains - Danfoss VLT FC 280 Operating Manual

VLT® Midi Drive FC 280
Operating Guide
3. Connect the ground wire to the nearest grounding terminal in accordance with the grounding instructions, see
Grounding.
Illustration 15: Motor Connection
4.
Connect the 3-phase motor wiring to terminals 96 (U), 97 (V), and 98 (W).
5. Torque-tighten the terminals, see

4.8 Connecting AC Mains

• Size the wiring based on the input current of the drive. For maximum wire sizes, see
• Comply with local and national electrical codes for cable sizes.

4.8.1 Connecting the Drive to Mains

Procedure
1.
Connect the AC input power cables to terminals N and L for single-phase units (see
Grounding Connection).
2. Depending on the configuration of the equipment, connect the input power to the mains input terminals or the input dis-
connect.
3. Ground the cable in accordance with the grounding instructions, see
4.
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 the RFI filter screw is removed. Removing the RFI screw prevents damage to the DC link and reduces
ground capacity currents in accordance with IEC 61800-3 (see
screw is on the side of the drive).
28 | Danfoss A/S © 2022.02
9.7 Connection Tightening Torques.
9.9 Enclosure Sizes, Power Ratings, and
9.1 Electrical Data.
4.6 Examples of Mains, Motor, and
4.3 Grounding.
AQ381425076031en-000101 / 130R1223
Electrical Installation
4.3
Dimensions, the RFI