Danfoss VLT FC Series Service Guide

10.2.4 Power Card
To remove or reinstall the power card, use the following steps. Refer to Illustration 10.3.
NOTICE
PARTS CONFIGURATION
In D1h–D8h and J8 units, the current scaling card is on
the power card. In parallel drive systems, the current
scaling card is on the MDCIC.
Disassembly
1. Remove the control card mounting plate. Refer to
chapter 10.2.2 Control Card and Control Card
Mounting Plate.
2. Unplug the power card connectors:
2a MK101
2b MK103
2c MK501
2d MK502
2e MK902
2f Any additional, customer-supplied
wiring at MK106 and MK500
3. Remove 5 screws (T20).
4. Remove 2 standos (8 mm).
5. Remove the power card from 3 plastic standos.
6. Remove the current scaling card from the power
card by pinching together the tip of the plastic
stando.
NOTICE
PARTS REUSE
Replacement power cards do not include a current
scaling card. Keep the current scaling card for future
installation with any replacement power card.
Reassembly
Tighten hardware according to chapter 14.1 Fastener Torque
Ratings.
1. Install the current scaling card at MK100 on the
power card.
2. Position the insulator sheet on the power card
mounting plate.
3. Press the power card onto 3 plastic standos.
4. Secure 2 standos (8 mm).
5. Secure 5 screws (T20) in the power card.
6. Attach cables to the power card connectors:
6a MK101
6b MK103
6c MK501
6d MK502
6e MK902
6f Any additional, customer-supplied
wiring at MK106 and MK500
7. Replace the control card mounting plate. Refer to
chapter 10.2.2 Control Card and Control Card
Mounting Plate.
D1h/D3h/D5h/D6h/J8 Drive Di...
VLT
®
FC Series, D1h–D8h, Da2/Db2/Da4/Db4, E1h–E4h, J8/J9
134 Danfoss A/S © 02/2019 All rights reserved. MG94A502
1010

Danfoss VLT FC Series Specifications

General

Brand	Danfoss
Model	VLT FC Series
Category	DC Drives
Language	English