Power Card - Danfoss VLT FC Series Service Manual

D1h/D3h/D5h/D6h/J8 Drive Di...

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
2b
2d
2e
3. Remove 5 screws (T20).
10 10
4. Remove 2 standoffs (8 mm).
5. Remove the power card from 3 plastic standoffs.
6. Remove the current scaling card from the power
card by pinching together the tip of the plastic
standoff.
134
MK101
MK103
2c MK501
MK502
MK902
2f Any additional, customer-supplied
wiring at MK106 and MK500
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VLT FC Series, D1h–D8h, Da2/Db2/Da4/Db4, E1h–E4h, J8/J9
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.
2.
3.
4.
5.
6.
7.
Install the current scaling card at MK100 on the
power card.
Position the insulator sheet on the power card
mounting plate.
Press the power card onto 3 plastic standoffs.
Secure 2 standoffs (8 mm).
Secure 5 screws (T20) in the power card.
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
Replace the control card mounting plate. Refer to
chapter 10.2.2 Control Card and Control Card
Mounting Plate.
MG94A502