Danfoss VLT FC Series, Руководство по обслуживанию

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10.2.17 Gate Drive Card
To remove or reinstall the gate drive card, use the
following steps. Refer to
Illustration 10.11 .
Disassembly
1. Remove the DC bus rails. Refer to
chapter 10.2.13 DC Bus Rails .
2. Unplug the cables from the following gate drive
card connectors:
2a MK100
2b MK501
2c MK601
2d MK701
2e MK102
2f MK201 (if brake option is present)
3. Remove 6 thread-forming screws (T20).
Reassembly
Tighten hardware according to chapter 14.1 Fastener Torque
Ratings .
1. Secure 6 thread-forming screws (T20) in the gate
drive card.
2. Attach the cables to the following gate drive card
connectors:
2a MK100
2b MK501
2c MK601
2d MK701
2e MK102
2f MK201 (if brake option is present)
3. Replace the DC bus rails. Refer to
chapter 10.2.13 DC Bus Rails .
10.2.18 Brake IGBT Module
To remove or reinstall the brake IGBT module, use the
following steps. Refer to
Illustration 10.11 .
Disassembly
1. Remove the gate drive card. Refer to
chapter 10.2.17 Gate Drive Card .
2. Remove the mains input terminal block. Refer to
chapter 10.2.6 Mains Input Terminal Block .
3. Remove the motor terminal block. Refer to
chapter 10.2.7 Motor Terminal Block .
4. Remove 2 brake-to-DC link busbars. Refer to
chapter 10.2.13 DC Bus Rails .
5. Remove 2 thread-forming screws (T20) from the
top of the brake IGBT module.
6. Remove the brake snubber capacitor by removing
2 screws (T30), 1 from each busbar.
7. Remove 2 screws (T30) from the bottom of the
brake IGBT module.
8. Remove 1 thread-forming screw (T25).
9. Remove 4 screws (T25), 1 from each corner of the
IGBT module.
Reassembly
For reassembly, follow the replacement IGBT instructions.
Tighten hardware according to
chapter 14.1 Fastener Torque
Ratings .
D1h/D3h/D5h/D6h/J8 Drive Di...
VLT
®
FC Series, D1h–D8h, Da2/Db2/Da4/Db4, E1h–E4h, J8/J9
152 Danfoss A/S © 02/2019 All rights reserved. MG94A502
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