12.2.4 Installing the Control Shelf
NOTICE
To avoid RFI, do not route control wiring together with power cables or busbars.
1. Remove the control shelf assembly from its package.
2. Remove the LCP from the control shelf.
3. Use some type of mounting hardware to install the control shelf. Danfoss does not supply the mounting brackets
for the control shelf. For correct EMC installation, refer to Illustration 12.6.
4. Remove the MDCIC cover from the control shelf assembly.
5. Connect the 44-pin ribbon cables from the MDCIC card to the top of the drive modules. The numbers next to the
connectors on the MDCIC reect the number of the module.
6. Route the 44-pin ribbon cables inside the cabinet.
7. Connect the external brake fault wiring harness between the microswitch terminals and the brake jumper
connector on the top of the drive module.
8. Connect the relay wiring between relay 1 or 2 on the control shelf and the corresponding relay connector on the
top of the drive module.
9. Connect the second jumper to the corresponding brake jumper connector on the top of the drive module.
Da2/Db2/Da4/Db4 Parallel Sy... Service Guide
MG94A502 Danfoss A/S © 02/2019 All rights reserved. 253
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