Contactor; Disconnect - Danfoss VLT FC Series Service Manual

D2h/D4h/D7h/D8h/J9 Unit Dis...

11.3.3 Contactor

To remove or reinstall the contactor, use the following
steps. Refer to Illustration 11.40.
Disassembly
1. Remove the input busbars in accordance with
chapter 11.3.2 Accessing the Heat Sink Fan in
D7h/D8h Drives.
2. Remove the fuses (not shown) by removing 3
nuts (17 mm) from above the fuses and 3 screws
(17 mm) from below the fuses.
3. Remove the contactor to fuse busbars by
removing 3 nuts (17 mm).
4. Remove the contactor coil wires from terminals
A1 and A2.
5. Remove 4 bolts (13 mm) from the contactor
bracket and lift out the contactor.
Reassembly
Reinstall in reverse order of this procedure. Tighten
hardware according to chapter 14.1 Fastener Torque Ratings.
11 11
242
®
VLT FC Series, D1h–D8h, Da2/Db2/Da4/Db4, E1h–E4h, J8/J9

11.3.4 Disconnect

To remove or reinstall the disconnect, use the following
steps. Refer to Illustration 11.40.
Disassembly
1.
2.
3.
Reassembly
Reinstall in reverse order of this procedure. Tighten
hardware according to chapter 14.1 Fastener Torque Ratings.
Danfoss A/S © 02/2019 All rights reserved.
Remove the fuses in accordance with
chapter 11.3.3 Contactor.
Remove 4 screws (T25), 1 from each corner of the
disconnect.
Remove the disconnect by pulling it downward
and out of the cabinet.
MG94A502