10.3 D5h/D6h Disassembly and Assembly
The D5h and D6h drives are D1h drives with extended
options cabinets. The drive proled here includes a
contactor, disconnect, and brake option, and is 690 V
power range. Some procedures apply to all congurations,
but some vary depending on the size of the enclosure,
extended options cabinet, and selected options.
10.3.1 Accessing the Heat Sink Fan in
D5h/D6h Drives
D5h and D6h drives include an extended options cabinet
mounted below the heat sink fan. To access the heat sink
fan in D5h/D6h drives, remove the busbars between the
main enclosure and the extended options cabinet using
the following steps. In drives with dierent option congu-
rations, the busbars can vary slightly from the illustrations.
Disassembly
1. Remove the air bae covering the interior
components.
2. Remove the EMC shield by removing 2 screws
(T25).
3. Remove the 3 mains input jumper busbars (R, S,
and T) between the main enclosure and the
extended options cabinet. See Illustration 10.29:
3a Remove 3 screws (17 mm) from the top
of the mains input jumper busbars, 1
per busbar.
3b Remove 3 nuts (13 mm) from the
bottom of the mains input jumper
busbars, 1 per busbar.
1 Screw (17 mm)
2 Mains input jumper busbars
3 Nut (13 mm)
Illustration 10.29 Mains Input Jumper Busbars in D5h/D6h
D1h/D3h/D5h/D6h/J8 Drive Di...
VLT
®
FC Series, D1h–D8h, Da2/Db2/Da4/Db4, E1h–E4h, J8/J9
178 Danfoss A/S © 02/2019 All rights reserved. MG94A502
1010
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