Danfoss VLT AHF 005 Service Guide

4. If the brake/regen option is present, remove the 2
brake jumper busbars between the main
enclosure and the extended options cabinet. See
Illustration 11.38:
4a Remove 2 nuts (8 mm) attaching the
brake jumper busbars to the standos, 1
per busbar.
4b Remove 2 nuts (17 mm) from the lower
end of the brake jumper busbars, 1 per
busbar.
4c Remove 2 screws (17 mm) from the top
end of the brake jumper busbars, 1 per
busbar.
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2
3
6
7
1
4
5
1 Brake terminals
2 Screw (17 mm)
3 Brake jumper busbars
4 Nut (8 mm) for stando
5 Nut (17 mm)
6 Motor busbars (V and W)
7 Stando
Illustration 11.38 Brake/Regen Jumper Busbars in D7h/D8h
5. Remove the 3 motor output jumper busbars
between the main enclosure and the extended
options cabinet. See Illustration 11.39:
5a Remove 3 nuts (17 mm) at the bottom
of the motor output busbars, 1 per
busbar.
5b Remove 3 screws (17 mm) from the top
of the motor output busbars, 1 per
busbar.
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3
4
5
1
2
1 Nut (8 mm)
2 Fan access panel
3 Screw (17 mm)
4 Motor output jumper busbars
5 Nut (13 mm)
Illustration 11.39 Motor Output Jumper Busbars in D7h/D8h
6. Access the heat sink fan cover by removing 6
nuts (8 mm) from the heat sink fan access panel.
7. Lift the heat sink fan access panel from the
extended options cabinet.
8. Remove the heat sink fan. Refer to
chapter 11.2.25 Heat Sink Fan.
Reassembly
Reinstall in reverse order of this procedure. Tighten
hardware according to chapter 14.1 Fastener Torque Ratings.
D2h/D4h/D7h/D8h/J9 Unit Dis... Service Guide
MG94A502 Danfoss A/S © 02/2019 All rights reserved. 241
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Danfoss VLT AHF 005 Specifications

General

Brand	Danfoss
Model	VLT AHF 005
Category	DC Drives
Language	English