10.2.26 Top Fan
The top fan is present in IP20/Chassis units only. The top
fan assembly includes 1 fan in a housing or secured under
a sheet metal or wire grill. To remove or reinstall the top
fan, use the following steps. See Illustration 10.27 and
Illustration 10.28.
Disassembly
1. Unfasten 2 screws (T25) and remove the front
cover from the unit.
2. Unplug the top fan cable connector.
3. Pull the top fan cable through the cable access
hole, freeing it from the enclosure.
4. If a fan housing is present, perform the following
steps. See Illustration 10.27. Otherwise, proceed to
the next step.
4a Remove 2 screws (T25) from the top fan
housing.
4b Slide the fan housing and top fan free
from the retaining clips on top of the
drive.
5. If a wire or sheet metal grill is present, perform
the following steps. See Illustration 10.28.
5a Remove 2 screws (T25) from opposite
corners of the top fan grill.
5b Lift the grill and top fan from the drive.
Reassembly
Tighten hardware according to chapter 14.1 Fastener Torque
Ratings.
1. Feed the top fan cable through the cable access
hole on the top of the drive.
2. Reconnect the in-line fan cable connector.
3. If a fan housing is present, perform the following
steps. See Illustration 10.27. Otherwise, proceed to
the next step.
3a Place the top fan in the fan housing.
Check that the air direction arrows point
upward and away from the drive.
3b Slide the top fan housing and fan under
the retaining clips on top of the drive.
3c Fasten 2 screws (T25) in the top fan
housing, securing it to the drive.
4. If a wire or sheet metal grill is present, perform
the following steps. See Illustration 10.28.
4a Position the fan on top of the drive.
Check that the air direction arrows point
upward and away from the drive.
4b Place the grill on top of the fan.
4c Fasten 2 screws (T25) in opposite
corners of the grill, securing the top fan
to the drive.
5. Replace the front cover on the drive, and fasten
with 2 screws (T25).
D1h/D3h/D5h/D6h/J8 Drive Di... Service Guide
MG94A502 Danfoss A/S © 02/2019 All rights reserved. 175
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