Door Fan - Danfoss VLT FC Series Service Manual

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

11.2.26 Door Fan

Door fans are found in only IP21 (UL type 1) and IP54 (UL
type 12) enclosures and extended option cabinets. To
remove or reinstall a door fan, use the following steps. See
Illustration 11.33 and Illustration 11.34.
Disassembly
1. Pinch together the release tabs on the door fan
front grill and remove the grill from the enclosure
door.
2. Remove the door fan filter.
3. Open the enclosure door and unplug the in-line
connector attaching the door fan cable.
4. Release the cable from the cable guides.
5. Detach 4 screws (T20) from the corners of the
door fan. When removing the screws, hold each
nut (7 mm) with a wrench on the opposite side
of the door.
6. Remove the door fan from the enclosure door.
7. Using a pliers, pinch together the post in each
corner of the door fan guard to release it from
the fan.
1
2
3
4
1 Screw (T20)
2 Door fan front grill
Illustration 11.33 Front View of Door Fan Assembly
MG94A502
Service Guide
NOTICE
FAN DIRECTION
To ensure proper cooling, position the door fan so that
the air direction arrow points away from the internal
drive components when the door is closed.
Reassembly
Tighten hardware according to chapter 14.1 Fastener Torque
Ratings.
1.
2.
3.
4.
5.
6.
3 Release tab
4 Door fan filter
Danfoss A/S © 02/2019 All rights reserved.
Align the posts on the door fan guard with the
holes in the corners of the door fan and press
together.
Position the door fan in the door of the
enclosure. Check that the air direction arrow
points away from the interior of the drive when
the door is closed.
Replace 4 screws (T20) in the corners of the door
fan, securing each with a nut (7 mm).
Route the door fan cable through the cable
guides and attach the in-line cable connector.
Replace the filter over the door fan on the
outside of the door.
Reposition the door fan grill over the filter and
press to snap in place.
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