Heat Sink Fan - Danfoss VLT FC Series Service Manual

D1h/D3h/D5h/D6h/J8 Drive Di...

10.2.24 Heat Sink Fan

To remove or reinstall the heat sink fan, use the following
steps. For IP21/IP54 (UL type 1/12) Drives, see
Illustration 10.24. For IP20/Chassis drives, see
Illustration 11.32.
NOTICE
HEAT SINK FAN ACCESS
If there is an extended options cabinet connected to the
drive, see chapter 10.3.1 Accessing the Heat Sink Fan in
D5h/D6h Drives.
Disassembly
1. To access the heat sink fan when an optional
telescoping duct is installed:
1a
1b
2. Remove the heat sink fan cover by removing 2
captive screws (T25). Take care not to damage
wiring inside the drive.
10 10
3. Lift the heat sink fan off the mounting studs and
lift it out of the drive. The heat sink fan cable is
still connected.
4. Squeeze together the top portion of the black
rubber cable grommet until it pops through the
hole, releasing the heat sink fan cable.
5. Disconnect the heat sink fan cable connector. To
avoid dropping the end of the cable into the
drive, affix the loose cable to the drive with
adhesive tape.
170
®
VLT
Remove 6 nuts (T25) from the duct
flange that attaches the duct to the
bottom of the drive. See
Illustration 10.23.
Lower the telescoping duct so that the
heat sink fan cover is accessible.
Danfoss A/S © 02/2019 All rights reserved.
FC Series, D1h–D8h, Da2/Db2/Da4/Db4, E1h–E4h, J8/J9
Reassembly
Tighten hardware according to chapter 14.1 Fastener Torque
Ratings.
1. Attach the heat sink fan cable connector to the
fan cable.
2. Feed the fan cable back through the access hole.
Press together the top of the rubber fan grommet
until it pops into place in the hole.
3. Place the heat sink fan over the mounting studs.
4. Replace the heat sink fan cover by securing 2
captive screws (T25). Torque to 2.3 Nm (20 in-lb).If
an optional telescoping duct is installed, extend
the duct upward and secure the duct flange to
the drive with 6 nuts (T25).
MG94A502