SUPERVISOR CONTROLLER™ USER MANUAL SECTION 6
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HEAT SINK CLEANING 50-60HP/480V:
1. Remove VSD from machine.
2. Remove fan. This will give you the area that
the heat sinks and DC Bus capacitors are in.
3. Using clean dry air only blow out this area.
Be sure to not allow any debris to enter VSD.
4. Reinstall the fan.
5. Reinstall the VSD on the machine
FAN REMOVAL AND REPLACEMENT
75HP-125HP/480V:
1. Remove front cover and use key to open
inner cover of VSD.
2. Remove incoming power lead, motor leads,
and communication wire to VSD.
3. You will need to remove the VSD from unit. It
will either be flange mounted or bolted to panel.
4. Remove the drive in a safe manner and set
on its back.
5. Loosen the two nuts (A) at the bottom of the
fan and then pull the fan toward you for
removal. Caution the fan cable is still con-
nected. (Be sure to not allow any debris to
enter VSD.)
6. Unplug the black, blue, brown and ground
fan connectors from the VSD (B).
7. Push the wires though the hole in VSD.
HEAT SINK CLEANING 75HP-125HP/480V:
1. Remove VSD from machine.
2. Remove fan. This will give you the area that
the heat sinks and DC Bus capacitors are in.
3. Using clean dry air only blow out this area.
Be sure to not allow any debris to enter VSD.
4. Reinstall the fan.
5. Reinstall the VSD on the machine.
FAN REMOVAL AND REPLACEMENT
150HP – 200HP/480V, FRAME 9:
1. Remove front cover of VSD.
2. Remove incoming power lead, motor leads,
and communication wire to VSD.
3. You will need to remove the VSD from unit. It
with either be flange mounted or bolted to
panel. Remove the drive and set on its back.
4. Unplug fan on the bottom of VSD
marked 1 in the picture below.
5. Remove the four rubber grommets marked
(2) in the picture below. In each hole back
out the fan cover screw ¼ inch. Don’t
remove the screws from the holes.
6. Remove the four fan mounting screws (3) in
the picture below.
7. Slide the fan out of the VSD. The fan should
come out free from obstruction. If not, the
four screws (2) on the fan cover need to be
backed out a little more.