Sullair SUPERVISOR CONTROLLER, Руководство пользователя

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SECTION 6 SUPERVISOR CONTROLLER™ USER MANUAL
43
H
EAT
S
INK
C
LEANING
20-40
HP
/480
V
:
1. If necessary remove VFD from machine.
2. Remove the screws that hold the back cover
on. 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 the VSD.
4. Reinstall the rear VSD cover and screws.
5. Reinstall the VSD on the machine if necessary.
F
AN REMOVAL AND REPLACEMENT
50-60
HP
/480
V
:
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
will either be flange mounted or bolted to
panel. Remove the drive and set on its back.
4. Remove the fan by unscrewing the four
mounting screws.
5. Remove the blue control box on the front of the
VSD and the metal cover underneath it. (Be
sure to not allow any debris to enter VSD.)
6. Unplug the fan connector and push the wire
though the hole in VSD.
7. Unplug the fan from pin X2 and remove fan
from VSD.