Sullair SUPERVISOR CONTROLLER, Руководство пользователя

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42
NOTES
These are the basic checks that should be performed
to be able to spot any impending problems before
they occur. The most important aspect in VSD
longevity is to keep it clean and maintain tight
electrical connections.
If you have any other questions regarding this VSD
maintenance needs contact Sullair Technical
Assistance at: 1-800 Sullair.
6.11 CLEANING VSD HEAT SINKS
Always read the safety section in your manual for
your machine. Properly lock out/tag out the machine
before work begins on Frames 4 - 10. VSD Drives
can store a capacitive charge. Failure to follow
correct shutdown and lockout/tag out procedure can
result in serious injury or death.
F
AN REMOVAL AND REPLACEMENT
1-15 HP/480
V
:
1. Remove front cover of VSD.
2. 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 the
panel. Remove the drive and set it on the back.
4. Remove the fan by taking a screw driver and
pushing in on the two side tabs then pull up.
The fan needs to be removed with caution so
the electrical connections are not damaged.
5. Clean the fan of dirt and debris or install a
new fan assembly.
H
EAT
S
INK
C
LEANING
1-15 HP/480
V
:
1. If necessary, remove VSD 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.
F
AN REMOVAL AND REPLACEMENT
20-40
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. Remember the fan
is on x17 connection
7. Remove the fan from the VSD.