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R
EPLACING THE
PLC
Always refer to the wiring dia-
grams you received with your
chiller to locate specific elec-
trical components.
NOTE: Contact your Conair Service representative before
replacing the PLC.
Disconnect and lockout power to the chiller.
Open the top electrical enclosure.
Unplug connectors from the back of the PLC
by pulling them straight off.
Loosen the screws holding the PLC
Remove the PLC and shield from the
enclosure as a single unit.
Place new PLC into position.
Tighten the screws to hold the PLC in place.
Replace connectors.
The PLC is preprogrammed at the factory. You can tell if the
PLC is programmed if it displays the chiller model on the dis-
play screen when it powers up. If this does not happen, con-
tact your Conair Service representative.
WARNING: Electrical hazard
Before performing any work on this unit, discon-
nect and lock out electrical power sources to
prevent injury from unexpected energization or
startup.
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Conair Chiller
A1 - 5
Series 1 Portable Chillers, PLC Control
UGH017/0500
6-26
T
ROUBLESHOOTING