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MAINTENANCE
PROCEDURE
Check Oil Level
in Oil Separator
Sight Glass
Check Liquid Line
Sight Glass/
Moisture Indicator
Record System
Operating
Temperatures &
Pressures
Check Condensor
Coils for
dirt / debris and
clean as
necessary
Check Programmable
Operating Setpoints
and Safety Cutouts.
Assure they are
correct for the
application
Check Compressor
and Evaporator
Heater operation
Check for dirt in the
Panel. Check Door
Gasket sealing
integrity
**Check Superheat
on the Evaporator and
the Economizer feed
to the Compressor
**Check Condensor
Subcooling
**Leak check the
Chiller
**Sample
Compressor Oil,
check for Acid,
and replace if
necessary
260
MAINTENANCE REQUIREMENTS
FOR YCAV CHILLERS
WEEKLY
QUARTERLY
X
X
X
X
X
X
X
SEMI-
ANNUALLY
ANNUALLY
X
X
X
X
FORM 201.21-NM2 (616)
EVERY 5
EVERY *
YEARS
HOURS
JOHNSON CONTROLS
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