292
JOHNSON CONTROLS
FORM 201.21-NM1 (616)
PROCEDURE
WEEKLY
QUARTERLY
SEMI-
ANNUALLY
ANNUALLY
EVERY 5
YEARS
EVERY *
HOURS
Check Oil Level
in Oil Separator
Sight Glass
X
Check Liquid Line
Sight Glass/
Moisture Indicator
X
Record System
Operating
Temperatures &
Pressures
X
Check Condensor
Coils for
dirt / debris and
clean as
necessary
X
Check Programmable
Operating Setpoints
and Safety Cutouts.
Assure they are
correct for the
application
X
Check Compressor
and Evaporator
Heater operation
X
Check for dirt in the
Panel. Check Door
Gasket sealing
integrity
X
**Check Superheat
on the Evaporator and
the Economizer feed
to the Compressor
X
**Check Condensor
Subcooling
X
**Leak check the
Chiller
X
**Sample
Compressor Oil,
check for Acid,
and replace if
necessary
X
MAINTENANCE REQUIREMENTS
FOR YCAV CHILLERS
MAINTENANCE
Summary of Contents for YCAV0157-0267
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Page 57: ...57 JOHNSON CONTROLS FORM 201 21 NM1 616 ELEMENTARY CONTROL WIRING DIAGRAM CON T 6 LD12519 ...
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