Maintenance Requirements For Yvaa Chillers - York YVAA Installation, Operation & Maintenance Instructions Manual

SECTION 9 - MAINTENANCE
PROCEDURE
Check Oil Level in Oil Separator Sight
Glass.
Check Liquid Line Sight Glass/ Moisture
Indicator.
Check refrigerant level in the Evaporator
Sight Glass while running full load for 10
to 15 minutes.
Record System Operating Temperatures
& Pressures.
Check Condenser 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.
**Leak check the Chiller.
**Sample Compressor Oil, check for Acid,
and replace if necessary.
**Disconnect Power Source and Lock
Out. Check tightness of Power Wiring
connections.
Check Glycol concentration on Low Temp.
or other applications where freezing may
be a problem.
VSD Glycol Change.
* Reserved for customer use for any special site requirements.
**This procedure must be performed at the specific time by an industry certified technician who has been
trained and qualified to work on this type of equipment. A record of this procedure be successfully carried out should be maintained on file by
the equipment owner should proof of adequate maintenance be required at a later date for warranty purposes.
164
MAINTENANCE REQUIREMENTS FOR
YVAA CHILLERS
WEEKLY QUARTERLY
X
X
X
X
X
X
X
X
SEMI-
ANNUALLY
ANNUALLY
X
X
X
X
FORM 201.28-NM1.1
ISSUE DATE: 1/31/2018
EVERY 5 EVERY *
YEARS HOURS
X
JOHNSON CONTROLS