York YCIV Series - Maintenance Requirements for YCIV Chillers

JOHNSON CONTROLS
307
SECTION 9 - MAINTENANCE
FORM 201.23-NM2
ISSUE DATE: 09/25/2020
9
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 Condenser 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 Compres-
sor.
X
**Check Condenser Subcooling. X
**Leak check the Chiller. X
**Sample Compressor Oil, check for Acid,
and replace if necessary.
X
**Disconnect Power Source and Lock
Out. Check tightness of Power Wiring
connections.
X
Check Glycol concentration on Low Temp.
or other applications where freezing may
be a problem.
X
VSD Glycol Change. X
* Reserved for customer use for any special site requirements.
** This procedure must be performed at the specic time by an industry certied technician who has been
trained and qualied to work on this type of equipment. A record of this procedure be successfully carried out should be maintained on le by
the equipment owner should proof of adequate maintenance be required at a later date for warranty purposes.
MAINTENANCE REQUIREMENTS
FOR YCIV CHILLERS