York YK Series - Page 36

JOHNSON CONTROLS
36
FORM 160.76-O1
ISSUE DATE: 6/15/2015
SECTION 7 - PREVENTIVE MAINTENANCE
Procedure Daily Weekly Monthly Yearly Other
Record operating conditions (on applicable Log Form) X Check oil levels X Check refrigerant levels X Check oil return system operation X Check operation of motor starter X Check sump heater and thermostat operation X Check three-phase voltage and current balance X Verify proper operation/setting/calibration of safety controls
1
X
Verify condenser and evaporator water ows X Leak check and repair leaks as needed
1
X
Check and tighten all electrical connections X Megohm motor windings X Replace oil lter and oil return lter/driers X Clean or backush heat exchanger (VSD, SSS Applications) X Replace starter coolant (VSD, SSS Applications) X Replace or clean starter air lters if applicable X
2
Perform oil analysis on compressor lube oil
1
X
Perform refrigeration analysis
1
X
Perform vibration analysis X Clean tubes X
2
Perform Eddy current testing and inspect tubes 2-5 Years Lubricate motor Refer to motor manufacturer’s recommendations For operating and maintenance requirements listed above, refer to appropriate service literature, or contact your local Johnson Controls Service Ofce. A record of all procedures being successfully car- ried out (as well as operating logs) must be maintained on le by the equipment owner should proof of adequate maintenance be required at a later date for warranty validation purposes. 1
This procedure must be performed at the specied time interval by an Industry Certied Technician who has been trained and qualied to work on this type of YORK equipment.
2
More frequent service may be required depending on local operating conditions.
MAINTENANCE REQUIREMENTS FOR YORK YK CHILLERS
160.54-MR1 (611)
Supersedes 160.54-MR1 (801)
Issue Date: June 20, 2011