Form 160.54-MR1 (611) Supersedes: 160.54-MR1 (801)

Issue Date:June 30, 2011

...an Energy-Savingapproach to your Service needs...

YK CENTRIFUGAL

Procedure Daily Weekly Monthly Yearly Other

Record operating conditions (on applicable Log Form) XCheck oil levels XCheck refrigerant levels XCheck oil return system operation XCheck operation of motor starter XCheck sump heater and thermostat operation XCheck three-phase voltage and current balance XVerify proper operation/setting/calibration of safety controls1 XVerify condenser and evaporator water flows XLeak check and repair leaks as needed1 XCheck and tighten all electrical connections XMegohm motor windings XReplace oil filter and oil return filter/driers XClean or backflush heat exchanger (VSD, SSS Applications) XReplace starter coolant (VSD, SSS Applications) XReplace or clean starter air filters if applicable X2

Perform oil analysis on compressor lube oil1 XPerform refrigeration analysis1 XPerform vibration analysis XClean tubes X2

Perform Eddy current testing and inspect tubes 2-5 YearsLubricate 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 Office. A record of all procedures being successfully car-ried out (as well as operating logs) must be maintained on file 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 specified time interval by an Industry Certified Technician who has been trained and qualified 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

DATETIMEHour Meter ReadingO.A. Temperature Dry Bulb / Wet Bulb / / / / / / / / /

Compressor

Oil LevelOil PressureOil TemperatureOil Pump Motor Speed (If applicable)Discharge TemperaturePRV % Open

MotorVoltsAmps

Evap

orat

or

RefrigerantSuction PressureCorrsponding TemperatureSmall Temperature Difference

Liquid

Supply TemperatureSupply PressureReturn TemperatureReturn PressureFlow Rate - GPM (If equipped)

Con

dens

er

Refrigerant

Discharge PressureCorresponding TemperatureSubcooler Liquid TemperatureSmall Temperature DifferenceRefrigerant Level

Liquid

Supply TemperatureSupply PressureReturn TemperatureReturn PressureFlow Rate - GPM (If equipped)

Remarks:

160.54-MR1 (611) Supercedes: 160.54-MR1 (801)

Issue Date: June 30, 2011

CENTRIFUGALLIQUID CHILLER LOG SHEET

Chiller Location System No.