York Centrifugal Chiller YKHQFVP95CEGS

Check graphic control centre (OptiView) displays.

Is the compressor in operation?

Enter the bearing oil pressure from the SYSTEM Screen.

Enter the oil level in the oil reservoir.

Is the operating oil level between the upper and lower sight glasses?

Enter the entering condenser water pressure and temperature from the SYSTEM Screen.

Enter the leaving condenser water pressure and temperature from the SYSTEM Screen.

7.1.6 Annually (more often if necessary)

Recommendations for water treatment

Has a chemical analysis of the water been conducted?

Water treatment expert consultation notes

Test all system joints for refrigerant leaks with a leak detector

Were any refrigerant leaks found?

Repair any detected refrigerant leaks before long-term shutdown

Periodically check the tightness of the system during idle periods

Drain water from cooling tower, condenser, condenser pump, chilled water system, chilled water pump, and coils if freezing temperatures are expected

Open drains on evaporator and condenser liquid heads to ensure complete drainage

Drain water from additional systems if applicable

Disable the clock on the SETUP Screen to conserve battery

7.1.5 Every 6 Months (or more often as required)

Change and inspect compressor oil filter element

Check controls and safety cutouts

Is the unit shutting down on High Oil Temperature or Low Oil Pressure?

Change the oil filter element if necessary

Examine the oil filter element for aluminum particles and describe findings

Are aluminum particles found in the oil filter?

If aluminum particles are found, describe the actions taken or recommendations from York Service Agent

Perform chemical analysis of oil

Were any leaks found during the test?

Were all detected leaks repaired immediately?

Perform leak test with R134a compatible leak detector