JOHNSON CONTROLS
82
FORM 160.67-O2
ISSUE DATE: 10/9/2020
SECTION 7 - PREVENTIVE MAINTENANCE
PROCEDURE DAILY WEEKLY MONTHLY YEARLY
CHILLER
Record Operating Conditions (On Applicable Log Form) X
Check Oil Levels X
Check Refrigerant Levels X
Check Oil Return System Operation 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 Flows X
Leak Check And Repair Leaks As Needed
1
X
Check And Tighten All Electrical Connections X
Replace Oil Filter And Oil Return Filter/Driers X
Clean Oil Cooler Heat Exchanger Tubes X
Perform Oil Analysis On Compressor Lube Oil
1
X
Perform Refrigeration Analysis
1
X
Perform Vibration Analysis X
Clean Heat Exchanger Tubes X
2
Perform Eddy Current Testing And Inspect Tubes 2-5 Years
Check Operation of all Shutdowns (History Print) X
Conduct Panel Overspeed Test X
Check Operation of Motor Contactors in Power Panel X
STEAM CONDENSER
Visually Inspect For Leaks / Abnormal Noise X
Check Liquid Ring Seal On Relief Valve &
Liquid Ring Vacuum Pumps
X
Check Conedsate Pump Operation / Seals X
Check Hotwell Liquid Level / Pump X
Lubricate The Hotwell Pump Bearing 6 Months
Check And Tighten All Electrical Connections X
Check Three-Phase Voltage And Current X
Inspect / Clean Tubes With Chiller Heat Exchangers X
Clean And Grease Vacuum Pump Bearings
3 Years
MAINTENANCE REQUIREMENTS FOR YORK YST CHILLERS
160.67-MR1 (614)
Issue Date: 6/20/2014
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