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Maintenance Schedule
Basic Steps for Optimized Performance- Inspect the chiller quarterly
- Routinely check for refrigerant leaks
- Confirm compressor operating pressures are within a reasonable range
- Check all motor voltages & amps
- Check all electrical starters, contactors and relays
- Check all hot gas and unloader operations
- To reach maximum efficiency, use superheat and subcooling temperature readings
- Line readings from Discharge lines should also be obtained
For a custom maintenance schedule for your specific product, please contact a Cooling Technology, Inc representative and they will be happy to discuss our maintenance packages with you.
Daily Maintenance Check List for Chillers
Description |
Comment |
| Chiller use & Sequencing | Turn off or sequence unnecessary chillers |
| Overall Visual Inspection | Complete overall visual inspection to be sure all equipment is operating and that safety systems are in place |
| Check Setpoints | Check all setpoints for proper setting and function |
Monthly Maintenance Check List for Chillers
| Description | Comment |
| Evaporator and Condenser Coil Fouling | Assess evaporator and condenser coil fouling as required |
| Compressor Motor Temperature | Check temperature per manufacturer’s specifications |
| Leak Testing | Conduct leak testing on all compressor fittings, oil pump joints and fittings, and relief valves |
| Check all Insulation | Check insulation for condition and appropriateness |
| Control Operations | Verify proper control function including:
|
Semi – Annually Maintenance Check List for Chillers
| Description | Comment |
| Check Chiller Lockout Points | Check settings for manufacturer’s specifications |
Annual Maintenance Check List for Chillers
| Description | Comment |
| Compressor Motor & Assembly | Check all alignments to specification. Check all seals and provide lubrication where necessary. |
| Compressor Oil System | Conduct analysis on oil & change as necessary Check oil pump and seals Check oil heater and thermostat Check all strainers, valves, etc |
| Electrical Connections | Check all electrical connections and terminals for contact and tightness |
| Water Flows | Assess proper water flow in evaporator and condenser |
| Check Refrigerant Level and Condition | Record amounts and address leakage issues. |
Maintenance Schedule as provided by www.eere.energy.gov