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Quality and Maintenance

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 Set points

Check all set points 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:

  • Hot gas bypass

  • Liquid injection


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.