Airedale International Air Conditioning Free-Cooling Chiller UCFC275D-8/2

Ensure all work is carried out by technically trained competent personnel

Isolate equipment to prevent electrical and mechanical hazards

Record the current operating hours of the compressor

Has the compressor reached 7,500 hours or 4 years of operation?

Inspect the condition of the compressor oil

Is the compressor oil in acceptable condition?

Describe any issues found with the compressor oil

Ensure all work is carried out by technically trained competent personnel

Isolate equipment to prevent exposure to live electrical and moving parts

Periodic Maintenance and Inspection

Measure compressor motor insulation

Perform the following shut down procedures

Ensure all work is carried out by technically trained competent personnel.

Isolate the equipment to ensure no live electrical or moving parts are active before maintenance.

Is head pressure control maintained?

Check pressure relief indicator gauge.

Check each circuit sight glass for dryness and bubbles.

Ensure the system is isolated from electrical supply

Check glycol concentration if appropriate

Leak test and inspect connections

Check superheats with chiller running on full load

Recheck the charge following major adjustment of the superheats

Ensure all work is carried out by technically trained competent personnel.

Isolate equipment to ensure no live electrical or moving parts are active before maintenance or repair work.

Visually inspect the unit for general wear and tear and treat metalwork.

Visually inspect pipe and pipework insulation.

Clean evaporator water strainer.

Clean condenser coils using detergent and a stiff bristled brush. Avoid steam cleaning.