Airedale International Air Conditioning Free-Cooling Chiller UCFC400D-12/2

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.

Treat metalwork for any signs of rust or damage.

Visually inspect pipe and pipework insulation.

Clean evaporator water strainer.

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 precautions

Ensure all electrical and moving parts are isolated before starting maintenance.

Check glycol concentration if appropriate.

Leak test all R407C joints and inspect all water connections.

Check superheats with chiller running on full load (the height of summer is recommended).

Recheck the charge following major adjustment of the superheats.

Ensure the system is isolated from electrical supply

Is head pressure control maintained?

Check pressure relief indicator gauge

Check each circuit sight glass for dryness and bubbles

Check safety devices cut out the compressor at the correct settings.

Tighten all electrical terminals.