Airedale International Air Conditioning Free-Cooling Chiller UCFC200DQ-6/2

Ensure all work is carried out by technically trained competent personnel

Isolate equipment to ensure no live electrical or moving parts are active

Check evaporator trace heating activation temperature

Is the low ambient thermostat set to activate at 4.0°C?

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 the equipment to prevent exposure to live electrical and moving parts.

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

Check superheats with chiller running on full load

Check against commissioning records

Verify the following against commissioning records

Ensure chilled water pump operates efficiently

Ensure flow switch operates efficiently

Verify interlocks function correctly

Waterflow switch and pump interlock

Check operation of waterflow switch