Airedale Ultima Compact UCC 300 [45/53] Chillers ultima compact

Chillers ULTIMA COMPACT

Chillers

Installation & Maintenance : 903-129 IM E 10/04/

Maintenance

GENERAL MAINTENANCE

6 MONTHS ACTION NOTES

Repeat 3 month checks plus the following:

SYSTEM Check evaporator trace heating and low ambient thermostat

are set to activate at 4.0ºC.

Remember to re-cap the Schraeder

connections!

12 MONTHS ACTION NOTES

Repeat 6 month checks plus the following:

SYSTEM Check safety devices cut out the compressor at the correct

settings.

Check glycol concentration if appropriate. Adjust as necessary.

Leak test all R407C joints and inspect all water connections. Rectify as necessary.

REFRIGERATION

Check superheats with chiller running on full load (the

height of summer is recommended). Recheck the charge

following major adjustment of the superheats.

Adjust as necessary. A period of 30 minutes

should be allowed between each resetting of the

valve to allow pressures to stabilise.

Thermostatic expansion valve only.

ELECTRICAL Tighten all electrical terminals.

COMPRESSOR

MAINTENANCE

Periodic maintenance and inspection of this equipment is necessary to prevent premature

failure, the following periodic inspections should be carried out by period or hourly use

which ever is sooner.

1 Year

Measure compressor motor insulation.

7,500 Hours or 4 Years

Inspect compressor oil.

For periods of winter shut down the following precautions are recommended:

SHUT DOWN PERIODS

• Close the liquid and discharge ball valve

• Cap service ports

• Turn off electrical circuits

• Drain the water from the chiller evaporator via the evaporator drain plug