Airedale Ultima Compact UCC 360 [44/53] Ultima compact chillers

Airedale Ultima Compact UCC 360 [44/53] Ultima compact chillers
ULTIMA COMPACT Chillers
Chillers
44
Installation & Maintenance : 903-129 IM E 10/04/C
Maintenance
ALL work MUST be carried out by Technically Trained competent personnel.
CAUTION
The equipment contains live electrical and moving parts, ISOLATE prior to
maintenance or repair work.
UK MAINLAND - The Chiller Maintenance Record
and supporting maintenance
documents MUST be complete and available on request to validate warranty.
IMPORTANT
The Chiller Maintenance Record
is located within the unit control panel.
GENERAL
MAINTENANCE
The maintenance schedule indicates the time period between maintenance operations.
3 MONTHS ACTION NOTES
Check the following and compare results with
commissioning records.
Investigate and rectify variations.
Suction and discharge readings.
Head pressure control is maintained.
Remember to re-cap the Schraeder
connections!
Pressure relief indicator gauge.
Check each circuit sight glass for dryness and bubbles
for indication of leaks.
Check compressor oil level and
shell/sump temperature.
REFRIGERATION
Visually inspect the unit for oil patches.
Investigate and repair possible leaks.
Check the following against the commissioning records.
Control settings.
Alarm log for unusual occurrences.
Chilled water control maintains design temperature.
Chilled water flow is within design limits of zero to
plus 10%.
Concurrently ensure chilled water pump and flow switch
operate efficiently, and that interlocks function correctly.
SYSTEM
Operation of waterflow switch and pump interlock.
Investigate and adjust as necessary.
Finally! Record operating conditions.
Visually inspect the unit for general wear and tear, treat
metalwork.
Rust should be inhibited, primed and touched up
with matching paint (available from Airedale or
your Distributor).
Visually inspect pipe and pipework insulation. Repair/rectify as necessary.
Clean evaporator water strainer. At first maintenance visit and then as frequently
as necessary (12 months).
Clean condenser coils.
Do not steam clean use detergent
and stiff bristled brush. For heavy dirt, use either a high
pressure water or chemical hose.
Do not damage fins and comb out if necessary.
Visually check the following:
Pipework clamps are secure.
Tightness and condition of fan and compressor mounts.
FABRIC
Anti-Vibration mounts fixings (if fitted).
Secure/tighten as necessary.
Finally! Ensure control panel lids and access panels have been
correctly replaced and securely fastened in position.

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