AIREDALE UFC200D-8, Руководство по установке, эксплуатации и техническому обслуживанию

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ULTIMA FREECOOL Chillers
Chillers
36
Installation & Maintenance Manual : 903-125 IM E 05/04/A
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.
GENERAL
MAINTENANCE
The maintenance schedule indicates the time period between maintenance operation.
3 MONTHS ACTION NOTES
REFRIGERATION 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 Schrader
connections!
• Pressure relief indicator gauge.
• Liquid injection solenoid valve and sight glass.
• Check each circuit sight glass for dryness and
bubbles for indication of leaks.
• Check compressor oil level and
shell/sump temperature.
SYSTEM Check the following against the commissioning records. Investigate and adjust as necessary.
• 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.
• Operation of waterflow switch and pump interlock.
Finally! Record operating conditions.
FABRIC 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 water strainer. At first maintenance visit and then as frequently
as necessary (12 months).
A 20mm spacing between condenser and free-cooling coils is provided for cleaning maintenance
along with top access holes and drain holes to the base.
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: Secure/tighten as necessary.
• Pipework clamps are secure.
• Tightness and condition of fan and
compressor mounts.
• Anti-Vibration mounts fixings (if fitted).
Finally! Ensure control panel lids and access panels have been
correctly replaced and securely fastened in position.