Airedale OptiChill OPC 500 [56/60] Optichill chillers

Airedale OptiChill OPC 650 [56/60] Optichill chillers
OPTICHILL Chillers
Chillers
56
Installation & Maintenance : 6564868 08/2008
Maintenance
GENERAL
MAINTENANCE
The maintenance schedule indicates the time period between maintenance operation.
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
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
Remember to re-cap the Schrader
connections!
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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