Airedale Ultima Compact Condensing Unit 30kW - 450kW - Manual (Page 34)

ULTIMA COMPACT Condensing Units
34
Condensers & Condensing Units
Installation & Maintenance : 6259675 IM V1.4.0 10/2013
Maintenance
CAUTION ALL work MUST be carried out by Technically Trained competent personnel.
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 operations.
3 MONTHS ACTION NOTES
REFRIGERATION Check the following and compare results with
commissioning records.
Investigate and rectify variations.
 Suction and discharge readings. Remember to re-cap the Schraeder
connections!
 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.
 Visually inspect the unit for oil patches. Investigate and repair possible leaks.
SYSTEM Check the following against the commissioning
records. Investigate and adjust as necessary.
 Control settings.
 Alarm log for unusual occurrences.
 Concurrently ensure chilled water pump and flow
switch operate efficiently, and that interlocks
function correctly.
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 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: 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.