Airedale Ultima Compact Condensing Unit 30kW - 450kW - Manual (Page 35)

Condensing Units ULTIMA COMPACT
Condensers & Condensing Units
35
Installation & Maintenance : 6259675 IM V1.4.0 10/2013
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Maintenance
GENERAL MAINTENANCE (CONT.)
12 MONTHS ACTION NOTES
Repeat 3 month checks plus the following:
SYSTEM Check safety devices cut out the compressor at the
correct settings.
REFRIGERATION Leak test all R407C joints and inspect all
water connections.
Rectify as necessary.
Check superheats with system 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.
SHUT DOWN PERIODS For periods of winter shut down the following precautions are recommended:
 Close the liquid and discharge ball valve
 Cap service ports
 Turn off electrical circuits