ULTIMA COMPACT
Condensing Units
36
Condensers & Condensing Units
Installation & Maintenance : 6259675 IM V1.9.0 04/2016
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