Airedale OptiChill FreeCool 500kW - 1365kW - Manual (Page 57)

Chillers OPTICHILL
Chillers
57
Installation & Maintenance : 6564868 02/2013
Maintenance
GENERAL MAINTENANCE
6 MONTHS ACTION NOTES
Repeat 3 month checks plus the following:
SYSTEM Check evaporator heater and low ambient
thermostat are set to activate at 4.0ºC. Remember to re-cap the Schrader
connections!
12 MONTHS ACTION NOTES
Repeat 6 month checks plus the following:
SYSTEM Check safety devices cut out the compressor at the
correct settings.
REFRIGERATION Check glycol concentration if appropriate. Adjust as necessary.
Leak test all refrigerant joins and inspect all
water connections. Rectify as necessary.
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.
20,000 Hours or 4 Years Inspect oil filter, suction filter, check valve and pressure-
relief valve.
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

Drain the water from the chiller evaporator via the evaporator drain plug