Preventive Maintenance - Spheros CC 145 Betriebsanleitung

4.2 Preventive Maintenance

The below listed actions are performed for normal operation.
If the system will be operated with high workload or in areas with air contam-
ination the actions have to be carried out in shorter time periods.
Cooling circuit
Use a pressure gauge,
check refrigerant pressure
check refrigerant temperatures
After 15 minutes operation, check
sight glass for bubbles
Do a visual examination of pipes and
hoses
Do a visual examination for signs of
leakage of oil and refrigerant
Check the open and close pressure
of the pressure switches
Compressor / compressor clutch
Do a visual examination of the
compressor clutch
Do a visual examination for
condition, tension and alignment of
the V-belt
Clean the compressor and the
compressor clutch
Measure the coil resistance and the
electrical power consumption of the
compressor clutch
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every all 3
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Compressor / compressor clutch
After 15 minutes operation, check
the oil level of the compressor
(3/4 to 1/4 of the sight glass)
every
year
Structure
Do a visual examination for loose or
damaged parts
Clean or replace the air filter
Clean the evaporator condensate
drain
Clean the condenser with neutral
soap
Clean the evaporator with neutral
X
soap
Tighten all bolts of the compressor
bracket and the mounting of the
roof unit with correct torque
every
Check the attaching points of the
year
cover
Electrical system
Check the sequence of the
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thermostat (cooling / ventilation -
cooling / heating)
X
Check the alternator
CC 145
every all 3 every
month months year
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every all 3 every
month months year
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every all 3 every
month months year
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