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16. First Checks after Starting the Unit
Check that the air being released from the condenser into the environment flows correctly without
being drawn into the cooling unit.
Check that the evaporator fan functions properly.
Check, with the unit running, that the supply voltage remains within the values indicated on the
technical data plate
17. Switching off the Unit
To switch off the unit, disconnect the supply voltage from the system .
18. Maintenance
Very little ordinary maintenance is necessary, in view of the reliability and total automation of moving
parts. This maintenance, however, must be performed according to prescribed maintenance intervals.
Failure to perform maintenance, in addition to affecting the unit durability and operation, invalidates
the warranty.
WARNING!
Switch off the power supply of the unit before performing any maintenance measures.
18.1 PREVENTIVE MAINTENANCE SCHEDULE
Two monthly
Check that the unit's condensate drainage system is perfectly clear and operational.
Yearly
Check that the fans do not show signs of overheating or abnormal vibrations.
Check that the exchangers are efficient and not soiled.
Note: If the air conditioner works in exceptionally dirty environments or if experience shows that it
requires more frequent maintenance then this maintenance must be performed as required.
Note: After each scheduled and unscheduled service:
check that the condensate drainage system is perfectly efficient.
18.2 EXTRAORDINARY MAINTENANCE INTERVALS
Every 3 years or every 10,000 operating hours the unit must undergo a general overhaul either at
the manufacturer's factory or at companies authorized by STULZ or by qualified agencies at the
customer's own expense.
Summary of Contents for CVC 07 001yy
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