Roof-top air-conditioning system CC8 5 Operating information
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5 Operating information
5.1 Safety precautions
Observe safety regulations contained in 1.4.
5.2 System control
CAUTION
• The air-conditioning system may only be operated with the engine running to
prevent the battery from discharging.
• A distinction must be made between two cases to prevent leaks at the shaft seal of
the compressor:
– The compressor must not be switched on if the vehicle itself is not operated for
a longer period of time.
– If the vehicle is to be operated over a longer period of time without using the
air-conditioning system, it is advisable to operate the compressor once every
14 days, otherwise the shaft seal of the compressor may be damaged.
• Systems with fresh air ventilation flap (option)
– The fresh air ventilation flap should remain closed in winter.
– The flap must be closed when the air-conditioning system is exposed to a direct
water jet when cleaning the vehicle or when running the vehicle through a car
wash.
NOTE
• In compliance with the electrical connection, system control and operation should
only be possible with the engine running.
• If the air-conditioning system is connected so that fan operation is possible with the
engine off, there will be no cooling effect. Operation with the engine off merely cir-
culates the air inside the cabin.
Note that this will discharge the battery.
• The air-conditioning system is only serviceable when filled with the required
amount of refrigerant and refrigerator oil as specified in the service and installation
instructions.
Make sure to use refrigerant type R134a only.
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