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Heating and air conditioning system
Air conditioning system
Description
The air conditioning system is a combined cooling and heating
system. It makes it possible to optimally control the air temperature
at any season of the year.
Description of the air conditioning system
It is important for your safety and for your driving comfort that the air conditioning
system is operating properly.
The air conditioning system operates when switch
pressed and the following conditions are met:
•
engine running,
•
outside temperature above +5 °C,
•
blower switch switched on (positions 1 to 4).
If the cooling system is switched on, the temperature and air humidity drops in the
vehicle. The wellbeing of the occupants of the car is enhanced as a result of this
particularly at high outside temperatures and a high air humidity. The system
prevents the windows misting up during the cold season of the year.
The heating effect is dependent upon the coolant temperature, thus full heat
output only occurs when the engine has reached its operating temperature.
It is possible to briefly activate recirculated air mode in order to enhance the
cooling effect ⇒
.
Air at a temperature of about 5°C may flow out of the vents under certain circum-
stances when the cooling system is operating. Lengthy and uneven distribution of
the air flow out of the vents (in particular at the leg area) and large differences in
temperature, for example when getting out of the vehicle, can result in chills in
sensitive persons.
The air inlet in front of the windscreen must be free of ice, snow or leaves in order
to ensure that the heating and ventilation systems operate properly.
Using the system
Safety
⇒ page 90, fig. 106
A
is
AC
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Driving Tips
General Maintenance
Heating and air conditioning system
After switching on the cooling Condensation from the evaporator of the air condi-
tioning may drip down and form a puddle below the vehicle. This is quite normal
and not an indication of a leak!
Aeration of the vehicle when ignition is switched off*
On models fitted with power sliding/tilting roof with sollar cells, the fresh air blower
is automatically switched over to "solar mode " if the sun ray's are sufficient after
switching off the ignition. The solar cells on the sliding/tilting roof deliver power for
the fresh air blower. This supplies the interior of the car with fresh air.
For an optimum ventilation, the air outlet vents 3 and 4 must be opened
⇒ page 92.
The ventilation functions only when the sliding/tilting roof is closed.
WARNING
•
For your own safety and that of other road users, ensure that all the
windows are free of ice, snow and misting. Please familiarize yourself about
how to correctly operate the heating and ventilation systems, how to demist
and defrost the windows, as well as with the cooling mode.
•
You should not leave recirculated air mode on over a longer period of
time, as "stale" air may result in fatigue in the driver and occupants, divert
your attention and also cause the windows to mist up. The risk of having an
accident increases. Switch recirculated air mode off as soon as the windows
begin misting up.
Note
We recommend that you do not smoke in the vehicle when the recirculating air
mode is operating since the smoke which is drawn at the evaporator from the inte-
rior of the vehicle forms deposits in the evaporator of the air conditioning system.
This produces a permanent odour when the air conditioning system is operating
which can only be eliminated through considerable effort and expense (replace-
ment of compressor).
Breakdown assistance
89
Technical Data
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