Heating and air-conditioning
Heating, ventilation, cooling
Introduction
This chapter contains information on the following subjects:
Air outlets
76
Using the cooling system economically 77
Operational problems 77
The heating effect is dependent upon the coolant temperature, thus full heat
output only occurs when the engine has reached its operating temperature.
If the cooling system is switched on, the temperature and air humidity drops in
the vehicle. The cooling system prevents the windows from misting up during
winter months.
It is possible to briefly activate recirculated air mode to enhance the cooling ef-
fect.
Please refer to the information regarding recirculated air mode for the air-condi-
tioning system » page 81 or for Climatronic » page 83.
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 cor-
rectly operate the heating and ventilation systems, how to demist and defrost
the windows, as well as with the cooling mode.
CAUTION
■
The air inlet in front of the windscreen must be free from ice, snow or leaves,
for example, to ensure that the heating and cooling system works properly.
■
After switching on the cooling Condensation from the evaporator of the air con-
ditioning may drip down and form a puddle below the vehicle. This is not a leak!
Note
■
The used air escapes through the vents at the back of the boot.
■
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 in-
terior of the vehicle forms deposits in the evaporator of the air conditioning sys-
tem. This produces a permanent odour when the air conditioning system is oper-
ating which can only be eliminated through considerable effort and expense (re-
placement of compressor).
Air outlets
Fig. 77 Air outlet vents
First read and observe the introductory information and safety warn-
ings on page 76.
Warmed, unwarmed or cooled air flows out of the air outlet vents depending on
the regulator position for the heating or the air-conditioning system and the at-
mospheric conditions.
On air outlet vents 3 and 4 » Fig. 77, the direction of air flow can be changed and
the vents can also be opened or closed individually and the amount of airflow ad-
justed.
Set the air flow direction
›
To adjust the height of the air flow, turn the horizontal fins upward or down-
ward using the movable adjuster
A
» Fig. 77.
76
Using the system
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