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OPERATION
3.5 OPERATING THE HEATER, VENTILATION AND AIR CONDITIONING
Interior Temperature Control.
When the unit is ON, select Automatic Climate Control (T5) to
start interior temperature control.
Press the plus (T2) or minus (T3) to set the required interior tem-
perature.
The temperature can be adjusted between 18° and 28°C.
When outside temperatures are below 2°C (adjustable parame-
ter), the cooling function remains disabled.
Ventilation
When the unit is operating in Automatic Climate Control mode,
the blower speed is controlled based on the room temperature.
However, the blowers may be switched to manual mode by press-
ing the blower key.
Press the plus (T1) or minus (T2) keys to define one of five differ-
ent blower settings. The blowers can not be switched OFF when
Automatic Climate Control (T5) is ON.
When Automatic Climate Control is OFF, the blowers stop when
the manual blower control is turned to zero.
Reheat (optional)
The reheat mode is used to remove air humidity and to help defog
the windshields. Press T3 and T5 (Illustration Z 25574) at the
same time to activate reheat. Heating and cooling will be active
for 3 minutes (adjustable parameter) during which time the blow-
ers must be switched to maximum speed and the fresh air flap is
to be closed. When the windshields are defogged at the end of
the preselected duration time, all functions are to be set to the
previously selected settings.
Reheat mode is disabled when outside temperatures are below
2°C (adjustable parameter) or when the sensor is not installed or
is defective.
Temperature indication
Press T2 and T3 (Illustration Z 25574) at the same time to display
the inside temperature, eg. "i 22" for 10 seconds.
Additionally, when pressing the keys a second time, the outside
temperature can be displayed, eg. "o 19".
A sensor malfunction is shown as "i--" or "o--".
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