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If rotary switch 3 is turned to ‘OFF’ position, then the rotary
speed of the fan corresponds to position 2 of rotary switch 3 (i.e. fan
is rotating at minimum speed).
When the “Preheating interior” mode is turning on, the heater
aps go to the following positions:
– air current distribution aps to “At the feet” position;
– recirculation ap to “Opened” position (air induction from
the motor vehicle interior);
– choke ap to “Maximum opened” position (maximum air
temperature).
After 5 minutes in the above described positions, the control
panel changes the positions of the aps to “Ventilation of the
interior and at the feet” position. The control panel remains in the
current operation mode with current ap positions until the liquid
pre-start heater is turned off or ignition is turned on.
If the ignition is turned on before the liquid pre-start heater is
turned off, then the control panel automatically goes to “Manual”
operation mode and the actuating elements of the climate control
unit are adjusted in accordance with the control elements of the
climate control unit.
Air conditioner
Depending on the conguration, the motor vehicle can be
equipped with air conditioner.
To switch the air conditioner on push button 7 (Fig. 3.21 b, c).
The control panel switches on the air conditioner if the air
temperature at the evaporator output is above or equal to 7 °C.
If the air conditioner is operating and the air temperature decreases
to 4 °C or lower, then it turns off regardless of the A/C switch
position.
When the control panel receives the signal from the A/C switch
to turn off the air conditioner, the control panel turns it off.
Recirculation mode can be activated with a button for more
effective cooling (air induction from the motor vehicle interior).
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