Automatic air conditioning pushbutton control module position/function

P83.40-2028-04

 Automatic pushbutton

 Warm temperature pushbutton

 Cold temperature pushbutton

 Defrost pushbutton

 Recirculated air pushbutton

 Air distributor pushbutton

 Rest pushbutton

 Blower pushbutton

 EC pushbutton

N22 Air conditioning (Automatic) (Automatic) A / C pushbutton control module

Function

The control and operating module (N22) of the Automatic air conditioning permits performance of adjustments required by the driver, such as:N22

 Passenger compartment temperature selection by pressing the warm/cold pushbuttons (  ,  ), a separate adjustment for driver and passenger is not possible

 Manual air quantity by pressing the blower pushbutton
( +/- )

 Manual air distribution by pressing the air distribution pushbutton (  )

 Recirculated air by pressing the recirculated air pushbutton ()

 Activation of residual engine heat recirculation, with ignition off, by pressing the Rest pushbutton
(  )

 Switching off cooling by pressing the EC pushbutton (  )

 Automatic air distribution and blower speed by pressing the automatic pushbutton (  )

 Defrosting function by pressing the defrost pushbutton (  )

The driver will be shown these adjustments on the display.

Furthermore the control module integrated into the control and operation module of the automatic air conditioning (N22) takes over regulation and control of the system, such as:

 comparison of the preselected / actual temperatures and adjustment of the passenger compartment temperature

 automatic switching from fresh air to recirculated air

 automatic air distribution

 automatic blower speed

 actuation of the refrigerant compressor

 actuation of the auxiliary ventilator

The control and operation module of the automatic air conditioning (N22) can be diagnosed so that faults arising are stored in a fault memory, which can be read out On Board or with the aid of the Hand-Held Tester.

When changing the control and operating module of the automatic air conditioning (N22) a variant coding should be performed with the aid of the Hand-Held Tester.