Automatic air conditioning pushbutton control module position/function · gf8340p2000s · Mercedes-Benz WIS

GF83.40-P-2000S

Automatic air conditioning pushbutton control module position/function

23.4.98

MODEL 140 as of 1.9.95 except CODE (498) Japanese version

Automatic air conditioning pushbutton control module position/function

P83.40-2076-04

 Automatic pushbutton

 Warm temperature pushbutton

 Cold temperature pushbutton

 Defrost pushbutton

 Recirculated air pushbutton

 Activated charcoal filter
pushbutton (only with Code 306a, activated charcoal filter)

 Rear screen heater pushbutton

 Air distributor pushbuttons

 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:

 Automatic air distribution and blower speed by pressing the pushbutton (separate adjustment for driver and passenger is possible)

 Passenger compartment temperature selection by pressing the warm/cold pushbuttons  , (separate adjustment for driver and passenger is 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 (  )

 Defrosting function by pressing the defrost pushbutton
(  )

 Heating the rear screen by pressing the rear screen heater pushbutton (  )

The driver will be shown these adjustments on the display.

Furthermore the control module integrated into the control and operating (N22) module takes over regulation and control of systems, 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 (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 (N22) a variant coding should be performed with the aid of the Hand-Held Tester.

Blower pushbutton Location/task/function		GF83.40-P-2144A
Air distribution pushbutton Location/task/function		GF83.40-P-2159A
Recirculated air pushbutton Location/task/function		GF83.40-P-2145S
EC pushbutton Location/task/function		GF83.40-P-2146S
Warm temperature pushbutton Location/task/function		GF83.40-P-2160A
Cold temperature pushbutton Location/task/function		GF83.40-P-2161A
Automatic pushbutton Location/task/function		GF83.40-P-2147A
Rest pushbutton Location/task/function		GF83.40-P-2148A
Defrost pushbutton Location/task/function		GF83.40-P-2139A
Activated charcoal filter pushbutton Location/task/function	with Code 306a (Activated charcoal filter)	GF83.40-P-2149A
Display Location/task/function		GF83.40-P-2150A

Referenced documents

gf8340p2139a Defroster button, location/purpose/function
gf8340p2144a Blower pushbutton, location/purpose/function
gf8340p2145s Recirculated air pushbutton, location/purpose/function
gf8340p2146s EC pushbutton, location/purpose/function
gf8340p2147a Auto pushbutton, location/purpose/function
gf8340p2148a REST pushbutton, location/purpose/function
gf8340p2149a Activated charcoal filter pushbutton, location/purpose/function
gf8340p2150a Display, location/purpose/function
gf8340p2159a Air distribution pushbutton, location/purpose/function
gf8340p2160a Warm temperature pushbutton, location/purpose/function
gf8340p2161a Cold temperature pushbutton, location/purpose/function