SL 55 AMG (230.474) V8-5.5L SC (113.992) (2003)
Heater Control Valve: Description and Operation
GF83.20-P-2112-01R Heat Exchanger Shut-Off Motor, Function
GF83.20-P-2112-01R Heat Exchanger Shut-off Motor, Function
- with CODE (581) Automatic air conditioning
Function
The heat exchanger shut-off motor (M16/32) regulates the flow of temperature-controlled coolant to the heat exchanger.
The heat exchanger shut-off motor (M16/32) is controlled by the AAC pushbutton control module (N22) so that there is always a sufficient quantity of
temperature-controlled coolant available.
Opening of heat exchanger shut-off motor (M16/32)
^
Regulated when the calculated air outlet temperature on one of the two sides is greater than 5 °C.
^
When starting the defroster function by pressing the defroster button.
^
When starting the REST function by pressing the REST button.
Closing of heat exchanger shut-off motor (M16/32)
^
Regulated when the calculated air outlet temperature on one of the two sides is less than 5 °C.
^
When ON/OFF button pressed
^
when engine is switched off
The air outlet temperature is calculated using the following factors:
^
Outside air temperature
^
Inside-air temperature
^
Set temperature selector
^
Fresh/recirculated air