Temperature control
The required temperature is set by means of the temperature control on the control panel.
Power is applied to the water valve only at minimum set temperature and thus closed.
The share of warm and cold air of the air flowing in the vehicle interior is controlled by the temperature mixing flap . This temperature mixing flap is adjusted by a bus motor that receives the adjustment information via the motor bus.
An auxiliary water pump is installed to ensure effective water flow to the IHKS also at low engine speeds . The auxiliary water pump is switched off at minimum set temperature .