IHKA control unit with integrated control panel
The control panel and control unit of the integrated automatic heating/air-conditioning system (IHKA) have been combined to form one component.
Basic integrated automatic heating/air conditioning system
The basic integrated automatic heating/air conditioning system has no display for showing the selected temperature setting and the blower speed. There is only a shared facility for adjusting the temperature setting for the driver side and the front passenger side.
The basic integrated automatic heating/air conditioning system has no AUC function.
The air distribution flap motor drives the central kinematics with cam disc. The central kinematics are used to mechanically adjust the air distribution flaps. The microswitch records the current position of the cam disc and thus the position of the air distribution flap motor.
The basic integrated automatic heating/air conditioning system is operated using the operating elements shown in the illustration. The control unit regulates the climate control to the desired temperature. In doing so, the control unit picks up the sensor signals and continuously adapts the adjusting values for blow-out temperature and blower output. The seat heating (if fitted) is also operated using buttons in the operating unit.
| Index | Explanation |
|---|---|
| 1 | Button for air flow to upper body area |
| 2 | Button for air flow to the window |
| 3 | Air-volume control wheel |
| 4 | AUTO button |
| 5 | Air recirculation button |
| 6 | Temperature dial |
| 7 | Defrost button |
| 8 | A/C button |
| 9 | Button for heated rear window |
| 10 | Seat heating button, right |
| 11 | Interior-temperature sensor |
| 12 | Seat heating button, left |
| 13 | Button for air flow to footwell |
IHKA-High
The IHKA High has separate temperature settings for the driver's side and the front passenger side.
The IHKA-High has no display for showing the selected temperature setting and the blower speed.
The IHKA-High is operated using the operating elements shown in the illustration. The nominal temperature is set on the control panel separately for the driver's and front passenger's side. The control unit regulates the climate control to the desired temperature. In doing so, the control unit picks up the sensor signals and continuously adapts the adjusting values for blow-out temperature and blower output. The seat heating (if fitted) is also operated using buttons in the operating unit.
| Index | Explanation |
|---|---|
| 1 | Button for air flow to upper body area |
| 2 | Button for air flow to the window |
| 3 | Temperature selector control, left, with MAX button |
| 4 | AUTO button |
| 5 | Display |
| 6 | Button for blower setting |
| 7 | Button for fresh-air mode/automatic air-recirculation mode (AUC)/air-recirculation mode |
| 8 | Left temperature selector wheel with ALL button |
| 9 | Defrost button |
| 10 | A/C button |
| 11 | Button for heated rear window |
| 12 | Seat heating button, right |
| 13 | Interior-temperature sensor |
| 14 | Seat heating button, left |
| 15 | Button for air flow to footwell |