Description And Operation
Manual A/C Heater Control
The Manual Temperature Control (MTC) A/C heater control includes the following controls:
Blower motor activation/adjustment knob (1):
- 0 = blower motor OFF
- blower motor speed (seven different speeds can be chosen)
Air temperature adjustment knob and MAX A/C function activation (2):
- blue section = cold air
- red section = hot air
Air distribution knob (3):
- air from central outlets and side vents
- air from central outlets, side vents and front and rear footwell vents
- air outlet from the front and rear footwell vents and a light air flow also from the side vents on the dashboard
- air outlet from the front and rear footwell vents, to the windshield, the side windows and a light air flow also at the side vents on the dashboard
- air outlet to the windshield, the side windows and a light air flow also at the side vents on the dashboard
Four additional intermediate positions are also possible in the five main distributions described above:
- Heated rear window ON/OFF button (4)
- Climate control compressor ON/OFF button (5)
- Air recirculation ON/OFF button (6)
Selecting the footwell/windshield or only windshield distribution activates the climate control system compressor (LED on A/C button ON) and the air recirculation is set to "outside air" (LED on button 6 OFF). This logic guarantees optimum visibility at the windows. The driver can always set air recirculation and climate control system compressor.
Automatic A/C Heater Control
The Automatic Temperature Control (ATC) A/C heater control incorporates the following controls:
- Climate control system ON/OFF button (1)
- Climate control compressor ON/OFF button (2)
- Driver side temperature adjustment button (3)
- ON/OFF button for internal air recirculation (3)
- Blower motor speed knob (4)
- Passenger side temperature adjustment button (5)
- Button for activating the MAX DEF function (fast front window defrosting/demisting) (6)
- AUTO function activation button (automatic operation) (7)
- Heated rear window ON/OFF button (8)
- Air distribution Mode selection button (9)
- Recirculation activation button (10)
The dual zone automatic climate control system regulates the temperature in the passenger compartment in two areas:
- Driver side
- Passenger side
The system maintains comfort inside the passenger compartment and compensates for possible variations in outside weather conditions.
The automatically controlled parameters and functions are:
- Air temperature at the driver/front passenger side vents
- Air distribution at the driver/front passenger side vents
- Blower motor speed (continuous variation of the air flow)
- Compressor engagement (for cooling/dehumidifying the air)
- Air recirculation
All these functions can be adjusted manually by operating the system and selecting one or more functions and modifying their parameters. Manual selections always have higher priority than automatic settings and are stored until the AUTO button is pressed, except for cases in which the system intervenes for safety reasons.
The following operations do not deactivate the AUTO function:
- Recirculation activation/deactivation
- Compressor activation/deactivation
- Heated rear window activation/deactivation
One function can adjust manually without affecting the automatic control of the others. The amount of air introduced into the passenger compartment is not affected by vehicle speed; it is regulated by the blower motor, which is electronically controlled.
The temperature of the air sent is always automatically controlled according to the temperature set on the display (except for when the system is OFF or in certain conditions when the compressor is not running).
The system allows the following to be set or adjusted manually:
- Driver/passenger side air temperature
- Blower motor speed (continuous variation)
- Air distribution to seven positions
- Compressor engagement/disengagement
- Rapid defrosting/demisting function
- Air recirculation
- Heated rear window
- System deactivation
The A/C heater control cannot be adjusted or repaired and must be replaced if inoperative or damaged.