Control Operation

Control Operation - Auto A/C:

DISPLAY SCREEN
Displays the operational status of the system.

AUTO BUTTON
The compressor, air inlet door, air mix door, outlet doors, and blower speed are automatically controlled so that the in-vehicle temperature will reach, and be maintained at the set temperature selected by the operator.

ECON BUTTON
Fully automatic control with the compressor off. With the compressor off, the system will not remove heat (cool) or de-humidify. The system will maintain the in-vehicle temperature at the set temperature when the set temperature is above the ambient (outside) temperature.

TEMPERATURE INCREASE/DECREASE BUTTON
Increases or decreases the set temperature.

OFF BUTTON
The compressor and blower are off, the air inlet door is set to the outside air position, and the air outlet doors are set to the foot (70% foot and 30% defrost) position. In the off position the Automatic Temperature Control (ATC) system uses the vehicle's "flow through" ventilation to try to maintain the interior temperature based on the temperature set when the system was last operating.

BLOWER BUTTON
Manual control of the blower speed. Four speeds are available for manual control (as shown on the display screen):
low, medium low, medium high, high

MODE BUTTON
Manual control of the air discharge outlets. There selections are available (as shown on the display screen):
face, bi-level, foot

AMBIENT BUTTON
Shows the ambient (outside) air temperature on the display screen for 5 seconds.

RECIRC BUTTON
Positions the air inlet door to the recirculation position for 10 minutes, after which automatic control resumes.

DEFROST BUTTON
Positions the air discharge doors to the defrost position. Also positions the air inlet door to the outside air position. The compressor operates at ambient temperature approx. 2°C (35°F) or above.