Norm A/C

WARNING: This page is about a different car, the 2005 Ford RV Cutaway, 2005 Ford Econoline, 2005 Ford E450 Super Duty, and 2005 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: System Airflow Description Diagram (Norm A/C)

Courtesy of FORD MOTOR CO.

When NORM A/C is selected:

The recirculation air duct door is in the no vacuum position, blocking recirculated air and admitting outside air.
The floor/panel door and the floor/defrost door are at the full vacuum position, directing airflow to the instrument panel A/C registers.
The temperature may be raised if desired.
The A/C compressor will be enabled when NORM A/C is selected.
The blower motor is on.