the sleeper fan knob is turned to OFF. This is
necessary to protect the evaporator in the
sleeper heater and air conditioner system from
freezing. At lower fan speed settings, a slight
increase in airflow levels may appear at times,
as the control acts to regulate the evaporator
temperature.
Temperature Control Knob
The temperature control knob is used to select the
desired temperature in the sleeper. Turn the knob
counterclockwise for cool air, or clockwise for hot air.
Climate Control
6.3