Air Outlets - freightliner Columbia Driver Manual

Heater and Air Conditioner
outlet vents for the A/C and heater units are
clear. Blocked vents will hamper the operation
of the unit.
The control panel for the parked A/C and heater is
located on the back wall of the sleeper near the left
side. It has a temperature control dial, and a four-
position mode selector switch. Turn the temperature
control dial to the left for cooling, and to the right for
heat. See Fig. 4.6. See
the function of the mode switch.
The system must be turned off whenever it is not in
use, or the batteries may not charge properly. After
using the system, turn the mode switch to the OFF
position, even if the unit is not running.
Parked A/C and Heater Mode Switch Operation
Mode
Off Turns the unit off.
Allows the unit to automatically heat or
cool the sleeper, depending on the
temperature setting and the sleeper
AUTO
temperature. Adjusts the compressor,
heater, and fans to keep temperature
constant.
Allows only the heat portion of the system
Heat Only to run. Adjusts the heater only to keep the
temperature constant.
Allows only the A/C portion of the system
A/C Only to run. Adjusts compressor and fans only
to keep the temperature constant.
Table 4.1, Parked A/C and Heater Mode Switch
Operation

Air Outlets

The face outlets on the instrument panel have lou-
vers that can be moved right and left, and up and
down. Move the louvers to the desired location or to
close the outlet. The defrost (windshield) outlets and
the outlets that are directed at the doors are not
adjustable.
The sleeper has one or two air outlets on the right
side of the cab, depending on the height of the cab.
The sleeper air outlet pivots from side to side and
has louvers that can be moved up and down or
closed.
4.5
Table 4.1 for a description of
Function
1
2
3
4
AUTO
5
6
08/29/2007
1. Temperature Control
Dial
2. Mode Switch
3. A/C Only
Fig. 4.6, Parked A/C and Heater Control Panel
f831760
4. Heat Only
5. AUTO
6. Off