CAUTION
During extreme cold weather, DO NOT
blow hot defroster air onto cold wind-
shields. This could crack the glass.
Turn the Air Flow Control Dial to De-
frost and adjust the fan speed accord-
ingly while the engine warms. If the
engine is already warm, move the
Temperature Control Dial to "cool,"
then gradually increase the tempera-
ture when you see that the windshield
is starting to warm up. Failure to com-
ply may result in equipment damage.
Sleeper Heater and Air
Conditioner Controls
(Option)
Unlike the cabin air temperature controls,
the sleeper temperature control will alter
the air temperature based on the knob
setting.
1. Air speed
2. Compressor
3. Temperature adjustment
The temperature control is not keyed to
specific temperatures. Turning
counterclockwise means cooler than it is
now. Clockwise means warmer than it is
now. Once the desired temperature is
reached, the system will maintain it
automatically. A separate switch on the
dash HVAC unit will send power to the
"bunk" or sleeper control unit the button on
the cab HVAC unit must be pressed and in
the ON mode to use the sleeper controls.
NOTE
The sensor is located on the sleeper
HVAC control panel and measures the
sleeper air temperature at the panel.
There will be a time delay between
temperature control adjustment and
sleeper air temperature change. Also,
be careful of any heat source which
could affect the air temperature by the
sensor. Avoid hanging items (shirt,
jacket, hat, etc.) which could block the
airflow to the sensor.
Sleeper Alarm Clock
1. Alarm - press to turn on the alarm
2. Snooze - press to snooze the
alarm bell
3. Dimmer/brighter - press to make
display brighter
4. Dimmer/darker - press to make
display less bright
5. Increase value of setting
6. Decrease value of setting
7. Select - press to choose the setting
being changed while adjusting the
either the time or the alarm
CONTROLS - Sleeper Heater and Air Conditioner Controls (Option)
Y53-6076-1D1 (09/20) 109
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