Heating, Sleeper Heater and Air Conditioner

cen dm 04.01.006
  1. With the engine at operating temperature, set the bunk fan switch on the cab climate control panel to the middle position. See Fig..
    When the bunk fan switch in the middle position, full control is given to the sleeper heater and air conditioner climate control panel. The bunk fan is off when the bunk fan switch is in the OFF position. The bunk fan is on high when the bunk fan switch is in the HI position.

    1. Fan Switch

    2. Air Selection Switch

    3. Temperature Control Switch

    4. Fresh Air/Recirculation Switch

    5. Bunk Fan Switch

    Fig. 1, Climate Control Panel, Heater Only

    2. Note: Whenever the refrigerant compressor is operating, the fan will always run at a very low speed, even with the fan switch in the off position. This prevents ice from forming on the evaporator, especially during humid weather.

  2. Turn the temperature control switch all the way clockwise to heat. Turn the fan switch to position 3. See Fig..

    1. Temperature Control Switch

    2. Fan Switch

    Fig. 2, Sleeper Climate Control Panel

  3. When the sleeper compartment heats to the desired temperature, turn the temperature control switch counterclockwise to adjust outlet air temperature. Then, turn the fan switch to adjust the air flow level.
    The system will automatically maintain the selected outlet air temperature.
  4. When heat is not desired, turn the temperature control switch counterclockwise and turn the fan off.

    Important: To prevent the buildup of fumes or odors inside the sleeper (for example, from smoking) do not operate the heater and air conditioning system in a recirculation mode for more than 20 minutes.

Note:
Parent topic: Water-Valve-Controlled Heater and Air Conditioner System
Document Number: 0000118308
Manual Publication Date: 2024-05-13
Topic Publication Date: 2024-06-06