To Cool
1. Push the Fresh Air/Recirculation
Switch to the Fresh Air mode (Blue
indicator light off). Manually setting
the system to recirculate air will
increase the effectiveness and
uses the least amount of fuel.
2. Turn ON the Fan Control Dial to the
desired fan speed.
3. Turn Temperature Dial to Desired
Setting.
4. Turn the Air Flow Control Dial to
Dash Vents.
5. If the outside air is not cold enough
to cool the cab, press to engage
the compressor which will deliver
colder air.
6. For more cooling effect, you may
need to press the switch back to
recirculation mode.
To Heat
1. Turn the Fan Control Dial ON to the
desired fan speed.
2. Turn the Air Flow Control Dial to
Floor Vents.
3. Adjust the Temperature Control
Dial clockwise until the air
temperature feels comfortable.
4. Using this function in "manual"
mode will provide the maximum
heating performance.
To Dehumidify
1. Push the Fresh Air/Recirculate
Switch to the Fresh Air mode (Blue
indicator light off).
2. Turn ON the Air Conditioning
Switch (Blue indicator light on).
3. Turn ON the Fan Control Dial to the
desired fan speed.
4. Adjust the Temperature Control
Dial until the air temperature feels
comfortable.
5. The air conditioner removes
moisture from the air while the
heater heats the air.
To Defog and Defrost the
Windshield
1. Turn the Fan Control Dial clockwise
to the highest fan speed.
2. Turn the Air Flow Control Dial to
Defrost Vents.
3. Fresh air and air conditioning are
automatically turned ON.
4. Adjust the Temperature Control
Dial clockwise to full heat.
CONTROLS - How to Manually Control the Air Conditioner for the Cab
108 Y53-6076-1D1 (09/20)
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