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Peterbilt ComfortClass Operator's Manual - Peterbilt Motors Company

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PART 3: HEATING AND AIR CONDITIONING SYSTEM<br />

Using the Heater<br />

Follow the steps to properly start and operate the heater.<br />

Figure -95<br />

Figure -98<br />

Heating Mode<br />

Red Bands<br />

Heat ON Position<br />

Air Conditioning/Heating Switch<br />

PB00016<br />

Temperature Control Dial<br />

PB00017<br />

Figure -96<br />

Step 1: Turn the Air Conditioning/Heating Switch to the<br />

Heater ON position.<br />

Figure -97<br />

i<br />

NOTE: A flashing RED lamp indicates a system<br />

fault. Contact the nearest authorized repair facility.<br />

Figure -99<br />

Step 2: Turn the Temperature Control Dial clockwise to the<br />

Heating Mode. Turning the dial in a clockwise direction<br />

(red band on dial) increases both the temperature and the<br />

Fuel-Fired Heater fan speed simultaneously. Turn the knob<br />

clockwise to increase the temperature or counterclockwise<br />

to decrease the temperature. Once the desired temperature<br />

is reached, the system will maintain it automatically.<br />

The dial is not calibrated to specific temperatures.<br />

R(09/07) Y53-6017 – 29 –

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