Automatic Combustion Control (Acc) - Heatilator Constitution C40-C Owner's Manual

1. Automatic Combustion Control (ACC)

The automatic combustion control system allows you to
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the combustion air control to the desired burn level.
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maintaining the desired heat output.
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slide the combustion air control all the way to the right,
the ACC will not be activated.
NOTICE: If reloading a bright, hot coal bed for longer
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Burn dry, well seasoned wood.
NOTICE: To establish your settings, always begin with
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move it to the right for your desired setting.
IMPORTANT! As you move the combustion air control
to the RIGHT, you will feel resistance about three-
fourths of the way. You must move past that resistance
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Lower Access Panel
Figure 3.4 Automatic Combustion Control (ACC)
2. ACC Override
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ride the setting of the automatic combustion air control.
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be slowed, remove the bottom access panel by lifting
it up and pulling it off. To close down the air supply for
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10 Heatilator • C40-C Constitution Owner's Manual • 4186-900 • Rev H • 1/24
Automatic Combustion
Air Control Handle (ACC)
Left-Low Right-High
Low Meet ACC Fully
Position Resistance Engaged
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also. Reinstall the access panel.
Slide linkage to the left
Closed off
Figure 3.5 ACC Override
3. Outside Air
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Allow unit to cool down before closing.
A source of air (oxygen) is required in order for com-
bustion to take place.
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by lifting it up and pulling it off.
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the handle up and pull out to open the door (push-
ing the handle in will close the door).
3. Reinstall the bottom access panel.
Figure 3.6 Outside Air Control Handle
Outside Air Control Handle
shown in closed position