Air Shutter Adjustment - Monessen Hearth ICFDV30LNTSC Installation And Operating Instructions Manual

AIR ShuTTeR ADjuSTMeNT (NATuRAL GAS ONLy)
ADjuST The AIR ShuTTeR
The venturi under the burner is equipped with an air shutter. The opening of the venturi has been
set at 3/16" for Natural Gas and fully open for Propane installation at sea level. The burner on
Natural Gas models may be adjusted for high altitude as follows:
To access the air shutter, remove three (3) screws securing burner to engine base and slide burner
to the left or remove from firebox.
•
To increase air mixture, loosen the screw to open the shutter more. This will reduce soot
formation. Figure 43
•
To decrease air mixture, loosen the screw to close the shutter. Flames will be more yellow.
Figure 43
Figure 43 -

Air Shutter Adjustment

20304164
Burner
Pilot Assembly
Venturi
FP2963
venturi
FP2963
Air Shutter
Adjustment
Screw
ICFDV Fireplace Insert
35