Air Shutter Adjustment - Vermont Castings Discovery VS38 Installation & Operating Instructions Manual

AIR SHUTTER ADjUSTMENT (NATURAL GAS ONLY)
ADjUSTING THE AIR SHUTTER
The venturi of the burner is equipped with an air shutter. The opening of the venturi has been set at
1/4" for Natural Gas and fully open for Propane installation at sea level. Natural Gas Models may be
adjusted for high altitude as follows:
•
To increase air mixture, push up the adjustment rod located beneath the stove. This opens the
shutter more and will stop or minimize sooting. Figure 46
•
To decrease air mixture, pull down the adjustment rod located beneath the stove. This closes the
shutter. Flames will be more yellow. Figure 47
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Figure 46 -
Push Adjustment Rod Up to
Open Air Shutter
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air shutter closed
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Figure 47 -
Pull Adjustment Rod Down to Close Air Shutter
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air shutter open
Air Shutter
Adjustment Rod
Air Shutter
Adjustment
Rod
VS38 Direct Vent Gas Stove
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