83D4009
VLI31 Fireplace Insert
35
AIR ShutteR ADjuStMeNt (NAtuRAL GAS ONLy)
ADjuSt 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. The burner on
Natural Gas models may be adjusted for high altitude as follows:
•
To increase air mixture, open the shutter more. This will reduce soot formation.
Figure
40
•
To decrease air mixture, close the shutter. Flames will be more yellow.
Figure 41
FP1940
air shutter part open
Air Shutter
FP1940
Figure 40 -
Push Adjustment Lip Up to Open Air Shutter
FP1941
air shutter fully open
Air Shutter
FP1941
Figure 41 -
Pull Adjustment Lip to Close Air Shutter
Содержание VLI31DVN
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