E. Air Shutter Setting
Air shutter settings should be adjusted by a qualifi ed ser-
vice technician at the time of installation. The air shutter is
set at the factory for minimum vertical vent run. Adjust air
shutter for longer vertical runs. See Figure 9.1.
NOTICE: If sooting occurs, provide more air by opening
the air shutter.
Figure 9.1 Air Shutter
Air Shutter Settings
MDVI30IN
MDVI35IN
MDVI30IL
MDVI35IL
Majestic • MDVI30IN, MDVI35IN, MDVI30IL, MDVI35IL Installation Manual • 2205-980 Rev. H • 12/16
3/8 in.
3/8 in.
1/2 in.
1/2 in.
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