Air Shutter Setting - Majestic MERC32VN Installation Manual

E. Air Shutter Setting
Air shutter settings should be adjusted by a qualifi ed in-
staller at the time of installation. The air shutter is set at
the factory for minimum vertical vent run. Adjust air shut-
ter for longer vertical runs.
NOTICE: If sooting occurs, provide more air by opening
the air shutter.
Air Shutter Settings
Model Gas Type
MERC32IN NG
MERC32IL Propane
MERC32VN NG
MERD32VL Propane
Majestic • MERC32IN, MERC32IL, MERC32VN, MERC32VL Installation Manual • 2401-980 Rev. C • 11/16
Setting
3/16 in.
1/2 in.
3/16 in.
1/2 in.
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