ADF 1000NMV-B, Owner'S Manual, Page: 18 / 36

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The minimum Ventilation area must be included below the base of the heater and below the cap ( 9
and 10). The ventilation is shown in the front as the dimensions at L. If an alternative ventilation
position is required, ample free air flow must have access to the ventilation from outside the cavity.
The total vent area must be included below the base of the firebox, and at the top below the ceiling cap
height of the chimney chase.
STEP 3. STEP 4.