Design Dynamics PFS VF-18P-MHD - Manual (Page 10)

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Figure 6 - Minimum Mantel Clearances Without Using Hood
Minimum
Noncombustible
Material
Minimum
Noncombustible
Material Height
Distances to
Underside of
Mantel
Top of
Fireplace
Opening
Underside
of Mantel
Shelf
Mantel Shelf
12"
( A)
18" 20" 22" 24"
All
minimum
distances
are in
inches
2 1 /
2
"
6"
8"
10"
INsTallaTIoN
Continued
Figure 5 - Heat Resistant Material (Slate, Marble, Tile, etc.) Above Fireplace
Figure 7 - Minimum Mantel Clearances When Using Hood
Minimum
Noncombustible
Material
8"
Min.
12" 15" 18" 20"
2½"
6"
8"
10"
12"
Distances to
Underside of
Mantel
Hood
(GA6050 or
GA6053)
Top of
Fireplace
Opening
Underside
of Mantel
Shelf
Mantel Shelf
Noncombustible
Material Distance
(A) Requirements for Safe Installation
12" or more Noncombustible material OK
Between 8" and
12" Install fire place hood accessory ( see
Accessories, page 25).
Less than 8 Noncombustible material must be ex-
tended to at least 8". See Between 8"
and 12", above. If you cannot extend
material, you must operate heater
with flue damper open.