Design Dynamics VF-18N-MHD Gas Heater User Manual


 
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116986-01H10
Figure 6 - Minimum Mantel Clearances Without Using Hood
Minimum
Noncombustible
Material
Minimum
Noncombustible
Material Height
Distances to
Underside of
Mantel
T o p 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

Material Distance


12" or more Noncombustible material OK
Between 8" and
12"
Install re 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 ue damper open.