Superior VD1824NM Installation And Operation Instructions Manual page 10

NOTE: When installing your gas logs into
a manufactured fi rebox, follow fi rebox
manufacturer's instructions for minimum
clearances to combustible materials.
B. Clearances from the top of the fi replace
opening to the ceiling should not be less
than 42".
NOTICE: Manual control appliances
may be used as a vented product. If
so, you must always run appliance
with chimney fl ue damper open. If
running appliance with damper open,
noncombustible material above fi re-
place opening is not needed. Go to
Installing Damper Clamp Accessory
(Required For Vented Applications),
Page 12.
Example
*Minimum 16" from Side Wall
Figure 4 - Minimum Clearance for
Combustible to Wall
MINIMUM NONCOMBUSTIBLE
MATERIAL CLEARANCES
If Not Using Mantel
NOTE: If using a mantel, proceed to If Us-
ing Mantel. If not using a mantel, follow the
information below.
You must have noncombustible material(s)
above the fi replace opening. Noncombustible
materials (such as slate, marble, tile, etc.)
must be at least 1/2" thick. With sheet metal,
you must have noncombustible material be-
hind it. Noncombustible material must extend
at least 12" up (for all models). See Figure 5
for minimum clearances.
10
INSTALLATION
Continued
Noncombustible
Material Distance (A)
12" or more
Between 8"
and 12"
Less than 8"
*
Figure 5 - Heat Resistant Material (Slate,
Marble, Tile, etc.) Above Fireplace
If Using Mantel
You must have noncombustible material(s)
above the fi replace opening. Noncombustible
materials (such as slate, marble, tile, etc.) must
be at least 1/2" thick. With sheet metal, you
must have noncombustible material behind it.
Noncombustible material must extend at least
8 inches up (for all models). If noncombustible
material is less than 12", you must install the
fi replace hood accessory. Even if noncombus-
tible material is more than 12", you may need
the hood accessory to defl ect heat away from
your mantel shelf. See Figures 5-7, on Pages
10-11) for minimum clearances.
IMPORTANT: If you cannot meet these mini-
mum clearances, you must operate heater
with chimney fl ue damper open. Go to Install-
ing Damper Clamp Accessory (Required For
Vented Applications), Page 12.
SuperiorFireplaces.US.com
Requirements for Safe
Installation
Noncombustible mate-
rial OK.
Install fi re place hood ac-
cessory (GA6050 - see
Ac ces so ries, Page 37).
Noncombustible material
must be extended to at
least 8". See Be tween
8" and 12", above. If you
cannot extend material,
you must operate appli-
ance with flue damper
open and damper clamp
installed.
Heat Resistant
Material
(A)
126838-01C