Vanguard FLAME-MAX Operating And Installation Manual page 8

VANGUARD FLAME-MAX
UNVENTED NATURAL GAS LOG HEATER
INSTALLATION
Continued
NOTICE: Manual control heaters
may be used as a vented product.
If so, you must always run heater
with chimney flue damper open.
If running heater with damper
open, noncombustible material
above fireplace opening is not
needed. Go to Installing Damper
Clamp Accessory for Vented Op-
eration , page 10.
Minimum Noncombustible
Material Clearances
If Not Using Mantel
Note: If using a mantel, proceed to If Using
Mantel. If not using a mantel, follow the
information below.
You must have noncombustible material(s)
above the fireplace opening. Noncombus-
tible materials (such as slate, marble, tile,
etc.) must be at least 1/2 inch thick. With
sheet metal, you must have noncombustible
material behind it. Noncombustible mate-
rial must extend at least 8" up (for all mod-
els). If noncombustible material is less than
12", you must install the fireplace hood
accessory (24", 30" and 36" models only).
See Figure 5 for minimum clearances.
IMPORTANT: If you cannot meet these
minimum clearances, you must operate
heater with chimney flue damper open. Go
to Installing Damper Clamp Accessory for
Vented Operation, page 10.
If Using Mantel
You must have noncombustible material(s)
above the fireplace opening. Noncombus-
tible materials (such as slate, marble, tile,
etc.) must be at least 1/2 inch thick. With
sheet metal, you must have noncombustible
material behind it. Noncombustible mate-
rial must extend at least 8 inches up (for all
models). If noncombustible material is less
than 12", you must install the fireplace hood
accessory (24", 30" and 36" models only).
Noncombustible
Material Distance (A)
12" or more
Between 8" and 12"
Less than 8"
Heat Resistant
Material
Figure 5 - Heat Resistant Material (Slate, Marble, Tile, etc.) Above Fireplace
8
®
Even if noncombustible material is more
than 12", you may need the hood accessory
to deflect heat away from your mantel shelf.
See Figure 5 and Figures 6 and 7 on page 9
for minimum clearances.
IMPORTANT: If you cannot meet these
minimum clearances, you must operate
heater with chimney flue damper open. Go
to Installing Damper Clamp Accessory for
Vented Operation, page 10.
Requirements for
Safe Installation
Noncombustible material OK.
24", 30", or 36" Models: Install fireplace hood ac-
cessory (GA6050, GA6052 or GA6053, see Acces-
sories, page 29).
18" Model: Noncombustible material OK.
Noncombustible material must be extended to at
least 8". See Between 8" and 12" , above. If you
cannot extend material, you must operate heater
with flue damper open.
(A)
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