www.desatech.com
111035-01F
10
Figure 5 - Heat Resistant Material (Slate,
Marble, Tile, etc.) Above Fireplace
Noncombustible
Material
Requirements for
Distance (A)
Safe Installation
1" or more
Noncombustible material
OK.
Between 8"
4" ,30" or 36" Models:
and 1"
Install fireplace hood
accessory (GA6050,
GA605 or GA6053 see
Accessories
, page 39).
18" Model: Noncombus-
tible material OK.
Less than 8"
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.
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
Operation
, page 12.
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 on
this page.
You must have noncombustible material(s) above
the fireplace opening. Noncombustible 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. Noncombus
-
tible material must extend at least 8" up (for all
models). 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.
If Using Mantel
You must have noncombustible material(s) above
the fireplace opening. Noncombustible materials
(such as slate, marble, tile, etc.) must be at least 1/2
inch thick. With sheet metal, you must have non
-
combustible material behind it. Noncombustible
material must extend at least 8" up (for all models).
If noncombustible material is less than 12", you
must install the fireplace hood accessory (24", 30"
and 36" Models Only). 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, page 11,
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 12.
