Superior MNF24ONM Installation And Operation Instructions Manual page 5

MINIMUM FIREPLACE CLEARANCE TO COMBUSTIBLE
MATERIALS
Side Wall 16", Ceiling 42"
Floor 5", Front: 36"
LOG SIZING REQUIREMENTS
Log
Size
Height
LMF24GTA/B
29"
LMF24MOA/B
LMF30GTA/B
29"
LMF30MOA/B
LMF36GTA/B
29''
LMF36MOA/B
* When optional MFEB (MAGNIFLAME EMBER BURNER KIT) is
used with these burner systems, the minimum fi rebox sizes are
different. See MFEB instructions for minimum fi rebox sizes if this
accessory is used.
Carefully follow the instructions below. This will ensure safe
installation into a masonry, UL127-listed manufactured fi re-
place or listed outdoor fi rebox.
Minimum Clearances For Side Combustible Material,
Side Wall and Ceiling
A. Clearances from the side of the fi replace cabinet to any
combustible material and wall should follow diagram in
Figure 2.
Example: The face of a mantel, bookshelf, etc. is made of
combustible material and protrudes 3-1/2" from the wall.
This combustible material must be 4" from the side of the
fi replace cabinet (see Figure 2).
NOTE: When installing your gas logs into a manufactured
fi rebox, follow fi rebox manufacturer's instructions for mini-
mum clearances to combustible materials.
B. Clearances from the top of the fi replace opening to the ceil-
ing should not be less than 42".
Example
*Minimum 16" from Side Wall
Figure 2 - Minimum Clearance for Combustible to Wall
900465-01A
INSTALLATION
Minimum Firebox Size
Front Rear*
Depth
Width Width
15.5" 32.5" 22.75"
15.5" 39" 26.75"
20'' 47'' 33''
*
SuperiorFireplaces.us.com
Continued
Minimum Noncombustible Material Clearances
If Not Using Mantel
NOTE: If using a mantel proceed to If Using Mantel. If not
using a mantel, follow these instructions.
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" up (for all models). If noncom-
bustible material is less than 12", you must install the fi replace
hood accessory. See Figure 3 for minimum clearances.
Noncombustible
Material Distance
(A)
12" or more
Between 8" and 12"
Less than 8"
Figure 3 - Heat Resistant Material (Slate, Marble, Tile,
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. Noncombus-
tible material must extend at least 8" up (for all models). If
noncombustible material is less than 12", you must install the
fi replace hood accessory. Even if noncombustible material is
more than 12", you may need the hood accessory to defl ect
heat away from your mantel shelf. See Figure 3 and Figures
4 and 5, Page 6, for minimum clearances.
IMPORTANT: If you cannot meet these minimum clearances,
you must operate appliance with chimney fl ue damper open.
Go to Installing Damper Clamp Accessory for Vented Opera-
tion, Page 7.
Requirements for Safe Installation
Noncombustible material OK.
Install fi replace hood accessory
(GA6050 - see Accessories, Page 23).
Noncombustible material must be ex-
tended to at least 8". See Between 8"
and 12", above. If you cannot extend
material, you must operate appliance
with fl ue damper open.
Heat Resistant
Material
(A)
etc.) Above Fireplace
5