Desa LDL3924NR Owner's Operation And Installation Manual page 9

INSTALLATION
INSTALLATION AND CLEARANCES
FOR VENT-FREE OPERATION
WARNING: Maintain the
minimum clearances. If you
can, provide greater clearances
from floor, ceiling, and adjoin-
ing wall.
MINIMUM FIREPLACE CLEARANCE TO
COMBUSTIBLE MATERIALS
Log Size
4" and 30"
LOG SIZING REQUIREMENTS
Log
Height Depth
Size
4" 17"
30" 17"
* Measured at 14" depth.
Carefully follow the instructions below. This will
ensure safe installation into a masonry, UL127-
listed manufactured fireplace, or listed vent-free
firebox.
Minimum Clearances For Side
Combustible Material, Side Wall, and
Ceiling
A. Clearances from the side of the fireplace
cabinet to any combustible material and wall
should follow diagram in Figure 4.
Example: The face of a mantel, bookshelf,
etc. is made of combustible material and
protrudes 3
tible material must be 4" from the side of the
fireplace cabinet (see Figure 4).
Note: When installing your gas logs into
a manufactured firebox, follow firebox
manufacturer's instructions for minimum
clearances to combustible materials.
B. Clearances from the top of the fireplace open-
ing to the ceiling should not be less than 42".
Available from Allparts Equipment and Accessories - 1-877-475-5660 - www.allpartsinc.com
Continued
Side Wall Ceiling
1" 4"
Minimum Firebox
Front
Width
14" 8"
14" 34"
" from the wall. This combus-
1
/
2
Example
*Minimum 16" from Side Wall
Figure 4 - Minimum Clearance for
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
Rear *
above fireplace opening is not
Width
needed. Go to Installing Damper
1"
Clamp Accessory for Vented
4"
Operation, page 11.
Minimum Noncombustible Material
Clearances
If Not Using Mantel
Note: If using a mantel proceed to If Using Man-
tel. 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" thick. With sheet metal, you must have non-
combustible material behind it. Noncombustible
material must extend at least 8" up. If noncombus-
tible material is less than 12", you must install the
fireplace hood accessory. See Figure 5, page 10 for
minimum clearances.
Combustible to Wall