Desa CCL3018NR EN - Manual (Page 9)

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WARNING: This appliance
is equipped for (natural or pro-
pane/LP) gas. Field conversion
is not permitted.
INSTALLATION AND CLEARANCES
(Vent-Free Operation Only)
WARNING: Maintain the
minimum clearances. If you can,
provide greater clearances from
floor, ceiling and adjoining wall.
MINIMUM FIREPLACE CLEARANCE
TO COMBUSTIBLE MATERIALS
Side Wall 16" Ceiling: 42"
LOG SIZING REQUIREMENTS
Minimum Firebox
Log Front Rear *
Size Height Depth Width Width
18" 17" 13" 28" 20"
24" 17" 13" 28" 21"
30" 17" 13" 34" 24"
* Measured at 13" 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 1 /
2
" from the wall. This combus-
tible material must be 4" from the side of the
fireplace opening (see Figure 4).
Note: When installing your gas logs into
a manufactured firebox, follow firebox
manufacturerʼs instructions for minimum
clearances to combustible materials.
B. Clearances from the top of the fireplace
opening to the ceiling should not be less
than 42 inches.
INSTALLATION
Continued
Figure 4 - Minimum Clearance for
Combustible to Wall
*Minimum 16 inches from Side Wall
*
Example
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 11.
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 infor-
mation below.
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 acces-
sory (24" and 30" 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 11.