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INSTALLATION
Continued
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"
LOG SIZING REQUIREMENTS
Minimum Firebox
Log
Size
Height
Depth
18"
17"
24"
17"
30"
17"
* 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 cabi-
net 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 pro-
1
trudes 3
/
" from the wall. This combustible
2
material must be 4" from the side of the fire-
place opening (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
inches.
111161-01D
Ceiling: 42"
Front
Rear *
Width
Width
13"
28"
13"
28"
13"
34"
www.desatech.com
*Minimum 16 inches from Side Wall
Figure 4 - Minimum Clearance for
NOTICE: Manual control heaters
may be used as a vented prod-
uct. If so, you must always run
heater with chimney flue damper
open. If running heater with
damper open, noncombustible
material above fireplace open-
ing is not needed. Go to Install-
ing Damper Clamp Accessory for
Vented Operation, page 11.
20"
Minimum Noncombustible Material
21"
Clearances
24"
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. Noncombustible materials (such
as slate, marble, tile, etc.) must be at least 1/2 inch
thick. With sheet metal, you must have noncombus-
tible material behind it. Noncombustible material
must extend at least 8" up (for all models). If non-
combustible material is less than 12", you must in-
stall the fireplace hood accessory (24" and 30" mod-
els only). See Figure 5 for minimum clearances.
IMPORTANT: If you cannot meet these minimum
clearances, you must operate heater with chim-
ney flue damper open. Go to Installing Damper
Clamp Accessory for Vented Operation, page 11.
Example
Combustible to Wall
*
9
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