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CHECK GAS TYPE
Use the correct gas type (natural or propane/
LP) for your unit. If your gas supply is not
correct, do not install in fireplace. Call dealer
where you bought the appliance for proper
type of appliance.
WARNING: This appliance is
equipped for either natural gas
or propane/LP gas but not both.
Gas type is indicated on the rat-
ing plate. Field conversion is not
permitted.
INSTALLATION AND CLEARANCES
FOR VENT FREE OPERATION
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
Ceiling
Floor
LOG SIZING REQUIREMENTS
Minimum Firebox Size
Log
Size
Height
18"
18"
24"
18"
*Measured at 14" depth.
Allow adequate clearances for accessibility for
purposes of servicing and proper operation
Carefully follow the instructions below. This
will ensure safe installation into 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.
10
INSTALLATION
16"
42"
5"
Front
Depth
Width
14"
30"
14"
35"
www.desatech.com
Continued
Example: The face of a mantel, bookshelf,
etc. is made of combustible material must
be 4" from the side of the fireplace to the
cabinet (see Figure 4).
B. Clearances from top of fireplace opening
to ceiling should not be less than 42".
NOTICE: Non thermostat con-
trolled heaters may be used as
a vented product. If so, you must
always run heater with chimney
flue damper open and damper
clamp installed. If running heater
with damper open, noncombus-
tible material above the fireplace
opening is not needed. Go to
Installing Damper Clamp Ac-
cessory for Vented Operation,
page 12.
Example
*Minimum 16" from Side Wall
Rear
Figure 4 - Minimum Clearance for
Width
20.5"
Minimum Noncombustible Material
24.5"
Clearances
If Not Using Mantel
Note: If using a mantel proceed to If Using
Mantel, page 11. If not using 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 noncombustible material be-
hind it. Noncombustible material must extend
at least 8" up (for all models). If noncombus-
tible material is less than 12", you must install
the fireplace hood accessory (24" Models
Only). See Figure 5, page 11, for minimum
clearances.
Combustible to Wall
*
116412-01E
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