Desa "A" Models Owner's Operation And Installation Manual page 9

Unvented (vent-free) gas log heater
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INSTALLATION
Continued
WARNING: Seal any fresh
air vents or ash clean-out doors
located on floor or wall of fire-
place. If not, drafting may cause
pilot outage or sooting. Use a
heat-resistant sealant. Do not
seal chimney flue damper.
WARNING: Never install the
heater
• in a bedroom or bathroom
unless installed as a vented
appliance, see page 12
• in a recreational vehicle
• where curtains, furniture,
clothing, or other flammable
objects are less than 42" from
the front, top, or sides of the
heater
• in high traffic areas
• in windy or drafty areas
CAUTION: This heater creates
warm air currents. These currents
move heat to wall surfaces next
to heater. Installing heater next
to vinyl or cloth wall coverings or
operating heater where impurities
(such as, but not limited to, to-
bacco smoke, aromatic candles,
cleaning fluids, oil or kerosene
lamps, etc.) in the air exist, may
discolor walls or cause odors.
IMPORTANT: Vent-free heaters add moisture to
the air. Although this is beneficial, installing heater
in rooms without enough ventilation air may cause
mildew to form from too much moisture. See Air
for Combustion and Ventilation, page 6.
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 fireplace. Call dealer where you bought
fireplace for proper type fireplace.
112471-01B
is equipped for (natural or pro-
pane/LP) gas. Field conversion
is not permitted.
INSTALLATION AND CLEARANCES
FOR VENT-FREE OPERATION
minimum clearances. If you
can, provide greater clearances
from floor, ceiling, and adjoin-
ing wall.
MINIMUM FIREPLACE CLEARANCE TO
Side Wall 16"
Log
Size
18"
24"
30"
*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).
*Minimum 16" from Side Wall
Figure 4 - Minimum Clearance for
www.desatech.com
WARNING: This appliance
WARNING: Maintain the
COMBUSTIBLE MATERIALS
Ceiling 42"
LOG SIZING REQUIREMENTS
Minimum Firebox
Height Depth
17"
14"
17"
14"
17"
14"
/
" from the wall. This combus-
1
2
Example
Combustible to Wall
Floor 5"
Front
Rear
Width
Width*
2"
20"
35"
21
/
"
1
2
42"
2"
*


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