www.desatech.com
111035-01F
9
CAUTION: This heater cre-
ates warm air currents. These
currents move heat to wall sur-
faces next to heater. Installing
heater next to vinyl or cloth wall
coverings or 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 heater. Call dealer where you bought
heater for proper type heater.
WARNING: This appliance
is equipped for natural or pro
-
pane/LP gas. 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.
INSTALLATION
Continued
LOG SIZING REQUIREMENTS
Log
Minimum Firebox
Size
Height Depth Front
Rear *
Width Width
18"
17"
14"
4"
0"
4"
17"
14"
8"
1"
30"
17"
14"
34"
4"
36"
17"
14"
40"
30"
* Measured at 14" depth.
MINIMUM FIREPLACE CLEARANCE TO
COMBUSTIBLE MATERIALS
Log Size
Side Wall
Ceiling
18", 4",
16"
4"
30" and 36"
Figure 4 - Minimum Clearance for
Combustible to Wall
*Minimum 16" from Side Wall
*
Example
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 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 opening
to the ceiling should not be less than 42".
