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111640-01B
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For more information, visit www.desatech.com
For more information, visit www.desatech.com
INSTALLATION
Check Gas Type
Installation and Clearances
INSTALLATION
WARNING: A qualified service person must in-
stall heater. Follow all local codes.
WARNING: Before installing in a solid fuel burn-
ing fireplace, the chimney flue and firebox must be
cleaned of soot, creosote, ashes, and loose paint by
a qualified chimney cleaner. Creosote will ignite if
highly heated. A dirty chimney flue may create and
distribute soot within the house. Inspect chimney
flue for damage. If damaged, repair flue before oper-
ating heater.
WARNING: Seal any fresh air vents or ash clean-
out doors located on floor or wall of fireplace. 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 10.
• in a recreational vehicle
• where curtains, furniture, clothing, or other flam-
mable objects are less than 42 inches 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, tobacco 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 venti-
lation air may cause mildew to form from too much moisture. See
Air for Combustion and Ventilation, pages 4 through 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.
INSTALLATION AND CLEARANCES
(Vent-Free Operation Only)
NOTICE: State or local codes may only allow opera-
tion of this appliance in a vented configuration. Check
your state or local codes.
WARNING: If optional hand-held remote acces-
sory has been installed, make sure the selector switch
is in the OFF position before installing heater.
WARNING: Maintain the minimum clearances. If
you can, provide greater clearances from floor, ceil-
ing, and adjoining wall.
NOTICE: This heater is intended for use as supple-
mental heat. Use this heater along with your primary
heating system. Do not install this heater as your
primary heat source. If you have a central heating
system, you may run system’s circulating blower
while using heater. This will help circulate the heat
throughout the house. In the event of a power outage,
you can use this heater as your primary heat source.
Carefully follow the instructions below. This will ensure safe
installation into a masonry, UL127-listed manufactured fireplace,
or listed vent-free firebox.
LOG SIZING REQUIREMENTS
Minimum Firebox Size
Log
Front
Rear
Size Height Depth Width Width*
24"
17"
13"
28"
21"
MINIMUM FIREPLACE
CLEARANCE TO
COMBUSTIBLE MATERIALS
Log Size
Side Wall
Ceiling
24"
16"
42"
*Measured at 13" depth