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108382-01D
7
7
For more information, visit www.desatech.com
For more information, visit www.desatech.com
INSTALLATION AND CLEARANCES
(Vent-Free Operation Only)
WARNING: Maintain the minimum clearances. If
you can, provide greater clearances from floor, ceil-
ing, and adjoining wall.
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
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.
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 only the correct type of gas (natural or propane/LP). If your gas
supply is not the correct gas type, do not install heater. Call dealer
where you bought heater for proper type heater.
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.
LOG SIZING REQUIREMENTS
Log Minimum Firebox
Size Height Depth Width
27" 17" 19" 32"
MINIMUM FIREPLACE CLEARANCE TO
COMBUSTIBLE MATERIALS
Log Size Side Wall Ceiling
27" 16" 42"
NOTICE: State or local codes may only allow opera-
tion of this appliance in a vented configuration. Check
your state or local codes.
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 Mate-
rial, Side Wall, and Ceiling
A. Clearances from the side of the fireplace cabinet to any com-
bustible 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
combustible material must be 4" from the side of the fireplace
cabinet (see Figure 4, page 8).
Note:
When installing your gas logs into a manufactured firebox,
follow firebox manufacturer’s instructions for minimum clear-
ances to combustible materials.
B. Clearances from the top of the fireplace opening to the ceiling
should not be less than 42 inches.
INSTALLATION
Check Gas Type
Installation and Clearances