Superior TF18NV Installation And Operation Instructions Manual page 9

Unvented (vent-free) gas log heater
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WARNING: Before installing in
a solid fuel-burning fi replace, the
chimney fl ue and fi rebox must be
cleaned of soot, creosote, ashes and
loose paint by a qualifi ed chimney
cleaner. Creosote will ignite if highly
heated. A dirty chimney fl ue may
create and distribute soot within the
house. Inspect chimney and fi rebox
fl ue for damage. If damaged, repair
fl ue and fi rebox before operating
appliance.
WARNING: Never install the
appliance
• in a bedroom or bathroom
• in a recreational vehicle
• where curtains, furniture, clothing
or other fl ammable objects are less
than 36" from front, 42" from top of
appliance; for side clearances see
Figure 4, Page 10
• in high traffi c areas
• in windy or drafty areas
CAUTION: This appliance creates
warm air currents. These currents
move heat to wall surfaces next
to appliance. Installing appli-
ance next to vinyl or cloth wall
coverings or operating appliance
where impurities (such as, but
not limited to, tobacco smoke,
aromatic candles, cleaning fl uids,
oil or kerosene lamps, etc.) in the
air exist, may discolor walls or
cause odors.
IMPORTANT: Vent-free appliances add
moisture to the air. Although this is benefi cial,
installing appliance in rooms without enough
ventilation air may cause mildew to form from
too much moisture. See Air for Combustion
and Ventilation, Page 6.
126817-01D
INSTALLATION
Continued
CHECK GAS TYPE
Use the correct type of gas (natural or propane/
LP). If your gas supply is not the correct gas
type, do not install appliance. Call dealer
where you purchased the appliance for proper
type appliance.
WARNING: This appliance is
equipped for either natural gas or
propane/LP gas but not both. Gas
type is indicated on the rating plate.
Field conversion is not permitte
INSTALLATION AND CLEARANCES
FOR VENT-FREE OPERATION
WARNING: Maintain the
minimum clearances. If you can,
provide greater clearances from
fl oor, ceiling and adjoining wall.
MINIMUM FIREPLACE CLEARANCE
TO COMBUSTIBLE MATERIALS
LOG SIZING REQUIREMENTS
Log
Size
18"
24"
30"
Carefully follow the instructions below. This
will ensure safe installation into a masonry,
UL127-listed manufactured fi replace or listed
vent-free fi rebox.
Minimum Clearances For Side Combustible
Material, Side Wall and Ceiling
A. Clearances from the side of the fi replace
cabinet to any combustible material and
wall should follow diagram in Figure 4,
Page 10.
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 fi replace cabinet (see Figure
4, Page 10).
SuperiorFireplaces.us.com
Side Wall 16", Ceiling 42"
Floor 5", Front: 36"
Minimum Firebox Size
Front
Height
Depth
Width
20"
14"
28"
20"
14"
32"
20"
14"
40"
d.
Rear*
Width
20"
22"
30"
9

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