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34922 Rev B 22 12-01
T4800 INSTALLATION INSTRUCTIONS
NOTE: Save and pass this instruction manual to subsequent home owners. The informa-
tion provided is intended to notify and warn them about making unsafe future modifica-
tions such as the addition of shelves or the use of unauthorized parts and repairs.
WARNING!
DO NOT operate this fireplace with the flue
damper in the closed position. Combustion
products must vent up the chimney system to
prevent carbon monoxide poisoning, and to
prevent hot combustion gases from contacting
and overheating combustible surfaces. Failure
to operate this fireplace with the damper in the
open position may result in asphyxiation or a
structure fire.
CAUTION:
Fireplace operation does require air. Do not take
air from other fuel burning appliances which can
result in improper venting (smoking) or air dilu-
tion. Always provide adequate makeup air.
H. OPERATING INSTRUCTIONS
1. General Information
This fireplace is intended to operate as a
supplemental heat source for a single room. It is not
designed to function as a primary heat source for a
structure.
Fireplaces, as well as other woodburning appliances,
have been used safely for many years. It has been
our experience that most problems are caused by
improper installation and operation of the unit. Make
certain that installation and operation of the fireplace
system is in accordance with these instructions.
It is extremely important that the fire be supervised
whenever the fireplace is in use. It is also
recommended that an annual inspection be
performed on the fireplace system to determine if the
flue system needs to be cleaned, or as in the case of
any appliance, if minor repairs are required to
maintain the system in top operating condition.
This factory-built fireplace is intended for use with
either solid fuel (firewood) or a decorative gas
appliance that has been tested and listed to the
Standard for Decorative Gas Appliances for
Installation in Vented Fireplaces, ANSI Z21.60. When
operating your fireplace, the flue damper must be in
the open position.
This fireplace was not tested and listed for use with
an unvented gas log heater. Do not install an unvented
gas log heater in this fireplace and operate it with the
flue damper in the closed position unless the
unvented gas log heater has been specifically tested
and listed for use in this fireplace by Underwriters
Laboratories Inc.
Use of an unvented gas log heater in this factory-
built fireplace may create a fire hazard that can
result in a structure fire.
2. Outside Air
A source of air (oxygen) is required in order for
combustion to take place. Whatever air is consumed
by the fire must be replaced through cracks around
windows, under doors, etc. Most newly constructed
houses or existing homes fitted with tightly sealed
doors and windows are relatively air tight. In this case,
an outside air source must be made available to feed
combustion air from outside the home.
A damper control handle allows you control of the
outside air inlet if your fireplace is equipped with this
option. Use of outside air for combustion is highly
recommended to conserve heated air within the
structure and to provide make up air to keep the
fireplace venting properly.
This fireplace will operate correctly only if adequate
ventilation is provided to allow proper draft to the
fireplace system. Hearth Technologies Inc. assumes
no responsibility for the improper performance of the
fireplace system caused by inadequate draft due to
environmental conditions, down drafts, tight sealing
construction of the structure, or mechanical
exhausting devices which create a negative air
pressure within the structure where the fireplace is
located.
3. Flue Damper
The flue damper must be in a full open position, and
is operated by moving the handle up toward the top
of the fireplace. Before lighting the fire, verify this by
looking up from the inside of the fireplace. Always
operate this fireplace with the damper fully open.
Please note: down drafts, obstructions, damaged or
poor (wet) fuels can cause smoke spillage.