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Heat & Glo • CFL-18/24/30-B, ST-CFL-24 • 526-900 Rev. F • 7/05
15
1.0 INTRODUCTION
CAUTION: CHECK THE CONSTRUCTION OF
THE FIREPLACE BEFORE INSTALLING THE GAS
LOG SET. THE AREA OF THE FLUE SHOULD NOT
BE LESS THAN 1/11 THE AREA OF THE FIREPLACE
OPENING NON-AIRTIGHT GLASS DOORS SHOULD
BE INSTALLED ON THE FIREPLACE IF THE AREA
OF THE FLUE IS LESS THAN 1/11 THE AREA OF THE
FIREPLACE OPENING.
CAUTION: To minimize the possibility of spillage
and to maximize proper draft, position the log set as
close to the back of the fireplace as possible. The ST-
CFL-24 log set should be positioned in the center of
the unit.
The installation, including provisions for combustion and
ventilation air, must conform with the National Fuel Gas
Code ANSI Z223.1 (in the United States), the CAN/
CGA B-149 Installation Code (in Canada) and appli-
cable local building codes.
These models can be installed in a bedroom (in the
United States) which has a total volume of unconfined
space appropriate to the particular installation. Refer
to the National Fuel Gas Code ANSI Z223.1/NFPA 54-
(current edition). The Uniform Mechanical Code (cur-
rent edition), and Local Building Officials for the options
allowed in obtaining an effective bedroom volume of un-
confined space.
Always keep the appliance area clear and free from
combustible materials, gasoline, and other flammable
vapors and liquids.
Do not use this appliance if any part has been under
water. Immediately call a qualified service technician to
inspect the unit and to replace any part of the control
system and any gas control which has been under water.
WARNING: THIS UNIT IS NOT FOR USE WITH
SOLID FUEL. SOLID FUELS SHALL NOT BE
BURNED IN A FIREPLACE WHERE A DECORATIVE
APPLIANCE IS INSTALLED.
The information in this manual pertains to Models CFL-
18 NG/LP-B, CFL-24 NG/LP-B, CFL-30 NG/LP-B and
ST-CFL-24NG/LP.
Gas Log Sets are Decorative Gas Appliances for Instal-
lation in a Solid-fuel Burning Fireplace. Minimum fire-
place sizes for these models are shown in Figures 1, 2,
3 and 4.
WARNING: This log set must NOT be installed in
an unvented appliance.
This log set is to be installed only in a solid-fuel burn-
ing fireplace with a working flue and one constructed
of noncombustible material. The minimum permanent
vent opening provided by the fireplace chimney damper
to vent the flue products must not be less than 51
square inches (328cm
2
). The chimney damper MUST
be fixed in a manner to maintain the minimum perma-
nent vent opening. This may be accomplished by fas-
tening the damper stop clamp provided to the edge of
the damper to prevent its closing.
WARNING: OPEN THE CHIMNEY DAMPER TO
ITS FULLY OPEN POSITION WHEN BURNING THIS
GAS LOG SET.
WARNING: LOGS MUST NEVER BE BURNED
WITHOUT THE FLUE DAMPER IN THE FULL OPEN
POSITION. FAILURE TO DO SO IS DANGEROUS
TO YOUR HEALTH AND VOIDS ALL WARRANTIES.
WARNING: ALL GAS APPLIANCES PRODUCE
SOME CARBON MONOXIDE WHEN OPERATED.
CARBON MONOXIDE IS A COLORLESS, ODOR-
LESS, POISONOUS GAS. ADEQUATE PROVISIONS
MUST BE MADE TO PROVIDE COMBUSTION AIR
FOR THIS GAS LOG SET. IF OUTSIDE AIR IS NOT
INCLUDED IN THE FIREPLACE, IT MAY BE NEC-
ESSARY THAT AN ADDITIONAL COMBUSTION AIR
SOURCE BE PROVIDED.
2.0 ASSEMBLY
CAUTION: WHEN INSTALLING THIS LOG SET IN
A FACTORY BUILT FIREPLACE, BE CERTAIN TO
CONSULT THE FIREPLACE INSTALLATION
MANUAL. ALL KNOCKOUTS IN THE FIREPLACE
THROUGH WHICH THE GAS SUPPLY LINE IS RUN
MUST BE RESEALED WITH INSULATION AFTER
THE GAS LINE IS IN PLACE.
These models contain complete gas-burner, grate(s),
and log components needed. Use caution when han-
dling logs to avoid damage. Position the gas-burner
assembly to the rear of the fireplace. The ST-CFL-24 log
set should be positioned in the center of the unit. Once
fully assembled, the front log will extend forward of the
burner assembly.
A. Run proper size gas line into fireplace. A 1/2 inch
(13mm) gas line, with a 3/8 inch (10mm) reduction for
hook-up, is usually sufficient for the Gas Log set; how-
ever, if the run is unusually long, a larger line may be
required. Contact your local gas company or Depart-
ment of Building and Safety if there are any questions.