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901273-01D
4
For more information, visit www.desatech.com
For more information, visit www.desatech.com
INSTALLATION
Flue Opening Specifications
Check Gas Type
Venting Specifications for Installation
INSTALLATION
CHECK GAS TYPE
Use only natural gas. If your gas supply is not natural gas, you must
convert the appliance to propane/LP. Follow the instructions on page 7.
If the fireplace does not have a gas supply shutoff valve, one must
be installed.
VENTING SPECIFICATIONS FOR
INSTALLATION
The fireplace chimney flue and vent must be drafting properly. To
check the vent for proper drafting: Light a tightly rolled newspaper
on one end and place it at the inside front edge of the fireplace.
Observe the smoke and be sure the vent is properly drawing it up the
chimney. If the smoke spills out into the room, extinguish the flame
and remove any obstruction until proper venting is achieved.
The chimney flue damper must be fixed open to provide a minimum
of 81 sq. in. of free air opening during operation of this log set. A
multipurpose damper clamp is provided to fix the damper in position.
The minimum flue sizes shown in Figure 2 are based on a 6'
chimney height using round pipe. Your minimum flue size will
vary based on input rate and chimney height. Refer to the National
Fuel Gas Code ANSI Z223.1/NFPA 54, Section 6.6, for details.
CAUTION: Do not remove the data plates at-
tached to the burner pan. The data plates contain
important warranty and safety information.
WARNING: Before installing in a solid fuel burning
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.
NOTICE: Installation, service, and repair of this appli-
ance must be performed by a qualified installer,
service agency, company or gas supplier experi-
enced with this type of gas appliance. Only factory
authorized components listed in these instructions
may be used in accordance with the manufacturer’s
instructions and all codes and requirements of the
authority having jurisdiction. Any modifications to
this kit, or use of unauthorized components or acces-
sory items will void the manufacturer’s warranty, and
may result in a hazardous condition.
FLUE OPENING SPECIFICATIONS
Note:
This vented appliance must be installed only in a solid-fuel
burning fireplace with a working flue and constructed of noncom-
bustible material.
The charts in Figure 2 indicate technical information regarding the
installation of your gas log set. Please make sure that all of the
specifications shown are applicable before installation is attempted.
The fireplace must include a working flue and venting system with
the minimum openings shown in the Figure 2.
Btu Input
Natural
Gas
Btu Input
Propane/LP
Gas
Figure 2 - Technical Information Charts
BURNER ORIFICE
LOG NATURAL PROPANE/LP
SIZE IN. NUM. COLOR IN. NUM. COLOR
18" SA/DA .129 30 Green .073 49 Red
24" SA .141 28 Yellow .086 44 Orange
24" DA .136 29 White/Yellow .086 44 Orange
30" SA/DA .157 22 Yellow/Blue .089 43 Black
FUEL PRESSURE
SPECIFICATIONS (W.C.)
Inlet Manifold*
NG 5.5"-10.5" 3.5"
LP 11"-13" 10"
* ± .2"
DESCRIPTION
18" Single Burner 50,000 40,000
24" Single Burner 60,000 50,000
18" Dual Burner 55,000 45,000
24" Dual Burner 65,000 55,000
30" Dual Burner 70,000 60,000
MINIMUM FIREBOX SIZES
LOG FRONT BACK MINIMUM
SIZE WIDTH WIDTH* DEPTH HEIGHT FLUE SIZE
18" 34" 16" 14" 18" 8" dia.
24" 35
3
/4" 17" 15
1
/2" 18" 8" dia.
30" 42" 27" 18" 18" 9" dia.
*At depth indicated
WARNING: The Massachusetts State Board re-
quires all installations be performed by a Licensed
Plumber or Gas Fitter. Massachusetts state code re-
quires all vent dampers be welded open or removed.