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W415-0559 / 02.15.06
FOR YOUR SATISFACTION, THIS FIREPLACE HAS BEEN
TEST-FIRED TO ASSURE ITS OPERATION AND QUALITY!
Maximum input is 23,000 BTU/hr for natural gas and propane.
When the fi replace is installed at elevations above 2,000ft,
and in the absence of specifi c recommendations from the
local authority having jurisdiction, the certifi ed high altitude
input rating shall be reduced at the rate of 4% for each ad-
ditional 1,000ft.
This heater must not be installed in a bedroom or bath-
room.
This fireplace is only for use with the type of gas indi-
cated on the rating plate. This fireplace is not convertible
for use with other gases, unless a certified kit is used.
Minimum inlet gas supply pressure is 4.5 inches water col-
umn for natural gas and 11 inches water column for propane.
Maximum inlet gas pressure is 7 inches water column for
natural gas and
13 inches water column for propane. Manifold
pressure under fl ow conditions is 3.5 inches water column for
natural gas and 10 inches water column for propane.
No external electricity (110 volts or 24 volts) is required
for the gas system operation. Expansion / contraction
noises during heating up and cooling down cycles are normal
and are to be expected.
This heater is equipped with a pilot light
safety system referred to as an OXYGEN
DEPLETION SENSOR and is designed to
turn off the heater if not enough fresh air is
available.
Use only accessories designed for and listed
with your specific fireplace.
ANY CHANGE TO THIS HEATER OR ITS CON-
TROLS CAN BE DANGEROUS AND IS PROHIB-
ITED.
THIS GAS FIREPLACE SHOULD BE INSTALLED AND
SERVICED BY A QUALIFIED INSTALLER to conform with
local codes. Installation practices vary from region to region
and it is important to know the specifi cs that apply to your
area, for example: in Massachusetts State:
• The appliance off valve must be a “T” handle gas cock.
• The fl exible connector must not be longer than 36 inches.
• The appliance is not approved for installation in a bedroom or
bathroom unless the unit is a direct vent sealed combustion
product.
• WARNING: This product must be installed by a licensed
plumber or gas fi tter when installed within the commonwealth
of Massachusetts.
• Un-vented room heater shall be installed in accordance with
527 CMR 30.00 and 248 CMR 3.00 through 7.00.
• Sellers of un-vented propane or natural gas-fi red
space/room heaters shall provide to each purchaser a copy
of 527 CMR 30.00 upon the sale of the unit from
http://www.napoleonfi replaces.com/Webshare/installation_
manuals/mass_requirements.pdf
In absence of local codes, install the GVFS20 to the current
National Fuel Gas Code, ANSI Z223.1 Installation Code which
can be obtained from:
American Nation Standards Institute Inc.
1430 Broadway
New York, NY 10018
or
National Fire Protection Association Inc.
Batterymarch Park
Quincy, MA 02269
The fi replace and its individual shutoff valve must be discon-
nected from the gas supply piping system during any pressure
testing of that system at test pressures in excess of ½ psig
(3.5 kPa). The fi replace must be isolated from the gas supply
piping system by closing its individual manual shutoff valve
during any pressure testing of the gas supply piping system
at test pressures equal to or less than ½ psig (3.5 kPa).
The stove, when installed with a blower, must be electrically
connected and grounded in accordance with local codes. In
the absence of local codes, use the current ANSI/NFPA 70
NATIONAL ELECTRICAL CODE. The blower power cord
must be connected into a properly grounded receptacle. The
grounding prong must not be removed from the cord plug.
GENERAL INSTRUCTIONS
GENERAL INFORMATION
Suitable for mobile home installation where the
mobile home has been permanently placed on its
site.
This fi replace may be installed in an aftermarket
permanently located, manufactured (mobile)
home, where not prohibited by local codes.
For mobile home installations, the fi replace must be
fastened in place. It is recommended that the fi re-
place be secured in all installations. Use the levelling
/ securing kit, GDSLL-KT, for this purpose.
MOBILE HOME INSTALLATION