3
Safety markings are used frequently throughout this
manual to designate a degree or level of seriousness and
should not be ignored. indicates a potentially
hazardous situation that if not avoided, could result in
personal injury or death. indicates a potentially
hazardous situation that if not avoided, may result in minor
or moderate injury or property damage.
submerged underwater.
• This furnace must be installed in accordance with
these instructions, all applicable local building codes
and the current revision of the National Fuel Gas Code
(NFPA54/ANSI Z223.1) or the Natural Gas and Propane
Installation Code, CAN/CGA B149.1.
• CEgénérateurd’airchauddoitêtreinstalléconformément
aux instructions du fabricant et aux codes locaux. En
l’absence de code local, respecter la norme ANSI
Z223.,1,instituléNationalFuelGasCodeoulescodes
d’installationCAN/GCA-B149.
• Useonly with typeof gas approvedfor thisfurnace.
Refer to the furnace rating plate.
• Install this furnace in accordance to the minimum
clearances to combustible materials listed in Table 1,
(page 6).
• Provideadequatecombustionandventilationairtothe
furnace space as specified on page 7 and page 24.
Do not block or obstruct air openings on the furnace,
air openings to the area where the furnace is installed,
or the space around the furnace.
• Combustion products must be discharged outdoors.
Connect this furnace to an approved vent system, as
specified on pages 11 - 13.
• Never test for gas leaks with an open ame. Use a
commercially available soap solution to check all
connections. See page 18.
• Thisfurnaceisdesignedtooperatewithamaximum
external pressure rise of 0.5 inches of water column.
Consult Table 12, (page 32) and the rating plate for
thepropercirculatingairowandtemperaturerise.
It is important that the duct system be designed
tohandlethedesiredowrateandexternalpressure
rise. An improperly designed duct system can result in
nuisance shutdowns, and comfort or noise issues.
• Whensupplyductscarryaircirculatedbythefurnace
to areas outside the space containing the furnace, the
return air shall also be handled by duct(s) sealed to
the furnace casing and terminating outside the space
containing the furnace. See pages 8 - 10.
• Thisfurnacemaynotbeusedfortemporaryheatingof
buildings or structures under construction.
• Theinformationlistedbelowisforreferencepurposes
only and does not necessarily have jurisdiction over
local or state codes. Always consult with local authorities
before installing any gas appliance.
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