
4
REQUIREMENTS & CODES
• Thisequipmentmustbeinstalledinaccordancewith
instructionsoutlinedinthismanual,allapplicable
local buildingcodes,and the current revisionof
theNationalFuelGasCode(NFPA54/ANSIZ223.1)
ortheNaturalGasandPropaneInstallationCode,
CAN/CGA B149.1.
• Allelectricalwiringmustbecompletedinaccordance
with local, state and national codes and regulations and
withtheNationalElectricCode(ANSI/NFPA70)orin
Canada the Canadian Electric Code Part 1 CSA C.22.1.
• The installer must comply with all local codes and
regulations which govern the installation of this type
of equipment. Local codes and regulations take
precedence over any recommendations contained in
these instructions. Consult local building codes and the
NationalElectricalCode(ANSICI)forspecialinstallation
requirements.
• Air Ducts must be installed in accordance with the
standardsoftheNationalFireProtectionAssociation
“Standards for Installation of Air Conditioning and
Ventilation Systems” (NFPA 90A), “Standard for
Installation of Residence Type Warm Air Heating and Air
ConditioningSystems”(NFPA90B),theseinstructions,
and all applicable local codes.
• ConsultTable16(page40),andtheratingplateforthe
proper circulating air flow and temperature rise. It is
important that the duct system be designed to provide
the correct flow rates and external pressure rise. An
improperly designed duct system can result in nuisance
shutdowns, and comfort or noise issues.
• Thisunitisdesignedforoutdoorinstallationsonlyand
should be located as described on page 5.
• Use only with the type of gas approvedforthis unit.
Refer to the unit rating plate.
• Provideadequatecombustionandventilationairtothe
unit. See pages 6 & 7.
• Provideadequateclearancesaroundtheairventintake
terminal as specified on page 6.
• Combustion products must be discharged outdoors.
Connect this unit to an approved vent system only, as
specified on page 6.
• Additionalcodeslistedbelowareforreferencepurposes
only and do not necessarily have jurisdiction over
local or state codes. Local codes and regulations take
precedence over any recommendations contained in
these instructions. Always consult with local authorities
before installing any gas appliance.
should also be given to the accessibility of fuel, electric
power, service access, noise, and shade.
• Theinstallershouldbecomefamiliarwiththeunitswiring
diagram before making any electrical connections to the
unit. See the unit wiring label or Figures 15 & 16 (pages
38 & 39).
• Usecautionwhenhandlingthisapplianceorremoving
components. Personal injury can occur from sharp metal
edges present in all sheet metal constructed equipment.
Combustion&VentilationAir
• US: National Fuel Gas Code (NFGC), Air for
Combustion and Ventilation
• CANADA: Natural Gas and Propane Installation
Codes(NSCNGPIC),VentingSystemsandAirSupply
for Appliances
DuctSystems
• US and CANADA: Air Conditioning Contractors
Association (ACCA) Manual Q, Sheet Metal and
Air Conditioning Contractors National Association
(SMACNA), or American Society of Heating,
Refrigeration, and Air Conditioning Engineers
(ASHRAE) Fundamentals Handbook
Electrical Connections
• US:NationalElectricalCode(NEC)ANSI/NFPA70
• CANADA:CanadianElectricalCodeCSAC22.1
Gas Piping & Gas Pipe Pressure Testing
• US:NFGCandNationalPlumbingCodes
• CANADA:NSCNGPIC
General Installation
• US:CurrenteditionoftheNFGCandtheNFPA90B.
For copies, contact the National Fire Protection
Association Inc., Batterymarch Park, Quincy, MA
02269;orAmericanGasAssociation,400N.Capitol,
N.W.,WashingtonDC20001orwww.NFPA.org.
• CANADA:NSCNGPIC.Foracopy,contactStandard
Sales, CSA International, 178 Rexdale Boulevard,
Etobicoke (Toronto), Ontario, M9W 1R3 Canada
Safety
• US:(NFGC)NFPA54–1999/ANSIZ223.1andthe
Installation Standards, Warm Air Heating and Air
ConditioningSystemsANSI/NFPA90B.
• CANADA:CAN/CGA-B149.1–and.2–M00National
StandardofCanada.(NSCNGPIC)
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