
4
• Theinstallershouldbecomefamiliarwiththeunitswiring
diagram before making any electrical connections to the
unit. See the unit wiring label or Figure 17 (page 34)
& Figure 18 (page 35).
REQUIREMENTS & CODES
• Thisequipmentmustbeinstalledinaccordancewith
instructions outlined in this manual, all applicable
localbuilding codes,and thecurrent revisionof
the National Fuel Gas Code (NFPA54/ANSI Z223.1)
or the Natural Gas and Propane Installation Code,
CAN/CGA B149.1.
• Allelectricalwiringmustbecompletedinaccordance
with local, state and national codes and regulations
and with the National Electric Code (ANSI/NFPA 70)
or in 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
National Electrical Code (ANSI CI) for special installation
requirements.
• Thisequipmentcontainsliquidandgaseousrefrigerant
under high pressure. Installation or servicing should only
be performed by qualified trained personnel thoroughly
familiar with this type equipment.
• Air Ducts must be installed in accordance with the
standards of the National Fire Protection Association
“Standards for Installation of Air Conditioning and
Ventilation Systems” (NFPA 90A), “Standard for
Installation of Residence Type Warm Air Heating and Air
Conditioning Systems” (NFPA 90B), these instructions,
and all applicable local codes.
• Consult Table 12, (page 27), Table 13, (page 27),
& Table 14, (page 27), and the rating plate for the
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 in a position as shown on page 5.
• Use onlywiththe typeof gasapproved forthis unit.
Refer to the unit rating plate.
• Provideadequatecombustionandventilationairtothe
unit. See pages 6 – 7.
• Provideadequateclearancesaroundthecombustion
air intake louvers. See Figure 1 (page 5).
• Combustion products must be discharged outdoors.
Connect this unit to an approved vent system only, as
specified on page 7.
• 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.
Combustion & Ventilation Air
• US:NationalFuelGasCode(NFGC),AirforCombustion
and Ventilation
• CANADA: NaturalGasandPropaneInstallationCodes
(NSCNGPIC), Venting Systems and Air Supply for
Appliances
Duct Systems
• USandCANADA:AirConditioningContractorsAssociation
(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; or American
Gas Association, 400 N. Capitol, N.W., Washington DC
20001 or www.NFPA.org.
• CANADA:NSCNGPIC.Foracopy,contactStandardSales,
CSA International, 178 Rexdale Boulevard, Etobicoke
(Toronto), Ontario, M9W 1R3 Canada
Safety
• US: (NFGC) NFPA 54–1999/ANSI Z223.1 and the
Installation Standards, Warm Air Heating and Air
Conditioning Systems ANSI/NFPA 90B.
• CANADA: CAN/CGA-B149.1–and .2–M00 National
Standard of Canada. (NSCNGPIC)
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