4
REQUIREMENTS & CODES
•
This equipment must be installed in accordance with
instructions outlined in this manual, 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.
• All electrical wiring must be completed in accordance 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.
• This equipment contains liquid and gaseous refrigerant
under high pressure. Installation or servicing should only be
performed by qualified trained personnel thoroughly familiar
with this type equipment.
• Install this unit only in a location and position as specified
on
Figure 1 (page 5). This unit is designed only for
outdoor installations and should be located with consideration
of minimizing the length of the supply and return ducts.
Consideration should also be given to the accessibility of
fuel, electric power, service access, noise, and shade.
• 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 7 (page 20), Table 8 (page 21), 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.
• Use only with the type of gas approved for this unit. Refer
to the unit rating plate.
• Provide adequate combustion and ventilation air to the unit.
See
page 6 & page 7.
• Provide adequate clearances around the combustion air
intake louvers. See Figure 1.
• Combustion products must be discharged outdoors. Connect
this unit to an approved vent system only, as specified on
page 6 & page 7.
• The information listed below is for reference purposes only
and does not necessarily have jurisdiction over local or state
codes. Always consult with local authorities before installing
any gas appliance.
Combustion & Ventilation Air
• US: National Fuel Gas Code (NFGC), Air for Combustion
and Ventilation
• CANADA: Natural Gas and Propane Installation Codes
(NSCNGPIC), Venting Systems and Air Supply for
Appliances
Duct Systems
• US and CANADA: Air Conditioning Contractors Association
(ACCA) Manual D, 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: National Electrical Code (NEC) ANSI/NFPA 70
• CANADA: Canadian Electrical Code CSA C22.1
Gas Piping & Gas Pipe Pressure Testing
• US: NFGC and National Plumbing Codes
• CANADA: NSCNGPIC
General Installation
• US: Current edition of the NFGC and the NFPA 90B. 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. For a copy, contact Standard Sales,
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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