Requirements & codes – Reznor R8HE Unit Installation Manual User Manual
Page 4
4
diagram before making any electrical connections to the
unit. See the unit wiring label or
,
.
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
. 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, shade,
and drainage for the units heat exchanger condensate
drainage pit.
• 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. See
for
additional information.
• Consult
,
,
,
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
, &
• Provide adequate clearances around the combustion
air intake louvers. See
.
• Combustion products must be discharged outdoors.
Connect this unit to an approved vent system only, as
specified on page 6 and in the Appendix (pages 36-38).
• 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)