This publication represents a basic standard for safe operation, substantial and durable construction, and acceptable performance of gas-fired high-intensity infrared heaters. It is the result of years of experience in the manufacture, testing, installation, maintenance, inspection and research on gas-fired high-intensity infrared heaters designed for utilization of gas. There are risks of injury to persons inherent in appliances that, if completely eliminated, would defeat the utility of the appliance. The provisions in this standard are intended to help reduce such risks while retaining the normal operation of the appliance.
This Standard applies to newly produced, gas-fired high-intensity infrared heaters (see Part IV, Definitions), hereinafter referred to as heaters or appliances, constructed entirely of new, unused parts and materials with inputs up to and including 400,000 Btu per hour (117 228 W) per burner:
a. For use with natural gas;
b. For use with manufactured gas;
c. For use with mixed gas;
d. For use with liquefied petroleum (propane) gases;
e. For use with LP gas-air mixtures; or
f. Convertible for use with natural gas and liquefied petroleum (propane) gases, when provision is made for the simple conversion from one gas to the other.
The heaters covered by this standard are intended for installation in and heating of outdoor spaces or nonresidential indoor spaces and are intended for location where flammable gases or vapors are not generally present.
Although heaters covered by this standard may, in certain instances, be suitable for application in industrial processes, this standard does not cover industrial process burners.
High-intensity infrared heaters may be suspended overhead, angle mounted overhead, wall mounted or floor mounted. Floor-mounted heaters may be free-standing and, when for outdoor installation, also may be portable to the extent defined in Part IV,Definitions.
Overhead heaters complying with this standard are suitable for use in (1) aircraft hangars when installed in accordance with the Standard for Aircraft Hangars, ANSI/NFPA 409, and (2) garages when installed in accordance with the Standard for Parking Structures, ANSI/NFPA 88A, or the Standard for Repair Garages, ANSI/NFPA 88B; or the Canadian Natural Gas and Propane Installation Code, CSA B149.1, and are so marked.
The heaters covered by this standard may be:
a. Designed for connection to a vent; or
b. Not designed for connection to a vent.
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ANSI Z83.19a-2011/CSA 2.35a-2011 (R2014) - Addenda 1 to ANSI Z83.19-2009/CSA 2.35-2009, Gas-fired high-intensity infrared heaters