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aXis CONTROLLER HOME STANDBY GENERATOR
INSTALLATION
18
Intertek Group PLC Label
Located inside the generator, next to the generator’s data label
NFPA® 37 Standard for the Installation and Use of Stationary Combustion Engines and Gas Turbine
The National Fire Protection Association (NFPA) standard NFPA 37 establishes criteria for minimizing the hazard of fire during the
installation and operation of stationary combustion engines. NFPA 37 limits the spacing of an enclosed generator from openings in walls,
structures and combustible materials outside the enclosure.
NFPA 37 (2015): Section 4.1.4 stipulates that engines installed outdoors shall be located at least 5 ft. (1.5 m) from structures having
combustible walls. Further, a minimum separation shall not be required where the following conditions exist:
All walls of the structure that are closer than 5 ft. from the engine enclosure have a fire resistance rating of at least 1 hr., or
The weatherproof engine enclosure is constructed of noncombustible materials, and it has been demonstrated that a fire within the
enclosure will not ignite combustible materials outside the enclosure.
Intertek Group PLC performed a full-scale fire test under a worst-case fire scenario within the stationary generator enclosure to determine
the ignitability of combustible material near the stationary generator. The enclosure is made of non-combustible materials and the results
and conclusions of the test indicate that a fire within the enclosure would not pose any risk of ignition to nearby combustible materials
or structures. Intertek Group PLC is certifying that this model complies with clause (2) of Section 4.1.4 of NFPA 37 when installed at a
minimum distance of 450 mm (17.7 in.) from a combustible wall.
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