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NFPA 853 Installation of Stationary Fuel Cell Power Plants

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The 2003 Edition has been expanded to include stationary fuel cells below 50kW. The new chapter, “Fuel Cell Power Systems 50 kW or Less” gives requirements for both outdoor and indoor installations as well as ventilation and fire protection for these smaller systems. In the 2007 edition, the use of the term Lower Flammability Limit was corrected, and clarifications were made to system siting and sensing equipment requirements. In the 2010 edition, 15 clarifications were added along with 1 new requirement (an outdoor power system’s distance from a combustible wall per manufacturer’s Installation Manual). The 2015 edition changes include new definitions along with clarification of ventilation air and its application – with requirements subdivided into categories for circulation air, dilution air and primary air. The changes to the 2020 edition address the expanded scope of ANSI/CSA FC1, both of which now include all pre-engineered and matched modular systems. Sections that allowed alternate compliance options for systems outside the scope of FC1 are no longer needed and have been removed.
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Committee Information
Submitter: Don Drewry Secretariat: NFPA Contact: Paul May ( )
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