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2.1 Fire and Explosion Protection Design Basis Process.  <br />Conformance to the requirements of NFPA 855,IFC and CFC,in concert with the <br />requisite listings and UL 9540/9540A test program are deemed adequate to meet the <br />installation’s goals and objectives with respect to fire and explosion protection.If a fire <br />were to initiate within the Ericsson Energy Storage System 6160,specifically the <br />Ericsson Enclosure B160 battery cabinet,fire containment to the confines of the <br />enclosure is an acceptable result. <br />In the event of cell venting due to overheating of battery cell or cells,vent gasses will <br />escape the enclosure via four pressure relief valves and 2 fans.By these means,the <br />atmosphere within the enclosure is kept below the lower explosive limit of the gas <br />mixture and an explosion of the vent gasses is prevented as defined in NFPA68/69. <br />It is understood that in the event of a fire with the Ericsson Energy Storage System <br />6160,specifically the Ericsson Enclosure B160 battery cabinet,all equipment collocated <br />within the originating cabinet will be presumed to be irreparably damaged due to loss of <br />either immediate functionality or long-term reliability. <br />2.1.1 Product Installation <br />The schematic below shows a typical installation with required minimum access <br />clearances.It is expected that ordinary combustibles will not be stored in the vicinity of <br />the Ericsson Energy Storage System 6160.It is assumed that other equipment is not <br />stacked or installed directly above the Ericsson Energy Storage System 6160 equipment, <br />and the installation is outdoor,parking,garages and rooftops. <br />Additional environmental <br />considerations <br />Site specific considerations are addressed <br />after unique site characteristics are gathered <br />and evaluated. <br />Confidentiality Class External Confidentiality Label Document Type Page <br />Ericsson Internal Analysis 7 (27) <br />Prepared By (Subject Responsible)Approved By (Document Responsible)Checked <br />ERATLEN Thomas Lennholm <br />Document Number Revision Date Reference <br />1785-BFM 107 220/1 Uen PA2 2025-06-03