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NOTE:As experience with new site conditions and deployment consideration evolve,the <br />HMA should be reviewed and updated as necessary to incorporate changes and revisions. <br />Failure of a required protection system <br />including,but not limited to,ventilation <br />(HVAC),exhaust ventilation,smoke <br />detection,fire detection,fire suppression, <br />or gas detection system. <br />There is no required ventilation (HVAC)or <br />exhaust ventilation system needed to <br />provide active cooling or ventilation of <br />gasses under normal operation.A heater <br />is provided to maintain battery <br />temperatures in the desired operating <br />range at low ambient temperatures.If the <br />heater fails,an alarm is transmitted by <br />the Controller 6610 communication <br />module to the NOC.The BMS limits <br />charging if the temperature is too low as <br />tested in UL 1973. <br />The system includes smoke detection via <br />a detector internal to the B160 cabinet.A <br />fault by the smoke detector will send a <br />trouble signal to a remote 24/7 Network <br />Operations Center (NOC),alerting system <br />owner to detector malfunction and need <br />for repair. <br />There are no required automatic fire <br />suppression or gas detection systems. <br />Failure of the Enclosure B160 <br />communication system. <br />A failure of the Controller 6610 will be <br />recognized at the NOC as a loss of <br />communication alarm and likewise result <br />in notification to the system owner and <br />service personnel to abnormal conditions. <br />Voltage surge on the primary electrical <br />supply of Enclosure 6160 rectifier. <br />Voltage surge resistance is demonstrated <br />in product testing according to UL/IEC <br />62368 OVC Class II and listing and the <br />use of overvoltage protection devices. <br />Short circuit of the Enclosure 6160 output <br />at the load side <br />Short-circuit and overcurrent protection is <br />demonstrated in product testing and <br />listing and the use of over current <br />protection devices.In accordance with <br />UL9540 testing it is covered by UL1973 <br />on battery level. <br />Confidentiality Class External Confidentiality Label Document Type Page <br />Ericsson Internal Analysis 12 (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