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DSC FSA-410D Series
IntroductionThe FSA-410D is a 4-wire photoelectric smoke alarm withoptional: fixed temperature heat detector, auxiliary form C relay,and/or remote LED output. OperationApproximately every 7 to 8 seconds the unit tests for a smoke orheat alarm condition. During this sequence the unit also performsself diagnostics, and checks for faults. During normal operatio …
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