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Simplex Fire Alarm Test 81
15:35
YouTubeSafeTech
Simplex Fire Alarm Test 81
Test of an upgraded 4100ES system in a large school. System has underwent multiple expansions over the years. While not all notification appliances sync perfectly in walk-test the system functions normal for the most part in general alarm. The trouble which occurs while the system is in alarm is due to ground on a 4009 board which will soon be ...
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