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d L-Series Specifications Specifications General L-Series ceiling-mount strobes and horn strobes shall mount to a standard 4 x 4 x 11h-inch back box,4-inch octagon back box,or double- gang back box.Two-wire products shall also mount to a single-gang 2 x 4 x 17/8-inch back box.A universal mounting plate shall be used for mounting ceiling and wall products.The notification appliance circuit wiring shall terminate at the universal mounting plate.Also,L-Series products,when used with the Sync•Circuit-Module accessory,shall be powered from a non-coded notification appliance circuit output and shall operate on a nominal.12 or 24 volts.When used with the Sync•Circuit Module, 12-volt-rated notification appliance circuit outputs shall operate between 8.5 and 17.5 volts;24-volt-rated notification appliance circuit outputs shall operate between 16.5 and 33 volts.Indoor L-Series products shall operate between 32 and 120 degrees Fahrenheit from a regulated DC or full-wave rectified unfiltered power supply. Ceiling strobes and horn strobes shall have field-selectable candela settings including 15,30,75,95,115,150,and 177. Strobe The strobe shall be a System Sensor L-Series Model listed to UL 1971 and shall be approved for fire protective service.The strobe shall be wired as a primary-signaling notification appliance and comply with the Americans with Disabilities Act requirements for visible signaling appliances,flashing at 1 Hz over the strobe's entire operating voltage range.The strobe light shall consist of a xenon flash tube and associated lens/reflector system. Horn Strobe Combination The horn strobe shall be a System Sensor L-Series Model listed to UL 1971 and UL 464 and shall be approved for fire protective service.The horn strobe shall be wired as a primary-signaling notification appliance and comply with the Americans with Disabilities Act requirements for visible signaling appliances,flashing at 1 Hz over the strobe's entire operating voltage range.The strobe light shall consist of a xenon flash tube and associated lens/reflector system.The horn shall have two audibility options and an option to switch between a temporal three pattern and a non-temporal(continuous)pattern.These options are set by a multiple position switch.The horn on horn strobe models shall operate on a coded or non-coded power supply. Synchronization Module The module shall be a System Sensor Sync•Circuit model MDL3 listed to UL 464 and shall be approved for fire protective service.The module shall synchronize L-Series strobes at 1 Hz and horns at temporal three.Also,while operating the strobes,the module shall silence the horns on horn strobe models over a single pair of wires.The module shall mount to a 4 11/16 x 4 11/16 x 2 1/8-inch back box.The module shall also control two Style Y(class B)circuits or one Style Z(class A)circuit.The module shall synchronize multiple zones.Daisy chaining two or more synchronization modules together will synchronize all the zones they control.The module shall not operate on a coded power supply. Physical/Electrical Specifications Standard Operating Temperature 32°F to 120°F(0°C to 49°C) Humidity Range 10 to 93%non-condensing Strobe Flash Rate 1 flash per second Nominal Voltage Regulated 12 VDC or regulated 24 DC/FWR' Operating Voltage Rangez 8 to 17.5 V(12 V nominal)or 16 to 33 V(24 V nominal) Operating Voltage Range(MDL3) 8.5 to 17.5V(12 V nominal)or 16.5 to 33 V(24V nominal) Input Terminal Wire Gauge 12 to 18 AWG Ceiling-Mount Dimensions(including lens) 6.8°diameter x 2.5°high(173 mm diameter x 64 mm high) Ceiling-Mount Surface Mount Back Box Skirt Dimensions 6.9°diameter x 3.4"high(175 mm diameter x 86 mm high) (SBBCRL,SBBCWL) Notes: 1.Full Wave Rectified(FWR)voltage is a non-regulated,time-varying power source that is used on some power supply and panel outputs. 2.P,S,PC,and SC products will operate at 12 V nominal only for 15 and 30 cd. AVDS86800