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SYNCHRONIZATION MODULE <br />The module shall be a System Sensor Sync•Circuit model <br />MDL3 listed to UL 464 and shall be approved for fire protective <br />service. The module shall synchronize L-Series strobes at 1 <br />Hz and horns at temporal three. Also, while operating the <br />strobes, the module shall silence the horns on horn strobe <br />models over a single pair of wires. The module shall mount to <br />a 411/1, x 411/1, x 21/8 inch back box. The module shall also con- <br />trol two Style Y (class B) circuits or one Style Z (class A) cir- <br />cuit. The module shall synchronize multiple zones. Daisy <br />chaining two or more synchronization modules together will <br />synchronize all the zones they control. The module shall not <br />operate on a coded power supply. <br />PHYSICAL/ELECTRICAL SPECIFICATIONS <br />• Standard Operating Temperature: 32°F to 120°F (0°C to <br />49°C) <br />• Humidity Range: 10 to 93% non -condensing <br />• Strobe Flash Rate: 1 flash per second <br />• Nominal Voltage: Regulated 12VDC or regulated 24DC/ <br />FWR' <br />• Operating Voltage Range2: 8 to 17.5V (12V nominal) or <br />16 to 33V (24V nominal) <br />• Operating Voltage Range with MLD3: 8.5 to 17.5V (12V <br />nominal) or 16.5 to 33V (24V nominal) <br />• Input terminal wire gauge: 12 to 18 AWG <br />• Ceiling -Mount Dimensions (including lens): 6.8" diame- <br />ter 2.5" high (173 mm diameter 64 mm high) <br />• Ceiling -Mount Surface Mount Back Box Skirt Dimen- <br />sions (SBBCR, SBBCW): 6.9" diameter x 3.4" high (175 <br />mm diameter x 86 mm high) <br />Notes: <br />1. Full Wave Rectified (FWR) voltage is a non -filtered, time <br />varying power source that is used on some power supply <br />and panel outputs. <br />2. P, S, PC, and SC products will operate at 12 V nominal <br />only for 15 and 30 cd. <br />UL Current Draw Data <br />UL MAX. STROBE CURRENT DRAW (MA RMS) <br />Candela <br />8-17.5 Volts <br />16-33 Volts <br />DC <br />DC <br />FWR <br />15 <br />87 <br />41 <br />60 <br />30 <br />153 <br />63 <br />86 <br />75 <br />N/A <br />111 <br />142 <br />95 <br />N/A <br />134 <br />164 <br />115 <br />N/A <br />158 <br />191 <br />150 <br />N/A <br />189 <br />228 <br />177 <br />N/A <br />226 <br />264 <br />"This data represents coding at 3 chimes per second. Actual <br />current draw will vary depending upon coding selected. <br />Page 2 of 4 — DN-60938:B • 5/15/17 <br />