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Application <br /> NOTE:The installation of visible and audible signals are subject to national and local standards,codes,and ordinances. <br /> Consult your Authority Having Jurisdiction for device installation requirements,application standards,and minimum performance specifications. <br /> Horns Strobes <br /> During installation,the horn is configured for steady or temporal EDWARDS strobes are UL 1971-listed for use indoors as wall- <br /> tone signal and either low(94 dBA)or high(98 dBA)output.When mounted public-mode notification appliances for the hearing im- <br /> temporal output is selected all horns on a common two-wire paired. Prevailing codes require strobes to be used where ambient <br /> circuit are self-synchronized(see specifications). External control noise conditions exceed specified levels,where occupants use <br /> modules are not required for audible synchronization. hearing protection, and in areas of public accommodation. Con- <br /> Suggested sound pressure level for each signaling zone used with <br /> sult with your Authority Having Jurisdiction for details. <br /> alert or alarm signals is at least 15dB above the average ambi- As part of the Enhanced Integrity line of products, 757 Series <br /> ent sound level,or 5dB above the maximum sound level having a strobes exceed UL synchronization requirements(within 10 mil- <br /> duration of at least 60 seconds,whichever is greater, measured liseconds other over a two-hour period)when used with a syn- <br /> 5' (1.5m)above the floor.The average ambient sound level is the chronization source. Synchronization is important in order to avoid <br /> RMS,A-weighted sound pressure measured over a 24-hour period. epileptic sensitivity. <br /> Doubling the distance from the signal to the ear will theoretically result Integrity strobes are fully compatible with EDWARDS Genesis <br /> in a 6 dB reduction of the received sound pressure level.The actual signals. <br /> effect depends on the acoustic properties of materials in the space.A 3 <br /> dBA difference represents a barely noticeable change in volume. <br /> NOTE:The flash intensity of some visible signals may not be adequate <br /> ut Angle - Derees to alert or waken occupants in the protected area. Research indicates <br /> �utp g that the intensity of strobe needed to awaken 90%of sleeping persons is <br /> 1 0 15 approximately 100 cd.EDWARDS recommends that strobes in sleeping <br /> 30 30 rooms be rated at at least 110 cd. <br /> -45 5 WARNING:These devices will not operate without electrical power.As <br /> -6 660 fires frequently cause power interruptions, further safeguards such as <br /> backup power supplies may be required. <br /> -75 75 <br /> -90 90 <br /> 105 9585 75 dBA 7585 95 105 <br /> Temporal Horn (dBA) <br /> Typical Sound Output Distribution <br /> dBA measured at 10 ft in anechoic chamber <br /> 757 Series Temporal Horn(`HIGH'output) <br /> Installation and North American 2-gang <br /> electric box,23/4"(69mm)minimum <br /> Mounting 0 (Alternative:4"square box <br /> ® 2-1/8"(54mm)deep) <br /> All models fit to a standard flush <br /> mounted, North-American two- Mounting Plate(provided) o <br /> gang electrical box, 23/4 inch(69 0 m <br /> mm)minimum. Optional flush <br /> trims are not required. For surface 0 <br /> mount, use EDWARDS's custom <br /> indoor and outdoor surface boxes <br /> painted in color-matched red or <br /> white epoxy. EDWARDS recom- <br /> mends that fire alarm horn/strobes #6 32 screws(by others) <br /> always be installed in accordance Surface Box-5-5/8"(143mm)sq.x <br /> with the latest recognized edi- Housing 3-9/16"(91 mm)deep <br /> N1 <br /> tion of national and local fire alarm / 5-1/2"(140mm)x 5-1/2"(140mm)x 5/8"(16mm) <br /> codes. \—Single Mounting Screw(provided) <br /> Page 2 of 6 D A T_ „�� E85001-0341 <br /> Not to be used for installa, purposes. Issue 1.2 <br />