WHEELOCK SM-12/24-R CLASS B
WHEELOCK SM-12/24-R CLASS B . The Cooper Wheelock SM 12/24 R and DSM 12/24 R Synchronization Modules are used in notification appliance circuits (NACs) to control synchronization of audible and visual devices. They synchronize strobes at one flash per second. Audible devices are brought into compliance with NFPA 72, temporal sound pattern (Code 3). They provide a cost-effective means to upgrade existing circuits to ADA compliance. The synchronization modules operate on notification appliance circuits with continuously applied voltage. Functions Synchronization These devices are an effective means of synchronizing both audible and strobe circuits. Audible devices controlled by these modules provide a synchronized temporal (Code 3) output. The Code 3 pattern produced by all horns on that circuit is synchronized and the temporal pattern effect mandated by NFPA 72 (July, 1996) is clearly recognizable. Synchronizing strobes can eliminate possible restrictions on the number of strobes in the field of view. This is an easy way to comply with Americans with Disabilities Act (ADA) recommendations concerning persons with photosensitive epilepsy.
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Cooper Wheelock is a Long Branch, New Jersey, company founded in 1922 specializing in fire alarm and general signaling products. The company is known as an industry leader in fire and industrial signals. Cooper Wheelock products are often used by other companies (such as Honeywell) to complement their products. n March, 2008, Wheelock, Inc was acquired by Cooper Menvier of the United Kingdom, a division of Cooper Industries. Cooper Industries in turn was acquired by Eaton Corporation in 2012. Some of the earliest signals produced by Wheelock were the A-1 series of AC-powered, dual-projector electromechanical horns. In the early 1970s, Wheelock introduced the 31 (AC-powered) and 34 (DC-powered) series of electromechanical horns. Around 1976, Wheelock created the 7001 (2-wire, flush-mount DC), 7002 (2-wire, surface-mount DC), 34+WS (4-wire, surface-mount DC), and 7004 (2-wire, surface-mount AC) electromechanical horn/strobes. These were the first fire alarm signals to use xenon strobes instead of incandescent lights. The horn and strobe on the 7001 and 7002 models are wired in series, causing the horn to stutter when the strobe flashes. In 1985, Wheelock redesigned the horn's grilles, making them vandal resistant . WHEELOCK SM-12/24-R CLASS B . The Cooper Wheelock SM 12/24 R and DSM 12/24 R Synchronization Modules are used in notification appliance circuits (NACs) to control synchronization of audible and visual devices. They synchronize strobes at one flash per second. Audible devices are brought into compliance with NFPA 72, temporal sound pattern (Code 3). They provide a cost-effective means to upgrade existing circuits to ADA compliance. The synchronization modules operate on notification appliance circuits with continuously applied voltage. Functions Synchronization These devices are an effective means of synchronizing both audible and strobe circuits. Audible devices controlled by these modules provide a synchronized temporal (Code 3) output. The Code 3 pattern produced by all horns on that circuit is synchronized and the temporal pattern effect mandated by NFPA 72 (July, 1996) is clearly recognizable. Synchronizing strobes can eliminate possible restrictions on the number of strobes in the field of view. This is an easy way to comply with Americans with Disabilities Act (ADA) recommendations concerning persons with photosensitive epilepsy. Both the SM (single) and DSM (dual) modules can independently operate audible notification appliances while maintaining the visual alarm condition required in some jurisdictions. Connect the DSM modules to provide temporal (Code 3) horn and strobe synchronization with multiple circuits.
