Johnson Controls has introduced an innovative range of sounders, Visual Alarm Devices (VADs) and Visual Indicating Devices (VIDs), helping to improve performance of fire detection systems and ensure evacuation responses occur quickly during a real fire event.
With two leading fire detection brands in Europe; ZETTLER and FireClass, Johnson Controls offers highly sophisticated fire detection solutions for a range of different environments and project size.
Specialists at Johnson Controls have used independent research into light patterns and their effect on triggering human reactions, to improve the design and functionality of the new range of VIDS and VADS. The research from the BRE shows that LED light output with a pulse width lower than 20 milliseconds is more effective at alerting people because of the light frequency. Engineers at Johnson Controls have adopted these findings, to ensure the visual alarm devices in our new range flash at a pulse width, which is always less than 20 milliseconds when activated.
The devices use a new and highly sophisticated self-testing technology, developed by Johnson Controls to assess real light and sound output. This enables facility managers to test and maintain the devices much faster than before. During a test, the device’s real light and sound output levels are checked in a fraction of second per device and recorded. Data on their output levels is sent back to the fire control panel to highlight if devices are not functioning as required, making it simpler and quicker to see if any need replacing.
Once installed, facilities managers can use the device’s Reflective Sound Monitoring (RSM) and Reflective Light Monitoring (RLM) features, to perform a full test of sounders, VID and VAD devices. This remarkable self-testing means the device’s output can be tested without causing disruption to occupants and reducing desensitisation of a genuine activation.
The low current consumption of this new range is also a great advantage to systems designers as it means that more sounders, VIDS and VADs can be accommodated on a single loop. Specifically for Johnson Controls leading fire detection technology from ZETTER, the low power consumption of these devices combined with the higher loop capacity benefits ZETTLER’s new fire control panel range, PROFILE Flexible, means that system designers can place more sounders, visual alarm devices and detectors on a single loop making the system more cost effective and energy efficient.
Peter Hauser, Senior Global Product Manager from Johnson Controls said: “With the new EN54-23 standards it is increasingly important for installers and consultants to consider the requirements of VADs in complete fire detection solutions. These devices play a crucial role in alerting people and evacuating them safely in the case of a fire. Within our new range we have enhanced the capability of these devices above and beyond the requirements of recognised standards. Our products are supported by a complete range of design, commissioning and installation guidance, as well as the knowledge and experience of our fire detection experts to help customers select the most effective and compliant solution to meet their specific needs.”
To find out more about ZETTLER’s improved range of VIDs and VADs, visit http://www.zettlerfire.com/vids_vads.asp
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