Mini Switch Monitor Is Ideal For Limited Spaces

Measuring just 39mm x 39mm x 20mm, the new Mini Switch Monitor from Apollo Fire Detectors is a miniature interface with an entirely new housing ideal for installation in equipment with limited spaces. It can also be mounted within enclosures such as manual call points.

Mini Switch Monitor

The unit is designed to monitor the state of one or more single-pole, volt-free contacts and reports the contact status to Apollo-compatible control panels. It can also be fitted onto a standard 35mm DIN-rail using a twist and click motion (patent applied for) and has a short-circuit isolator as standard.

The Mini Switch Monitor can be used as either an interrupt or non-interrupt device, the former meaning it can be used where a priority response is required – in particular for monitoring either an individual or a zone of conventional manual call points. As well as ‘normal’, ‘fault’ and ‘alarm’ states, the unit also provides a ‘pre-alarm’ state, allowing the investigation of a potential alarm so as to prevent false alarms from occurring.

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Apollo Performs At The National Indoor Arena

The National Indoor Arena (NIA) in Birmingham is benefiting from a fire system upgrade that has equipped the 13,000-seat venue with a new Apollo intelligent fire detection system. 

National Indoor Arena

The contract to upgrade the current Apollo system was awarded to BDS Fire & Security Limited, who recommended a range of detectors and ancillary products from the Discovery range to meet the client’s specification.  Representatives from the client also visited Apollo’s headquarters and inspected the manufacturer’s production and testing facilities.

The NIA is a multi-purpose arena that can stage more than 30 different indoor sports as well as concerts, entertainment and business events.  With regular use of pyrotechnics and diesel-powered equipment, as well as full catering and merchandising facilities, the multi-use nature of the building is a potential source of false alarms.  The new fire system needed to provide protection to the main four storey building and its four linked multi storey car parks.

Graham Hawkins, Sales & Services Director at BDS Fire & Security Ltd., comments: “We identified the areas of high risk for unwanted alarms and recommended the Apollo Discovery range because it features multisensors with five programmable sensitivity settings that make it extremely adaptable to differing environmental conditions.  We have installed over 750 multisensors forming part of a complex and highly integrated cause and effects schedule, delivering peace of mind and continuous fire detection for the client.”

In fact, Apollo’s Discovery range of intelligent fire detectors offers a number of features to ensure that warnings are particularly reliable and nuisance alarms are kept to a minimum.  Examples include automatic drift compensation, a feature that adjusts for environmental conditions such as dust to ensure the detector is not adversely affected, and sophisticated self-monitoring that rejects transient alarms.

In total, over 1,300 devices were required to upgrade the existing system, including 782 multisensor detectors, 154 manual call points and in excess of 300 Klaxon sounder beacons.  110 interfaces connect the fire system with the NIA’s automatic smoke doors, extract fans, catering gas valves and access control doors.  In the event of an alarm being raised, a phased evacuation sequence is activated with instructions relayed via a Signet PA/VA system.

Designed around six Advanced MX4400 panels, the fire system is networked together and includes a Graphical User Interface.  BDS has used the Advanced Graphics package in a novel way to switch groups of multisensors between different operating modes in a preset sequence to take into account the varying fire detection requirements of the building at different times of day.

BDS Fire & Security’s aim was to install the new fire detection equipment with as little disruption as possible to the customer’s operations.  Thanks to Apollo’s policy of using the same open digital protocol for all its intelligent devices, BDS Fire & Security had no difficulty in sourcing detectors that were compatible with the existing Apollo devices and were, therefore, able to offer full protection throughout the phased schedule of works.

Graham Hawkins concludes: “In this case, forwards and backwards compatibility was a very important aspect of the system.  The end result was that the NIA was never without a working fire detection system.  Throughout the upgrade, the arena remained fully operational with minimal disruption to its day-to-day operations.”

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