Posts

New Updates on BS 5839

Image
On 1st September 2017, BS 5839-1 2017 was released.  The revised standard includes 25 changes to 14 existing clauses; the key changes will be discussed in this blog. Call Point Covers The biggest change, and the one that everyone is talking about, is the recommendation for call point covers. Going forward, all call points should be installed with a call point cover. The standard does not specify whether existing installations should be updated to include call point covers, however if an existing installation doesn’t have call point covers and the risk assessment indicates they are not required, it would be best practice to record this as a variation in the fire detection log book. Multi-sensors The definition of a ‘multi-sensor’ has been somewhat in dispute in recent years. Under section 3, in the Terms and Definitions, clause 3.40 defines a multi-sensor as, a “fire detector that monitors more than one physical and/ or chemical phenomenon associated with fire”. If you re...
Post a Comment
Read more

Zeta MKII protocol devices replacement for standard protocol devices

Image
It has come to my knowledge that so many of fire alarm systems installers are faced with problem of replacing the old Zeta addressable standard protocol devices.   Zeta, since 2012 phased out the standard addressable protocol devices while they rolled out new model of devices; the Fyreye MKII protocol devices . Since then, there's no longer Support for the standard protocol devices and replacement components has posed a serious challange.  However, all hope is not lost.  For the securetone 2 addressable sounders having standard protocol, the replacement has been rolled out in MKII protocol. The Securetone 2 addressable sounder has a low profile design which makes it ideal for locations where sounder are required to be unobtrusive.  It is designed to work with the complete range of Zeta addressable control panels but not MKII protocol .  The sounder is supplied configured to it’s maximum volume. However there is a potentiometer which m...
Post a Comment
Read more