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FIRE SERVICE AND GENERAL FIRE SAFETY TOPICS => Technical Advice => Topic started by: Ricardo on February 01, 2008, 08:05:19 PM

Title: BS 5839-6 capabilities
Post by: Ricardo on February 01, 2008, 08:05:19 PM

One for the fire alarm gurus

Are magnetic hold open devices for fire resisting self closing doors, or swing free arm devices? capable of being connected to Grade A, B or C system of a Part 6 detection installation, similar to what a Part 1 system can cope with.

Title: BS 5839-6 capabilities
Post by: AnthonyB on February 01, 2008, 11:07:09 PM

Not sure about the wired in devices, but there's always the acoustic hold opens (Dorgard) that would work depending on the application

Title: BS 5839-6 capabilities
Post by: WEST1 on February 03, 2008, 10:17:41 AM

As long as the detctor coverage is ok then theres no problem connecting door magnets to grades a,b or c systems. It would also be posible to connect a door magnet to a grade d system by using a relay base.

Title: BS 5839-6 capabilities
Post by: Galeon on February 03, 2008, 02:02:49 PM

(Dorgard) if you use these make sure that the sound pessure levels will be compliant to trigger them, I have been to numerous installations where they were quite happy to stay open through no fault of there own !

Title: BS 5839-6 capabilities
Post by: Dinnertime Dave on February 04, 2008, 01:33:30 PM

Try here -

www.aico.co.uk

Title: BS 5839-6 capabilities
Post by: Ricardo on February 04, 2008, 01:48:13 PM

Thanks for the responses so far folks, any more advice greatly appreciated.