Guest damian_taylor Posted April 18, 2006 Posted April 18, 2006 Hi. I have just had a new set of PVC french doors fitted and want to protect them by adding a door contact to my alarm (Texecom Veritas Excel). I'm wondering which type of switch to use. I've heard using a flush reed switch can invalidate the warranty on the doors, but I don't know how to fit a surface mounted switch because the fixed outer frame of the door is about 10mm further out than the door itself so I can't get the contacts lined up. Searching I've found a plunger switch which would just mean drilling the outer frame (I presume this doesn't affect the door warranty as you need to drill the frame to fix it to the wall anyway) but I'm not sure if these are meant for PVC doors. Any advise on which switch to get and how to fit it is greatly appreciated! Regards, Damian
sparky83 Posted April 18, 2006 Posted April 18, 2006 You probably know already but the magnetic reed contacts dont have to touch they just have to line up and be within close proximity so that the magnet can line up with the switch. Trade Member
antinode Posted April 18, 2006 Posted April 18, 2006 You probably know already but the magnetic reed contacts dont have to touch they just have to line up and be within close proximity so that the magnet can line up with the switch. Yes. I believe it's around 15mm on most surface contacts (not the heavy duty ones, which I think are 25mm) Trade Member
hastings Posted April 18, 2006 Posted April 18, 2006 I dont care how good an installer you are, there is not a neat way to fit contacts to a upvc patio door (any manufacturers reading ?), unless they are hidden by a curtain. In the past I have recommended vibration sensors instead in each bottom corner, and the middle if the doors are big enough. It will take a serious bashing to break through the doors if they are new upvc (which would trigger the vibration sensor), and dont forget, if they only break the glass to get through the door then then contact will not open anyway. Neither would a plunger switch, which I am not sure would comply anyway. I would go for vipers myself.
norman Posted April 18, 2006 Posted April 18, 2006 I have done the same on my own upvc doors but the structure has been breached and the warranty 'probably' voided. Nothing is foolproof to a sufficiently talented fool.
Barsnake Posted April 18, 2006 Posted April 18, 2006 This Way Seems To Be The Norm For Us With No Warranty Problems Sorry For Quality and Scale The Magnet Sits Nicely into Where The Locking Section Fits (If It Were On The Side) Only Ever Had A Few That Are To Close For The Contact Itself Sometimes Have To Pack It Up Standard Surface Contact
norman Posted April 18, 2006 Posted April 18, 2006 You are watsed on here, you should be in CAD. Nothing is foolproof to a sufficiently talented fool.
Barsnake Posted April 18, 2006 Posted April 18, 2006 You are watsed on here, you should be in CAD. Is your keyboard broken ? Yep, that is how we do it. I cannot see how it can effect a warantee. The insulation is not effected. I've Asked At Least A Dozen Different Companies and All Say Its Fine No Problem
hastings Posted April 18, 2006 Posted April 18, 2006 I got properly bollocked by my install manager once for running a cable inside the frame like that, I'm not saying you lot are wrong but I have never done it since then. Customer claimed off our firm for new patio doors cos window firm said warranty was now void. (The problem was condesation in the double glazed unit???). Looks neat to me as well tho, if you do it that way.
Paul Giles Posted April 19, 2006 Posted April 19, 2006 Is that an outward opening door? If so its against NSI standards, correct me if im wrong? PG Security Systems Somerset SSAIB Certificate of Merit Installers. www.pgsecurity.co.uk
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