Adsibob Posted January 17, 2022 Share Posted January 17, 2022 (edited) I need to fit an LD1 grade D2 "unified mains powered interlinked fire alarm" system to my house. I need about fourteen of them! Prices range from about £15 per alarm to £80. At the more expensive end of the range, there are some clever smoke alarms which masquerade as fully functional LED spotlights. I'd like to fit these in the two or three locations where a regular alarm would look really ugly and where I was going to have a spotlight anyway. But I don't want to spend £80 on each of the 11 to 12 other ones. Can I mix and match or will the interlinking feature not work? I was hoping that if they are hardwired, the interlinking would work by electrical signals along the wiring and so compatibility wouldn't be an issue, but I'm probably thinking wishfully. Anyone successfully mixed and matched? Or does the word "unified" in the fire engineer's report preclude this sort of thing? Edited January 17, 2022 by Adsibob Link to comment Share on other sites More sharing options...
TonyT Posted January 17, 2022 Share Posted January 17, 2022 You cannot mix and match interlinked detection, the manufacturer instructions state this. for example… ‘’Ei3014 is a Heat Alarm with a Class A1 heat detection sensor. It can only to be used as part of a fire detection system, i.e. interconnected with Aico/Ei Electronics mains powered Multi-Sensor Fire or Smoke Alarms’’ Link to comment Share on other sites More sharing options...
Mr Punter Posted January 18, 2022 Share Posted January 18, 2022 I would just fit the Aico ones. They are reliable and decent value. Get the mains lithium ones. Nobody will notice whatever the aesthetic thing with the lights is supposed to achieve. 1 Link to comment Share on other sites More sharing options...
JohnMo Posted January 18, 2022 Share Posted January 18, 2022 You just don't notice them after a week in the house Link to comment Share on other sites More sharing options...
ProDave Posted January 18, 2022 Share Posted January 18, 2022 8 hours ago, Mr Punter said: I would just fit the Aico ones. They are reliable and decent value. Get the mains lithium ones. Nobody will notice whatever the aesthetic thing with the lights is supposed to achieve. Positioning needs to be accurate. e.g. of you have rows of downlights thena badly positioned smoke alarm stands out like a sore thumb. Link to comment Share on other sites More sharing options...
Adsibob Posted January 18, 2022 Author Share Posted January 18, 2022 Problem is we have spend a fortune on decorative clay plaster from Cornwall (yes, I'm literally unearthing bits of Cornwall and plastering my ceilings with it) and so extra ceiling clutter will ruin the effect. Link to comment Share on other sites More sharing options...
Olf Posted January 18, 2022 Share Posted January 18, 2022 12 hours ago, Adsibob said: some clever smoke alarms which masquerade as fully functional LED spotlights Lumi Plugin uses Cavius alarms in their spotlights, they should be compatible with the rest of Cavius range. Link to comment Share on other sites More sharing options...
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