Re: heat detector compatibility question with Radionics panel

["nick markowitz" <nick-markowitz@xxxxxxxxxxx>]

Heat Detectors do not have to meet compatability requirements because they
draw no power and will work on any standard  fire panel loop unlike bells
horns trobes smokes etc.

"gjertsen" <gjertsen@xxxxxxxxxx> wrote in message
news:1166109051.970756.302980@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>I have an old timey D8112 Radionics panel at my new house and want to
> replace the original heat detectors and smoke detectors. I don't want
> to
> replace the security panel at this time given that it works OK.
> Looking at the compatibility
> charts for this (and the web site compatibility info at Bosch and
> System Sensor)
> I see that they list this info for smoke detectors but nothing about
> compatibility
> for heat detectors. Is it safe to assume that I won't have an issue
> with
> the heat dectectors from a particular vendor? (I have 7 2-wire heat
> detectors and
> a 4-wire smoke detector in one zone with a 12V line)
> I suspect that is the case given that I currently have Edwards GS heat
> detectors
> installed. I'm leaning towards System Sensor detectors because it
> appears to
> be a challenge to find Bosch vendors online (and would use the same
> vendor
> for all the detectors).
>
> I'd also like to add 3 smoke detectors (for bedrooms for a total of
> 11). Pubs indicate
> that there is 10 detector limit for one zone with 2-wire alarms.
> Not sure why a 4-wire was put on the
> system for single smoke detector, but my reading indicates that I can
> hook up more 4-wire alarms without
> a limitation, so I wanted to confirm that adding 3 4-wire alarms hooked
> up to the
> original 4-wire would work fine (and allow me to have 11 detectors in
> one zone).
> I'd planned on letting someone else do this part, but having trouble
> getting someone to
> do the work without trying to sell me an upgraded Bosch/Radionics
> security panel.
>
> Thanks for any pointers.
>