Replaced the group with independent units that use batteries. the reason
was that I noticed that the circuit board was showing signs of heat stress
around a diode and resistor inside the unit. The security alarm system was
upgraded to
handle smoke detectors as well. No RFI issues.
On Tue, Aug 18, 2015 at 6:17 AM, Howard Lester <howard220@gmail.com> wrote:
> To clarify for others, I don't think you mean the detectors are battery
> operated. Rather, they (like mine in my hard-wired system) have batteries
> (typically 9V) used for backup power.
>
> Howard
>
>
> On Mon, Aug 17, 2015 at 9:34 PM, Stan Zawrotny <k4sbz.stan@gmail.com>
> wrote:
>
> >
> >
> > >>You have a somewhat unusual configuration compared to most that just
> > install battery operated, independent units.
> >
>
>
> > Actually not. Wireless smoke detector systems are very common. If one
> > detector alerts, it alerts all detectors throughout the house. Each unit
> is
> > battery operated. But independent units are not installed in modern homes
> > any more.
> >
> >
> >
> >
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