[600MRG] (Fwd) Smoke Alarms

[D.J.J. Ring, Jr.]

So how does one terminate it correctly?

David
On Oct 21, 2014 1:15 PM, "Kenneth G. Gordon" <kgordon2006 at frontier.com>
wrote:

> Here is the most recent correspondence I have received on the issue of SAI
> (Smoke Alarm Interference).
>
> Perhaps this will help?
>
> Ken W7EKB
> ------- Forwarded message follows -------
> To:     <kgordon2006 at frontier.com>
> Subject:        Smoke Alarms
> Date sent:      Tue, 21 Oct 2014 11:39:01 -0500
>
>
>     Ken,
>
>     Not sure if it applies to your situation, but I had my security system
> (wired) smoke
>     detectors replaced.  First, all smoke detectors have a finite
> lifetime.  On the detectors
>     marketed today, the life cycle is even programmed into the battery
> type units (they give off
>     an audible alarm that you initially take as a low battery warning).
> On the security system
>     units, I was having false trips due to their age which was why I was
> having them replaced.
>     So age might make the detectors more susceptible to RFI.
>
> Secondly, when my new units were installed they were not terminated
> properly which was
> allowing the RFI.  Once we terminated the line properly, the RFI ceased.
> I have three
> detectors on the same line to the security system which would be the
> normal installation
> configuration.  So I am suggesting that the termination of the smoke
> detector(s)
> connection circuit be checked if applicable.
>
> ------- End of forwarded message -------
>
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