Re: My Wiring 3 Kidde Smokes Together Problem

[Crash Gordon® <NONE@xxxxxxxx>]

Were the reds hooked up to the old detectors?
I'm wondering that maybe the old smokes were retro-fitted on a lighting =
circuit to begin with. 30 years ago...smokes weren't required in many =
areas.


"Robert11" <rgsrose@xxxxxxxxx> wrote in message =
news:aZ6dnf7REaBdEPjfRVn-vA@xxxxxxxxxxxxxx
> Hi,
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> This relates to the problem I've been having in getting 3 new Kidde PI =
2000
> smoke dectors to talk to each other.  They replaced 3 very old =
detectors=20
> which were apparently wired together also. As described in a previous =
post,=20
> when my new ones were hooked up to
> the third wire (red) they all just cycle on and off.
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> So, I guess there are two main possibilities, as folks have mentioned:
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> a. that there is perhaps another detector on the line somewhere that I =
am=20
> not
> aware of.  But, I really looked all over, including the attic, and =
cannot=20
> find any other.
> Still, it is just about impossible to trace the wires, and maybe there =
is=20
> one that was plastered over, or... ?
> 30 yr old house, so anything is possible.
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> b.  I disconnected the red wires from each detector to the red =
interconnect=20
> wire interconnecting the 3 new detectors, and measured the voltage =
appearing=20
> between the interconnect wire and the white neutral.
> Couldn't believe it.  Seems there is about 2 volts AC appearing.
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> Of all the weird voltages, this is a tough one.
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> It certainly isn't inductive coupling, but might be "leakage" from=20
> "something"
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> Was wondering if any one might have any thoughts on this.
> What uses 2 V AC ?
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> Sure has me stumped.  Becoming an intellectual challenge by now.
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> Haven't looked into this yet, but just had the thought that perhaps =
the=20
> thermal safety
> cutout (that little downward facing wheel coming out of a 4" gang boxy =
the=20
> furnace) on the power to the gas forced hot air furnace we have, is=20
> connected back to the alarms to indicate if it is ever tripped.
> Perhaps leakage thru this if wired in to the detectors ?  Anyone here =
ever=20
> run across anything like this ?
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> Is this something, or a wiring scheme, they may have used =
way-back-when,
> or not very likely ?
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> Thanks,
> Bob=20
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>