.Signature Smoke wired as a 2 wire smoke

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Leo
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Joined: Thu Dec 11, 2008 7:52 am

.Signature Smoke wired as a 2 wire smoke

Post by Leo »

The Signature smoke (siga-PS/PHS) can be used as a 2 wire smoke.

Found this by accident, a contractor wired a siga-PH to a hard wire zone and it just worked.
So I called EST and he said it would work, but that is all he said, he had no paper work to read.
CANTECH
Posts: 2
Joined: Sun Mar 08, 2015 9:24 am

Re: .Signature Smoke wired as a 2 wire smoke

Post by CANTECH »

Yes they work, but they are not listed for that application.

It is a nice feature when you do a panel transfer and are replacing the detectors. But on paper it is not officially working.

Beware
Chanwh898
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Joined: Fri May 21, 2010 11:45 pm

Re: Signature Smoke wired as a 2 wire smoke

Post by Chanwh898 »

Yes, the detector should work like in standalone mode, where power is available but no communication with the loop card.
gururaja20
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Joined: Tue Jul 20, 2010 12:36 am
Location: bangalore
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Re: Signature Smoke wired as a 2 wire smoke

Post by gururaja20 »

Dear Friend,
I cant understand your explanation, could you explain the same
Leo
Site Admin
Posts: 886
Joined: Thu Dec 11, 2008 7:52 am

Re: Signature Smoke wired as a 2 wire smoke

Post by Leo »

There are two types of smoke detectors (intelligent / hardwired)
The siga-PS/PHS are intelligent devices they communicate on a SLC line.
by accident I found that the siga-PS/PHS will also work as a hardwired 2 wire smoke detector.
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