Re: Replacing Radionics with Vista 20P

[mleuck <m.leuck@xxxxxxxxx>]

On Jan 29, 7:11=A0pm, Frank Kurz <t...@xxxxxxxxxxxxx> wrote:
> On 21/01/2011 6:49 PM, Christopher Glaeser wrote:
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> > The Radionics uses 2K EOLR for fire and 1K EOLR for alarm. The Vista
> > uses 2K for both fire and alarm. I replaced all the 1K alarm EOLRs with
> > 2K EOLRs and all the alarm sensors are now functioning on the Vista.
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> > The Radionics D2112 uses powered two-wire 2K EOLR on the fire zone, so =
I
> > did not have to replace that resistor. However, the Vista 20P panel
> > still indicates a fault on the fire zone (The Radionics did not report =
a
> > fault prior to removal). I have checked polatiry (positive on 8,
> > negative on 9) and tested voltages at the panel, at the smoke, and
> > across the EOLR. All are 13+ VDC. The resistance of the fire circuit is=
 2K.
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> > There are two fire devices wired to the panel. One is a System Sensor
> > 2100TD smoke and the other is a Potter VSR-SF waterflow alarm.
> > Four-conductor fire wire runs from the panel to each fire device,
> > red/black powered outgoing and blue/brown return. The return pair of th=
e
> > first is wired to the outgoing of the second. The second return has a 2=
K
> > EOLR.
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> > Question: Are these two fire devices compatible with the Vista 20P?
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> > Best,
> > Christopher
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> I seem to recall you have to cut a jumper in the Vista 20 for zone 1 to
> be a supervised fire circuit. =A0Mind you, my memory could be faulty. =A0=
:-)
>
> --
> Frank Kurzwww.firetechs.net

That supervises the siren circuit