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<p><font size="4">Hi Lloyd, Did you tie into the 12VDC of the SolArk
with the lock pushbutton switch?</font><br>
</p>
<div class="moz-cite-prefix">On 11/18/2022 10:47 AM, Lloyd
Hoffstatter wrote:<br>
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<div dir="ltr">Chris,</div>
<div dir="ltr">For emergency shutoff switch i just used a
lock pushbotton switch in a clear front lockable box with
an led to indicate status. We did use an external power
supply because we were using Tigo optimizers, CCA and TAP.</div>
<div dir="ltr">Best regards,</div>
<div dir="ltr">Lloyd</div>
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt"
face="Calibri, sans-serif" color="#000000"><b>From:</b>
RE-wrenches <a class="moz-txt-link-rfc2396E" href="mailto:re-wrenches-bounces@lists.re-wrenches.org"><re-wrenches-bounces@lists.re-wrenches.org></a>
on behalf of Christopher Warfel via RE-wrenches
<a class="moz-txt-link-rfc2396E" href="mailto:re-wrenches@lists.re-wrenches.org"><re-wrenches@lists.re-wrenches.org></a><br>
<b>Sent:</b> Friday, November 18, 2022 10:14:52 AM<br>
<b>To:</b> Bradley Bassett <a class="moz-txt-link-rfc2396E" href="mailto:bbassett2@gmail.com"><bbassett2@gmail.com></a>;
RE-wrenches <a class="moz-txt-link-rfc2396E" href="mailto:re-wrenches@lists.re-wrenches.org"><re-wrenches@lists.re-wrenches.org></a><br>
<b>Cc:</b> Christopher Warfel
<a class="moz-txt-link-rfc2396E" href="mailto:cwarfel@entech-engineering.com"><cwarfel@entech-engineering.com></a><br>
<b>Subject:</b> Re: [RE-wrenches] SolArk and Tigo
compatibility</font>
<div> </div>
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<div>
<p><font size="4">Thanks everyone, the person I started with a
SolArk asked me to call them, so I've left a message. I'll
let everyone know what the determination is. Bradley raises
a good point about shutting down the back up loads panel. We
would like to have an outdoor accessible disconnect switch
between the back up loads panel and the inverter so that can
happen more easily for first responders. I have to go back
and understand a few more things and will let you know.
Thanks again. Chris</font><br>
</p>
<div class="x_moz-cite-prefix">On 11/16/2022 10:14 PM, Bradley
Bassett wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">The issue as I see it is that the Tigo RSS
Transmitter and the APsmart transmitter are both rated to
draw up to 800ma. The 12VDC output of the Sol-Ark inverters
is limited to 100ma. Since some have used this
successfully I suppose that means that either these
transmitters don't really use more than 100ma, or the 12VDC
output of the Sol-Ark can actually handle more than that, or
some combination of both. If I owned a Sol-Ark I'd test this
to see what the answer is, but alas I do not. I design
systems using a 48VDC to 12VDC power supply (Online
Components has a Mean-Well device for a reasonable price,
sorry no link from here) and a fairly rare IMO shutdown
button (we have that) that has both NO and NC contacts. This
is needed because to shut down the Sol-Ark inverter requires
a NO contact that closes on initiation which is quite rare
in RSD initiators. And you do still need to shut down the
inverter as well as the RSD devices so that it does not
continue to feed voltage back into the PV circuits (I
think). This also shuts down the AC output of the Sol-Ark
which tends to make the inspector happy. Since it also shuts
down the inverter, that limits the battery to its own
circuits, does this count as a battery disconnect also?? I'm
seeing some inspectors calling out for battery disconnects
which is much more problematic.
<div><br>
</div>
<div>Brad Bassett</div>
<div>AEE Solar</div>
</div>
<br>
<div class="x_gmail_quote">
<div dir="ltr" class="x_gmail_attr">On Wed, Nov 16, 2022 at
4:27 PM Jerry Shafer via RE-wrenches <<a
href="mailto:re-wrenches@lists.re-wrenches.org"
class="x_moz-txt-link-freetext moz-txt-link-freetext"
moz-do-not-send="true">re-wrenches@lists.re-wrenches.org</a>>
wrote:<br>
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<blockquote class="x_gmail_quote" style="margin:0px 0px 0px
0.8ex; border-left:1px solid rgb(204,204,204);
padding-left:1ex">
<div dir="ltr">Wrenches, Christopher
<div>I have done quite a few and per solark have always
connected in the inverter with no issues, Now with
that connecting to the output side it would do much
the same work until it did not then shut off the
modules.</div>
<div>Fun times</div>
</div>
<br>
<div class="x_gmail_quote">
<div dir="ltr" class="x_gmail_attr">On Wed, Nov 16, 2022
at 6:33 AM Christopher Warfel via RE-wrenches <<a
href="mailto:re-wrenches@lists.re-wrenches.org"
target="_blank" class="x_moz-txt-link-freetext
moz-txt-link-freetext" moz-do-not-send="true">re-wrenches@lists.re-wrenches.org</a>>
wrote:<br>
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<blockquote class="x_gmail_quote" style="margin:0px 0px
0px 0.8ex; border-left:1px solid rgb(204,204,204);
padding-left:1ex">
<div>
<p><font size="4">Hi, We are doing our first system
with these two devices. The inverter is SolArk
12P (mutimode) and the Tigo product for RS is
the TS4F. Tigo has me a little bit walking in
circles.
<br>
</font></p>
<p>I told them that SolArk says not to use the 12VDC
RS output terminals for connecting the
transmitter. I gave them the attached drawing
which they ask for, which shows the transmitter
connected to a 120VAC/12VDC breaker which they
supply. They told me to wire the 120VAC source to
the main service panel so the array would shut
down on loss of power. I told them that is exactly
NOTwhat I wanted to happen as that would stop the
battery charging when there is a loss of utility
power. I said I wanted the 120VAC source to be the
back up loads panel. After about a week of calls
and emails, I got an email back saying to use the
SolArk 12VDC terminals for RS. I just emailed
them a screen shot of the SolArk manual that says
not to do that.</p>
<p>At this point, I am asking anyone on the list to
let me know how they wired the transmitter
successfully. Thank you for any guidance, Chris
Warfel<br>
</p>
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Christopher Warfel</font><br>
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ENTECH Engineering, Inc.</font><br>
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RI 02807</font><br>
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