Hi Lloyd, Did you tie into the 12VDC of the SolArk with the lock
pushbutton switch?
On 11/18/2022 10:47 AM, Lloyd Hoffstatter wrote:
Chris,
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.
Best regards,
Lloyd
Get Outlook for iOS <https://aka.ms/o0ukef>
------------------------------------------------------------------------
*From:* RE-wrenches <re-wrenches-boun...@lists.re-wrenches.org> on
behalf of Christopher Warfel via RE-wrenches
<re-wrenches@lists.re-wrenches.org>
*Sent:* Friday, November 18, 2022 10:14:52 AM
*To:* Bradley Bassett <bbasse...@gmail.com>; RE-wrenches
<re-wrenches@lists.re-wrenches.org>
*Cc:* Christopher Warfel <cwar...@entech-engineering.com>
*Subject:* Re: [RE-wrenches] SolArk and Tigo compatibility
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
On 11/16/2022 10:14 PM, Bradley Bassett wrote:
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.
Brad Bassett
AEE Solar
On Wed, Nov 16, 2022 at 4:27 PM Jerry Shafer via RE-wrenches
<re-wrenches@lists.re-wrenches.org
<mailto:re-wrenches@lists.re-wrenches.org>> wrote:
Wrenches, Christopher
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.
Fun times
On Wed, Nov 16, 2022 at 6:33 AM Christopher Warfel via
RE-wrenches <re-wrenches@lists.re-wrenches.org
<mailto:re-wrenches@lists.re-wrenches.org>> wrote:
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.
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.
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
--
Christopher Warfel
ENTECH Engineering, Inc.
PO Box 871, Block Island, RI 02807
401-466-8978
<http://entech-engineering.com>
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Christopher Warfel
ENTECH Engineering, Inc.
PO Box 871, Block Island, RI 02807
401-466-8978
<http://entech-engineering.com>
--
Christopher Warfel
ENTECH Engineering, Inc.
PO Box 871, Block Island, RI 02807
401-466-8978
<http://entech-engineering.com>
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