[RE-wrenches] Rapid Shutdown Control for a System for a Multimode System Adding an Array to a Subpanel in Garage
Christopher Warfel
cwarfel at entech-engineering.com
Wed Nov 24 14:39:45 EST 2021
Thanks to everyone, the setting I had said AC coupling No. I did not
realize that a firmware upgrade could enable that. I think it is best
to try frequency shift for this particular case. Thanks again to
everyone. Chris
On 11/24/2021 12:38 PM, Tuss, Lones wrote:
>
> Hello Chris
>
> Sorry for the slow response I foolishly took a couple of days of
> vacation.
>
> I see this system is on Optics. The GS4048A inverter can do AC
> Coupling with frequency shift. It will need to be upgraded from the
> current rev of 001.006.063 to 001.007.070 below is a link to that
> firmware.
>
> https://outbackpower.com/resources-mobile/technical-support/firmware-updates/item/radian-series-firmware-updates
>
> Once the new firmware is installed will need to change the default
> Installer password of 1732 to a different 4 digit number after doing
> so In the inverter you can go to the menu and enable AC Coupling.
>
> Below are instructions for changing the default Installer Password.
>
> https://outbackpower.com/downloads/documents/system_management/mate3s/mate3s_programmingguide_web.pdf
>
> please see S-16 in the manual above.
>
> Below is a link to the AC Coupling App Note
>
> https://outbackpower.com/downloads/documents/appnotes/ac_coupling_radian.pdf
>
> I too speak English as my native foreign language below is a link to
>
> Fowlers Modern English Usage
>
> It has helped me to spoke more lucidly and communicate more better.
>
> https://www.amazon.com/s?k=fowlers+modern+english+usage&crid=3AUWAC3TGDBWQ&sprefix=fowlers+%2Caps%2C277&ref=nb_sb_ss_ts-doa-p_2_8
> <https://www.amazon.com/s?k=fowlers+modern+english+usage&crid=3AUWAC3TGDBWQ&sprefix=fowlers+%2Caps%2C277&ref=nb_sb_ss_ts-doa-p_2_8>
>
> Thanks for using OutBack
>
> Chris you have my # if you have questions.
>
> Have a good Thanksgiving and Stay Safe.
>
> Take Care All
>
> *From:* RE-wrenches
> <re-wrenches-bounces at lists.re-wrenches001.007.070.org> *On Behalf Of
> *Christopher Warfel
> *Sent:* Tuesday, November 23, 2021 9:40 AM
> *To:* August Goers <august at luminalt.com>; RE-wrenches
> <re-wrenches at lists.re-wrenches.org>
> *Subject:* Re: [RE-wrenches] Rapid Shutdown Control for a System for a
> Multimode System Adding an Array to a Subpanel in Garage
>
>
>
>
> *CAUTION:*This email originated from outside of the Company. Do not
> click links or open attachments unless you recognize the sender and
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>
> It was tough for me to figure out how to write my email and not make
> it confusing.
>
> What I am worried about is the microinverter system operating when the
> utility goes down and the microinverters continuing to operate and
> charge the batteries as a load. I need to disconnect the
> microinverter circuit only when the batteries are fully charged in
> grid isolated mode. All the ways I can think of that would normally
> work to deenergize the microinverters automatically based upon battery
> voltage won't work. I can submit a drawing if that would help. I am
> trying not to run another conductor circuit from the house to the
> garage. I realize that would solve the problem, but it is an
> expensive solution. English is my foreign native language.
>
> On 11/23/2021 10:39 AM, August Goers wrote:
>
> Hi Chris - If I'm following you right, you have a PV system on a
> detached garage that ties into a backup subpanel also in the
> garage? The code only requires the RSID (rapid shutdown
> initiation device) to be on the exterior of the building. Would it
> work to put the RSID on the garage exterior? You could route your
> PV circuits to a switch or switches on the exterior of the garage
> on the way down to the sub it ties into. You could also use a
> shunt trip breaker(s) for the PV circuit(s). If for some reason
> you need to have the RSID on the main house, it gets trickier.
> Might need to trench?
>
> August
>
> Luminalt
>
> On Tue, Nov 23, 2021 at 7:24 AM Christopher Warfel
> <cwarfel at entech-engineering.com> wrote:
>
> I would appreciate ideas on how to shut down a proposed
> microinverter system on a garage that is 100% serviced by an
> Outback Radian multimode system in the main building that has
> the garage on the back up service panel in the main building.
>
> Garage has a MLO subpanel that is connected to the multimode
> back up service panel that is in the main building.
>
> If grid goes down, we need to disconnect the microinverter
> array so it does not overcharge the battery system. If we use
> the battery voltage relay, we will take out all the garage
> circuits, which would disable its heating system, etc. We just
> want to disconnect the microinverter circuit in the garage
> subpanel.
>
> Does anyone know of a product that could do this. I would
> imagine a transmitter, or perhaps something else besides a
> microinverter array?
>
> Thanks for any help. Chris
>
> --
>
> Christopher Warfel
> ENTECH Engineering, Inc.
> PO Box 871, Block Island, RI 02807
> 401-466-8978
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> --
>
> Christopher Warfel
> ENTECH Engineering, Inc.
> PO Box 871, Block Island, RI 02807
> 401-466-8978
> <https://protect2.fireeye.com/v1/url?k=29e1c951-767af1aa-29e2c0da-861a44d80f79-821d84c651c96860&q=1&e=419d5d1e-c0ac-4d3f-ad1a-8cfab76f8c9b&u=http%3A%2F%2Fentech-engineering.com%2F>
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--
Christopher Warfel
ENTECH Engineering, Inc.
PO Box 871, Block Island, RI 02807
401-466-8978
<http://entech-engineering.com>
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