It sounds to me like Sell Mode is Enabled without the GTI... But it's been a long time since I played with an SW and GTI...
Steve Higgins On Mon, Dec 19, 2022 at 7:29 AM Chad Waits via RE-wrenches < re-wrenches@lists.re-wrenches.org> wrote: > I thought the SW needed a Grid Tie Interface (GTI) > <https://www.altestore.com/store/media/pdfs/xantrex/Grid%20Tie%20Interface%20(GTI)%20Data%20Sheet.pdf> > to keep current from leaking out to the grid even if you didn;t want to > sell to them... > > Chad Waits > President - Net Zero Solar > 945 W. Silverlake, Tucson, AZ 85713 > Cell: (520) 270-4873 > > > > On Mon, Dec 19, 2022 at 8:21 AM David Palumbo via RE-wrenches < > re-wrenches@lists.re-wrenches.org> wrote: > >> Wrenches, >> >> >> >> I have been retired from doing solar installs for 10 years now and I am >> reaching out for help as to recommending a solution to an old >> do-it-yourself customers question. >> >> His solar system that was formerly off-grid and is now using grid power >> instead of a back up generator. >> >> He had/has no intention of doing a net-metered system. Just trying to >> reduce dependance on a fossil fuel genset during our mostly sunless Vermont >> winters. >> >> >> >> He says that he brought in power a few years ago to run their expanding >> maple sugaring operation located next to their house. At that time they ran >> a 115Vac circuit (grid power) over to their house and connected grid power >> into AC Hot In terminal #! in their Trace SW 2512. This is correct as I see >> terminal #2 is labeled for generator power. >> >> He has the Trace programmed for float mode not sell mode. >> >> >> >> Their local utility was working on the line nearby on the main road and >> noticed a small amount of current flowing into the grid and figured out >> where it was coming from. The utility did not immediately shut him down. >> Just told him to correct the problem. He is asking me for advice. >> >> >> >> My first inclination is to separate the grid power completely from the >> inverter power and to feed both power sources into a double pole double >> throw transfer switch. What other options should be considered. >> >> >> >> Thanks in advance and happy holidays, >> >> >> >> Dave Palumbo >> >> Formerly > Independent Power & Light >> >> Hyde Park, VT >> >> 802-371-8678 voice or text >> >> >> >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> Pay optional member dues here: http://re-wrenches.org >> >> List Address: RE-wrenches@lists.re-wrenches.org >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> There are two list archives for searching. When one doesn't work, try the >> other: >> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> http://www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> http://www.members.re-wrenches.org >> >> _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org > >
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