I have neve heard that but I would connect the utility to the AC1 input as the window is quite narrow then the grid. The GTI was a piss poor way for trace to regulate “sell” current would ramp up & back down all day long. NOT necessary. BUT then again that old duffer; SH probably has more brain cells left then I do. > On Dec 19, 2022, at 10:27 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 > <mailto: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 > <http://re-wrenches.org/> > > List Address: RE-wrenches@lists.re-wrenches.org > <mailto:RE-wrenches@lists.re-wrenches.org> > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > <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/ > <https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/> > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org> > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > <http://www.re-wrenches.org/etiquette.htm> > > Check out or update participant bios: > http://www.members.re-wrenches.org <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 >
> Tump > <blocked::mailto:t...@swnl.net%22%20%5Co%20%22blocked::mailto:t...@swnl.net>3...@gmail.com > www.SWNL.net > <blocked::http://www.swnl.net/%22%20%5Co%20%22blocked::http://www.swnl.net/> > Solarwinds Northernlights > Serving Mid Coast Maine & Northern California > 207-832-7574 Cl. 610-517-8401 > > Blair "TUMP" May > ******** MAINE'S CHARTER ******** > NABCEP "Certified PV Installer" > > ******** MAINE'S CHARTER ******** > Trace Xantrex "Certified" Dealer / Installer" >
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