Anyone try Low Tech energy in Colorado? 800-837-3507 > On Sep 16, 2020, at 1:00 PM, Dave Angelini Offgrid Solar > <offgridso...@sti.net> wrote: > > I just dialed Ivan pumps (EL Sid) and it is disconnected. Not good! Anybody > know for sure? > > > Dave Angelini Offgrid Solar > "we go where powerlines don't" > http://members.sti.net/offgridsolar/ <http://members.sti.net/offgridsolar/> > e-mail offgridso...@sti.net <mailto:offgridso...@sti.net> > text 209 813 0060 > On Wed, 16 Sep 2020 09:13:18 -0700, Dave Angelini Offgrid Solar > <offgridso...@sti.net> wrote: > >> I have not seen electronics fail in an El Cid from Ivan labs fail. Probably >> only 4 installed. The one here is 15 years old on my domestic hot water. The >> others are still working, I think. >> >> Talk to Dan at Ivan and see what he says. There was not a website really >> (last time I looked) but here is the number >> >> ivan labs 561-747-5354 Talk with Dan >> >> >> >> Dave Angelini Offgrid Solar >> "we go where powerlines don't" >> http://members.sti.net/offgridsolar/ <http://members.sti.net/offgridsolar/> >> e-mail offgridso...@sti.net <mailto:offgridso...@sti.net> >> text 209 813 0060 >> On Wed, 16 Sep 2020 09:55:31 -0600, Ray <r...@solarray.com> wrote: >> >> I've always suspected that one of the issues was the variable voltage of DC >> systems. Batteries get low, and the current increases quite a bit, cold >> weather or EQing and the voltage can get really high and cause problems. >> The total variation just seems to take out a fair bit of both brushes and >> controls. This is just my long standing theory however, and I don't have >> Lab results. >> >> I actually had similar problems on 120 vac, when I lived on the edge of the >> grid. Voltage varied from 90 to 145 vac, and cooked quite a few things like >> washing machine controls (every 3 months or so) Once I put in a backup >> power system to protect those circuits, the controls lasted for a decade. >> >> Ray Walters >> Remote Solar >> 303 505-8760 >> On 9/15/20 10:29 PM, Sindelar Solar wrote: >> This has been my experience as well, although I can't give such specific >> rationale as to why the El Sids failed - the electronics just usually and >> eventually fail in my battery-based hydronic system. The Marches just >> eventually wear out. >> >> Allan >> >> On 9/15/2020 9:57 PM, Howie Michaelson wrote: >> Dave, >> I used to use El Sids a lot in SHW systems with direct PV drive for the >> glycol circulation. I've long stopped installing SHW, but have used them in >> off grid hydronic heat systems as well. The electronics have failed on many >> of these pumps over the years. They seem particularly intolerant of higher >> voltages, even small ones, which if they are being driven off battery >> voltage, is hard to avoid. None-the-less while I really liked the El Sids, >> they were too expensive to have as many failures as they did. I'm familiar >> with March pumps as well, but they always seem to fail prematurely as well, >> for even more money. I was hoping there might be a suitable replacement for >> a somewhat less expensive alternative. >> Howie >> Howie Michaelson >> Sun Catcher >> NABCEP Certified Solar PV Installer™ >> >> Solar Electric Systems Sales & Service >> 802-272-0004 >> >> On Tue, Sep 15, 2020 at 10:29 AM Dave Angelini Offgrid Solar >> <offgridso...@sti.net <mailto:offgridso...@sti.net>> wrote: >> Why did the El Sid fail? The one way I have seen them fail, and any pump for >> that matter is rain water that has (for some reason) lower than a normal PH. >> Below from wiki. >> >> Normal, clean rain has a pH value of between 5.0 and 5.5, which is slightly >> acidic. However, when rain combines with sulfur dioxide or nitrogen >> oxides—produced from power plants and automobiles—the rain becomes much more >> acidic. Typical acid rain has a pH value of 4.0. >> >> >> Dave Angelini Offgrid Solar >> "we go where powerlines don't" >> http://members.sti.net/offgridsolar/ <http://members.sti.net/offgridsolar/> >> e-mail offgridso...@sti.net <mailto:offgridso...@sti.net> >> text 209 813 0060 >> On Mon, 14 Sep 2020 23:49:35 -0400, Howie Michaelson >> <howie.michael...@gmail.com <mailto:howie.michael...@gmail.com>> wrote: >> >> Hi All, >> I need to replace 3-5 El Sid pumps I'm using in a low volume hydronic >> heating system. Other than laing pumps, are there any recommendations for >> 12, 24, or 48 vDC pumps? Having magnetic drives that mate with the impeller >> body of the El Sids, would be a bonus. >> Thanks, >> Howie >> Howie Michaelson >> Sun Catcher >> NABCEP Certified Solar PV Installer™ >> >> Solar Electric Systems Sales & Service >> 802-272-0004 >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> 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> >> >> List-Archive: >> 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: >> www.re-wrenches.org/etiquette.htm <http://www.re-wrenches.org/etiquette.htm> >> >> Check out or update participant bios: >> www.members.re-wrenches.org <http://www.members.re-wrenches.org/> >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> 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> >> >> List-Archive: >> 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: >> www.re-wrenches.org/etiquette.htm <http://www.re-wrenches.org/etiquette.htm> >> >> Check out or update participant bios: >> www.members.re-wrenches.org <http://www.members.re-wrenches.org/> >> >> -- >> Allan Sindelar >> al...@sindelarsolar.com <mailto:al...@sindelarsolar.com> >> NABCEP Certified PV Installation Professional >> New Mexico EE98J Journeyman Electrician >> Founder (Retired), Positive Energy, Inc. >> 505 780-2738 cell >> >> >> >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> 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> >> >> List-Archive: >> 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: >> www.re-wrenches.org/etiquette.htm <http://www.re-wrenches.org/etiquette.htm> >> >> Check out or update participant bios: >> www.members.re-wrenches.org <http://www.members.re-wrenches.org/> >> > _______________________________________________ > List sponsored by Redwood Alliance > > 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 > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org >
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