Hi Dana, We have been using Grundfos SQ-O 1/2 hp, 5 GPM (or they have a 10 GPM model) soft start pumps for years, with great outcomes. We have sold 60 or so over the years with no returns.
Daryl > Hey all you solar wise guys, > > > > I am looking for a recommendation based on your experience, not just data > sheets for a 120 volt-9.8 amp-1/2HP well pump soft starter. Every time the > well pump starts the SW4024 groans and the lights flicker. > > > > There are a lot of units that claim to soft start a ½ HP, but the reality > is > that they claim ½ HP but are limited to 3.3 amp+/- output. I asked how > this > is and was met with the usual, gee gosh I am not sure. I have one in > hand > now from ABB that is guilty of this claim. > > > > Some units claim to meet the spec but then you must limit the wire length > to > 30 meters. The well is 150 from the house & 120 ft deep so a 270 wire > run > with what the well guy threw in 18 years ago. VFW cable [multi strand > cable] > is a partial answer but not down in the well. > > Somewhere down the road the inverter & the well pump will get replaced but > for now it is working. The newer 3PH wild AC drives are amazing on a > Radian > Inverter. You cannot even tell the well is pumping till it has been for a > while and the fans kick on. > > > > Suggestions & directions that have proven reliable for you? > > Thanks. > > > > > > ---------------------------------------------------------------------------- > > Dana Orzel Great Solar Works, Inc. > > C - 208.721.7003 d...@solarwork.com > > Idaho Contractor - # 028765 Idaho PV # 028374 > > NABCEP # 051112-136 www.solarwork.biz > <http://www.solarwork.biz> > > "Responsible Technologies for Responsible People since 1988" > > P Please consider the environment before printing this email. > > > > > > _______________________________________________ > 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://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > 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://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out or update participant bios: www.members.re-wrenches.org
