My experience with the Pentair variable speed pool pumps is that they start full speed and then slow, which is exactly what you don't want. The well pumps may be different.
On Tue, Sep 22, 2020 at 5:58 PM Dana Orzel <d...@solarwork.com> wrote: > If you have 240 VAC look at the Pentair wild AC pumps I have one at 20 GPM > and am a believer. Tapers on - soft start, varies the volts & amperage with > flow and tapers the amperage down as it reaches a full expansion tank. > > Even better my local well pump installer sells & services it so I do not > have to! Getting a little smarter as I get older. > > > > Dana Orzel Great Solar Works, Inc. > C - 208.721.7003 d...@solarwork.com > Idaho Contractor - # 028765 Idaho PV # 028374 > NABCEP # 051112-136 www.solarwork.com > "Responsible Technologies for Responsible People since 1988" > Please consider the environment before printing this email. > > > -----Original Message----- > From: RE-wrenches <re-wrenches-boun...@lists.re-wrenches.org> On Behalf > Of frenergy > Sent: Tuesday, September 22, 2020 1:12 PM > To: re-wrenches@lists.re-wrenches.org > Subject: [RE-wrenches] Pump power > > Wrenchers, > > We're upgrading an off-grid water system. Dynamic head while > pumping at 20 GPM is 150 ft from water level to wellhead and then its 85 ft > vertical to storage tank so 235 ft total head to open discharge. We would > like to get most of that 20 GPM, we need to know if there is personal > experience with starting a 1.5 or 2 HP, 240 vac, 2 wire submersible pump > against that kind of head with an Outback Flex > Power2 (2 X VFXR3648A-01 inverters). > > The FP2 will also be powering standard off-grid loads. There > is plenty of battery behind the inverters. If a soft-start solution is > required, some specifics would be great. Grundfos doesn't seem to have an > option for these requirements, solar-direct is not an option at this > location. > > Thanks, > > Bill > > Feather River Solar Electric > Bill Battagin, Owner > 4291 Nelson St. > Taylorsville, CA 95983 > 530.284.7849 > CA Lic 874049 > www.frenergy.net > > > -- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus > > > _______________________________________________ > 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 > > > _______________________________________________ > 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 > > -- Chris Mason Solar systems designer Generac Generators Industrial technician Comet Systems Ltd DBA Comet Solar Anguilla Cell 264.235.5670 WhatsApp 264.235.5670 Skype: netconcepts www.cometsolar.com <http://www.cometenergysystems.com/>
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