The Sunpumps controller only requires solar panels as DC input. You do not need a charge controller.
On Tue, Mar 15, 2022 at 12:49 PM William Miller <[email protected]> wrote: > Windy: > > Thanks for the info. I have been in contact with Sun Pumps. They can sell > me a pump that will work off of a high voltage battery bank (greater than > 90 VDC and likely much higher). However they cannot provide or recommend a > charge controller to output PV charge at the higher voltage. Do you or any > wrench know of a high voltage charge controller on the market? > > Thanks in advance. > > William > > On Thu, Mar 10, 2022 at 8:29 AM Windy Dankoff <[email protected]> > wrote: > >> Dear William, >> >> SunPumps has a new helical rotor submersible series (positive >> displacement) that is typically much more efficient for high lift compared >> to a normal multi-stage centrifugal sub (you'll have to compare the specs). >> >> https://www.sunpumps.com/Products/HR%2010-525%20AC%20DC >> >> I have no inside-knowledge of this item, but it's based on good >> technology similar to Lorentz and Grundfos and SunPumps is on the same >> level as a world leader. >> >> With any DC pump, you need to be sure it's compatible with battery power >> if you need 24/7. >> >> I hope you'll let us know how it goes. >> >> Windy >> >> >> *From: *William Miller <[email protected]> >> *Subject: **[RE-wrenches] 24/7 wATER pUMPING* >> *Date: *March 8, 2022 at 7:53:37 AM MST >> *To: *RE-wrenches <[email protected]> >> *Reply-To: *<[email protected]> >> >> >> Friends: >> >> >> I have a client that wishes to pump water at about 10 GPM from spring >> through autumn equinoxes. Lift is 300 feet. (This is the project that >> will not siphon beyond 33 feet.) >> >> >> I can design a solar/battery/inverter system for this purpose but I am >> wondering if there is a direct DC option. I am going to look at the >> Grundfos SQ-Flex tables to see if this is an option. >> >> >> Does anyone out there have any advice on best approach to this project? >> >> >> Thanks in advance, >> >> >> William Miller >> >> >> Miller Solar >> 17395 Oak Road, Atascadero, CA 93422 >> 805-438-5600 >> www.millersolar.com >> CA Lic. 773985 >> >> >> >> >> >> >> >> *From: *Jerry Shafer <[email protected]> >> *Subject: **Re: [RE-wrenches] 24/7 wATER pUMPING* >> *Date: *March 8, 2022 at 8:58:16 AM MST >> *To: *William Miller <[email protected]>, RE-wrenches < >> [email protected]> >> >> >> William >> Here is the deal it will be simplest to go AC for the pump because of the >> requirement of high voltage DC yes there are small er output DC pumps but >> that is not what you need, first find a AC pump that can do the required 10 >> GPM at 300 feet of head then design a inverter to fit that bill PV to >> recharge that usage and then some. look at the first and last day of the >> desired water demand and go the shorted day as a production base line. When >> looking at pumps grundfus is very efficient in DC and wild AC but at a cost >> so look at options output vs input. I have done this with Grundus and DC >> direct to a 50K storage tank at the very top of the property so it can be >> done with DC so AC just requires additional nighttime. >> Here might be an option large enough storage tank to fill every night and >> a pump big enough to drain it every day, this can be done DC direct, >> cheaper and less moving parts and the pump can run on a genny if you have >> bad weather for days, This is how the ones I have done work. >> Jerry >> >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> Pay optional member dues here: http://re-wrenches.org >> >> List Address: [email protected] >> >> 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/[email protected]/ >> 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 >> >> -- > > William Miller > Miller Solar.com > 895-438-5600 > www.millersolar.com > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: [email protected] > > 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/[email protected]/ > 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 > > -- 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/>
_______________________________________________ List sponsored by Redwood Alliance Pay optional member dues here: http://re-wrenches.org List Address: [email protected] 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/[email protected]/ 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

