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
>>
>>
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>> --
>
> William Miller
> Miller Solar.com
> 895-438-5600
> www.millersolar.com
> _______________________________________________
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-- 
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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