<HTML><BODY><p dir="ltr">Bob,<br>
Very good performance. Able to take a high charge rate and likes higher voltages than most other VRLA's (up to 7.5v for 6v). Only negatives I see are: not md in USA and very expensive.<br>
Dave Palumbo<br>
--<br>
Sent from myMail app for Android<br></p>
<p dir="ltr">Wednesday, 02 July 2014, 11:58PM +02:00 from "RE Ellison" <reellison@gmail.com>:</p>
<p dir="ltr">What has been everybody’s experience with Full River Batteries?<br>
 <br>
Bob<br>
 <br>
From: RE-wrenches [mailto:re-wrenches-bounces@lists.re-wrenches.org] On Behalf Of Roy Butler<br>
Sent: Wednesday, July 02, 2014 3:12 PM<br>
To: re-wrenches@lists.re-wrenches.org<br>
Subject: Re: [RE-wrenches] Magnum and Pumps<br>
 <br>
Sweet....thanks for that info, I stand corrected!</p>
<p dir="ltr">Roy Butler<br>
NABCEP Certified Solar PV Installer®<br>
NYSERDA eligible PV & wind installer<br>
IREC Certified Master Trainer™ for Small Wind Installer<br>
Four Winds Renewable Energy, LLC<br>
8902 Route 46, Arkport, NY 14807<br>
607-324-9747  www.four-winds-energy.com<br>
 <br>
Join us at the 10th Annual Small Wind Conference<br>
A Gathering of Installers, Manufacturers, Dealers, & Distributors<br>
June 17 and 18, 2014 in Stevens Point, Wisconsin<br>
www.smallwindconference.com<br>
 <br>
Although no trees were killed in the sending of this message,<br>
a large number of electrons were terribly inconvenienced.<br>
 <br>
               <br>
On 7/2/2014 2:55 PM, Larry Crutcher, Starlight Solar Power Systems wrote:<br>
>Hi Roy,<br>
> <br>
>The FullRiver DC400-6 AGM battery can issue 2000 amps for 5 seconds so he should be fine.<br>
> <br>
>Larry<br>
>On Jul 2, 2014, at 12:35 PM, Roy Butler < roy@four-winds-energy.com > wrote:<br>
> <br>
>I haven't seen anyone mention the battery bank. If I understand correctly, there's a single string of sealed<br>
>L16 batteries on this inverter. I have my doubts as to whether or not that bank can provide the high current<br>
>the inverter needs to start this load.<br>
><br>
>Roy Butler<br>
>NABCEP Certified Solar PV Installer®<br>
>NYSERDA eligible PV & wind installer<br>
>IREC Certified Master Trainer™ for Small Wind Installer<br>
>Four Winds Renewable Energy, LLC<br>
>8902 Route 46, Arkport, NY 14807<br>
>607-324-9747  www.four-winds-energy.com<br>
> <br>
>Join us at the 10th Annual Small Wind Conference<br>
>A Gathering of Installers, Manufacturers, Dealers, & Distributors<br>
>June 17 and 18, 2014 in Stevens Point, Wisconsin<br>
>www.smallwindconference.com<br>
> <br>
>Although no trees were killed in the sending of this message,<br>
>a large number of electrons were terribly inconvenienced.<br>
> <br>
>               <br>
>On 7/2/2014 2:10 PM, Jason Szumlanski wrote:<br>
>>To further qualify my statements, the inverter will start the pump without issue, but I should echo the warnings by others that if there are other loads present, especially other motor loads that could start ​ concurrently, you may experience issues. As long as your customer understands the limitations and possibilities, you may be just fine.<br>
>> <br>
>>Jason Szumlanski<br>
>>​ Fafco Solar ​<br>
>> <br>
>> <br>
>>On Wed, Jul 2, 2014 at 11:00 AM, Jason Szumlanski < jason@fafcosolar.com > wrote:<br>
>>For what it's worth, I've run a single speed 1.5HP pool pump with a MS4448PAE in a mobile application on a 38.4kWh battery bank (sixteen Rolls S-530's). I have also run a 2.5HP Hayward EcoStar Variable Speed pool pump at full RPM, but that startup current is likely less than you well pump.<br>
>> <br>
>>I'm going to guess your 3/4HP well pump will be a breeze to start with this inverter.<br>
>> <br>
>>Jason Szumlanski <br>
>>​ Fafco Solar ​<br>
>> <br>
>> <br>
>>On Wed, Jul 2, 2014 at 10:47 AM, Allan Sindelar < allan@sindelarsolar.com > wrote:<br>
>>Drake,<br>
>>As a normal CYA, I'll always gently let a customer know that this (or any) particular combination of inverter and load sometimes proves incompatible, just in case the unexpected happens. (We once had a MS4448 that would not reliably start and run a condensing boiler; a switch to a different boiler resolved the issue.)<br>
>><br>
>>Having said that note of caution, I wouldn't give it any concern. 3/4 HP and 1 HP well pumps have never been an issue; I would expect 1.5 HP to be easy to run. At 2 HP I'd be asking these questions here.<br>
>><br>
>>You might check that it's a 3-wire, capacitor-start motor, but nowadays nearly all are. Two-wire pumps (with no control box) can add 50% to the surge.<br>
>><br>
>>The Magnum has a fairly poor voltage regulation response. Sometimes the AC voltage can drop to ~80 VAC momentarily. So you might also caution your customer that the lights may flicker when the pump starts. In our home we know whenever our Kenmore fridge turns on.<br>
>><br>
>>Allan<br>
>>Allan Sindelar<br>
>>allan@sindelarsolar.com<br>
>>NABCEP Certified PV Installation Professional<br>
>>NABCEP Certified Technical Sales Professional<br>
>>New Mexico EE98J Journeyman Electrician<br>
>>Founder (Retired), Positive Energy, Inc.<br>
>>505 780-2738 cell<br>
>> <br>
>>On 7/2/2014 8:17 AM, Drake wrote:<br>
>>>Hello Wrenches,<br>
>>><br>
>>>We are hoping to use a Magnum PAE 4448 to back up a household that includes a 3/4 HP deep well pump. There is about 120 feet of vertical rise and about 1000 feet of horizontal distance.<br>
>>><br>
>>>I have been told that there is a correlation between the locked rotor current of a pump and the predictable ability of a specified inverter to power that pump.<br>
>>><br>
>>>The plumber who installed the pump left no paperwork and retained no records of what pump he put in the hole last year. He could only say it was a 3/4 HP pump. We are therefore unable to obtain the manufacturer's nameplate specifications.<br>
>>><br>
>>>The Magnum PAE 4448 has a 1 mS surge of 70 A (at 240 V) and a 100 MS surge of 40 A. According to the NEC Table 430.251(A), a 3/4 HP motor has a locked rotor current of 41.4 amps at 230 V.<br>
>>><br>
>>>This inverter can surge at 35.4 A for 5 seconds. The specified battery bank will be 8 Full River  L-16 AGMs. Can anyone say if:<br>
>>>* Is there enough information to know if this setup will handle the pump, and if so, will it?<br>
>>>* How can an inverter's ability to power a motor or pump be calculated by knowing its locked rotor current? Which surge periods should be compared to the locked rotor current?<br>
>>>* Does the surge current need to equal locked rotor. How long must the inverter meet its required maximum surge?<br>
>>>* From experience with Magnums and pumps, does this seem like a good combination?<br>
>>><br>
>>>Thank you,<br>
>>><br>
>>>Drake<br>
>>><br>
>>>Drake Chamberlin<br>
>>>Athens Electric LLC<br>
>>>OH License 44810<br>
>>>CO License 3773<br>
>>>NABCEP Certified Solar PV<br>
>>>740-448-7328<br>
>>>http://athens-electric.com/  <br>
>><br>
>><br>
>><br>
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