Bob,
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.
Dave Palumbo
--
Sent from myMail app for Android
Wednesday, 02 July 2014, 11:58PM +02:00 from "RE Ellison" <[email protected]>:
What has been everybody’s experience with Full River Batteries?
Bob
From: RE-wrenches [mailto:[email protected]] On Behalf
Of Roy Butler
Sent: Wednesday, July 02, 2014 3:12 PM
To: [email protected]
Subject: Re: [RE-wrenches] Magnum and Pumps
Sweet....thanks for that info, I stand corrected!
Roy Butler
NABCEP Certified Solar PV Installer®
NYSERDA eligible PV & wind installer
IREC Certified Master Trainer™ for Small Wind Installer
Four Winds Renewable Energy, LLC
8902 Route 46, Arkport, NY 14807
607-324-9747 www.four-winds-energy.com
Join us at the 10th Annual Small Wind Conference
A Gathering of Installers, Manufacturers, Dealers, & Distributors
June 17 and 18, 2014 in Stevens Point, Wisconsin
www.smallwindconference.com
Although no trees were killed in the sending of this message,
a large number of electrons were terribly inconvenienced.
On 7/2/2014 2:55 PM, Larry Crutcher, Starlight Solar Power Systems wrote:
>Hi Roy,
>
>The FullRiver DC400-6 AGM battery can issue 2000 amps for 5 seconds so he
>should be fine.
>
>Larry
>On Jul 2, 2014, at 12:35 PM, Roy Butler < [email protected] > wrote:
>
>I haven't seen anyone mention the battery bank. If I understand correctly,
>there's a single string of sealed
>L16 batteries on this inverter. I have my doubts as to whether or not that
>bank can provide the high current
>the inverter needs to start this load.
>
>Roy Butler
>NABCEP Certified Solar PV Installer®
>NYSERDA eligible PV & wind installer
>IREC Certified Master Trainer™ for Small Wind Installer
>Four Winds Renewable Energy, LLC
>8902 Route 46, Arkport, NY 14807
>607-324-9747 www.four-winds-energy.com
>
>Join us at the 10th Annual Small Wind Conference
>A Gathering of Installers, Manufacturers, Dealers, & Distributors
>June 17 and 18, 2014 in Stevens Point, Wisconsin
>www.smallwindconference.com
>
>Although no trees were killed in the sending of this message,
>a large number of electrons were terribly inconvenienced.
>
>
>On 7/2/2014 2:10 PM, Jason Szumlanski wrote:
>>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.
>>
>>Jason Szumlanski
>> Fafco Solar
>>
>>
>>On Wed, Jul 2, 2014 at 11:00 AM, Jason Szumlanski < [email protected] >
>>wrote:
>>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.
>>
>>I'm going to guess your 3/4HP well pump will be a breeze to start with this
>>inverter.
>>
>>Jason Szumlanski
>> Fafco Solar
>>
>>
>>On Wed, Jul 2, 2014 at 10:47 AM, Allan Sindelar < [email protected] >
>>wrote:
>>Drake,
>>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.)
>>
>>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.
>>
>>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.
>>
>>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.
>>
>>Allan
>>Allan Sindelar
>>[email protected]
>>NABCEP Certified PV Installation Professional
>>NABCEP Certified Technical Sales Professional
>>New Mexico EE98J Journeyman Electrician
>>Founder (Retired), Positive Energy, Inc.
>>505 780-2738 cell
>>
>>On 7/2/2014 8:17 AM, Drake wrote:
>>>Hello Wrenches,
>>>
>>>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.
>>>
>>>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.
>>>
>>>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.
>>>
>>>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.
>>>
>>>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:
>>>* Is there enough information to know if this setup will handle the pump,
>>>and if so, will it?
>>>* 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?
>>>* Does the surge current need to equal locked rotor. How long must the
>>>inverter meet its required maximum surge?
>>>* From experience with Magnums and pumps, does this seem like a good
>>>combination?
>>>
>>>Thank you,
>>>
>>>Drake
>>>
>>>Drake Chamberlin
>>>Athens Electric LLC
>>>OH License 44810
>>>CO License 3773
>>>NABCEP Certified Solar PV
>>>740-448-7328
>>>http://athens-electric.com/
>>
>>
>>
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