<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:arial,helvetica,sans-serif;font-size:12pt">Hi Drake:<br> I just spoke with Enphase customer service about interconnecting the Enphase to a battery inverters back up load center, and they will not void the warranty for this. They only void the warranty for physically altering the inverters, like changing the connector types. (OOPS, I am guilty of that one.)<br><div> </div>Nick Soleil<br>Project Manager<br>Advanced Alternative Energy Solutions, LLC<br>PO Box 657<br>Petaluma, CA 94953<br>Cell: 707-321-2937<br>Office: 707-789-9537<br>Fax: 707-769-9037<div><br></div><div style="font-family: arial,helvetica,sans-serif; font-size: 12pt;"><br><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><font face="Tahoma" size="2"><hr size="1"><b><span style="font-weight: bold;">From:</span></b>
Drake <drake.chamberlin@redwoodalliance.org><br><b><span style="font-weight: bold;">To:</span></b> RE-wrenches <re-wrenches@lists.re-wrenches.org><br><b><span style="font-weight: bold;">Sent:</span></b> Fri, October 29, 2010 10:14:55 AM<br><b><span style="font-weight: bold;">Subject:</span></b> Re: [RE-wrenches] Charge Control in AC coupled system<br></font><br>
<meta http-equiv="x-dns-prefetch-control" content="off">
This is for an on grid system that would AC couple when the grid goes
down. Would that still void the warranty?<br><br>
At 11:46 AM 10/29/2010, you wrote:<br><br>
<blockquote type="cite" class="cite" cite="">Drake - fyi: you will void the
warranty on the Enphase inverters. <br><br>
Andrew Truitt<br>
Truitt Renewable Energy Consulting<br>
202 486-7507<br><span>
<a target="_blank" href="http://www.linkedin.com/pub/andrew-truitt/8/622/713">http://www.linkedin.com/pub/andrew-truitt/8/622/713</a></span><br><br>
Please excuse brevity and typos - this message was typed on tiny
keys.<br><br>
<blockquote type="cite" class="cite" cite="">On Oct 29, 2010 7:42 AM,
"Drake"
<<a rel="nofollow" ymailto="mailto:drake.chamberlin@redwoodalliance.org" target="_blank" href="mailto:drake.chamberlin@redwoodalliance.org">
drake.chamberlin@redwoodalliance.org</a>> wrote:<br><br>
Greetings Wrenches,<br><br>
I want to AC couple 8 Enphase M190s to a pair of Outback inverters,
stacked in split phase. The use of micro inverters could allow for
great method of controlling charge to the batteries. A morning Star
Relay Driver could be employed to disconnect one or more inverters at a
time, to taper charge.<br><br>
Have any Wrenches AC coupled this many Enphase micro inverters to
Outbacks? Have you had any problems?<br><br>
Thank you,<br>
<font color="#888888"><br>
Drake</font><br><br>
<font color="#500050"><br><br>
<br><br>
At 05:07 PM 10/28/2010, you wrote:<br>
><br>
> We have done several of these systems with various
invert...</font></blockquote>
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