<html><head></head><body bgcolor="#FFFFFF"><div>I agree that one SMA costs less than 24 M190s, but I get two main advantages, </div><div><br></div><div>1. "individual" monitoring of these old modules. (ok, two in string). Any module that can fire up the inverter will report to the enlighten website. </div><div><br></div><div>2. Simple expansion of the system. 24 inverters will already be at two sub-arrays and therefore an up-sell could be to get the additional modules added to the system. So the customer can have a smattering of PV over time.</div><div><br></div><div>Of course, the SMA implementation can have proper testing of each string to be sure the current is on par with the nameplate wattage.</div><div><br></div><div>Of course, I personally would prefer battery-backup.</div><div><div><br></div><div>Thank you,</div><div><br></div><div>Maverick</div><div><br></div><div><br></div><div>Maverick Brown</div><div>BSEET, NABCEP Certified Solar PV Installer ®</div><div>President & CEO</div><div>Maverick Solar Enterprises, Inc.</div><div>Office: 512-919-4493</div><div>Cell: 512-460-9825</div><div><br></div>Sent from my HondaJet!</div><div><br>On Nov 10, 2011, at 9:16 AM, "Joel Davidson" <<a href="mailto:joel.davidson@sbcglobal.net">joel.davidson@sbcglobal.net</a>> wrote:<br><br></div><div></div><blockquote type="cite"><div>
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<div><font size="2" face="Arial">So far William and Maverick say Enphase 190 and
Darryl says Solar Edge. My experience is that one SMA inverter costs less
and is more reliable than multiple inverters.</font></div>
<div><font size="2" face="Arial">Joel Davidson</font></div>
<blockquote style="BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px">
<div style="FONT: 10pt arial">----- Original Message ----- </div>
<div style="FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: black"><b>From:</b>
<a title="daryl_solar@yahoo.com" href="mailto:daryl_solar@yahoo.com">Darryl
Thayer</a> </div>
<div style="FONT: 10pt arial"><b>To:</b> <a title="re-wrenches@lists.re-wrenches.org" href="mailto:re-wrenches@lists.re-wrenches.org">RE-wrenches</a> </div>
<div style="FONT: 10pt arial"><b>Sent:</b> Wednesday, November 09, 2011 8:29
PM</div>
<div style="FONT: 10pt arial"><b>Subject:</b> Re: [RE-wrenches] What inverter?
(was Faulty PM-60 circuit board)</div>
<div><br></div>
<div style="BACKGROUND-COLOR: #fff; FONT-FAMILY: arial, helvetica, sans-serif; COLOR: #000; FONT-SIZE: 12pt">
<div><span>I think you shoud go with Solar Edge, and modules
optimizers</span></div>
<div><br></div>
<div style="FONT-FAMILY: arial, helvetica, sans-serif; FONT-SIZE: 12pt">
<div style="FONT-FAMILY: times new roman, new york, times, serif; FONT-SIZE: 12pt"><font size="2" face="Arial">
<div style="BORDER-BOTTOM: rgb(204,204,204) 1px solid; BORDER-LEFT: rgb(204,204,204) 1px solid; PADDING-BOTTOM: 0px; LINE-HEIGHT: 0; MARGIN: 5px 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; HEIGHT: 0px; FONT-SIZE: 0px; BORDER-TOP: rgb(204,204,204) 1px solid; BORDER-RIGHT: rgb(204,204,204) 1px solid; PADDING-TOP: 0px" class="hr" contenteditable="false" readonly="true"></div><b><span style="FONT-WEIGHT: bold">From:</span></b> William Miller <<a href="mailto:william@millersolar.com">william@millersolar.com</a>><br><b><span style="FONT-WEIGHT: bold">To:</span></b> RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>><br><b><span style="FONT-WEIGHT: bold">Sent:</span></b> Wednesday, November 9, 2011 7:42
PM<br><b><span style="FONT-WEIGHT: bold">Subject:</span></b> Re: [RE-wrenches]
What inverter? (was Faulty PM-60 circuit board)<br></font><br>Joel:<br><br>24
Enphase M190s.<br><br>William Miller<br><br><br>At 09:33 AM 11/9/2011, you
wrote:<br>>Wrenches,<br>><br>>After telling my customer to upgrade to
an MPPT charge controller (thanks <br>>Ray Walters and John Blittersdorf),
he decided to really optimize his PV <br>>array and retire his Trace SW4048
inverter. He has 48 Siemens SP75 modules <br>>(67.5 W DC PTC) that are
ground mounted in full sun and easy to re-wire. <br>>With so many new
batteryless grid-tie inverters on the market, this is a <br>>good time to
ask this sage group with over 3,000 combined years of <br>>experience what
inverter do you prefer?<br>><br>>Joel Davidson<br>><br>>-----
Original Message ----- From: "Joel Davidson" <br>><<a href="mailto:joel.davidson@sbcglobal.net" ymailto="mailto:joel.davidson@sbcglobal.net">joel.davidson@sbcglobal.net</a>><br>>To:
"RE-wrenches" <<a href="mailto:re-wrenches@lists.re-wrenches.org" ymailto="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>><br>>Sent:
Saturday, November 05, 2011 4:50 PM<br>>Subject: Faulty PM-60 circuit
board<br>><br>><br>>>Wrenches,<br>>><br>>>My customer
has a circa 2001 Pulse PC250 with a faulty PM-60 circuit <br>>>board
TC-750, REV D2 (the microprocessor U1 has v2.5 and v1.01 written
<br>>>on a label on it). Does anyone repair or have replacements for
PC250 <br>>>PM-60 circuit boards? If not, what do you recommend? Thank
you in advance <br>>>for your help.<br>>><br>>>Joel
Davidson<br>>><br>><br>>_______________________________________________<br>>List
sponsored by Home Power magazine<br>><br>>List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org" ymailto="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a><br>><br>>Options
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<br>>19:34:00<br><br>Miller Solar<br>Voice :805-438-5600<br>email: <a href="mailto:william@millersolar.com" ymailto="mailto:william@millersolar.com">william@millersolar.com</a><br><a href="http://millersolar.com">http://millersolar.com</a><br>License
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