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The spec sheet for the SS-MPPT says 75 volts maximum open circuit.
Maximum PV power: 200 watts for 12-volt batteries and 400-watts for
24-volt batteries. While it is supposed to be protected from PV
overload and PV high voltage, it doesn't seem surprising that failures
that have been observed are in systems that are pushing on these
limits. Fortunately, Morningstar stands behind their product.<br>
<br>
Kent Osterberg<br>
Blue Mountain Solar, Inc.<br>
<br>
<br>
bob ellison wrote:
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<p class="MsoNormal"><font color="black" face="Calibri" size="4"><span
style="font-size: 14pt; font-family: "Calibri","sans-serif"; color: black;">From
memory it seems that the max voltage listed in the manual for the Sun
Saver MPPT is 35 volts but I don’t have it handy.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="black" face="Calibri" size="4"><span
style="font-size: 14pt; font-family: "Calibri","sans-serif"; color: black;"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font color="black" face="Calibri" size="4"><span
style="font-size: 14pt; font-family: "Calibri","sans-serif"; color: black;">Bob
Ellison<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="black" face="Calibri" size="4"><span
style="font-size: 14pt; font-family: "Calibri","sans-serif"; color: black;"><o:p> </o:p></span></font></p>
<div>
<div
style="border-style: solid none none; border-color: rgb(181, 196, 223) -moz-use-text-color -moz-use-text-color; border-width: 1pt medium medium; padding: 3pt 0in 0in;">
<p class="MsoNormal"><b><font face="Tahoma" size="2"><span
style="font-size: 10pt; font-family: "Tahoma","sans-serif"; font-weight: bold;">From:</span></font></b><font
face="Tahoma" size="2"><span
style="font-size: 10pt; font-family: "Tahoma","sans-serif";">
<a class="moz-txt-link-abbreviated" href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a>
[<a class="moz-txt-link-freetext" href="mailto:re-wrenches-bounces@lists.re-wrenches.org">mailto:re-wrenches-bounces@lists.re-wrenches.org</a>] <b><span
style="font-weight: bold;">On Behalf Of </span></b>Starlight Solar,
Larry Crutcher<br>
<b><span style="font-weight: bold;">Sent:</span></b> Friday, January
21, 2011 8:38 PM<br>
<b><span style="font-weight: bold;">To:</span></b> RE-wrenches<br>
<b><span style="font-weight: bold;">Subject:</span></b> Re:
[RE-wrenches] 10A Charge / load controller<o:p></o:p></span></font></p>
</div>
</div>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;"><o:p> </o:p></span></font></p>
<div>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";">I have had
failures with the Sunsaver MPPT. I have used them with a single Sanyo
module in small battery systems. Perhaps they just can't handle the
50.9 Voc.</span></font><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;"> <o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";">Larry</span></font><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";">Starlight
Solar Power Systems</span></font><o:p></o:p></p>
</div>
<blockquote
style="border-style: none none none solid; border-color: -moz-use-text-color -moz-use-text-color -moz-use-text-color black; border-width: medium medium medium 1.5pt; margin: 5pt 0in 5pt 3.75pt; padding: 0in 0in 0in 4pt;">
<div>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";">-----
Original Message ----- <o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"
style="background: rgb(228, 228, 228) none repeat scroll 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;"><b><font
face="Arial" size="2"><span
style="font-size: 10pt; font-family: "Arial","sans-serif"; font-weight: bold;">From:</span></font></b><font
face="Arial" size="2"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"> <a
moz-do-not-send="true" href="mailto:maverick@mavericksolar.com"
title="maverick@mavericksolar.com">Maverick Brown [Maverick Solar]</a>
<o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><b><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: "Arial","sans-serif"; font-weight: bold;">To:</span></font></b><font
face="Arial" size="2"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"> <a
moz-do-not-send="true" href="mailto:re-wrenches@lists.re-wrenches.org"
title="re-wrenches@lists.re-wrenches.org">RE-wrenches</a> <o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><b><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: "Arial","sans-serif"; font-weight: bold;">Sent:</span></font></b><font
face="Arial" size="2"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"> Thursday,
January 20, 2011 5:38 PM<o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><b><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: "Arial","sans-serif"; font-weight: bold;">Subject:</span></font></b><font
face="Arial" size="2"><span
style="font-size: 10pt; font-family: "Arial","sans-serif";"> Re:
[RE-wrenches] 10A Charge / load controller<o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;"><o:p> </o:p></span></font></p>
</div>
<div>
<p class="MsoNormal" style="margin-bottom: 12pt;"><font
face="Times New Roman" size="3"><span style="font-size: 12pt;">Try
SunSaver MPPT. <o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;">15 amps, MPPT and load control (or light)
control<o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;"><o:p> </o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;">Use the MSC to connect the controller to your
PC and adjust many settings and get log data. <o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;"><o:p> </o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;">We use a lot of them and have had very few
issues. <o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;"><br>
Thank you, <o:p></o:p></span></font></p>
<div>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;"><o:p> </o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;">Maverick<o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;"><o:p> </o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;"><o:p> </o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;">Maverick Brown<o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;">BSEET, NABCEP Certified Solar PV Installer ®<o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;">President & CEO<o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;">Maverick Solar Enterprises, Inc.<o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;">Office: 512-919-4493<o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;">Cell: 512-460-9825<o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;"><o:p> </o:p></span></font></p>
</div>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;">Sent from an iPhone. <o:p></o:p></span></font></p>
</div>
<div>
<p class="MsoNormal" style="margin-bottom: 12pt;"><font
face="Times New Roman" size="3"><span style="font-size: 12pt;"><br>
On Jan 20, 2011, at 5:37 PM, "Jason Szumlanski" <<a
moz-do-not-send="true" href="mailto:Jason@fafcosolar.com">Jason@fafcosolar.com</a>>
wrote:<o:p></o:p></span></font></p>
</div>
<blockquote style="margin-top: 5pt; margin-bottom: 5pt;">
<div>
<div>
<p class="MsoNormal" style=""><font color="#1f497d" face="Calibri"
size="2"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">I’m
looking for a ~10A charge controller for a 12V battery with adjustable
LVD that goes up to at least 12V. Priorities in order are:</span></font><o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent: -0.25in;"><font
color="#1f497d" face="Calibri" size="2"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">1.</span></font><font
color="#1f497d" size="1"><span
style="font-size: 7pt; color: rgb(31, 73, 125);"> </span></font><font
color="#1f497d" face="Calibri" size="2"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">Small
in size</span></font><o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent: -0.25in;"><font
color="#1f497d" face="Calibri" size="2"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">2.</span></font><font
color="#1f497d" size="1"><span
style="font-size: 7pt; color: rgb(31, 73, 125);"> </span></font><font
color="#1f497d" face="Calibri" size="2"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">Good</span></font><o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent: -0.25in;"><font
color="#1f497d" face="Calibri" size="2"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">3.</span></font><font
color="#1f497d" size="1"><span
style="font-size: 7pt; color: rgb(31, 73, 125);"> </span></font><font
color="#1f497d" face="Calibri" size="2"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">Cheap</span></font><o:p></o:p></p>
<p class="MsoNormal" style=""><font color="#1f497d" face="Calibri"
size="2"><span
style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">The
best I can come up with now is the Xantrex C12. Looking for
alternatives. Recommendations?</span></font><o:p></o:p></p>
<div>
<p class="MsoNormal" style=""><font color="#1f497d" face="Cambria"
size="3"><span
style="font-size: 12pt; font-family: "Cambria","serif"; color: rgb(31, 73, 125);">Jason
Szumlanski</span></font><o:p></o:p></p>
<p class="MsoNormal" style=""><font color="#1f497d" face="Cambria"
size="3"><span
style="font-size: 12pt; font-family: "Cambria","serif"; color: rgb(31, 73, 125);">Fafco
Solar</span></font><o:p></o:p></p>
</div>
<pre><font face="Courier New" size="2"><span
style="font-size: 10pt;"> <o:p></o:p></span></font></pre>
<pre><font face="Courier New" size="2"><span
style="font-size: 10pt;"> <o:p></o:p></span></font></pre>
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</blockquote>
</blockquote>
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