<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi Mark,<div><br></div><div>I'd install as much PV as I could afford, a MPPT controller and a battery capacity meter to keep an eye on things.</div><div>And if they are still looking to throw money around then a new generator as Allan suggested.</div><div><br></div><div>jay</div><div><br></div><div>peltz power</div><div><br></div><div><div><div><div><div>On Dec 3, 2009, at 9:22 AM, Mark Frye wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">
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<!-- Converted from text/rtf format --><p><font size="2" face="Arial">Folks,</font>
</p><p><font size="2" face="Arial">I have a customer with a 3 year old system in northern CA:</font>
</p><p><font size="2" face="Arial">8 - Deka 370AH, 6V, 2x4 banks - 740Ah @ 24V</font>
<br><font size="2" face="Arial">2 - DR2424 120/240V series</font>
<br><font size="2" face="Arial">4 - EC-120-GL</font>
<br><font size="2" face="Arial">1 - C40 CC</font>
<br><font size="2" face="Arial">1 - 5000W, old portable gas gen</font>
</p><p><font size="2" face="Arial">The problem is increased gen runtime probally due to chronic undercharging.</font>
</p><p><font size="2" face="Arial">Based on estimated consumption in the home, I think he needs about 2X the PV to meet the energy production needs in the summer (5 kWH/day)(30% DOD/day). But in order to get C10 charging during the summer he would need 5X the PV?</font></p><p><font size="2" face="Arial">Money is and issue. So what should I recommend:</font>
</p><p><font size="2" face="Arial">1 - Increase PV 4X to 5X, add MPPT controller to get to a PV based system with gen support</font>
<br><font size="2" face="Arial">2 - Get a 3K to 5K propane gen and and run as a gen based system with PV support</font>
<br><font size="2" face="Arial">3 -?</font>
<br><font face="Arial"> </font>
<br><font size="2" face="Arial">Mark Frye</font>
<br><font size="2" face="Arial">Berkeley Solar Electric Systems</font>
<br><font size="2" face="Arial">303 Redbud Way</font>
<br><font size="2" face="Arial">Nevada City, CA 95959</font>
<br><font size="2" face="Arial">(530) 401-8024</font>
<br><a href="http://www.berkeleysolar.com/"><u><font color="#0000FF" size="2" face="Arial">www.berkeleysolar.com</font></u></a><font size="2" face="Arial"> </font>
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