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<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Esteemed
Wrenches:<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Wrench
esoterica time… another contest like Mick’s to win the chance to
take time off…<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p>

<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>A
customer has a late-2005 SW4024 with Rev. 4.30 firmware. He needs to add a
second inverter for series stacking to increase output to run a big well pump. We
have an early SW4024 with Rev 1.0 firmware, and we have both Rev. 4.01 and 4.10
firmware chipsets in our parts archives. Are the two inverters compatible if
series-stacked with a firmware upgrade?<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p>

<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Thank
you.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p>

<p class=MsoNormal><span style='font-family:"Times New Roman","serif"'>Allan
Sindelar<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'><a
href="mailto:Allan@positiveenergysolar.com"><span style='color:blue'>Allan@positiveenergysolar.com</span></a></span><span
style='font-family:"Times New Roman","serif"'><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>NABCEP
Certified Photovoltaic Installer</span><span style='font-family:"Times New Roman","serif"'><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'>EE98J
Journeyman Electrician</span><span style='font-family:"Times New Roman","serif"'><o:p></o:p></span></p>

<p class=MsoNormal><b><span style='font-family:"Times New Roman","serif"'>Positive
Energy, Inc.<o:p></o:p></span></b></p>

<p class=MsoNormal><span style='font-family:"Times New Roman","serif"'>3201
Calle Marie<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-family:"Times New Roman","serif"'>Santa
Fe, New Mexico 87507<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-family:"Times New Roman","serif"'>505
424-1112<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'><a
href="http://www.positiveenergysolar.com/"><span style='color:blue'>www.PositiveEnergySolar.com</span></a></span><span
style='font-family:"Times New Roman","serif"'><o:p></o:p></span></p>

<p class=MsoNormal><o:p> </o:p></p>

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