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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:black'>Nick:<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:black'>What is the upper voltage limit for the M250? What happens when that voltage is exceeded?<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:black'>I am trying to use Siemens SP75 modules (two in series) and Shell SQ-150-PC. Below are the specs. Note that two SP75s in series, if you multiply the voltages by two, is identical to the SQ-150 except for the temperature compensation. I am not sure what to do with the temperature compensation value if I put two SP175s insereis. Do you know?<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p><table class=MsoTableGrid border=1 cellspacing=0 cellpadding=0 style='border-collapse:collapse;border:none'><tr style='height:38.25pt'><td width=161 nowrap valign=top style='width:120.7pt;border:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:38.25pt'></td><td width=16 nowrap valign=top style='width:11.8pt;border:solid windowtext 1.0pt;border-left:none;padding:0in 5.4pt 0in 5.4pt;height:38.25pt'><p class=MsoNormal><b><span style='font-family:"Arial","sans-serif";color:black'>Qty<o:p></o:p></span></b></p></td><td width=57 nowrap valign=top style='width:43.05pt;border:solid windowtext 1.0pt;border-left:none;padding:0in 5.4pt 0in 5.4pt;height:38.25pt'><p class=MsoNormal><b><span style='font-family:"Arial","sans-serif";color:black'>Watts<o:p></o:p></span></b></p></td><td width=49 nowrap valign=top style='width:37.0pt;border:solid windowtext 1.0pt;border-left:none;padding:0in 5.4pt 0in 5.4pt;height:38.25pt'><p class=MsoNormal><b><span style='font-family:"Arial","sans-serif";color:black'>Ext<o:p></o:p></span></b></p></td><td width=64 nowrap valign=top style='width:48.0pt;border:solid windowtext 1.0pt;border-left:none;padding:0in 5.4pt 0in 5.4pt;height:38.25pt'><p class=MsoNormal><b><span style='font-family:"Arial","sans-serif";color:black'>Watts<o:p></o:p></span></b></p></td><td width=64 nowrap valign=top style='width:48.0pt;border:solid windowtext 1.0pt;border-left:none;padding:0in 5.4pt 0in 5.4pt;height:38.25pt'><p class=MsoNormal><b><span style='font-family:"Arial","sans-serif";color:black'>Pmax<o:p></o:p></span></b></p></td><td width=67 nowrap valign=top style='width:50.55pt;border:solid windowtext 1.0pt;border-left:none;padding:0in 5.4pt 0in 5.4pt;height:38.25pt'><p class=MsoNormal><b><span style='font-family:"Arial","sans-serif";color:black'>Vpmax<o:p></o:p></span></b></p></td><td width=64 nowrap valign=top style='width:48.0pt;border:solid windowtext 1.0pt;border-left:none;padding:0in 5.4pt 0in 5.4pt;height:38.25pt'><p class=MsoNormal><b><span style='font-family:"Arial","sans-serif";color:black'>Ipmax<o:p></o:p></span></b></p></td><td width=64 valign=top style='width:48.0pt;border:solid windowtext 1.0pt;border-left:none;padding:0in 5.4pt 0in 5.4pt;height:38.25pt'><p class=MsoNormal><b><span style='font-family:"Arial","sans-serif";color:black'>Isc<o:p></o:p></span></b></p></td><td width=64 valign=top style='width:48.0pt;border:solid windowtext 1.0pt;border-left:none;padding:0in 5.4pt 0in 5.4pt;height:38.25pt'><p class=MsoNormal><b><span style='font-family:"Arial","sans-serif";color:black'>Voc<o:p></o:p></span></b></p></td><td width=96 valign=top style='width:72.3pt;border:solid windowtext 1.0pt;border-left:none;padding:0in 5.4pt 0in 5.4pt;height:38.25pt'><p class=MsoNormal><b><span style='font-family:"Arial","sans-serif";color:black'>Temp Coefficient of Voc<o:p></o:p></span></b></p></td></tr><tr style='height:51.0pt'><td width=161 valign=top style='width:120.7pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:51.0pt'><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Siemens PC4JF (Same as the SP75?)<o:p></o:p></span></p></td><td width=16 nowrap valign=top style='width:11.8pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:51.0pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>12<o:p></o:p></span></p></td><td width=57 nowrap valign=top style='width:43.05pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:51.0pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>75<o:p></o:p></span></p></td><td width=49 nowrap valign=top style='width:37.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:51.0pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>900<o:p></o:p></span></p></td><td width=64 nowrap valign=top style='width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:51.0pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>75<o:p></o:p></span></p></td><td width=64 nowrap valign=top style='width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:51.0pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>75<o:p></o:p></span></p></td><td width=67 nowrap valign=top style='width:50.55pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:51.0pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>17<o:p></o:p></span></p></td><td width=64 nowrap valign=top style='width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:51.0pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>4.4<o:p></o:p></span></p></td><td width=64 nowrap valign=top style='width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:51.0pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>4.8<o:p></o:p></span></p></td><td width=64 nowrap valign=top style='width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:51.0pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>21.7<o:p></o:p></span></p></td><td width=96 nowrap valign=top style='width:72.3pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:51.0pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>-0.077<o:p></o:p></span></p></td></tr><tr style='height:25.5pt'><td width=161 nowrap valign=top style='width:120.7pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:25.5pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Shell SQ-150<o:p></o:p></span></p></td><td width=16 nowrap valign=top style='width:11.8pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:25.5pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>3<o:p></o:p></span></p></td><td width=57 nowrap valign=top style='width:43.05pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:25.5pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>150<o:p></o:p></span></p></td><td width=49 nowrap valign=top style='width:37.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:25.5pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>450<o:p></o:p></span></p></td><td width=64 nowrap valign=top style='width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:25.5pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>150<o:p></o:p></span></p></td><td width=64 nowrap valign=top style='width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:25.5pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>150<o:p></o:p></span></p></td><td width=67 nowrap valign=top style='width:50.55pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:25.5pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>34<o:p></o:p></span></p></td><td width=64 nowrap valign=top style='width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:25.5pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>4.4<o:p></o:p></span></p></td><td width=64 nowrap valign=top style='width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:25.5pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>4.8<o:p></o:p></span></p></td><td width=64 nowrap valign=top style='width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:25.5pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>43.4<o:p></o:p></span></p></td><td width=96 nowrap valign=top style='width:72.3pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:25.5pt'><p class=MsoNormal align=right style='text-align:right'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>-0.161<o:p></o:p></span></p></td></tr></table><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:black'>Our record low is -10 C and average high is 38C.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:black'>If I enter the data for the Shell, the calculator shows they are compatible with the M250. Entering the data for two SP75s using -0.077 for Temp Comp (SP75) the tool says not. If I use double (-0.154), then the two SP75s are compatible. What is your determination?<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:black'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:black'>William<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> re-wrenches-bounces@lists.re-wrenches.org [mailto:re-wrenches-bounces@lists.re-wrenches.org] <b>On Behalf Of </b>Nick Soleil<br><b>Sent:</b> Monday, September 30, 2013 9:56 AM<br><b>To:</b> RE-wrenches<br><b>Subject:</b> Re: [RE-wrenches] Using legacy modules on micro-inverters<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><div><div><p class=MsoNormal style='margin-bottom:12.0pt'>Hi wrenches,<o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'>The M250 is not limited to 60 cell modules only. The M250 has an expanded voltage window which will allow for it to be paired with a wider range of modules. Enphase has an online module compatibility calculator which can be used for checking a specific pairing in a specific location, at:<br><br> <a href="http://enphase.com/module-compatibility-calculator-m250-update/">http://enphase.com/module-compatibility-calculator-m250-update/</a>. <o:p></o:p></p></div><div><p class=MsoNormal>Keep in mind that many of the high efficiency, higher voltage, 72 cell modules will not be compatible.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>On Sat, Sep 28, 2013 at 6:45 AM, Jay Peltz <<a href="mailto:jay@asis.com" target="_blank">jay@asis.com</a>> wrote:<o:p></o:p></p><div><div><p class=MsoNormal>Hi Bill<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Is there a new M250?<o:p></o:p></p></div><div><p class=MsoNormal>Enphase shows the 250 at 48vdc max and states 60 cell only modules. <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>That would be nice if it did both<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Jay<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Peltz power. <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div></div></div></div></body></html>