All - If you haven't already seen it, you might want to try playing with the numbers on Enphase's online calculator:
http://enphase.com/module-compatibility-calculator-m250-update/ -August *August Goers* Principal Luminalt Energy Corporation o: 415.641.4000 m: 415.559.1525 www.luminalt.com On Sat, Sep 28, 2013 at 6:45 AM, Jay Peltz <j...@asis.com> wrote: > Hi Bill > > Is there a new M250? > Enphase shows the 250 at 48vdc max and states 60 cell only modules. > > That would be nice if it did both > > Jay > > Peltz power. > > > > Sent from my iPhone > > On Sep 27, 2013, at 10:14 AM, "Bill Brooks" <billbroo...@yahoo.com> wrote: > > William,**** > > ** ** > > Just to add one more thing. I said that the M215 does not match well, but > if you have them on hand, they would still work. You will probably power > limit in the spring and fall, but the rest of the year you will probably do > fine. The M250 has a higher operating voltage for 72-cell arrangements. The > M215 is more suited for 60-cell modules and circuits.**** > > ** ** > > Bill.**** > > ** ** > > ** ** > > *From:* re-wrenches-boun...@lists.re-wrenches.org [ > mailto:re-wrenches-boun...@lists.re-wrenches.org<re-wrenches-boun...@lists.re-wrenches.org>] > *On Behalf Of *William Miller > *Sent:* Thursday, September 26, 2013 10:01 PM > *To:* RE-wrenches > *Subject:* [RE-wrenches] Using legacy modules on micro-inverters**** > > ** ** > > Friends:**** > > ** ** > > I am trying to upgrade a long time off-grid client to a grid-connected > installation. They have a mix of Siemens PC4JF and Shell SQ-150P modules. > It is my understanding that putting two of the PC4JFs in series is exactly > one SQ-150. I don’t have spec sheets for the PC4JFs but I am told they are > an SP75. If I use the data for the SP75 and multiply the voltages by two I > get exactly a SQ-150P.**** > > ** ** > > Anyway, putting two 36 modules together makes one 72 cell module. This > would likely work with an Enphase M190 but those are no longer > manufactured. Same with the M215. Power One makes a micro that meets the > predicted voltage window.**** > > ** ** > > I did this a while ago with pairs of SR100s. It worked great. Anyone try > this with even older modules, like those cited???**** > > ** ** > > Thanks in advance.**** > > ** ** > > William Miller**** > > ** ** > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Change email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Change email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > >
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