What happens in the case of removing a module permanently for whatever reason? Is there a coupler to splice the home run wire, or do you have to install a j-box?
Either way, I can see how leaving little slack in the home run wiring could be a good idea. Jason On Wed, Oct 31, 2012 at 6:37 PM, Exeltech <exelt...@yahoo.com> wrote: > Jason, > > You're describing our "Home Run" cable and the connectors for the > AC Modules. > > Replacements are easy. The inverter base stays on the PV. The > cable is a part of that base. You don't need to disconnect anything. > > Just remove four screws from the inverter (the "lid" of the enclosure > is actually the inverter heat sink), remove it (there's a five pin mating > connector inside the inverter .. the female half on the inverter, the > male half in the base) .. remove the inverter .. pop the new one in, > and replace the four screws. > > That's it. No wiring to mess with. > > > Dan > > > --- On *Wed, 10/31/12, Jason Szumlanski <ja...@fafcosolar.com>* wrote: > > > From: Jason Szumlanski <ja...@fafcosolar.com> > > Subject: Re: [RE-wrenches] AC Modules ready for primetime? > To: "RE-wrenches" <re-wrenches@lists.re-wrenches.org> > Date: Wednesday, October 31, 2012, 5:27 PM > > > One of the nice features I saw at SPI is the "trunk cable" which is a > standard cable to which you attach piercing taps that come attached on a > drop from each AC module's inverter. I like not having to worry about > connector spacing. I'm not sure how you handle replacements or removals, > but I'm sure that's been addressed. I haven't used these modules yet, but I > can see the benefits in the cable strategy. > > *Jason Szumlanski** * > > *Fafco Solar* > > On Wed, Oct 31, 2012 at 3:30 PM, Exeltech > <exelt...@yahoo.com<http://mc/compose?to=exelt...@yahoo.com> > > wrote: > > Hello Kirk, > > Our PVAC Modules are certified to UL and other applicable Standards on: > > Helios PV, Milwaukee, Wisc ( http://www.heliossolarworks.com/ ) > PV made in Milwaukee + our AC Module inverters made in Fort Worth > yields a 100% "Made in America" product. > > > NB Solar (made by "Sun Earth Solar"), China** > In the PV business for 44 years. > ( http://www.nbsolar.com/ ) > > > Top Sun (Korea) > Vertically integrated PV manufacturer of ingots, wafers, cells, and PV > modules. > ( http://www.topsun.kr/english/main/main.htm ) > > > Distributed by Solarbine, with offices/warehouse facilities in > Pennsylvania, > Texas, and Southern California. > ( http://www.solarbine.net/ ) > > > More PV manufacturers are working their way through in UL certification at > this > time, but non-disclosure agreements won't allow discussion yet. > > > > > > Dan Lepinski, Senior Engineer > Exeltech Solar > > > > --- On *Wed, 10/31/12, Kirk Herander > <k...@vtsolar.com<http://mc/compose?to=k...@vtsolar.com> > >* wrote: > > > From: Kirk Herander <k...@vtsolar.com<http://mc/compose?to=k...@vtsolar.com> > > > > Subject: Re: [RE-wrenches] AC Modules ready for primetime? > To: "'RE-wrenches'" > <re-wrenches@lists.re-wrenches.org<http://mc/compose?to=re-wrenches@lists.re-wrenches.org> > > > Date: Wednesday, October 31, 2012, 1:53 PM > > > Dan, > > > > What panel OEM’s are using your AC modules? > > > > Kirk Herander > > VT Solar, LLC > > dba Vermont Solar Engineering > > NABCEPTM Certified Inaugural Certificant > > NYSERDA-eligible Installer > > VT RE Incentive Program Partner > > 802.863.1202 > > > > *From:* > re-wrenches-boun...@lists.re-wrenches.org<http://mc/compose?to=re-wrenches-boun...@lists.re-wrenches.org>[mailto: > re-wrenches-boun...@lists.re-wrenches.org<http://mc/compose?to=re-wrenches-boun...@lists.re-wrenches.org>] > *On Behalf Of *Exeltech > *Sent:* Wednesday, October 31, 2012 12:05 PM > *To:* RE-wrenches > *Subject:* Re: [RE-wrenches] AC Modules ready for primetime? > > > > Hello David, > > Our inverters are a *true* AC Module, not just a micro-inverter that's been > attached to the PV frame or other structure. They replace the junction box > on PV, and must be installed by a PV manufacturer, distributor, or OEM > that are certified to the appropriate UL Standards for that process. Our > AC Modules are not designed for field/site installation to PV. > > The advantages to this: We're exempt from DC-side ground-fault and > arc-fault because all DC conductors are internal to our inverter, and are > all less than 80Vdc. > > Being mounted directly to the PV eliminates the j-box, diodes, high-voltage > DC conductors, and expensive DC connectors and their associated hassles. > This also reduces the product cost and decreases the system installation > time. You're also assured of a perfect match of our inverter to the PV. > > For notes - our AC Module inverters are made in Fort Worth, Texas. > > > > Dan Lepinski, Senior Engineer > Exeltech Solar > > --- On *Wed, 10/31/12, David Katz > <dk...@aeesolar.com<http://mc/compose?to=dk...@aeesolar.com> > >* wrote: > > > From: David Katz <dk...@aeesolar.com<http://mc/compose?to=dk...@aeesolar.com> > > > Subject: Re: [RE-wrenches] AC Modules ready for primetime? > To: "RE-wrenches" > <re-wrenches@lists.re-wrenches.org<http://mc/compose?to=re-wrenches@lists.re-wrenches.org> > > > Date: Wednesday, October 31, 2012, 10:39 AM > > Dan Lapinski, > Does Exeltech make a microinverter that can be site-installed? > David Katz > > Sent from my HTC smartphone on the Now Network from Sprint! > > ----- Reply message ----- > From: "Exeltech" <exelt...@yahoo.com<http://mc/compose?to=exelt...@yahoo.com> > > > To: "RE-wrenches" > <re-wrenches@lists.re-wrenches.org<http://mc/compose?to=re-wrenches@lists.re-wrenches.org> > > > Subject: [RE-wrenches] AC Modules ready for primetime? > Date: Wed, Oct 31, 2012 7:26 am > > > > I'd like to correct an error in Jim's statement below related to how we > at Exeltech handle warranty. > > If an AC Module inverter should fail, the entire module does not need to > be sent back for warranty -- just the inverter itself. In our case, this > involves removing four small screws to separate the inverter from the > base. The "lid" (or top of the enclosure) is the heat sink of the > inverter. > The base stays attached to the PV. There's no wiring involved. It's all > internal, and you don't have to do anything except remove the old > inverter from the base and plug in the new one. > > Once you access the back of the PV, total time to effect the swap > is typically about 1 minute. > > > > Dan Lepinski, Senior Engineer > Exeltech Solar > > > --- On *Wed, 10/31/12, Solarguy > <nt...@1scom.net<http://mc/compose?to=nt...@1scom.net> > >* wrote: > > > From: Solarguy <nt...@1scom.net <http://mc/compose?to=nt...@1scom.net>> > Subject: Re: [RE-wrenches] AC Modules ready for primetime? > To: "'RE-wrenches'" > <re-wrenches@lists.re-wrenches.org<http://mc/compose?to=re-wrenches@lists.re-wrenches.org> > > > Date: Wednesday, October 31, 2012, 9:05 AM > > Another question to consider when it comes to ACPV warranty replacement > is, do you have to send the entire module back for repair if there’s a > warranty claim on the inverter. Solar Bridge & Exeltech both say yes. All > things equal, Solar Bridge still has DC apparatus exposed but not Exeltech. > It would be nice to just be able to drill out the pop rivets and unplug the > SB unit & return for repair. > > And yes, I’m kinda biased toward Exeltech but they have been building > inverters for 20+ years. > > > > Jim Duncan > > North Texas Renewable Energy Inc > > www.ntrei.com > > NABCEP PV 031310-57 > > TECL-27398 > > nt...@1scom.net <http://mc/compose?to=nt...@1scom.net> > > 817.917.0527 > > > > > > > > *From:* > re-wrenches-boun...@lists.re-wrenches.org<http://mc/compose?to=re-wrenches-boun...@lists.re-wrenches.org> > [mailto:re-wrenches-boun...@lists.re-wrenches.org]<http://mc/compose?to=[mailto:re-wrenches-boun...@lists.re-wrenches.org]> > *On Behalf Of *William Dorsett > *Sent:* Wednesday, October 31, 2012 12:14 AM > *To:* 'RE-wrenches' > *Subject:* Re: [RE-wrenches] AC Modules ready for primetime? > > > > Kirk, the BenQ modules use SolarBridge inverters. One of the questions to > ask with ACPV is who backs the warranty on the inverter. According to > SolarBridge’s website, the module manufacturer warranty’s the combination. > This is fine as long as the mfg stays afloat but in this time with such > major players as Sharp and BP backing out, who do you turn to if your > inverter has a problem? As Bill said Exeltech is in this too, and > warranty’s their own, so is one step less removed. > > > > One of the things we’ve gathered is that Enphase, with an installed base > of something over a million, is having some problems with its first > version, 190. Is that a problem inherent in the components chosen in its > design or something as simple as insufficient potting? It is fairly low > percentage, but it also hasn’t been 25 years. And how does that balance > with the installed base of any of the other microinverter/ACPV > manufacturers? > > > > It seems that the temperature at which micros are required to live is the > main advantage of remote string inverters. They can be down in the shade > with free air moving around them. On the other end of that trend are the > ACPV which might have very little room between them and the module backing. > There might be several practical actions like mounting the modules with the > inverter on the down side so the air flow is cooler (a little like putting > the pump or fan on the cool input side of a thermal collector), or spacing > the array higher off the roof to allow more air flow. > > > > I do agree with Bill that this is the direction the industry is heading > and very quickly. > > > > Bill Dorsett > > Sunwrights > > Manhattan, KS > > > > *From:* > re-wrenches-boun...@lists.re-wrenches.org<http://mc/compose?to=re-wrenches-boun...@lists.re-wrenches.org> > [mailto:re-wrenches-boun...@lists.re-wrenches.org]<http://mc/compose?to=[mailto:re-wrenches-boun...@lists.re-wrenches.org]> > *On Behalf Of *Bill Loesch > *Sent:* Tuesday, October 30, 2012 11:43 AM > *To:* RE-wrenches > *Subject:* Re: [RE-wrenches] AC Modules ready for primetime? > > > > > Hi Nik, > > As of SPI 2012, Solar Bridge advertized seven module manufacturers using > their product. > > Remember Exeltech, manufacturer of exemplary sine wave inverters, is also > a player in this ACPV market, undoubtedly other players, too. > > IMHO, ACPV is the route that the industry will _eventually_ follow. > > Bill Loesch > > Solar 1 - Saint Louis Solar > > 314 631 1094 > > On 30-Oct-12 10:13 AM, Nik Ponzio wrote: > > I have a prospective customer requesting AC modules for a commercial job. > What is currently available? > > Thanks in advance. > Nik > > _______________________________________________ > > List sponsored by Home Power magazine > > > > List Address: RE-wrenches@lists.re-wrenches.org > <http://mc/compose?to=RE-wrenches@lists.re-wrenches.org> > > > > > Options & 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 > > > > > > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2012.0.2221 / Virus Database: 2441/5363 - Release Date: 10/30/12 > > > > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2012.0.2221 / Virus Database: 2441/5363 - Release Date: 10/30/12 > > > -----Inline Attachment Follows----- > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: > RE-wrenches@lists.re-wrenches.org<http://mc/compose?to=RE-wrenches@lists.re-wrenches.org> > > Options & 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 > > > -----Inline Attachment Follows----- > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Options & 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 > > > > -----Inline Attachment Follows----- > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: > RE-wrenches@lists.re-wrenches.org<http://mc/compose?to=RE-wrenches@lists.re-wrenches.org> > > Options & 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<http://mc/compose?to=RE-wrenches@lists.re-wrenches.org> > > Options & 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 > > > > > > -----Inline Attachment Follows----- > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: > RE-wrenches@lists.re-wrenches.org<http://mc/compose?to=RE-wrenches@lists.re-wrenches.org> > > Options & 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 > > Options & 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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