Hi Jason And if you don’t have the smart controller/battery system then you do not need this proprietary rapid shut down switch correct?
Jay > On Jul 12, 2022, at 3:25 PM, Jason Szumlanski via RE-wrenches > <re-wrenches@lists.re-wrenches.org> wrote: > > > Yes, they require a proprietary rapid shutdown switch that connects to the > smart controller. This would be in addition to a visible load break > disconnect if the utility requires it. You cannot fulfill both requirements > with one switch, and it requires a line voltage circuit be run from the smart > controller to the rapid shutdown switch. > > > >> On Tue, Jul 12, 2022, 5:15 PM Mark Frye via RE-wrenches >> <re-wrenches@lists.re-wrenches.org> wrote: >> Do you need the additional switch if you use the Enphase battery? >> >> >> >> From: RE-wrenches <re-wrenches-boun...@lists.re-wrenches.org> On Behalf Of >> Jason Szumlanski via RE-wrenches >> Sent: Tuesday, July 12, 2022 11:38 AM >> To: RE-wrenches <re-wrenches@lists.re-wrenches.org> >> Cc: Jason Szumlanski <ja...@floridasolardesigngroup.com> >> Subject: [RE-wrenches] Enphase IQ7 versus IQ8 >> >> >> >> I am trying to figure out why it is a good idea we use the IQ8 in anything >> other than a solar only backup scenario. If there are Enphase batteries >> involved, wouldn't the IQ7 do the same job on the roof? In a straight grid >> tied scenario, again the IQ7 would do the exact same thing. You would not >> have an upgrade path to solar only backup, of course. >> >> >> >> I'm just having a hard time understanding the value proposition of the IQ8 >> in most of the situations I encounter. They cost significantly more, and you >> need an additional rapid shutdown switch when using batteries that can be >> quite a pain in some scenarios. >> >> >> >> Am I missing something about the switching speed, energy harvest capability, >> or the way they interact with batteries that makes them better? >> >> >> >> P.S. I am aware of the very small power output differences by model number >> and I am referring exclusively to 240 volt applications. I understand the >> 208 volt advantages of the IQ8. >> >> >> >> Jason Szumlanski >> >> Florida Solar Design Group >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> Pay optional member dues here: http://re-wrenches.org >> >> List Address: RE-wrenches@lists.re-wrenches.org >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> There are two list archives for searching. When one doesn't work, try the >> other: >> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> http://www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> http://www.members.re-wrenches.org >> > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org >
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