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That is correct, Jay. You only need the rapid shutdown switch if you have IQ 8s and an IQ System Controller.</div>
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One of the big advantages of the IQ 8 over IQ 7 when paired with storage is that the 1.5 PV to storage ratio does not apply, so you can install larger PV systems with smaller battery systems. </div>
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<div><span style="font-size:small; color:rgb(34,34,34); font-family:arial,sans-serif">Cordially,</span><br>
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<span style="font-size:10pt; font-family:Arial; color:rgb(102,102,102); vertical-align:baseline; white-space:pre-wrap; background-color:transparent">Nick Soleil</span></p>
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<span style="font-size:10pt; font-family:Arial; color:rgb(230,145,56); font-weight:700; vertical-align:baseline; white-space:pre-wrap; background-color:transparent">Enphase Energy</span><span style="font-size:10pt; font-family:Arial; color:rgb(102,102,102); vertical-align:baseline; white-space:pre-wrap; background-color:transparent">
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<span style="font-size:10pt; font-family:Arial; color:rgb(102,102,102); vertical-align:baseline; white-space:pre-wrap; background-color:transparent">(707) 763-4784 x7267 // office</span></p>
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<span style="font-size:10pt; font-family:Arial; color:rgb(102,102,102); vertical-align:baseline; white-space:pre-wrap; background-color:transparent">(707) 321-2937 // cell</span></p>
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<a href="https://enphase.com/en-us/products-and-services/envoy" class="OWAAutoLink" style="font-family:arial,sans-serif; font-size:13px"><b style="font-size:large">Powering What\u2019s Next</b><font face="arial, helvetica, sans-serif">\u2122</font><font size="4"><i> | </i>The
Enphase Energy Management System</font></a><br>
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NABCEP Certified Solar PV Installer #03262011-300</p>
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California C10 Licensed Electrician #986315</p>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> RE-wrenches <re-wrenches-bounces@lists.re-wrenches.org> on behalf of Jay via RE-wrenches <re-wrenches@lists.re-wrenches.org><br>
<b>Sent:</b> Tuesday, July 12, 2022 3:54 PM<br>
<b>To:</b> RE-wrenches <re-wrenches@lists.re-wrenches.org><br>
<b>Cc:</b> Jay <jay.peltz@gmail.com><br>
<b>Subject:</b> Re: [RE-wrenches] Enphase IQ7 versus IQ8</font>
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<div dir="ltr">Hi Jason</div>
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<div dir="ltr">And if you don\u2019t have the smart controller/battery system then you do not need this proprietary rapid shut down switch correct?</div>
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<div dir="ltr">Jay</div>
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<blockquote type="cite">On Jul 12, 2022, at 3:25 PM, Jason Szumlanski via RE-wrenches <re-wrenches@lists.re-wrenches.org> wrote:<br>
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<div dir="ltr">\ufeff
<div dir="auto">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.
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<div dir="ltr" class="x_gmail_attr">On Tue, Jul 12, 2022, 5:15 PM Mark Frye via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>> wrote:<br>
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<p class="x_MsoNormal">Do you need the additional switch if you use the Enphase battery?<u></u><u></u></p>
<p class="x_MsoNormal"><u></u> <u></u></p>
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<p class="x_MsoNormal"><b>From:</b> RE-wrenches <<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank" rel="noreferrer">re-wrenches-bounces@lists.re-wrenches.org</a>>
<b>On Behalf Of </b>Jason Szumlanski via RE-wrenches<br>
<b>Sent:</b> Tuesday, July 12, 2022 11:38 AM<br>
<b>To:</b> RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank" rel="noreferrer">re-wrenches@lists.re-wrenches.org</a>><br>
<b>Cc:</b> Jason Szumlanski <<a href="mailto:jason@floridasolardesigngroup.com" target="_blank" rel="noreferrer">jason@floridasolardesigngroup.com</a>><br>
<b>Subject:</b> [RE-wrenches] Enphase IQ7 versus IQ8<u></u><u></u></p>
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<p class="x_MsoNormal"><u></u> <u></u></p>
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<p class="x_MsoNormal">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.<u></u><u></u></p>
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<p class="x_MsoNormal"><u></u> <u></u></p>
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<p class="x_MsoNormal">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.<u></u><u></u></p>
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<p class="x_MsoNormal"><u></u> <u></u></p>
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<p class="x_MsoNormal">Am I missing something about the switching speed, energy harvest capability, or the way they interact with batteries that makes them better?<u></u><u></u></p>
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<p class="x_MsoNormal"><u></u> <u></u></p>
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<p class="x_MsoNormal">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. <u></u><u></u></p>
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<p class="x_MsoNormal"><u></u> <u></u></p>
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<p class="x_MsoNormal">Jason Szumlanski<u></u><u></u></p>
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<p class="x_MsoNormal">Florida Solar Design Group <u></u><u></u></p>
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