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<div class="elementToProof" style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
The issue with the loads is a good point. </div>
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According to my conversation with Enphase: because the IQ8's will form their own microgrid with sunlight, once the batteries attempt to restart at 9AM the micros will immediately connect and produce. That said it would seem that in any case there must me a
load controller incorporated.</div>
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Here's the link: <a href="https://enphase.com/download/load-and-solar-circuit-control-using-iq-system-controller-auxiliary-contacts-tech-brief" id="LPlnkOWA49b6e7e0-6ae6-bc7a-0c3b-c66fe247db0b" class="OWAAutoLink">
load-and-solar-circuit-control-using-iq-system-controller-auxiliary-contacts-tech-brief (enphase.com)</a></div>
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<b>Does anyone from Enphase want to chime in here?</b></div>
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<div><span style="font-family: calibri, helvetica, sans-serif; font-size: 12pt; color: rgb(6, 64, 12); background-color: rgba(0, 0, 0, 0); line-height: normal;">Wayne Irwin</span><br>
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<span style="font-family: calibri, helvetica, sans-serif; font-size: 12pt; color: rgb(6, 64, 12); background-color: rgba(0, 0, 0, 0); line-height: normal;">License #CVC56695</span><br>
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<span style="color: rgb(6, 64, 12);">Wayne@PureEnergySolar.com</span><br>
<a href="http://pureenergysolar.com/" title="http://pureenergysolar.com/">PureEnergySolar.com</a><br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Jason Szumlanski <jason@floridasolardesigngroup.com><br>
<b>Sent:</b> Tuesday, October 1, 2024 2:34 PM<br>
<b>To:</b> RE-wrenches <re-wrenches@lists.re-wrenches.org><br>
<b>Cc:</b> Wayne Irwin <pureenergysolar@hotmail.com><br>
<b>Subject:</b> Re: [RE-wrenches] Enphase Batteries and IQ7+ Won't Restart</font>
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<div class="x_gmail_default" style="font-family:arial,helvetica,sans-serif">I hate to be the bearer of bad news, but this is also the case with IQ8 microinverters. The batteries must be able to sustain the load for up to 6 minutes to allow the microinverters
to attempt to charge the battery. If you have loads that exceed the battery output capacity, it could cause the microgrid to collapse before PV can start charging. </div>
<div class="x_gmail_default" style="font-family:arial,helvetica,sans-serif"><br>
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<div class="x_gmail_default" style="font-family:arial,helvetica,sans-serif">But that is also the case at night - you should not have loads (or inrush currents) that exceed the combined battery output capability without load control or manual control of loads.</div>
<div class="x_gmail_default" style="font-family:arial,helvetica,sans-serif"><br>
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<div class="x_gmail_default" style="font-family:arial,helvetica,sans-serif">Here is a link to the document that explains this: </div>
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<div class="x_gmail_default" style="font-family:arial,helvetica,sans-serif"><a href="https://drive.google.com/file/d/1_jvHvTqZFs5Tutptaq_jbbl94GOrao7x/view?usp=sharing" originalsrc="https://drive.google.com/file/d/1_jvHvTqZFs5Tutptaq_jbbl94GOrao7x/view?usp=sharing" shash="sT8OU8MgvX8BYTSvgK6PErppw4GCmrS4x6cwEAoWxloK9tmJyrOdNjI0aLxl9NB+zQ111Vl3xMTP0LHFIENYThAkBJJPWatxAC7i3fuFE9qqPYhpeheSM0i9qFgceO3qos3ccGLepvG2TWkPoJWPeMPho9OW1uOlzTkGYmurBMw=">https://drive.google.com/file/d/1_jvHvTqZFs5Tutptaq_jbbl94GOrao7x/view?usp=sharing</a><br>
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Jason Szumlanski
<div><span style="color:rgb(51,51,51); font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif; font-size:13px">Principal Solar Designer | Florida Solar Design Group</span><br style="color:rgb(51,51,51); font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif; font-size:13px">
<span style="color:rgb(51,51,51); font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif; font-size:13px">NABCEP Certified Solar Professional (PVIP)</span><br style="color:rgb(51,51,51); font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif; font-size:13px">
<span style="color:rgb(51,51,51); font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif; font-size:13px">Florida State Certified Solar Contractor CVC56956</span></div>
<div><font color="#333333" face="Roboto, RobotoDraft, Helvetica, Arial, sans-serif">Florida Certified Electrical Contractor EC13013208</font></div>
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<div dir="ltr" class="x_gmail_attr">On Mon, Sep 30, 2024 at 7:52 PM Wayne Irwin 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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<blockquote class="x_gmail_quote" style="margin:0px 0px 0px 0.8ex; border-left:1px solid rgb(204,204,204); padding-left:1ex">
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<div style="font-family:Calibri,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
Hurricane Helene has taught us the hard way that Enphase batteries with anything other than IQ8's won't restart.</div>
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The issue is that when the batteries try to restart (at the non-programmable time of 9:AM) if there are any significant loads, the batteries will not stay on long enough (300+ seconds) for any non-IQ8 micros to energize. The battery will attempt multiple times,
but if there is a load, (such as a well pump) the draw from the load will essentially prohibit the batteries from energizing the micros long enough to engage and produce. The only solution is to have a load controller or turn off all loads once the power goes
out. Otherwise, during these "attempts to turn on" power in the house will momentarily turn on and back off and potentially drain the batteries down to lower than the point of which they can even attempt to restart. I spoke at length with Enphase upper engineering
(not tech support) about this today. They now know that most of the tech support staff does not know this important information. </div>
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Once the batteries are dead, they are very difficult if not impossible to jump start with a generator. At the recommendation of tech support we tried multiple times with the "approved" inverter generator which ultimatly just wasted our time. Even though the
controller/switch will accept the gen power and pass the energy to the loads, it will not energize the combiner or batteries. If your goal is to have an autonomous system with Enphase, it's only going to happen with the IQ8's (at this point).</div>
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<div style="font-family:Calibri,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
This is a significant issue with retrofitting older systems. </div>
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By the way:</div>
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- We've received numerous desperate calls from (orphaned) Powerwall owners whose systems also won't turn back on. </div>
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- ALL of our Outback systems were issue free.</div>
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I hope this helps some of you. Good Luck out there!</div>
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<div style="direction:ltr; font-size:12pt"><span style="font-family:calibri,helvetica,sans-serif; color:rgb(6,64,12); background-color:rgba(0,0,0,0); line-height:normal">Wayne Irwin</span><span style="font-family:Calibri,Helvetica,sans-serif; color:rgb(0,0,0)"><br>
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</span><span style="font-family:calibri,helvetica,sans-serif; color:rgb(6,64,12); background-color:rgba(0,0,0,0); line-height:normal">License #CVC56695</span><span style="font-family:Calibri,Helvetica,sans-serif; color:rgb(0,0,0)"><br>
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