<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">Just a couple add-on comments<div><br></div><div>I\u2019d lower the AC2 breaker size setting to around 40A each inverter. Double check the generator actually goes to AC2 terminals. </div><div><br></div><div>But, the better setting would be to change the charge percent on the Charger setting for both inverters, maybe dedicate up to 5kW to battery charging?? So, 2.5kW per inverter, about 35% each inverter. (2500W / 50V / 140A Charger). The charger is power factor corrected and generally does a great job not messing up the waveform. </div><div><br></div><div>Also, keep in mind generator ratings are Marketing values. I would suggest 20kW x 0.80 or 16kW as a working number for the generator. You can measure the voltage and frequency of the generator under high load to get an idea how it likes being loaded down. </div><div><br></div><div>Next, see if a timer can be installed on the hot water heater to move that load to a non-dryer time of day. That can help with overall generator loading. One customer chose 1AM and that works for them. Another chose 3PM and that works as well, especially with a larger solar array. </div><div><br></div><div>When you get the gateway and go to do the software upgrade, the inverters will go into standby, so manually start the generator, switch to bypass mode (if necessary) so if you need power to complete the upgrade, you will have it. </div><div><br></div><div>Good luck and enjoy!</div><div><br></div><div><br><br><div dir="ltr"><div class="" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; -webkit-text-size-adjust: auto;"><div class="ApplePlainTextBody">Maverick Brown<br>Off-Grid Solar Commander since 2006<br><b>Maverick Solar Enterprises, Inc.</b></div><div class="ApplePlainTextBody"><b> \u2022 Solar Commander Remote Power</b></div><div class="ApplePlainTextBody"><b> \u2022 SunFlow Systems Cathodic Protection <br></b>maverick@mavericksolar.com<br>512-460-9825</div><div class="ApplePlainTextBody"><br></div></div></div><div dir="ltr"><br><blockquote type="cite">On Jun 29, 2021, at 7:51 AM, Chris Schaefer <chris@solarandwindfx.com> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr">\ufeff<div dir="ltr">After doing some additional reading of the manual and with everyone's great insight I'm leaning towards the AC2 breaker sizing setting within the SCP. Given that default is 60 amps and that there are two inverters that would tell me that both charging and loads could draw as much as 120 amps. Given that the main output breaker on the 20kw gen is 80 amps I believe this might be part of the issue. Additionally, I'll be purchasing the Insight tool so that I can upgrade the firmware as the client will, once the grid is present need this to select the correct grid code to match the area's utility. In reading the firmware attachment that I believe Dave sent, what caught my eye at the end under Fixes: it states "fixes AC2 generator qualification issues". I'll be sure and update you on my findings.<div><br></div><div>Sincere Thanks,</div><div>Christopher</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Jun 28, 2021 at 7:58 PM Mac Lewis <<a href="mailto:maclewis1@gmail.com">maclewis1@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hi Chris,<div><br></div><div>I recommend enabling Gen support mode and lowering the gen support level until the generator sounds good. I suspect that the generator can't handle full battery charging and loads simultaneously. You may also want to turn down the AC2 In breaker size for the Gen Input, this will determine how much the XW allows to be pulled through the Input terminals. Also, be sure they are using AC2 right now for the generator input, otherwise, you may need to adjust the AC1 parameters instead (or swap terminals). There is also a Gen Amps setting that can be lowered, and you can lower the max charge rate as well.</div><div><br></div><div>I believe that Schneider treats the AC input as either a grid (can be backfed on AC1 terminals) or a generator (cannot be backfed on AC2 terminals), so I'm not sure if there is equivalent to the Outback Input modes. There are some advanced grid interconnection settings but I don't think that applies here.</div><div><br></div><div>Let us know what you find out.</div><div><br></div><div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Jun 28, 2021 at 3:36 PM William Miller <<a href="mailto:william@millersolar.com" target="_blank">william@millersolar.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div lang="EN-US"><div><p class="MsoNormal"><span style="font-family:Verdana,sans-serif;color:rgb(31,73,125)">Chris:</span></p><p class="MsoNormal"><span style="font-family:Verdana,sans-serif;color:rgb(31,73,125)"> </span></p><p class="MsoNormal"><span style="font-family:Verdana,sans-serif;color:rgb(31,73,125)">I have little Schneider experience but I will describe a problem with an Outback system that might be relevant: When the Outback Radian inverters would charge from the generator, in certain modes (there are a several generator utilization settings) the charging circuits would inject large amounts of THD onto the inverter output circuit. This would cause breaker tripping and other problems.</span></p><p class="MsoNormal"><span style="font-family:Verdana,sans-serif;color:rgb(31,73,125)"> </span></p><p class="MsoNormal"><span style="font-family:Verdana,sans-serif;color:rgb(31,73,125)">To track this down we had to rent a pricey power quality analyzer. Here is a <a href="https://millersolar.com/MillerSolar/case_studies/25_GFI%20Tripping/GFI_Tripping.html" target="_blank">link</a> to a write-up I did. </span></p><p class="MsoNormal"><span style="font-family:Verdana,sans-serif;color:rgb(31,73,125)"> </span></p><p class="MsoNormal"><span style="font-family:Verdana,sans-serif;color:rgb(31,73,125)">Hope this helps.</span></p><p class="MsoNormal"><span style="font-family:Verdana,sans-serif;color:rgb(31,73,125)"> </span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:rgb(31,73,125)">William Miller</span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:rgb(31,73,125)"> </span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:rgb(31,73,125)">Miller Solar</span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:rgb(31,73,125)">17395 Oak Road, Atascadero, CA 93422</span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:rgb(31,73,125)">805-438-5600</span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:rgb(31,73,125)"><a href="http://www.millersolar.com/" target="_blank"><span style="color:blue">www.millersolar.com</span></a></span></p><p class="MsoNormal"><span style="font-family:Arial,sans-serif;color:rgb(31,73,125)">CA Lic. 773985</span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"> </span></p><p class="MsoNormal"><span style="font-family:Verdana,sans-serif;color:rgb(31,73,125)"> </span></p><p class="MsoNormal"><b><span style="font-size:10pt;font-family:Tahoma,sans-serif">From:</span></b><span style="font-size:10pt;font-family:Tahoma,sans-serif"> RE-wrenches [mailto:<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank">re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On Behalf Of </b>Chris Schaefer<br><b>Sent:</b> Monday, June 28, 2021 1:49 PM<br><b>To:</b> RE-wrenches<br><b>Subject:</b> [RE-wrenches] schneider xw-Pro issue with genny running</span></p><p class="MsoNormal"> </p><div><p class="MsoNormal">G'day All,</p><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">I recently got pulled into someone else's mess on a twin xw-pro 6848 with a Generac 20kw air cooled genny. A little back story. The client is currently off grid with basically an all electric house. I know, I know, lol. The intent is to bring the grid in but that has been slowed for various reasons. On to the issue. So the electric appliances do well until the genny is running/charging and then certain items like the electric dryer don't like to operate at this time. Turn the genny off and it runs fine. The genny only has 900 hours on it and is serviced by a local genny company. The client has no internet or InsightHome, only the SCP along wiith a Schneider AGS module.</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">Admittedly I'm not overly familiar with the Schneider product line. I've reviewed every screen on the SCP looking for further genny settings but see no detailed adjustment that might be able to be made, to "smooth" things out so that the genny will play nice with the XW Pro and the dryer.</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">I have reached out to Schneider directly but still no response after 5 days. Looking for any insight (no pun intended) from the Schneider users out there.</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">Sincerely,</p></div><div><p class="MsoNormal">Christopher-</p></div><div><div><div><div><div><div><div><p align="center" style="text-align:center"><span style="font-size:10pt;font-family:Arial,sans-serif;color:rgb(31,73,125)">Chris Schaefer\u2019s<br></span><a href="http://www.solarandwindfx.com" target="_blank"><span style="font-size:9.5pt;text-decoration:none"><img border="0" width="200" height="40" id="gmail-m_-2991435072811061146gmail-m_-7984901819365536075gmail-m_7790555252533367681_x0000_i1025" src="http://www.solarandwindfx.com/wp-content/uploads/2015/01/Solar-Wind-FX-Logo.png" data-unique-identifier=""></span></a><br><i><span style="font-size:9pt;font-family:Arial,sans-serif;color:rgb(31,73,125)">Tel/Fax 585-229-2083 or Cell 585-748-1870 <br></span></i><i><span style="font-size:10pt;font-family:Arial,sans-serif;color:rgb(31,73,125)">5115 South Hill Road ~ Canandaigua New York 14424<br><a href="http://www.solarandwindfx.com" target="_blank">www.solarandwindfx.com</a> ~ E-mail: </span></i><i><span style="font-size:10pt;font-family:Arial,sans-serif;color:blue"><a href="mailto:chris@solarandwindfx.com" target="_blank">chris@solarandwindfx.com</a></span></i></p><p align="center" style="text-align:center"><i><span style="font-size:10pt;font-family:Arial,sans-serif;color:rgb(31,73,125)"><img border="0" width="200" height="56" id="gmail-m_-2991435072811061146gmail-m_-7984901819365536075gmail-m_7790555252533367681_x0000_i1026" src="http://solarandwindfx.com/wp-content/uploads/2015/01/certs.jpg" data-unique-identifier=""></span></i></p><p align="center" style="text-align:center"><span style="font-size:10pt;font-family:Arial,sans-serif;color:black">Thomas Jefferson, the author of our great Constitution, once said, "democracy" will cease to exist when you take away from those who are willing to work and give to those who would not."</span></p></div></div></div></div></div></div></div></div></div></div>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr"><div><br></div><div><font color="#305A78" face="'times new roman', serif"><br></font></div><div><br></div>Mac Lewis<br><br><span style="font-family:"Times New Roman";font-size:medium;color:rgb(255,153,0)"><b><font face="Arial, Helvetica, sans-serif" size="3"><p align="left"><font color="#000000" face="Verdana, Arial, Helvetica, sans-serif"><span style="font-size:small"><span style="font-family:arial;font-weight:normal;color:rgb(48,90,120)"><font face="'times new roman', serif">"Yo solo sé que no sé nada." </font><span style="font-weight:700;color:rgb(104,104,104)"><font face="'times new roman', serif">-Sócrates</font></span></span></span></font></p></font></b></span></div>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><p style="text-align:center"><span style="font-size:10pt;color:rgb(31,73,125)"><font face="Arial, sans-serif">Chris Schaefer\u2019s<br></font></span><a href="http:www.solarandwindfx.com" style="font-size:12.8px" target="_blank"><img src="http://www.solarandwindfx.com/wp-content/uploads/2015/01/Solar-Wind-FX-Logo.png" width="200" height="40" style="color: rgb(31, 73, 125); font-family: Arial, sans-serif; font-size: 10pt;" data-unique-identifier=""></a><br><i><span style="font-family:Arial,sans-serif;color:rgb(31,73,125)"><span style="font-size:9pt">Tel/Fax
585-229-2083 or Cell 585-748-1870 </span><span style="font-size:12px"><br></span></span></i><i style="font-size:12.8px"><span style="font-size:10pt"><font color="#1f497d"><font face="Arial, sans-serif">5115
South Hill Road ~ Canandaigua New York 14424<br></font></font></span></i><i style="font-size:12.8px"><span style="font-size:10pt;font-family:Arial,sans-serif;color:rgb(31,73,125)"><a href="http://www.solarandwindfx.com" target="_blank"><span style="color:blue">www.solarandwindfx.com</span></a> ~ E-mail: <span style="color:blue"><a href="mailto:chris@solarandwindfx.com" target="_blank">chris@solarandwindfx.com</a></span></span></i></p><p style="text-align:center"><i><span style="font-size:10pt;font-family:Arial,sans-serif;color:rgb(31,73,125)"><img src="http://solarandwindfx.com/wp-content/uploads/2015/01/certs.jpg" width="200" height="56" data-unique-identifier=""><br></span></i></p>
<p style="text-align:center"><span style="font-size:10pt;font-family:Arial,sans-serif;color:black">Thomas Jefferson,
the author of our great Constitution, once said, "democracy" will
cease to exist when you take away from those who are willing to work and give
to those who would not."</span><span style="font-size:10pt;font-family:Arial,sans-serif;color:rgb(31,73,125)"></span></p></div></div></div></div></div></div>
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