<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"></head><body dir="auto"><div dir="auto">Seems like heat is going to be a major player, a top of pole mount array might keep the modules cool enough to keep the 7As running. Tight to a roof, and all bets are off, imho.</div><div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto"><br></div><div id="composer_signature" dir="auto"><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><div style="font-size:85%;color:#575757" dir="auto">Chris Worcester </div><div style="font-size:85%;color:#575757" dir="auto">chris@solarwindworks.com</div><div style="font-size:85%;color:#575757" dir="auto">530-448-9692</div><div style="font-size:85%;color:#575757" dir="auto"><br></div><div style="font-size:85%;color:#575757" dir="auto">Sent from my Samsung Galaxy s9.</div></div><div dir="auto"><br></div><div><br></div><div align="left" dir="auto" style="font-size:100%;color:#000000"><div>-------- Original message --------</div><div>From: Drake Chamberlin via RE-wrenches <re-wrenches@lists.re-wrenches.org> </div><div>Date: 4/13/22 1:57 PM (GMT-08:00) </div><div>To: RE-wrenches <re-wrenches@lists.re-wrenches.org> </div><div>Cc: drake.chamberlin@redwoodalliance.org </div><div>Subject: [RE-wrenches] Module - microinverter compatibility question </div><div><br></div></div>I'm concerned that a microinverter - module pair that has been specified <br>by a supplier may not work. The maximum power voltage is very close to <br>the minimum starting voltage. The Voc is adequately high.<br><br>An Aptos DNA-120-MF26-365W is paired with an Enphase IQ 7A<br><br>\u2022 Minimum start voltage of the inverter is 33 V<br>\u2022 Vmmp of the module is 33.96 V<br>\u2022 Voc of the module is 40.7 V<br><br>Is the 33 V starting voltage going to be a problem with a module STC Max <br>power voltage of 33.96 V? Is it the Voc that determines the starting of <br>the inverter or the Vmmp?<br><br>Thanks,<br><br>Drake<br><br>Drake Chamberlin<br>Athens Electric LLC<br>Ohio Electrical Contractor\u2019s License 44810<br>CO Master Electrician\u2019s License 4526<br>NABCEP Certified PV Installation Professional<br><br><br>-- <br>_______________________________________________<br>List sponsored by Redwood Alliance<br><br>Pay optional member dues here: http://re-wrenches.org<br><br>List Address: RE-wrenches@lists.re-wrenches.org<br><br>Change listserver email address & settings:<br>http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org<br><br>There are two list archives for searching. When one doesn't work, try the other:<br>https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/<br>http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org<br><br>List rules & etiquette:<br>http://www.re-wrenches.org/etiquette.htm<br><br>Check out or update participant bios:<br>http://www.members.re-wrenches.org<br><br></body></html>