Probably if it is old it does not have these recent Certifications and UL requirements. Just gave these to my local AHJ.
IEEE 1547, UL 1741-SA, Rule 21, Rule 14H, PREPA, and CSA 107.1 Product Certification History Project Date Description 80049402 2020-09-18 Update to report 70194014 to meet grid support function according to CA Rule 21 for 120Vac output configuration. 80036281 2020-03-15 Update report 70194014 to include UL1741 CRD SA17/18 UL 1741(California Rule 21 Phase 3 Function 2 and Function 3) for Model XW Pro 6848 NA. 80020062 2019-10-30 Update report 70194014 to include firmware upgrade for Model XW Pro 6848 NA. 70220117 2019-03-27 Update Report 70194014 to include minor firmware update for Model XW Pro 6848 NA. 70212688 2019-03-04 Update Report 70194014 to Include Volt-Watt and revised Freq-Watt grid tie requirements as per UL1741 Supplement SA for Model XW Pro 6848 NA (FGA 865-6848-21). Dave Angelini Offgrid Solar "we go where powerlines don't" http://members.sti.net/offgridsolar/ [1] e-mail offgridso...@sti.net [2] text 209 813 0060 On Tue, 18 May 2021 14:07:08 -0400, "Glenn Burt" wrote: Hi Kirk, Can you elaborate on which UL standards the older SB units don't comply with? -Glenn FROM: RE-wrenches ON BEHALF OF Kirk Herander, VSE SENT: Tuesday, May 18, 2021 6:42 AM TO: re-wrenches@lists.re-wrenches.org SUBJECT: Re: [RE-wrenches] SMA SB 2500U These older Sunnyboys do not comply with latest UL standards regardless. If its a new installation, a savvy utility / AHJ will catch this. KIRK HERANDER / OWNER|PRINCIPAL, VT SOLAR, LLC _CELEBRATING OUR 30TH ANNIVERSARY 1991-2021!!_ WWW.VERMONT.SOLAR [3] dba Vermont Solar Engineering 802.863.1202 On 5/17/2021 3:53:26 PM, William Miller wrote: Jay: Some years ago I mis-ordered 5 SB2500s for 208 three phase and it turned out the system was 240 VAC three phase (open delta). I had to return the inverters to the factory to be converted and I had to rewire all of the arrays. So no, I don't think this can be done in the field. William Miller Miller Solar 17395 Oak Road, Atascadero, CA 93422 805-438-5600 www.millersolar.com [5] CA Lic. 773985 -----Original Message----- From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org [6]] On Behalf Of Jay Sent: Monday, May 17, 2021 11:44 AM To: RE-wrenches Subject: [RE-wrenches] SMA SB 2500U Does anyone know if you can convert a SMA SB2500U ( old red inverter) from 208 to 240vac? Without using a boost transformer. Thx Jay Peltz power. _______________________________________________ List sponsored by Redwood Alliance Pay optional member dues here: http://re-wrenches.org [7] List Address: RE-wrenches@lists.re-wrenches.org [8] Change listserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org [9] 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/ [10] http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org [11] List rules & etiquette: http://www.re-wrenches.org/etiquette.htm [12] Check out or update participant bios: http://www.members.re-wrenches.org [13] _______________________________________________ List sponsored by Redwood Alliance Pay optional member dues here: http://re-wrenches.org [14] List Address: RE-wrenches@lists.re-wrenches.org [15] Change listserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org [16] 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/ [17] http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org [18] List rules & etiquette: http://www.re-wrenches.org/etiquette.htm [19] Check out or update participant bios: http://www.members.re-wrenches.org [20] Links: ------ [1] http://members.sti.net/offgridsolar/ [2] mailto:offgridso...@sti.net [3] https://nam02.safelinks.protection.outlook.com/?url=www.vermontsolarnow.com&data=02%7C01%7C%7C9f0330d75a244870112408d685311841%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636842843233477645&sdata=0NjyuKeQbEK6245SNnk8X4XnP9Q%2B%2BqtvcALkdDghvk4%3D&reserved=0 [4] mailto:will...@millersolar.com [5] http://www.millersolar.com [6] mailto:re-wrenches-boun...@lists.re-wrenches.org [7] http://re-wrenches.org [8] mailto:RE-wrenches@lists.re-wrenches.org [9] http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org [10] https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ [11] http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org [12] http://www.re-wrenches.org/etiquette.htm [13] http://www.members.re-wrenches.org [14] http://re-wrenches.org [15] mailto:RE-wrenches@lists.re-wrenches.org [16] http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org [17] https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ [18] http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org [19] http://www.re-wrenches.org/etiquette.htm [20] 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