IEEE standards are not UL standards, and some of the mentioned improvements in functionality are NEC requirements, not UL.
Just trying to clarify. From: RE-wrenches <re-wrenches-boun...@lists.re-wrenches.org> On Behalf Of Kirk Herander, VSE Sent: Tuesday, May 18, 2021 7:04 PM To: re-wrenches@lists.re-wrenches.org Subject: Re: [RE-wrenches] SMA SB 2500U "IEEE 1547-1" certification is required at least in the New England ISO document which our utilities abide by. IEEE 1547 does not qualify. My local utility denied my approval for installation last year of a old SMA2500U inverter for this reason. Kirk Herander / kirkh@vermont.solar <mailto:kirkh@vermont.solar> Owner|Principal, VT Solar, LLC Celebrating our 30th Anniversary 1991-2021!! <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> www.vermont.solar dba Vermont Solar Engineering 802.863.1202 On 5/18/2021 2:07:28 PM, Glenn Burt <glenn.b...@glbcc.com <mailto:glenn.b...@glbcc.com> > wrote: Hi Kirk, Can you elaborate on which UL standards the older SB units don’t comply with? -Glenn From: RE-wrenches <re-wrenches-boun...@lists.re-wrenches.org <mailto:re-wrenches-boun...@lists.re-wrenches.org> > On Behalf Of Kirk Herander, VSE Sent: Tuesday, May 18, 2021 6:42 AM To: re-wrenches@lists.re-wrenches.org <mailto: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 / kirkh@vermont.solar <mailto:kirkh@vermont.solar> Owner|Principal, VT Solar, LLC Celebrating our 30th Anniversary 1991-2021!! <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> www.vermont.solar dba Vermont Solar Engineering 802.863.1202 On 5/17/2021 3:53:26 PM, William Miller <will...@millersolar.com <mailto:will...@millersolar.com> > 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 <http://www.millersolar.com> CA Lic. 773985 -----Original Message----- From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] 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 List Address: RE-wrenches@lists.re-wrenches.org <mailto: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 _______________________________________________ List sponsored by Redwood Alliance Pay optional member dues here: http://re-wrenches.org List Address: RE-wrenches@lists.re-wrenches.org <mailto: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
_______________________________________________ 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
