[RE-wrenches] SMA SB 2500U

[Glenn Burt]

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-bounces at lists.re-wrenches.org> On Behalf Of Kirk Herander, VSE
Sent: Tuesday, May 18, 2021 7:04 PM
To: re-wrenches at 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 at vermont.solar <mailto:kirkh at 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.burt at glbcc.com <mailto:glenn.burt at 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-bounces at lists.re-wrenches.org <mailto:re-wrenches-bounces at lists.re-wrenches.org> > On Behalf Of Kirk Herander, VSE
Sent: Tuesday, May 18, 2021 6:42 AM
To: re-wrenches at lists.re-wrenches.org <mailto:re-wrenches at 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 at vermont.solar <mailto:kirkh at 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 <william at millersolar.com <mailto:william at 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-bounces at 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. 


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