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These older Sunnyboys do not comply with latest UL standards regardless. If its a new installation, a savvy utility / AHJ will catch this.<br><div><br></div><div class="mb_sig"><p class="MsoNormal" style="font-family: Arial;font-size: 16px;margin: 0in 0in 0.0001pt"><span style="font-size: 10pt"><a name="_MailAutoSig"><b>Kirk Herander / </b></a><b><a href="mailto:kirkh@vermont.solar" title="Send an email to kirkh@vermont.solar" style="cursor: pointer; color: blue;">kirkh@vermont.solar</a></b><o:p></o:p></span></p><p class="MsoNormal" style="font-family: Arial;font-size: 16px;margin: 0in 0in 0.0001pt"><span style="font-size: 10pt"><b>Owner|Principal, VT Solar, LLC</b><o:p></o:p></span></p><p class="MsoNormal" style="font-family: Arial;font-size: 16px;margin: 0in 0in 0.0001pt"><span style="font-size: 10pt"><b><i>Celebrating our 30<sup>th</sup> Anniversary 1991-2021!!</i></b><o:p></o:p></span></p><p class="MsoNormal" style="font-family: Arial;font-size: 16px;margin: 0in 0in 0.0001pt"><span style="font-size: 10pt"><a href="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" title="Click to open in a new window or tab
https://nam02.safelinks.protection.outlook.com/?url=www.vermontsolarnow.com&data=02%7C01%7C%7C9f0330d75a244870112408d685311841%7C84df9e7fe9f640afb..."><b><span style="color: blue;">www.vermont.solar</span></b></a><b><o:p></o:p></b></span></p><p class="MsoNormal" style="font-family: Arial;font-size: 16px;margin: 0in 0in 0.0001pt"><span style="font-size: 10pt">dba Vermont Solar Engineering<o:p></o:p></span></p><p class="MsoNormal" style="font-family: Arial;font-size: 16px;margin: 0in 0in 0.0001pt"><span style="font-size: 10pt">802.863.1202</span><br></p></div><blockquote class="history_container" type="cite" style="border-left-style:solid;border-width:1px; margin-top:20px; margin-left:0px;padding-left:10px;">
<p style="color: #AAAAAA; margin-top: 10px;">On 5/17/2021 3:53:26 PM, William Miller <william@millersolar.com> wrote:</p><div style="font-family:Arial,Helvetica,sans-serif">Jay:
<br>
<br>Some years ago I mis-ordered 5 SB2500s for 208 three phase and it turned
<br>out the system was 240 VAC three phase (open delta). I had to return the
<br>inverters to the factory to be converted and I had to rewire all of the
<br>arrays. So no, I don't think this can be done in the field.
<br>
<br>William Miller
<br>
<br>Miller Solar
<br>17395 Oak Road, Atascadero, CA 93422
<br>805-438-5600
<br>www.millersolar.com
<br>CA Lic. 773985
<br>
<br>
<br>-----Original Message-----
<br>From: RE-wrenches [mailto:re-wrenches-bounces@lists.re-wrenches.org] On
<br>Behalf Of Jay
<br>Sent: Monday, May 17, 2021 11:44 AM
<br>To: RE-wrenches
<br>Subject: [RE-wrenches] SMA SB 2500U
<br>
<br>Does anyone know if you can convert a
<br>SMA SB2500U ( old red inverter) from 208 to 240vac?
<br>
<br>Without using a boost transformer.
<br>
<br>Thx
<br>Jay
<br>
<br>Peltz power.
<br>
<br>
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