<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Anything with a motor wants to be intended for 208 three-phase</div><div><br></div><div>Any heating elements would want to be for three-phase also</div><div><br></div><div>If you try running 240 stuff on 208 it will ultimately take out the motors they just don't run as well!</div><div><br></div><div>In a past life I had a chain of convenience stores and one of them was fed by the utility with 120/208 instead of 240</div><div>We were changing compressors a little more often than we would've thought was necessary then about having to go back to the original utility paperwork prove to them that they had fed us 120/208 instead of 120/240 that the original work order called for and that was why we kept crashing all of the electric compressors!</div><div><br></div><div>It's doable easily just get equipment intended for 208 it has to be intended for three-phase</div><div><br></div><div>Or life is a real pain in the tail !</div><div><br></div><div>Been there done that !</div><div><br></div><div><div>Bob Ellison</div></div><div><br>On Feb 9, 2014, at 3:20 PM, <<a href="mailto:william@millersolar.com">william@millersolar.com</a>> wrote:<br><br></div><blockquote type="cite"><div><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"><meta name="Generator" content="Microsoft Word 14 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--><div class="WordSection1"><p class="MsoNormal">Friends:<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">I feel sort of stupid asking this, but it has never come up for me before:<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">I have inherited an off-grid install gone-wrong. The system is 208 three phase with Sunny Boys and Sunny Islands on a mini grid. It was designed as three phase. I presume this was to increase capability with stacked SMA inverters.<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">Will the household appliances (small cooktop, booster pump, well pump) run as well on 208 as 240?<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">I always do my research before wasting all of your time. The web delivered a lot of “forums” wherein opinions were expressed, but little hard data from bona fide professionals. I also did some calculations, see below. I downloaded a manual from a random electric range and saw it was specified as 240 or 208.<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><table class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0" width="227" style="width:170.0pt;border-collapse:collapse"><tbody><tr style="height:15.75pt"><td width="99" nowrap="" valign="bottom" style="width:74.0pt;border-top:1.5pt;border-left:1.5pt;border-bottom:1.0pt;border-right:1.0pt;border-color:windowtext;border-style:solid;padding:0in 5.4pt 0in 5.4pt;height:15.75pt"><p class="MsoNormal"><span style="color:black">Watts</span><span style="color:black"><o:p></o:p></span></p></td><td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:solid windowtext 1.5pt;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:15.75pt"><p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">4000</span><span style="color:black"><o:p></o:p></span></p></td><td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:solid windowtext 1.5pt;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.5pt;padding:0in 5.4pt 0in 5.4pt;height:15.75pt"><p class="MsoNormal"><span style="color:black"> </span><span style="color:black"><o:p></o:p></span></p></td></tr><tr style="height:15.0pt"><td width="99" nowrap="" valign="bottom" style="width:74.0pt;border-top:none;border-left:solid windowtext 1.5pt;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:15.0pt"><p class="MsoNormal"><span style="color:black"> </span><span style="color:black"><o:p></o:p></span></p></td><td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:15.0pt"><p class="MsoNormal"><span style="color:black"> </span><span style="color:black"><o:p></o:p></span></p></td><td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.5pt;padding:0in 5.4pt 0in 5.4pt;height:15.0pt"><p class="MsoNormal"><span style="color:black"> </span><span style="color:black"><o:p></o:p></span></p></td></tr><tr style="height:15.0pt"><td width="99" nowrap="" valign="bottom" style="width:74.0pt;border-top:none;border-left:solid windowtext 1.5pt;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:15.0pt"><p class="MsoNormal"><span style="color:black">Volts</span><span style="color:black"><o:p></o:p></span></p></td><td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:15.0pt"><p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">240</span><span style="color:black"><o:p></o:p></span></p></td><td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.5pt;padding:0in 5.4pt 0in 5.4pt;height:15.0pt"><p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">208</span><span style="color:black"><o:p></o:p></span></p></td></tr><tr style="height:15.0pt"><td width="99" nowrap="" valign="bottom" style="width:74.0pt;border-top:none;border-left:solid windowtext 1.5pt;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:15.0pt"><p class="MsoNormal"><span style="color:black">Amps</span><span style="color:black"><o:p></o:p></span></p></td><td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:15.0pt"><p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">16.67</span><span style="color:black"><o:p></o:p></span></p></td><td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.5pt;padding:0in 5.4pt 0in 5.4pt;height:15.0pt"><p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">19.23</span><span style="color:black"><o:p></o:p></span></p></td></tr><tr style="height:30.75pt"><td width="99" valign="bottom" style="width:74.0pt;border-top:none;border-left:solid windowtext 1.5pt;border-bottom:solid windowtext 1.5pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:30.75pt"><p class="MsoNormal"><span style="color:black">% Difference in amps</span><span style="color:black"><o:p></o:p></span></p></td><td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.5pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:30.75pt"><p class="MsoNormal" align="right" style="text-align:right"><span style="color:black">13.33%</span><span style="color:black"><o:p></o:p></span></p></td><td width="64" nowrap="" valign="bottom" style="width:48.0pt;border-top:none;border-left:none;border-bottom:solid windowtext 1.5pt;border-right:solid windowtext 1.5pt;padding:0in 5.4pt 0in 5.4pt;height:30.75pt"><p class="MsoNormal"><span style="color:black"> </span><span style="color:black"><o:p></o:p></span></p></td></tr></tbody></table><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">I am fairly comfortable that this is not an issue, but would like some confirmation. Thanks in advance.<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">William<o:p></o:p></p></div></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>List sponsored by Home Power magazine</span><br><span></span><br><span>List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a></span><br><span></span><br><span>Change email address & settings:</span><br><span><a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a></span><br><span></span><br><span>List-Archive: <a href="http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org</a></span><br><span></span><br><span>List rules & etiquette:</span><br><span><a href="http://www.re-wrenches.org/etiquette.htm">www.re-wrenches.org/etiquette.htm</a></span><br><span></span><br><span>Check out participant bios:</span><br><span><a href="http://www.members.re-wrenches.org">www.members.re-wrenches.org</a></span><br><span></span><br></div></blockquote></body></html>