<div>My eyes must be bad, i just looked at the entire list 3 times and New York state is not on it anywhere. </div>
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<div>I have see 48 below and just wanted to see what the averages ctually were.</div>
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<div>Bob<br><br></div>
<div class="gmail_quote">On Wed, Nov 18, 2009 at 7:30 AM, Dave Click <span dir="ltr"><<a href="mailto:daveclick@fsec.ucf.edu">daveclick@fsec.ucf.edu</a>></span> wrote:<br>
<blockquote style="BORDER-LEFT: #ccc 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex" class="gmail_quote">Just a note here- rather than using the record lows, you can go back to the future and use the ASHRAE minimum expected temperatures as the 2011 NEC will allow explicitly. In the '08, it says to use the "lowest expected ambient temperature," for which the ASHRAE temperatures are more appropriate than record lows. These ASHRAE temps will be higher than the record lows and will add a little more cushion there at 600 VDC.<br>
<br>So where to get these temperatures? Starting on page 47:<br><a href="http://www.solarabcs.org/permitting/Expermitprocess.pdf" target="_blank">http://www.solarabcs.org/permitting/Expermitprocess.pdf</a><br><br>Also, in case you didn't know, <a href="http://www.pvselect.com/" target="_blank">www.pvselect.com</a> is another option for string sizing that features multiple inverters and a 1 degree temperature step rather than the 9 degree (F) temperature step on the SMA sizer. They have the Kyocera KD130 in their database, but not the KC130.<br>
<br>DKC
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<div class="h5"><br><br>-------- Original Message --------<br>Subject: Re: [RE-wrenches] SWR2500U Inverter<br>From: Brian Teitelbaum <<a href="mailto:bteitelbaum@aeesolar.com" target="_blank">bteitelbaum@aeesolar.com</a>><br>
To: RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>><br>Date: 2009/11/18 01:34<br><br></div></div>
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<div class="h5">Joel,<br> The SMA SWR2500U inverter has been a long discontinued model. If you want to use an SMA inverter, go to the SMA website to use their excellent sizing program. Plug in the module, and your record minimum and average maximum temps for the site, and look for a current model inverter that will work. All of the "U" series inverters (except for the 700U) are discontinued models, and the "US" series are the current models.<br>
If your min temp is not below 14⁰F, it looks like you can use all 24 in one series string with the 4000US inverter, but that gets you awfully close to 600VDC (595VDC) at 14⁰F. You might want to play it safe and drop one of the modules. Unfortunately, none of the SMA inverters will operate with only 12 modules in a string (with two strings). However, a Fronius IG-3000 will, so you might want to go with that, although it has a lower efficiency.<br>
Brian Teitelbaum<br>AEE Solar<br> -----Original Message-----<br>From: <a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank">re-wrenches-bounces@lists.re-wrenches.org</a> [mailto:<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank">re-wrenches-bounces@lists.re-wrenches.org</a>] On Behalf Of Joel Davidson<br>
Sent: Tuesday, November 17, 2009 4:56 PM<br>To: RE-wrenches<br>Subject: [RE-wrenches] SWR2500U Inverter<br> Wrenches,<br> Our customer has 24 each Kyocera KC130 modules and wants to go grid-tied.<br>Can he use an SMA SWR2500U inverter with the fan kit? Is there a better<br>
inverter that will use all of his modules? If you have an SWR2500U or a<br>better inverter option for sale, please contact me off-list. Thank you very<br>much.<br> Joel Davidson<br> _______________________________________________<br>
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