Not so fast on average and expected low and record low. Last winter it was -38 in a location that has a -39 record low. I was scared. DT
--- On Wed, 11/18/09, robert ellison <reelli...@gmail.com> wrote: > From: robert ellison <reelli...@gmail.com> > Subject: Re: [RE-wrenches] SWR2500U Inverter > To: "RE-wrenches" <re-wrenches@lists.re-wrenches.org> > Date: Wednesday, November 18, 2009, 5:29 PM > Thanks Dave, > > Now we don't feel so left out. > > Everyone might want to notice that the temps are in > centigrade, not Fahrenheit > > It is still off for this area, by a bunch on the cold > side but i guess we just need to let common sense work and > account of that. > > Last year the low was -39 in Watertown and colder in > other areas that no one wants to put a weather station > in.... > > Tell me again why i live here? > > Later, > Bob > > > > > On Wed, Nov 18, 2009 at 11:14 AM, > Dave Click <davecl...@fsec.ucf.edu> > wrote: > > Good > catch Bob, there seems to be a page missing from that > table... this report from Bill's site has the complete > table (at the end of the file, again). > > > http://www.brooksolar.com/files/Expedited_Explanation-5-6-09.pdf > > > > DKC > > -------- Original Message -------- > Subject: Re: [RE-wrenches] SWR2500U Inverter > > From: robert ellison <reelli...@gmail.com> > To: RE-wrenches <re-wrenches@lists.re-wrenches.org> > > > Date: 2009/11/18 11:01 > > > > My eyes must be bad, i just looked at the > entire list 3 times and New York state is not on it > anywhere. > I have see 48 below and just wanted to see what the > averages ctually were. > Bob > > > > On Wed, Nov 18, 2009 at 7:30 AM, Dave Click > <davecl...@fsec.ucf.edu > <mailto:davecl...@fsec.ucf.edu>> > wrote: > > > 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. > > So where to get these temperatures? Starting on page > 47: > http://www.solarabcs.org/permitting/Expermitprocess.pdf > > > Also, in case you didn't know, www.pvselect.com > <http://www.pvselect.com/> > 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. > > > DKC > > > -------- Original Message -------- > Subject: Re: [RE-wrenches] SWR2500U Inverter > From: Brian Teitelbaum <bteitelb...@aeesolar.com > > > <mailto:bteitelb...@aeesolar.com>> > To: RE-wrenches <re-wrenches@lists.re-wrenches.org > > > > > <mailto:re-wrenches@lists.re-wrenches.org>> > Date: 2009/11/18 01:34 > > Joel, > 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. > 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. > Brian Teitelbaum > AEE Solar > -----Original Message----- > > From: re-wrenches-boun...@lists.re-wrenches.org > <mailto:re-wrenches-boun...@lists.re-wrenches.org> > > [mailto:re-wrenches-boun...@lists.re-wrenches.org > <mailto:re-wrenches-boun...@lists.re-wrenches.org>] > On Behalf Of > > Joel Davidson > Sent: Tuesday, November 17, 2009 4:56 PM > To: RE-wrenches > Subject: [RE-wrenches] SWR2500U Inverter > Wrenches, > Our customer has 24 each Kyocera KC130 modules > and wants to go > > grid-tied. > Can he use an SMA SWR2500U inverter with the fan > kit? Is there a > better > inverter that will use all of his modules? If > you have an > SWR2500U or a > better inverter option for sale, please contact > me off-list. > > Thank you very > much. > Joel Davidson > > _______________________________________________ > List sponsored by Home Power magazine > List Address: RE-wrenches@lists.re-wrenches.org > > <mailto:RE-wrenches@lists.re-wrenches.org> > > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > List rules & etiquette: > > www.re-wrenches.org/etiquette.htm > <http://www.re-wrenches.org/etiquette.htm> > > <http://www.re-wrenches.org/etiquette.htm> > Check out participant bios: > www.members.re-wrenches.org > > <http://www.members.re-wrenches.org/> > > > <http://www.members.re-wrenches.org > <http://www.members.re-wrenches.org/>> > > > > ------------------------------------------------------------------------ > > > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > <mailto:RE-wrenches@lists.re-wrenches.org> > > > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > > www.re-wrenches.org/etiquette.htm > <http://www.re-wrenches.org/etiquette.htm> > > > Check out participant bios: > www.members.re-wrenches.org > <http://www.members.re-wrenches.org/> > > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > <mailto:RE-wrenches@lists.re-wrenches.org> > > > > > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > > www.re-wrenches.org/etiquette.htm > <http://www.re-wrenches.org/etiquette.htm> > > > Check out participant bios: > www.members.re-wrenches.org > <http://www.members.re-wrenches.org/> > > > > > ------------------------------------------------------------------------ > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > > > > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > > > > > -----Inline Attachment Follows----- > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > __________________________________________________ Do You Yahoo!? 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