The Sanyo/panasonic are a bit smaller, just need to reduce rail width & drill holes but thats what I am doing. On Jan 31, 2014, at 12:14 AM, Ray Walters wrote:
> No suggestions on modules, but possibly you could swap all the good modules > onto 2 poles, and modify the 3rd rack to hold a set of all newer modules? > I just sold a customer a bunch of Solar World 270s, to replace dead Astro > Power modules on Wattsun racks. > They went for a total square footage that was similar, and apparently didn't > have much trouble modifying the rack. > (I didn't do the work, originally or after) > R.Ray Walters > CTO, Solarray, Inc > Nabcep Certified PV Installer, > Licensed Master Electrician > Solar Design Engineer > 303 505-8760 > On 1/30/2014 9:37 PM, Allan Sindelar wrote: >> Wrenches, >> About a year ago I asked for suggestions of 72-cell modules with 125 mm >> cells - the standard 155-195W modules of just a few years ago. Now we really >> need some. >> >> We have a good customer for whom we put in an off grid system in 2006. 48V, >> 27 BP SX170 modules on three Wattsun trackers. Each tracker holds nne >> modules, wired as three 72V strings of three modules each. >> >> Yes, the notorious SX170s. Four with burn spots were replaced in 2008, 6 >> more in 2010, and now ten more failed or are showing discoloration. BP's >> warranty contractor has agreed to replace the wattage equivalent of 23 of >> them at $2.00/W. They will either ship us replacement modules or send a >> check for purchase of replacements elsewhere. The problem is that their only >> offerings are 60-cell modules, which won't fit the trackers. >> >> BP got out of the solar business before the standard configuration went to >> the larger 156 mm cells. I would have appreciated a serious corporate effort >> to procure warranty stock of modules that were most like the ones >> manufactured by BP, so that they would more readily replace their warranty >> failures. That apparently is not to be. >> >> The SX170s are 31.1" (790mm) by 62.8" (1593 mm). I need to locate some >> 72-cell modules in this standard dimension range. We'd probably buy 27 of >> them, once we determine that the replacements can be fit to the racks. >> >> Can anyone suggest a brand/model/supplier etc.? I have seen that Eopply >> shows 195W mono modules in the U.S. section of their website (thanks, Chris >> Daum) and I'll call them in the morning. Any other suggestions, please? >> >> Thank you, >> Allan >> -- >> Allan Sindelar >> al...@positiveenergysolar.com >> NABCEP Certified PV Installation Professional >> NABCEP Certified Technical Sales Professional >> New Mexico EE98J Journeyman Electrician >> Founder, Positive Energy, Inc. >> A Certified B CorporationTM >> 3209 Richards Lane >> Santa Fe, New Mexico 87507 >> 505 424-1112 office 780-2738 cell >> www.positiveenergysolar.com >> >> >> >> _______________________________________________ >> List sponsored by Home Power magazine >> >> List Address: RE-wrenches@lists.re-wrenches.org >> >> Change email address & 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 > > Change email address & 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 > > t...@swnl.net www.SWNL.net > Solarwinds Northernlights > Serving Mid Coast Maine & Northern California > 207-832-7574 Cl. 610-517-8401 > > Blair "TUMP" May > ******** MAINE'S CHARTER ******** > NABCEP "Certified PV Installer" > > ******** MAINE'S CHARTER ******** > Trace Xantrex "Certified" Dealer / Installer" >
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