I'm far from an expert on this but it seems that I remember when the hubbub was going on about this series inverter that the present operating ones could continue most of them had that have the add on box
I would be very surprised if after it has been disconnected from the grid and shut down for two years if they would let it reconnect I think they would treat it like a new install But that's just my opinion, Bob > On Feb 9, 2016, at 2:22 PM, Ray Walters <[email protected]> wrote: > > Greetings Esteemed Wrenches; > > I just received an interesting call from an owner of a late 1990s vintage GTB > system here in Colorado. (Trace SW4048 I'm guessing) The tenants had > disconnected the grid for almost 2 years and lived in the house off grid. > They had also done many scary wiring "upgrades" using speaker wire out of the > main AC load center. > The tenants are gone, the AC load center was cleaned up, and the owner wants > to reconnect the GT system, but the utility is not allowing it since they > were disconnected for 2 years. I'm still trying to find out what the > requirements are, but I wanted to ping the list and see what experience > anyone had, and what requirements might be placed in this situation. > It seems to me that this system should be grand fathered in and not be > required to meet more than 1999 NEC, but I've never dealt with this scenario > before. Requiring this to meet 2014 NEC would be insane, and even meeting > 2008 NEC would be a deal killer, as the old SW inverters were not UL 1741 > compliant. (wasn't even around in 1998 I believe) > My plan was to inspect the entire system, retorque connections, perform any > necessary repairs, and just confirm compliance with NEC 1999. There would be > little point, if the utility or AHJ required compliance with a newer code > though. > > Thanks as always for any assistance, > > -- > R.Ray Walters > CTO, Solarray, Inc > Nabcep Certified PV Installer, > Licensed Master Electrician > Solar Design Engineer > 303 505-8760 > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/[email protected]/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > _______________________________________________ List sponsored by Redwood Alliance List Address: [email protected] Change listserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://www.mail-archive.com/[email protected]/maillist.html List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out or update participant bios: www.members.re-wrenches.org
