I'd add at least a small amount of DC coupled charging so that if the
main AC trips off for any reason, the batteries will still get a charge.
I've done a few SMA setups and having an heavy AC load or low battery
situation shut down all battery charging is a serious problem with AC
coupled setups. Sorry I don't have a Webbox.
R. Ray Walters
Chief Technical Officer, RemoteSolar.com
BS Mech Engineering, 1988
Former NABCEP Certified, 2004-2016
Licensed Master ELectrician, Colorado
303 505-8760
On 4/13/17 5:20 PM, Jeff Clearwater wrote:
Hi Folks,
Well I've designed and sold an 18 KW Sunny Island / Sunny Boy system
for the Carribean but SMA informs me that they have nothing to replace
the discontinued Sunny Webbox for another several months.
I can't simply tell my customer - "oh by the way - you know that
cadillac system I sold you and am installing in June? oh the
manufacturer has no monitoring solution for you"! Especially after
repeating over and over again the most important part of any off-grid
system is the battery % gauge in the kitchen!!!
So if anyone has a SUNNY WEBBOX out there - or knows where I can get
one. Please contact me OFFLIST.
Thanks so!
Best
Jeff
--
Jeff Clearwater
Village Power Design
Renewable Energy Design & Installation
Ecovillage Design Consultant
NABCEP™ Certified Solar PV Installer
Licensed Solar Contractor in CA - C-46
www.villagepowerdesign.com
413-559-9763
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