[RE-wrenches] Off-grid Sunny Island to backup

[Tump]

Mac having installed quite a few of these and having the SMA SIs installed and operating in my home, ( back up & off grid/ GT) please feel free to contact me off list. I would strongly concur w/ Bradly w/ his suggesting you utilize the dc coupling. Tump
> On Feb 18, 2019, at 8:19 AM, Mac Lewis <maclewis1 at gmail.com> wrote:
> 
> Hello Wrenches,,
> 
> We have been asked to take an SMA Sunny Island System that is off-grid, and convert it to a backup system (Quad stack).  Currently, this is a DC coupled system using Midnite charge controllers.  We would like to add SMA grid-tied inverters to backfeed excess power.  I have located this document:
> https://files.sma.de/dl/7910/SB-OffGrid-TI-US-en-19.pdf <https://files.sma.de/dl/7910/SB-OffGrid-TI-US-en-19.pdf>
> 
> According to this document, there really isn't Sunny Boy inverters available that can function as a backup for a system like this.  Is this true?  
> Do you know of any distributors that may have stock of the  SB XXXXTLUS-12 line of inverters that would work for this.
> 
> Thanks for your assistance
> 
> -- 
> 
> 
> 
> Mac Lewis
> 
> "Yo solo sé que no sé nada." -Sócrates
> 
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