[RE-wrenches] SMA 1800u not generating power

[frenergy]

Is another possible solution.....use the prior version of the SB (non-TL)?, of course if the VDC of the strings works out.  You wouldn't need to worry about any of the wiring, or trying to convince a clueless AHJ one inverter in safer than another.  I've used exclusively TL's in all my installs lately, I assume the non-TL SB's are still available.

Bill

Feather River Solar Electric
  ----- Original Message ----- 
  From: billbrooks7 at sbcglobal.net 
  To: 'RE-wrenches' 
  Sent: Friday, July 24, 2015 4:07 PM
  Subject: Re: [RE-wrenches] SMA 1800u not generating power


  Glenn,

   

  While the installation may not claim exact compliance with the current NEC (debatable), you can easily show that the TL inverter is much safer than the older 1800U. The TL has arc-fault detection and much better ground-fault detection. Conduit is not the answer since it breaks several other code requirements like the module manufacturer’s instructions (110.3(B)).

   

  Bill Brooks.

   
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