SB Disco for 2 strings (was RE: ST XR series, anyone tried on yet? )[RE-wr

[William Miller]

Mo:

I believe combiner fuses are not required in most situations.  John Berdner
did some good research which is outlined in a paper he wrote.  It is
available on my website (URL below) under downloads.  Instead of fusing, I
use two Square D combiner blocks (LBA162104) that fit nicely into the DC
disconnect.

William




At 12:27 PM 6/21/02 -0700, you wrote:
>In my opinion a really nice dc disco would also have a
>combiner box built in.  So, if you are running two
>strings of 24vdc panels you can combine them before
>the SB, provide string fusing, and have only a single
>disco to contend with.  Is my thinking flawed -- any
>other suggestions??  We are doing quite a bit of 2
>string installs with a single SB.
>
>Thanks!
>Mo


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