Friends:
The T-bolts scare me. If you get them rotated fully, there is but a little
nib on each end of the T that constitutes your entire hold down
strength. Fail to rotate them fully and your hold down strength is
compromised.
DPW has a new approach I inspected at the SPI: The hold down clip is
indexed to the T-bolt. The T bolt must be fully rotated before the clip
can be lowered between the modules. I find this way
"more-better." Another advantage to DPW clips: they require 1/4" spacing
instead of 1".
I prefer Unirac rail -- I might try substituting DPW hardware into Unirac
rail. Has anyone tried this?.
William Miller
At 10:12 AM 1/18/2010, you wrote:
I'll second that! We had good luck with the little clips for the Enphase,
but there's a lot of opportunity for having to do a lot of work over again
if anything goes wrong.
This is my disappointment with the Clicksys in general. In my opinion, the
genious of the SolarMount is the T-bolt that allows you to install top
clamps as you go instead of having to slide everything down from the end
of the rail. Clicksys does away with this. When you add in the Enphase to
the Clicksys, you have a very non-flexible installation. All the top
clamps have to be in place before the inverters are installed. If you miss
or break a clamp you have to take all your inverters off and slide all the
clips off to get a new one in place.
Also on my list of why I'm underwhelmed by Clicksys is that with our 25lb
snow load here you need an attachment every 24". In my mind this makes
them only practical on standing seam roof.
I'm a big fan of Unirac, but I think they missed on this one.
Dana
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