Did you call sma directly even though it is re branded they may be able to
help this is what sma told me directly
Fellow Wrenches , we are really having problems getting through to Sun
Power to return their SMA private labeled inverters for warranty or repairs
. Like two hours or more on deadly Mus
If NEMA 3R works, you can also consider a Soladeck combiner on pitched
roofs. They make one for combining up to three microinverter circuits on
the roof, and include circuit protection via DIN rail mounted breakers.
Jason Szumlanski
Fafco Solar
On Wed, Apr 23, 2014 at 11:11 AM, Drake <
drake
Drake.we want it to mount flush to the slope of a sloped roofThe
NEMA 3R are supposed to be mounted verticallyThis is for a large
residential Enphase system and we wanted to combine the circuits on the
roof and bring one set of conductors down.
I did find one custom made by Eaton(Cu
That would be a nice piece of hardware. Is there
any reason you can't use a NEMA 3R panel? They
are used on roofs quite a bit, and are readily
available. The Square D, 8 space, outdoor box
should work in most rooftop environments for the purpose you describe.
At 06:18 PM 4/21/2014, you wrot
It seems quite possible that a solar caused pulse could take out the grid
without affecting an off grid or battery backed grid tie solar system. In fact
it's already happened:
http://en.wikipedia.org/wiki/March_1989_geomagnetic_storm
Dick Ratico
Solarwind Electric
--- You wrote:
Good answer Wa
William,
The rack in your photo appears to support modules that are not properly sized
for that particular DPW unit. They appear to be fastened to the rack at their
third points rather than their quarter points. I've never seen that before. All
the modules I've seen have been predrilled near their
FYI DP&W has been shipping their TOP racks with lock nuts AND additional steel
where the main pivot bolt goes thru the strongback for a while. IF the customer
adjusted the rack & he didn't have to touch this bolt it would indicate to me
that the nut was loose. Sounds like additional annual maint
Good morning Wrenches,
Disclaimer: I passed this question to Wrenches at the request of one of my
salesman during a very busy day (aren't they all?). So I had not vetted it
prior to sending. He is botching my street cred! I actually have been part of
many battery designs and installs.
Moving a
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