I've been using two gutters with multiple 12KW Sol-Arks Installs - one
4x4" that I mount immediately under the AC KOs using forward biased
offset nipples (it's front face is just abouut 1/2" in front of front
plane of Sol-Arks) and then a 6x6" set back and down and reached with
4" nipples extending offset nipples so that I get an AC and DC gutter -
not sure how others are dealing with need to separate AC and DC.
For the PV inputs on 12Kws I do two additional 1" KOs - one through the
vertical mid-plate below the DC terminations and then one down through
the bottom just to the rear of that plate. That way using offsets I can
reach the 6" DC gutter with both the Battery DC and the PV DC in one
gutter. I then use an LL to get the AC gutter back to the wall at one
end. Can send pics offlist if you are interested.
I spoke to Sol-Ark a few times about the need to give us more room and
better KOs - putting the DCs in one plane and the ACS in another -
giving us 2" KOs for battery cables instead of forcing each cable
through it's own 1" etc. Unfortunately didn't get that message through
before they had already designed the 15 KW.
We have also just added KOs to the left side of the unit to bring in the
PV inputs when that is more convenient.
No better tool than our hydraulic KO punch!
Hope that helps ~
Jeff
~~~~~~~~~~~
Jeff Clearwater
linkedin <https://www.linkedin.com/in/jeff-clearwater-0622a312/>
www.villagepowerdesign.com <http://www.villagepowerdesign.com>
cell - 413-559-9763
~~~~~~~~~~~~~~~~~~~~~~~
Michael Morningstar via RE-wrenches
<mailto:re-wrenches@lists.re-wrenches.org>
May 8, 2022 at 11:03 AM
We cut out the bottom plate entirely with a die grinder/cut off wheel
and then wrap the raw edge with vinyl "edge wrap" and set the
inverters on top of 10 x 10 x whatever gutters. The layout and sizes
of Sol-Arks knock-outs is screwy. Just need a bonding jumper between
both enclosures. This is common practice in the industrial world when
dealing with large VFDs and such.
--
Michael Morningstar
Morningstar Electric
PO Box 1494
Mount Shasta, CA 96067
530-921-0560
mjmornings...@gmail.com <mailto:mjmornings...@gmail.com>
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Jay via RE-wrenches <mailto:re-wrenches@lists.re-wrenches.org>
May 8, 2022 at 5:57 AM
Hi Chris,
Can’t you increase the size of the KO’s?
Jay
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Chris Sparadeo via RE-wrenches <mailto:re-wrenches@lists.re-wrenches.org>
May 7, 2022 at 6:16 PM
Jason,
I think I agree with your interpretation of the wiring diagram. My
hesitation is, with a 1-1/4” KO for AC inputs, only choice seems to be
a >24” stub conduit for 2/0 conductores to a fused disconnect. Not a
fun pipe to bend…and extra BOS seems like a less than ideal solution.
Is this your conclusion as well?
--
Chris Sparadeo
C_802-369-4458
H_802-728-3059
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