[RE-wrenches] Sol-Ark 15k Conduit Entries

Fri Aug 4 12:30:38 PDT 2023

FYI, your previous picture is of a 12k, you can tell by the on off button
on the face of inverter, it didn't require any bottom ventilation, just
side.

Roland Shackelford

President / Owner

NABCEP PVIP #091209-162

O 808.775.7410 | M 808.938.9239 |

45-487 Lehua St Honokaa, HI 96727

Power Solutions for Generations Renewable Energy Services, Inc.
<https://www.renewablenergy.com/>

" Where there is integrity, there will be trust. Where there is trust,
there will be an atmosphere for success." - Sadhguru

On Fri, Aug 4, 2023 at 9:02 AM Jason Szumlanski via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> Now that I look closer at HomeGrid's website, it could be a treasure trove
> for one of those "spot the code violation" sections in the back of a
> magazine.
>
> https://www.homegridenergy.com/stackd-series
> <https://mailtrack.io/trace/link/42869fb5365c5a45dd6e6ae56fcbdb53cecb0f3c?url=https%3A%2F%2Fwww.homegridenergy.com%2Fstackd-series&userId=1613865&signature=33578f3412d8f6ac>
> (bottom of page)
>
> Jason Szumlanski
> Principal Solar Designer | Florida Solar Design Group
> NABCEP Certified Solar Professional (PVIP)
> Florida State Certified Solar Contractor CVC56956
>
>
> On Fri, Aug 4, 2023 at 2:44 PM Jason Szumlanski <
> jason at floridasolardesigngroup.com> wrote:
>
>> That's an interesting idea for sure. Most residential garages around here
>> are only 8' or 9', so that could present some issues. It might be hard to
>> stack the HomeGrid batteries on a high rack, and then the wire management
>> from the top BMS is another issue. Still, for a more business/industrial
>> setting, I can see that being a plausible solution and could remove the
>> working depth issue altogether if they are high enough.
>>
>> Incidentally, I just found this picture on the HomeGrid website showing
>> essentially zero clearance below a Sol-Ark inverter.
>>
>> [image: image.png]
>>
>> Jason Szumlanski
>> Principal Solar Designer | Florida Solar Design Group
>> NABCEP Certified Solar Professional (PVIP)
>> Florida State Certified Solar Contractor CVC56956
>>
>>
>> On Fri, Aug 4, 2023 at 12:56 PM Michael Morningstar via RE-wrenches <
>> re-wrenches at lists.re-wrenches.org> wrote:
>>
>>> I just checked out the Homegrid batteries. Just throwing this out there.
>>> If there is enough ceiling height you could hang them. That's typically how
>>> we deal with transformers in commercial and industrial settings. We usually
>>> build a permanent gantry out of square tubing, 1/2" rod and strut. Then
>>> ratchet strap or chain hoist them up. Just an idea.
>>>
>>> Yes Dave, that's the one.
>>>
>>> On Fri, Aug 4, 2023 at 9:48 AM Dave Angelini Offgrid Solar via
>>> RE-wrenches <re-wrenches at lists.re-wrenches.org> wrote:
>>>
>>>> Very nice Install Michael!  Was that the project on the xxCloud River
>>>> we talked about?
>>>>
>>>> It looks like you have kept the gutter heat gain down to protect
>>>> electronics.  “the rule of thumb is that every 10°C increase in
>>>> temperature reduces component life by half”
>>>>
>>>> https://www.electronics-cooling.com/2017/08/10c-increase-temperature-really-reduce-life-electronics-half/
>>>>
>>>>
>>>>  *Dave Angelini Offgrid Solar
>>>> "we go where powerlines don't"
>>>>    <http://members.sti.net/offgridsolar/>https://offgridsolar1.com/ <https://offgridsolar1.com/>  <http://members.sti.net/offgridsolar/>
>>>> e-mail  offgridsolar at sti.net <offgridsolar at sti.net>
>>>> text 209 813 0060*
>>>>
>>>>
>>>> On 2023-08-03 10:08 am, Michael Morningstar via RE-wrenches wrote:
>>>>
>>>> Hi Drake,
>>>> Those are single phase combiner panels. I would have loved to set this
>>>> up as a three phase system, but there was already a mile of underground
>>>> single phase run throughout the property. We ended up running a half mile
>>>> 15KV line from the power site to the estate. This is an aside, it's kind of
>>>> hard to see, but for seperation, we attached  the pv circuits to the back
>>>> of the gutter using through bolted adhesive backed cable tie holders. Often
>>>> we use gutter dividers. They originate in the tall cabinet at the end which
>>>> houses controls, secondary PV disconnects, AC and DC egauges, Tigo hub,
>>>> Battery hub and (Lynk II). On the opposite end is a similar cabinet for the
>>>> collection and distribution of AC circuits. Also, above and below the
>>>> batteries are small gutters for communications and CT wires that run from
>>>> the transfer switches to eguage. One transfer switch to alternate usage
>>>> (alternating relay) or bypass between Gen 1 and Gen 2, and the other switch
>>>> to select inverter or generator power, locally or remotely. In the AC
>>>> cabinet there is a 400a contactor and time delay relay to achieve a
>>>> generator cooldown as the janky Sol-Arks don't do that and it's hell on new
>>>> diesels not to have that function.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> --
>>>>
>>>>
>>>>
>>>> Michael Morningstar
>>>>
>>>>
>>>>
>>>> Morningstar Electric
>>>>
>>>> PO Box 1494
>>>>
>>>> Mount Shasta, CA 96067
>>>>
>>>> 530-921-0560
>>>>
>>>> mjmorningstar at gmail.com
>>>>
>>>>
>>>>
>>>> --
>>>
>>> Michael Morningstar
>>>
>>>
>>> Morningstar Electric
>>>
>>> PO Box 1494
>>>
>>> Mount Shasta, CA 96067
>>>
>>> 530-921-0560
>>>
>>> mjmorningstar at gmail.com
>>>
>>>
>>> _______________________________________________
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>>>
>>>
>>>
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