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

[Jason Szumlanski]

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
>>
>>
>> _______________________________________________
>> List sponsored by Redwood Alliance
>>
>>
>>
>>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20230804/00345567/attachment-0001.htm>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: blocked.gif
Type: image/gif
Size: 118 bytes
Desc: not available
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20230804/00345567/attachment-0001.gif>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image.png
Type: image/png
Size: 600241 bytes
Desc: not available
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20230804/00345567/attachment-0001.png>