Ground mount collector with plywood over the panels you do not want to
use.
Dave Angelini Offgrid Solar
"we go where powerlines don't"
[1]https://offgridsolar1.com/ [2] [1]
e-mail offgridso...@sti.net
text 209 813 0060
On 2025-06-15 7:47 pm, Jerry Shafer via RE-wrenches wrote:
Wrenches, Jay,
Yup had this same issue years ago and we used fire doors, like roll up
doors but lighter smaller and less expensive. But that was years ago.
Fun times
On Sun, Jun 15, 2025, 7:35 PM Bradley Bassett via RE-wrenches
<re-wrenches@lists.re-wrenches.org> wrote:
One other thought, on some vacuum tube collectors, if I remember
correctly, you can simply remove some of the tubes.
Brad Bassett
On Sun, Jun 15, 2025 at 7:35 PM Bradley Bassett <bbasse...@gmail.com>
wrote:
When I found that my system was somewhat oversized, I plumbed in a
mixing valve and a heat dump radiator (a few Cu pipes) in the crawl
space to dump the heat. It's on the solar supply line and it works like
a charm. It actually adds a very modest amount of heat to the crawl
space, not enough to notice. It's going on 20 years without any issues,
probably because it's an anti-freeze system so no mineral buildup in
the mixing valve. I've also heard of using a fin radiator under the eve
for this instead of the crawl space. The crawl space was easier for me.
Brad Bassett
On Sun, Jun 15, 2025 at 5:02 PM david quattro via RE-wrenches
<re-wrenches@lists.re-wrenches.org> wrote:
There must be a variable mixing valve that is informed and controlled
by a thermocouple
On Sun, Jun 15, 2025 at 4:46 PM Jay via RE-wrenches
<re-wrenches@lists.re-wrenches.org> wrote: Hi all
I've inherited an incorrectly sized solar thermal evacuated tube
system.
It's too many tubes for the use most of the year.
Does anyone know of a design or product that can remotely cover them?
I can find shade cloth of course that I can cover them but something
remote control would be better
Thx
Jay
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