Pumped Glycol vs Drainback Revisited
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- Опубликовано: 19 сен 2024
- Bob “Hot Rod” Rohr, Caleffi training and education manager, takes a fresh look at solar thermal systems, revisiting the latest in step-by-step system design so that the audience can be certain of a top-notch system. Rohr will uncover sweet-spot jobs and opportunities, as well as refresh the audience with the latest incentive programs.
Great info here! Thanks for the effort. Cheers!
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Guys, your product range is incredible. Where are your modules and components manufactured?
Thank you! Our product is manufactured in Italy.
I was able to cop an entire thermal solar system with 4 panels. 50gal indirect tank (battery) even a high end taco stainless steel pump ALL from craigslist. It's the most efficient system available. 100k BTU for 220 watts.
Very innovative!
Do you recommend parallel piping the collectors? I have 4 collectors flat plate piped all parallel, and when the pump turns on the temp just rapidly drops I am using a 009 stainless and I think it's a little too much velocity. It's the same weather I drainback or have it filled.
My sensor is inside the panel but on the header pipe.
Also my 009 stainless pump is a "cartridge" circ and I was wondering if I could swap like a 007 cartridge in because it definitely works better with a slightly lower flow rate.
Update: I have a feature on my pump control so that when the sensor hits X **F to prevent overheating. Now the pump runs more constantly and I'm getting a good 190* * to my 50gal thermal Cell. Ideally I'll eventually upgrade maybe to a bigger tank. Or add one hmmm... now I'll drain it back to the drainback point and see how it performs. What I've found with solar is that I have to experiment to see what works best and the simpler the better. I used thermal traps instead of check valves.
Great, happy to hear you have this working well