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Heating pool with 127,000 btu electric pool heater, 12kw Growatt inverter & EG4 battery
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- čas přidán 10. 04. 2024
- Today we are heating our 15,000 gallon pool with our 12 kW Growatt off grid low frequency inverter and EG4 LiFePO4 battery bank. We are supplementing with the EG4 5000 watt charge controller. This heater will use 7000 -7500 watts at 230 volts. Using solar I need to produce 145-180 amps. I use the 12kw Growatt low frequency off grid inverter to produce 80 amp or 4500 watts and an Eg4 charge controller to produce the other 60 amp or 300 watts for this time of year in April of 2014. Today will be 94 degrees. will will run pool heater 4-6 hours each day to reach 88 degree pool water and will continue to use pool cover and 17,000 btu 120 volt pool heater to keep that 88 degree temp for the next month. Links below for products in video. We are an affiliate with Signature solar.
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You're a man cut from the same cloth as myself. I love the dedication and execution of your vision. Someday all my other HoneyDo projects will be complete and I'll have time to work on exactly this type of setup, as I haven't been working on solar much since messing around with the Electrodacus and MPP 5048 equipment a few years ago. Really nice setup you have there, I'm very impressed!
Thank you so much. It is a larger system that can handle everything around the house I can connect to. I am so glad I started off grid solar 4 years ago. Now I share what is possible with off grid solar and the information I found out with practical use. I was a little if fun learning own my own. Hope you have a truly wonderful and extremely blessed 2024.
Nice video filled with good tips & trix. I'm setting up a much easier solar powered pool heater right now and my goal is 30°C / 86°F in the pool. I'm starting with 250 meters / 820 feet of 20 mm / ¾ inch PEM hose in a flat rooftop setup. A 20V rainwater barrel pump (2,000 liters - 528 gallons / hour) will be connected directly to a single solar panel, so it's a completely automatic system controlled and powered by the sun.
No sun = no pump = no heating.
Since I'm located at 60° latitude in the northern hemisphere, I'll guess it'll be some problems and math to solve along the way, but it'll be fun.
Keep up your good work
I did that with the 1/2 inch black drip line. 200 feet in a circle mounted in a black painted box.i had 3 sets connected to a Ryobi 18 volt sump pump. The biggest problem to overcome is having the water go through the tubing slow enough to pumice up the heat. It basically almost has to trickle out in order to pick up the heat. I have a 15,900 gallon pool and honestly using a thermal pool cover heated the water better than the tub I g heater. It was a lot of fun building but lack luster results. The 127,000 but pool heater is able to heat with the pool pump running at 2200-2700 rpm’s and heat water 1-3 degrees per hour while going through a 2 inch diameter pvc plumbing. . The more tubing you can use and the smaller the inside diameter, the better the results for the solar pool heater. Thank you so much for your excellent feedback on making a solar pool heater with one solar panel. I hope it will give you better results than I got. Hope you have a truly wonderful and extremely blessed 2024
@@diy-solar-guy I forgot to tell you that my pool only contains 3,300 gallons.
I've seen some videos with these black boxes with circle mounted hose, but it seems to be alot of troubles with them, so I choosed this setup instead. Sure the wind will lower the surface temp on the hose, but as long as I'll get around 110°F in the return from around 70°F pool water, then I'm happy.
In Sweden there is still freezing temp at night time, so I haven't been able to test my theory in reality so far, but I'm eager to start.
@@SolarProjectsSweden thank you for the wonderful info. Let me know how it works for you. Always interested in anything solar.
@@diy-solar-guy I'll give you an update when it's up and running
Whats your total amount of solar panels? I have 15kw (48 Panels) and am about to add 8kw (16 Panels) of bifacials so I will be over 23kw. Lets prepare for the Arizona summer! :D
I have 48-250 watt mono used solar panels connected with another 10-400 watt bifocal solar panels on EG4 charge controller to supplement my load for 127,000 btu pool heater. Can not parallel Growatt low frequency inverters so I use the charge controller connected to bus bar if Growatt inverter. I also have the second Growatt inverter with 26-250 watt solar panels. The EG4 inverters have 16-250 watt solar panels connected. Total 26,500 watts of solar available usually only need around 5000 watts for ac and pool. Better to be over paneled than under paneled. Especially when the used solar panels were $20-$40 each. Nice to have the power available if I need it. Can run my pool heater, upstairs and downstairs ac and garage ac as well as pool pump, 3 chest freezers and 24.5 cf fridge/freezer at the same time. Was nice and cool in house and garage yesterday with 94 degrees outside. Did not use any grid power to cool house or garage. Hope you stay cool this summer in AZ. Thanks for you input and hope you have a truly wonderful and extremely blessed 2024.