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Can 2 EG4 3000 watt high frequency inverters start and run a 3 1/2 ton air conditioner?
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- čas přidán 16. 05. 2024
- Today we are trying to start our whole house 3 1/2 ton heat pump to air condition our house with just 2- EG4 3000 watt off grid inverters in parallel. These inverters only weigh 18 lbs each. Not like the Growatt 12kw off grid low frequency inverters that weigh 186lbs each we have been using to run our 3 1/2 ton and 4 ton heat pumps to air condition our upstairs and downstairs of our 2 story 2450 sq ft house. We have not found anyone on CZcams that has been able to do this so let’s give it a try. We will also load up the EG4 inverters to see how they can handle heavy loads. Links for products in description are below. We are an affiliate with Signature Solar, when you click on the link and purchase products, we receive a small portion of the sale. This helps our channel to purchase more products to test and share the results with you. Please Like, Share,Subscribe and hit that Notification Button as well for new content. Hope you have a truly wonderful and extremely Blessed 2024. Thanks for watching.
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Thanks for confirming that the inverters will start an ac. I just recently built a hand truck generator with an eg4 3000 w inverter and eg4 v2 5k battery for emergency use. Then added 6 400 w bifacial panels in the backyard for charging. I wanted to get a second battery for more capacity. But now I may get another inverter to start my 4 ton ac with soft start. I thought it would work. Now I know it would. Once you start putting this stuff together and using it, you want to add more to it. Addicting.
You are welcome. Glad I could show in video that it will work. I was amazed it started the 3 1/2 ton. No other high frequency inverter could come close, only the 12kw Growatt low frequency off grid inverter. Once you can get large loads to run, it is never ending on adding more to run everything. Eventually I want to move where I can go completely off grid. I have everything I need at this point. It is a good feeling. Hope you have a truly wonderful and extremely blessed 2024.
Great test! The 3000 EHV isn’t fancy but it is very affordable and reliable. ☀️👍⚡️
@@terrahillfarm it sure is. It is a powerhouse. I can run the same stuff now on EG4 3000 that before I could only run on my 12kw Growatt low frequency. This is a game changer for me. Will need 2 more to be able to run that beast of a pool heater that uses 7500 watts. Right now with just 2 I am only able to get 6000 watts at maximum. But need to add in pairs so I can’t just get 1 more. But well worth the extra money. Thanks for your input. Hope you have a truly wonderful and extremely blessed 2024.
Thank you so much for your videos...it helps me greatly!
I have the same exact setup as you with an older 3k and now a newer one. I just mounted both to my wall, but nothing hooked up electrically as yet.
I anxiously await your next video(s)!!
Note: your wiring to the electric panel would be a most interesting video for me.
Thank you again from Houston, Texas area.
I so glad you liked the video, my suggestion is to watch a professional electrician on CZcams show how to properly wire a sub panel or a small main panel. Usually you can get some great pointers from those videos and a basic understanding of how easy it is to wire an electrical panel. I am not an electrician and had to learn myself. Watching a professional wire allow you to see them wire to code. I will try to do a video showing wiring, but there are different wiring codes all over the country and you might want to do some research for your area. Even though you are off grid, you still want to do all your wiring up to code. Hope you enjoy the other videos and I will try to do a wiring video soon. Hope you have a truly wonderful and extremely blessed 2024.
Very Good kick with plenty Solar on it.
Has a great kick for 5 seconds as where most other inverters are milliseconds surge. Very surprised by small inverter. Thanks for comment, Hope you have a blessed weekend.
I run a dual fuel whole home tie in for now... But I should add that I'm an electrician at a solar company. We aren't allowed to go off grid in Houston Texas... but that's if you follow city inspector guidelines.
Safe to say, I'll be good to go decades into a grid down situation.
Inverter split AC is a total game changer.
I may not have my whole home freezing, but my family will be comfortable...and I have ear pro for the fam if someone decides I don't need to keep them safe.
stack em high my guy.
Thanks for your input. We appreciate it. Arizona is great for solar. Hope you have a truly wonderful and extremely blessed 2024.
@@diy-solar-guy Your content is amazing and more people need to follow.
Thank you for pumping it out. You are the real deal.
@@ericallen7200 thank you so much. I try to answer questions in the videos of those who might be new to this. I try to imagine what questions they might ask and then include that info in video. I do my videos more for the beginner that the advanced solar diy person. I try to show how easy it is to connect product by showing layout on wall and solar panels in yard. Thanks for the compliment and hope you enjoy the other newer video and that we hope you have a truly wonderful and extremely Blessed 2024. Feel free to ask questions if you don’t understand something or if you think something is possible the way you are thinking about doing it? Answers are free. I try to help others as much as possible and as often as possible.
Good test. Those soft starters are like magic.
Thank you for your kind words. Those soft starts are excellent for using off grid solar, without a soft start the price to start an ac would increase dramatically. Hope you have a blessed weekend.
Well done my man! Thanks for taking the initiative to do this test. You might want to see if you turn off the solar input if you can replicate this result with battery mode alone. Thanks for sharing the results.
Thank you for your comment, That will be my next test. I am waiting on 2 more server rack batteries so I can have 4 or 5 in parallel to run ac overnight and all the other freezers, fridge, and pool pump. Hoping I can start with 1 or 2 batteries on first test with no solar. Hope you have a truly wonderful and extremely blessed 2024.
I have 4 , and absolutely love them
I can see why. They are much cheaper than anything in its class to be able to run large loads when connected in parallel by far. Excellent product. I can’t wait to get 2 more so I can run my 7500 watt pool heater. Thanks for your input, hope you have a truly wonderful and extremely blessed weekend
Curious to know how you handled the neutral ground bonding between the two units. My one 3k unit without AC in does not make a ground neutral bond in the unit as I would have thought it would have been (on battery and PV mode). I think I remember looking under the panel when I first got it and don’t remember seeing a ground neutral bonding screw. I’m working with Signature Solar to see why not. When I have it hooked up to my manual transfer switch (120 volt only), everything works fine as it’s using the ground neutral bond in the service panel. When I use it with an extension cord, power strip, or a GFCI, it shows an open neutral on a tester.
If I had a second unit in split phase parallel, not sure what I would need to do with the ground line.
I grounded my output ac as stated in user manual on page 11, number 4 shows connecting ac output ground wire to ground screw on bottom of inverter on left side. Both inverter in parallel have it connected this way, I have had no problems. Hope this helps.
I wonder if the 6000xp could power the AC unit would be great to see. Excellent video. Have you done a run test to see how long it'll power the AC for the whole house?
I used 5 EG4 51.2 volt 100 ah server rack batteries in parallel last year with my Growatt inverter overnight and with 150 watt idle consumption, I got down to 30-40 percent state of charge after 12 hours of running my 3 1/2 ton on the EG4 LiFePO4 battery bank overnight. These EG4 3000 watt inverters use a lot less idle consumption, I am thinking I should have around 40 to 55 percent state of charge left after 12 hours overnight. I have 2 more EG4 batteries on the way and will run that test in a few weeks to see usage. I just have to run my upstairs ac in the summer overnight because I super cool my house down to 65 degrees from 9 am to 6 pm so my downstairs stays cool overnight even when it is 115 in the day. Thanhs for the input and question, hope you have a truly wonderful and extremely blessed 2024.
@@diy-solar-guy Thanks for the input happy blessed day as well. Is there a feature that I can use on the inverter to set a time to charge up the batteries at supper off peak power? Would be handy to know as well and a neat feature. I have aps and solar grid grid tie, would be handy to use the supper cheap rate when batteries are a bit down in soc.
I do not know if there is a setting on inverter to charge with a time setting. I don’t remember seeing one when I programmed the inverter.That would be great but I overproduce with my 3 separate independent systems.
May I ask what soft start you are using? I have an eg4 3k also and am looking to get a 2nd and do the same for my 3.5ton ac here is FL.
Here is a link to get soft start at Signature Solar
signaturesolar.com/smoothstarter-ac-compressor-soft-starter-single-phase/
And also at this link
www.eltwin.com/hyper/products
I do not see the exact one I bought 2-3 years ago but either one of the links should work for you. The brand I bought was called hyper engineering soft start. Hope your project is a great success. Hope you have a blessed week
@@diy-solar-guyLik'd an Sub'd you are awesome!
It's bern super hot lately here in Toledo Ohio but these clouds are making things a lil rough right now hot & cloudy not a good mix
You have high humidity there, our humidity is really low around 21 percent but will dip down as low as 5 percent humidity. Lower humidity, cooler you feel. Stay cool out there in Ohio. We have been hitting 110 degrees daily out here but full sun.
@diy-solar-guy Oh ok nice yea we are getting clouds from that tropical storm down in the Gulf of Mexico it's stretching all the way up here I'm staying cool thanks and you stay cool too
@@diysolaradventures7894 I will thanks.
Next test: run both the 3.5 and 4 ton at the same time
That would be 2900 watts for the 4 to. And 2400 watts for the 3 1/2 ton. Max is 6000 watts output if you have enough solar connected . I will try in the near future. Thanks for your input and hope you have a truly wonderful and extremely blessed 2024.
What brand soft start are you using ? I plan to add one to my hvac, I have 2 EG4 6500ex so It should be ok.
I used hyper engineering that I bought from signature solar but this is the only one they are selling now. Should work. signaturesolar.com/smoothstarter-ac-compressor-soft-starter-single-phase/
Where does the neutral bond in this set up occur?
In the electrical panel that is off grid and not connected to grid in any way. Not even grid input on inverter. Used the green bonding screw so the neutral is connected to ground in electrical panel.
How did you get 240 VAC if you wired the two inverters in parallel? Are the EG4 3000 Watt inverters 120 Volt or 240 Volt inverters?
It shows in the instructions how to wire so that each inverter supplies 120volts for each leg. The inverter itself can only produce 120 volts, so when you connect in parallel, you get split phase 120/240 volts. Very easy to connect. You only have a black and a white wire coming from the inverters to electrical panel. You can look at the manual on the signature solar website for the EG4 3000 watt inverter before you buy to see the wiring schematic in installation instructions. Pretty straight forward. Hope this helps. Hope you have a truly wonderful and extremely blessed 2024
@@diy-solar-guy Actually then, the output of these inverters are being wired in series. When you wire two sources of power in series, you double the voltage (240 Volts) and the current in the circuit remains the same. When you wire in parallel, the voltage (120 Volts) remains the same and the current doubles.
@@quickquote1568 so inverters have to be connected with communication cables to get split phase with 120 volts output from each inverter into the breaker box which is where you will get the 240 volts across the 2 legs.
Let's GOOOOOOOOOO!
This is insane that those little lightweight 18lb EG4 high frequency 3000 watt off grid inverters can start that 3 1/2 ton ac. Huge game changer for those looking to go off grid.
Are u going to take down the power hungry Growatt inverters now that ur able to run ur central air units on the more efficient EG4 inverters ?
I’m not sure, I’m keeping on the wall for now since I have the space. Those were a major hassle to mount on wall. I’m actually using both still. One is being used to run mini split in the garage from 6 am to 6 pm. Keeps garage at 70-75 all day long. The other one I’m using to run my pool pump on high during the day so my pool is sparkling clean all the time. Those are only power hungry at night consuming 150 watts at idle but during the day I over produce so it’s not a problem. I’m in the process of changing out my poly solar panels to mono and also increasing watts for each solar panel.
@diy-solar-guy oh ok I was able to run my 12,000 BTU mini split all night last night in eco mode it got down to less than 200 Watts I was very impressed once I turn my mini split on high and it starts cooling down the room that's when I press the Eco Mode which separates the outside unit from the wall unit the outside unit starts slowing down using less power while the inside unit you can still keep the fan on high in cool mode
@@diysolaradventures7894 very nice. I use the economy mode early in morning and late in the day when I’m trying to cool one of the bedrooms more than the other bedrooms. You are right, it uses a lot less on economy mode. I like the Growatt as a backup and that I can purchase spare boards on eBay or internet that I can replace myself. They have already paid for themselves in electric cost savings so they are still good. Those are selling for $1500 refurbished and over $2200 new plus having to pay freight so they are worth holding onto on the wall for backup. Very very reliable off grid inverters!!!!
@diy-solar-guy yes they are since my solar system is a 24-volt with 224 volt 3000 watt inverter chargers I'm thinking about upgrading to the 24v 3000w Growatt inverters because they the only 24 volt inverters that allow for parallel connections my 24-volt inverters doesn't allow for it I've been looking at the 24v Growatt
@@diysolaradventures7894 an upgrade is nice. When I upgraded to the 48 volt inverters, that opened up every option for me, including running my main whole house heat pumps. I was using 24 volt MPP inverters when I started out but it limited me to run my stuff overnight. Hope you have fun upgrading.
How many btu is the 3 & a half ton & 4 ton ?
42000 btu and 48000 btu for 3 1/2 & 4 ton.
@@diy-solar-guy Ohh ok wow my 12,000btu Senville what ton would that be considered??
@@diysolaradventures7894 1 ton = 12,000 btu’s
2 ton = 24,000 btu
3 ton = 36,000 btu