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Two EG4 3000 inverters in parallel 120/240 volts, EG4-48v batteries & bifacial solar panels runs AC
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- čas přidán 8. 05. 2024
- Installed and connected 2-EG4 3000 watt out put inverters in parallel connected to 2-EG4 48v server rack batteries for 200ah and using used poly solar panels on one inverter and using 10 new 400-500 bifacial solar panels on other inverter. We purchased the breaker panel, 120 volt outlets, outlet boxes, 10guage 2 wire with ground, flexible conduit, ac breakers at local hardware stores. Dc breakers and boxes to mount dc breakers were purchased online at major online stores. Links below for products purchased at Signature Solar. Links below. Please Like, Share, Subscribe and hit Notification Bell. Hope you have a truly wonderful and extremely blessed 2024.
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Very good. I have been doing some research and the eg4 3kw looked good for what I needed but the documentation leaves a lot to be desired. I just wanted to see someone else do it and explain their thoughts. We seem to be on the same wavelength. I appreciate your video!
I’m uploading a video of connecting 4 EG4 3000 watt inverters in parallel but taking forever. I was only running 2 with a load so I was maxed out at 6000 watts using a small electrical panel with 2-30 amp breakers and 2-15 amp breakers. I could not use all I was producing so I retired to my large electrical panel for 200 amp service. I still need to connect a total of 16,000 to 20,000 total watts in solar panels to the inverters. 4000-5000 watts on each inverter with a 35.5kwh EG4 LiFePO4 battery bank. I just connected and tested the system with 4000 watts in new solar panels and 2000 watts of used 250 watt poly solar panels on 2nd inverter, 4000 watts used 250 watt poly solar panels on 3rd inverter and 4000 watts of used poly solar panels on 4th inverter. I was able to start my 3 1/2 ton then a minute later started my 4 ton ac as well, so I had both 3 1/2 ton and 4 ton ac running at the same time. I was using around 6500 watts and discharging my battery bank.3 amps. So I still need to reconfigure my solar arrays to have 5000 watts on all 4 arrays, then I think I will be able to run 10,000 watts to 12,000 watts output. I am ordering more bifacial solar panels soon but just wanted to let you know 4 inverters in parallel have no problem starting and running the large loads I was running on my 12kw Growatt low frequency inverters. These weigh 18 lbs, the Growatt weighs 186 lbs. these little power house EG4 inverters are a major game changer!!!! I run my 3 1/2 ton ac overnight on my 25.5 kWh battery bank and have over 50 percent state of charge left at 7am. I going to use one of these in my motor home to run a 120 volt 12,000 btu mini split that cools it down insanely fast compared to rooftop ac that is now very efficient. Look for my next video if it ever gets uploaded to CZcams sometime soon. It is all about the EG4 3000 watt inverters in parallel. I think you will like the info I give in video. Thanks for your comment and I hope you have a truly wonderful and extremely blessed day.
helpful. I was looking at the eg4 6000 splitphase, but this is about the same set up and cost; and may give you more options with gensets, etc.
I was originally going to install this in my motor home but was so impressed with the first one, I bought 4 more to eventually run all my loads on off grid system. Weighing only 18 is insane for the power you get out of this unit. I am running my 3 1/2 ton upstairs ac and 4 ton downstairs ac all day long with just solar and 3 1/2 ton overnight on EG4 LiFePO4 battery bank
I would like to see a video dedicated to the wiring of the 120v/240v ac side of the solar it's the ac current wiring a lot of us are concerned with the Solar DC panel input side & inverters I running two right now but not together to a breaker box people don't seem to talk about that side of the solar system the ac side of things when dealing with inverters & wiring
Until I can get a video up, check out DIY solar with Will Prouse and David Poz. They have some really good videos on the wiring of inverters to breaker panels. Hope this helps.
@diy-solar-guy I know Pappa I seen all the videos a few times I just like how u do ur videos that's all 😉
@diysolaradventures7894 why thank you so much. One reason I have stayed away from those type of videos is the issue of grounding. Either using an earth ground which I can not do at my place or bonding in the electrical panel. So I have left that up to others to do videos on that subject. I’m just an average guy that got interested in solar and share what I have learned. I’m not a professional. Thank you again for your kind comment. Hope you are doing well and enjoying your mini splits.
@@diy-solar-guy yes my mini split is doing great and you know something I feel the same way when it comes to grounding that's my biggest issue that I'm scared to mess with so my inverters simply run to a power strip and from the power strip I run throughout the house
@diysolaradventures7894 for now I am bonding in my electrical solar panels. I also when adding 120 volt electric outlets, ground the outlet wires to the ground on inverter. If I lived completely off grid in the middle of no where where there is not electricity available I would definitely earth ground over bonding to electrical panel. But since they cram these houses so close together, I pick up voltage in ground no matter where I try to ground in my yard. When I did earth ground at first I was having a lot of problems with tripping gfi outlets and getting shocks from the metal wire racks the batteries were on even though there was no metal to metal contact. I was getting a shock. When bonding, you can also get a shock as well but I noticed a big difference in how little the shock was when binding to electrical solar off grid breaker panel. So all my inverters are now bonded to solar off grid breaker panels and I feel comfortable with that. Hope this helps.
Can I ask why would you need the 3k units with 2 12k's already installed. ? Did u find a way to parallel the 12k's or are they serving separate loads?
These are 3 separate independent systems I am running. I bought the 12kw Growatt refurbished at a great price and when they had free freight. But the 12kw Growatt are not able to parallel but I can connect a EG4 charge controller to the bus bar and supplement the loads to run a 12.7 ton pool heater heat pump. I am using 12,000 watts of used solar panels and can only get 6500 watts output on each 12kw Growatt inverter. I produce far more than I can use but all the equipment is paid for through the savings on my electric bill. It’s free electricity at this point. Now the EG4 3000 watt inverter can be paralleled up to 12 units with each unit surging 50 amps for 5 seconds. That is a big deal when trying to start large loads. I am in the process of uploading a video of what can be done will these 2 EG4 3000 watt inverters in parallel. I think most will be very surprised at the ability of these 18lb inverters. These are not low frequency inverters like the Growatt 12kw inverters. Check out my video I will post in a few days and see why I got the 2-3000 watt EG4 inverters. In the meantime, check out my other videos on bifacial solar panels and on everything we are able to run with our off grid solar power system. Thanks for the question and we hope you have a truly wonderful and extremely blessed 2024.
Hello was wondering what busbars you have there and where did you purchase them. Great video BTW I have the same project in mind. Thanks!!
Bought the busbars on Amazon. Around $18-$24 a pair. Just search for solar busbar. Several different brands but they hold up to the high amps going through the battery. Thank you for liking the video. I am just an average guy with no practical education in this area and was able to watch videos and read about it to figure out. It is really easy now with the components they sell. The EG4 3000 is by far my favorite inverter after seeing what it can do and not needing freight service to have it delivered. Hope you enjoy watching my other videos. I share in videos what I think is useful to someone who knows nothing or not much about off grid solar. In the future will start getting more technical but keeping it very simple now and trying to answer a lot of questions that might come up with viewers in the videos. Hope you have a truly wonderful and extremely blessed 2024
Thank you!! I'm new to this and learning the same way through videos and forums. I've been looking for your video for a good while, it's exactly what I needed. 😊
@@wesdial1 I’m so glad the videos I am uploading can help you. Just take your time and figure out what you want to run and when picking components, think about being able to expand your system where you can add more solar panels and more inverters in parallel. These EG4 3000 watt inverters are great, you can expand up to 12 inverters in parallel to create 36,000 watts output. That is a huge amount of power. I am in the middle of connecting 4-EG4 inverters in parallel to get 12,000 watts output. My Growatt inverters barely put out half of that. Those EG4 batteries are also great for overnight use, I just received another 2-EG4 51.2 volt 100 ah 5120wh version 2 ULlisted server rack batteries. I will now have a total of 46kwh of server rack batteries to run my ac, pool pump, freezers, fridge, light, etc… overnight every night. If you decide to buy from Signature Solar, please click on my links in the video so I can get credit for the sale. That helps up buy more new stuff to connect, use, review and what our recommendations are to use that peroduct for. Thanks for your input, we appreciate it a lot. Hope you have a truly wonderful and extremely blessed 2024.
One more thing! Are those busbars rated 240, 400, etc amps? I'm not sure which ones to buy. I have the 2 eg4 3k inverters, not set up yet. Thanks again!!
I bought mini off Amazon, they are heavy duty and were around $25-$30 a pair. The bus bars are for high amps.
u have the 230v straight wired into the big mini split i didnt see a plug out outlet
I had a small breaker panel with a 30 amp breaker for the upstairs 3ton ac and a ac disconnect box outside next to ac. Thaw breaker panel had another 30 amp breaker for the garage 18000 btu mini split in garage and also 2-15 amp breakers for 2 separate 120 volt outlet boxes. Now I have 4-3000 watt inverters going into large breaker box to run a lot of mini splits, 3 1/2 & 4 ton ac along with pool pump, pool heater, freezers, fridge and a lot more. Check out that video, close to getting 12,000 watts output all at once. Tweaking my solar panel arrays to make that happen.
@diy-solar-guy I absolutely love it ive been watching your videos all weekend over and over I think I'm actually watching that video right now or the one where you show us the wiring which I really appreciate
@@diysolaradventures7894 glad you are enjoying the videos. A friend of mine was watching my videos at 3 am one night and his wife woke up and saw him watching tv, walking around to see what he was watching, she said “ you are watching solar porn again”. She calls watching off grid solar videos in the middle of night solar porn, LOL. These EG4 inverters are amazing. Getting 2 more for my motor home to run mini split I installed and the rooftop unit. Thanks for watching. Will be doing a video soon on solar panel performance in different array wiring configurations. Really interesting how much you can be loosing out on if not wired to maximize input.
@@diy-solar-guy I have two identical 24 volt 3000 watt solar inverter Chargers that I'm running but I guess they can't be used in parallel
@@diysolaradventures7894 I went through that with some inverters. That’s what I like about the EG4 inverters, can parallel to expand your solar off grid system in the future.
Beefy setup, deserved a bit more cable maintenance I think
Thanks for your input. We appreciate it. System runs flawlessly. I have 3 separate independent off grid system in a small area and it is a lot of wires. All the wires stay cool to the touch and we keep our garage around 62-65 degrees while running inverters during the day from 7am-7pm. I need to replace my used solar panels with new bifacial solar panels . On your home for the grid all the wires from electrical distribution panel are behind the wall but on an off grid system that you want to be able to take with down the road if you ever sell and move, your wiring is outside the wall. Everything you want to run has to have a separate wire running to it. I have 3 separate independent electrical outlets that our in back yard up to 100 feet away from inverter. Then I have separate wires that run to a3 1/2 ton, 4 ton heat pump, a 12.7 ton pool heater, a 1 1/2 ton pool heater a 2-1 ton mini splits as well as my pool heat pump. Then there are 2 mini splits up stairs and 2 mini splits down stairs as well as the 18,000 btu mini split in the garage. If I move to a house completely off grid, I have enough to supply entire house. But when you set up off grid, you have a lot of wires. Connecting to grid is very few wires but they charge you a lot more here to connect to the grid. If I supplied 100 percent of me electric and did not use any grid power, my bill would still be almost $2,000 a year. And the bill keeps going up every year for using the same amount of electricity. You have to e to decide how to manage your wires according to your situation and how much you want to run. Making it work and making it look pretty are to different things. I’m not trying to look pretty in video, I’m trying to show how to use off grid and what you can run with it. I plan on moving down the road and will take off grid system with me and have made the least amount of holes in the wall so I can restore wall back to original shape when removing entire system. We plan on moving to a smaller home that is half the size of current home. Thanks again for your input and hope you have a truly wonderful and extremely blessed 2024.
Why do you have the perspective that the dual EG4’s can not start your 3-1/2 ton or 4 ton AC if you have a soft start on them? My 4 ton heat pump with a soft start is only pulling about 2500 watts (with the blower) on 1st stage and only about 3000 watts on the 2nd stage. I have an Emporia Vue CT on the AC and don’t see any big surge on amps at startup. Given the EG4’s can handle about twice the wattage for 5 seconds, it should not trip them. I only have one 3k inverter so I can not try it out on my AC.
The surge on the EG4 will not start the 3 1/2 ton according to the reps at signature solar even with a soft start. I have 2 - 12kw Growatt off grid low frequency inverters. They are independent systems, not in parallel and those are the only inverters that have been able to start 3 1/2 ton. These high frequency do not have a large coil in them like the low frequency inverters and just can’t take the surge. I tried 6 different high frequency and they are no good for starting up 3 1/2 ton heat pump. These high frequency are not designed to handle that large of a surge even with a soft start. Let me know if you find anyone out there able to start a 3 1/2 ton heat pump with a high frequency inverter. The inrush amps on my 3 1/2 ton before soft start was around 78 amps, after soft start, it is around 20-24 amps. 20 amp at 230 volts is around 4600 watts. I don’t need to try with these EG4 3000 watt inverters, I know enough through actual experience that they are just not designed to start up that load , in fact the 6000 watt EG4 can’t start it as well but the 12,000 EG4 that can have 18,000 watts connected is suppose to be able to start up a 3 1/2 ton ac. That 12 kw EG4 is over $5000 and my growatt 12kw is half the price and can start 3 1/2 ton and then the 4 ton heat pump and run both at the same time. Hope this helps. You need that low frequency inverter with big coil to start 3 1/2 ton. That 12 kw Growatt inverter weighs 186 lbs because if that coil inside. A beast to mount on wall. Hope you have a truly wonderful and extremely blessed 2024
A 4 ton AC with a soft starter will still pull 30+ amps on startup. I think two of those would be able to start it.
@niktak1114 you can try but you need that big coil in the inverter to be able to start up. Those EG4 inverters only weigh 22 lbs each. One 12 kw low frequency growatt inverter weighs 186 lbs. try all you want but you won’t be able to start with a high frequency inverter. Call signature solar and ask the technicians if you can do it and have them explain why it is not possible.
@@diy-solar-guy The technicians are wrong. Those inverters can do 6kW each for 5 seconds and even higher for shorter durations. A 4 ton heat pump with a soft starter will only pull 8-10kW at startup typically which two of them should handle.
@niktak1114 my 4 ton carrier heat pump has an inrush of 109 amps at start up and with a soft start dropped the inrush amps to about 40 amps. Please let me know if you find anyone able to use 2 high frequency inverters to start their 4 ton heat pump. I want to see this but so far have not seen anyone able to start with high frequency inverters. Just don’t have the big enough coil inside to start the load and that is what you need is a big coil to handle the load. If you find a video with someone able to do this, please forward to me, I would love to believe it is possible. Thanks for your response. Hope you have a truly wonderful and blessed 2024
What is your 12&13 settings?
46 volts for setting 12 and full for setting 13.
Don't you have a lot of standby waste with all of these inverters?
I always have all the power I need. I over produce in case one inverter goes down but it’s all paid for and now free electricity so I’m happy.
Hello, please are you located in Florida?
@@olaade2109 No, I am in Arizona.
@@diy-solar-guy I need to do something very similar and I need an experienced master electrician. Thanks!
@olaade2109 if you get a lot of clouds out there in the area of Florida you live in, you need to take that into consideration. Cloudy days and rainy days will be hard to produce power. If you build a system you might want to look at mono solar panels that do well in those two conditions. Solar input when cloudy or raining can drop significantly to where you might only have 20 percent input or less. In Arizona, we have over 320 days of full sunshine and very little rain, especially in Phoenix because of the heat island effect from very little trees or grass and mostly buildings, roads, houses and vehicles adding to heat keeping the clouds from being over the whole Phoenix area. It pushes clouds around the city rather than the clouds moving over the city. Hope you have a blessed day
@@diy-solar-guy I have good sunlight here. But I do have a few questions I will need your expertise on. I don't know if there's anyway you can share your email so I can share some pictures with you. Anyway, here is what I plan on doing. I want to install/connect a battery backup for my an existing Enphase solar system. I have two batteries. One of the batteries is an all-in-one 10kWh with inbuilt 5KW inverter (120V) and the other is a 10kWh battery, but I also a separate 5KW inverter (120V). The batteries will be paralleled as well as the inverters. I also have an IQ System Controller and a Combiner box. I understand the parallel connection piece of the installation, however, I need guidance on what to do with the System Controller and the Combiner box. I'm happy to share my number if you don't mind giving me a call. Thanks for the anticipated assistance!
@olaade2109 I have no experience with emphases solar system components or the other equipment you stated in the message. I am willing to help but not sure if I will be any help at all. You might want to try CZcams videos to see if there is a video about what you are trying to do, there might be videos on your enphase solar system with How to add battery backup or call the seller or manufacturer of the equipment you have. I call the sellers and manufacturers here and there for my equipment to talk to technicians that have actual expertise in the equipment I bought. I would not know where to begin with equipment I never saw before. Try those ideas first and hope you get the answers you are looking for. Hope you have a blessed night.