diy solar

diy solar

Recent content by TexasSun

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    Growatt 12000t dvm-mpv: neutral bond?

    That is a good question! That is the model my friend told me. I specifically asked if the model # has a -US in it, and he said no. BUT... here is the manual: https://us.growatt.com/upload/file/SPF_4000-12000_DVM-MPV_User_Manual_EN_202212.pdf Looking at it, page 2, it shows both 120 and...
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    Growatt 12000t dvm-mpv: neutral bond?

    Good idea. I've not had my hands on it yet, but will check impedance when I do. I don't know about EU model, but from what I'm reading, this is the version sold in Europe.
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    Growatt 12000t dvm-mpv: neutral bond?

    I'm helping a friend with his setup. He got this inverter from Growatt, which only has 240v-ac output, no neutral wire. He wants to get both 240v-ac and two 120v-ac legs from it. My question is if this unit has a bond between one of the hot legs and ground? Growatt units made for the US do...
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    Growatt MIN series battery requirements

    From what I was able to find, it looks like they only work with Growatt batteries. Well, at least that is all that is officially 'supported'. It may be possible to trick it to work with others but I did not find anyone who has tried it.
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    Another recommendation needed

    Thanks SolarPrep. I'll contact him & see what is coming. (edit, I can't find that login, "The Colorist"... ?) Came across another option: Huawei SUN2000-7.5KTL-USL0 Anyone with experience with these? I'm seeing them on ebay, not sure if there are actual distributors. I've dug a little...
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    Another recommendation needed

    Not worried about heat. In fact this fellow just ordered a wood-burning stove. And I tell everyone that solar is a horrible solution for heat or cooking. Fan/lights/fridge/well are what solar is great for running. And no natural gas is available (out in countryside). And I can confirm that...
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    AC coupled recommendation?

    Thank you for all for the additional ideas. SolarPrep, I tried contacting Huayu, and have not gotten a response from their US rep. I asked who are their distributors in the US. Do you know who to contact? The Sol-ark 5k is quite appealing. But it's limitation is the AC coupling capacity...
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    Growatt MIN series battery requirements

    I asked this as a side topic on another thread, but I thought it was meaningful enough to put here for future readers to find this topic. I am looking at the Growatt MIN series inverters to recommend for friends. The specs and pricing is fantastic. The 11.4kW version is under $1500. It has...
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    Another recommendation needed

    Well it just gets more and more interesting... Heard back. I'm told that the MIN series from Growatt only works with Growatt's batteries, the ARO series. They run $6600 for 10kW-hrs of storage... definitely on the expensive side. Anyone know if these work with other batteries, ideally DIY...
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    Another recommendation needed

    I found an interesting option, the Growatt MIN 7600 TL-XH-US (in the family, multiple sizes available from 3kW to 11.4kW). Very interesting. I like the specs on it... running two of these interconnected will give all the power required. And each unit is under $1500, add a few hundred for an...
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    Another recommendation needed

    There is a requirement for UL in this location, no question about it. I don't see where the Victron system has any real benefits. A short 2 year warranty, only 6kW inverter, and not UL tested/approved? Yikes, I'm running away from that. Compare that to Sol-Ark 12k, with a 10 year warranty...
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    Another recommendation needed

    Steve, Are you aware of systems failing because they were used this way? The unit that you suggested is a 120Vac unit, and it is designed to run in pairs to generate 240Vac (two 120V legs, 180degrees out of phase). In fact it appears that you can even take 3 units & generate 3 phase power...
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    Another recommendation needed

    Steve, I do like that option. The direct link to the inverter is https://watts247.com/product/lv6548-6-5kw-120v-solar-inverter-4kw-250v-mppt-bms-ul1741-built-in-wifi/ He needs a pair, 6.5kW @ 120v each, two give him 13kW @ 240v. $1600 each, so $3200. They do suck 80w at idle per unit, so...
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    Another recommendation needed

    He really doesn't use much. His house is all electric, and his monthly bill is about $100 (I saw the annual average). So call it $3.50 a day, or about 30-35kW per day. So even at 13 kW, he'll be over producing. However his son might put a place on the ranch, so that's what I think he's...
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    Another recommendation needed

    I thank the fellows who helped with the last configuration. But apparently all of my friends are thinking about solar, and another friend spent 2 hours talking to me about it yesterday. OK, currently he has nothing. He was going to spend $3500 just to install a 500 gallon propane tank to run...
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