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Is anyone using MIN TL XH US V3 with ATS-US?

If this is your model number you have a version 2. I’m pretty sure you sent me a photo at some point,may be misremembering though.
 

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Actually, the data sheet does not list versions.
Correction, the data sheet does state the differnce between V2 and V3 inverter, in the output data section, see attached screen shot, missed it on my phone earlier.
 

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Correction, the data sheet does state the differnce between V2 and V3 inverter, in the output data section, see attached screen shot, missed it on my phone earlier.
I hadn't seen that. Thanks. I do believe I have a v2
 
Sorry I didn't realize there would be so much activity on this thread.
I don't think we can fault signature solar for this one if growatt did not communicate to anyone that there have been changes to the inverters. As much as I love my growatt inverter their documentation has been abysmal to put it mildly.

@saenns does your inverter have these backup outputs labeled?View attachment 201971

Yes it has backup outputs and they are connected to my ATS.

Hi! It looks like you're already connected with tech support but if you have any other questions or concerns, please don't hesitate to reach out to me!

Yes, thank you for asking in @SignatureSolarJess . They say they can't send me a V2 inverter because they only have V3. But they did offer a refund which is a good start. Are you able to help at all getting a V2?


The documentation is actually available on the Growatt website. Also on the Growatt utube channel. Yes, it is lacking a lot in detail, but anyone selling the stuff should provide the documentation that is actually available - in this case SS is not. There are other sellers who do.
@MajicDiver can you refer me to sellers who offer v2?
 
@MajicDiver can you refer me to sellers who offer v2?
I have two V2 inverters. I can give you 3 recommendations for where to buy.
1). One I bought from Renvu in April, 2023. I have had good pre-sale technical support from Renvu over the years and several of my batteries came from them. In one instance I had an issue with understanding how to do something on one of my batteries and they got the correct Growatt person involved who educated me. Drawbacks are prices are higher than most anyone else and their shipping seems to also be higher. Renvu does not stock Growatt products but drop ships directly from the Growatt warehouse in LA area. Everything I purchased was drop shipped- I like that, there is lots of risk in a 3rd party handling equipment when it can be drop shipped from the manufacture warehouse in US.
2) I purchased my 2nd V2 from San Tan in June of 2023, along with a 9.9kW battery. I’ve also had good experience with pre-sale technical support from San Tan. As of last summer, they could sell any Growatt product, regardless of wether it was listed on the San tan website or not. San Tan price and shipping was reasonable and at the time they were beating on price everyone I found selling Growatt stuff.
3) I have had very recent very positive experience with Self2solar. I have purchased what should be my last two batteries from them. They have at least one person who is extremely knowledgeable on Growatt products and very fast with responses to technical questions. They appear to be beating everyone on Growatt battery prices - I have not compared their inverter prices though - they are on their website. They also sell all Growatt products and do stock some but primarily drop ship from the Growatt warehouse in LA area.

I have not seen better pre-sale technical support than what I’ve gotten from Self2solar, the individual I dealt with was very knowledgeable.
With signature solar, they seem to have a persistent culture problem, over the past almost 4 years I’ve had at least 6-7 incredibly ridiculous pre-sales and after sales technical support interactions with them - I’ve never had a successful technical interaction with SS. The culture problem is they they all seem to feel the need to make something up if they are asked a question they do not know an answer to. Eventually I intend to do a series of reviews documenting s this interactions. It’s sad because they have potential- just need to fix the tech support issues.
 
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