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diy solar

diy solar

Have you had a Sol-Ark Failure?

I think 6 sigma is a process itself more than a quality level, and that quality level might be expected of a component or a process step like SMT.
I don't think it is an expected quality level for a complete assembly like this inverter.

The airline industry is one that would respectfully disagree with you. :) As a former Blackbelt I can assure you that completed assemblies can and do strive for 6s. It's all in the data gathering and measurement systems. Toyota is another great example of a company that took the learnings from 6s and they LIVE them in everything they do in the manufacturing process - and their reputation for great quality is reflected by that philosophy. For what it is worth there are also "transactional" 6s efforts too. Microsoft has a famous use case for servers and software.

Thanks for the trip down memory lane. It's been years since I've read DPMO, FMEA, Kaizen, DMAIC, R-CA, CTQ, Pareto, DoE, DFSS, etc. in anything other than a 6s book or article.
 
I’ve always read the same @Lt.Dan. Anyone have additional input on the 8k, can these be paralleled?
Another interested in this answer. I helped my buddy install one of the 1st 8K units and have been interested in them ever since.
 
In 3-phase config, but sure can also be paralleled. No probs. as per the manual.
Must have the exact same firmware though in both cases.
Are you using the Latin-America model, 8K-2P-L?
 
I’ve always read the same @Lt.Dan. Anyone have additional input on the 8k, can these be paralleled?

I got 3. There are no issues.
Unless Sol Ark has disabled it on the 8kw models, something I find not very probable.
Deyes manual also show all schemas and setup for paralleling.
 
I was talking with @HighTechLab about it, and he reached out to Sol-Ark because there is a lot of conflicting info about it. We have confirmation from them, the 8k-2p is not available with Parallel support, but the Latin-America model does, hence why he asked above ^.

TLDR; The US models are confirmed not parallelable.
 
Two 12K’s totally off grid 17mo, 17MWH end of year one. Very happy with them.

Dongle-1ea DOA. SolArk replaced. Only connected for update.

F18 fault intermittently when starting DeWalt circular saw. Fix- I run power through a 2000W hospital ups from 12K’s then to saw.

F18 fault intermittently when starting upright vacuum. Very infrequently, so no fix.

F18/F20/F41 after lightning struck 300’ north last week. Started back up 2 minutes later. Zero of 12 SPD’s failed. “PV Overcurrent” - possibly from induction in the 8 strings.
 
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Two 12K’s totally off grid 17mo, 17MWH end of year one. Very happy with them.

Dongle-1ea DOA. SolArk replaced. Only connected for update.

F18 fault intermittently when starting DeWalt circular saw. Fix- I run power through a 2000W hospital ups from 12K’s then to saw.

F18 fault intermittently when starting upright vacuum. Very infrequently, so no fix.

F18/F20/F41 after lightning struck 300’ north last week. Started back up 2 minutes later. Zero of 12 SPD’s failed.
Definitely sounds like a HF inverter. This is why I’m choosing Victron
 
If you want it inspected then Victron won’t work.
If true (or you did you mean unable to be inspect to feed to grid) that tells me they are only a moneymaking organization with the goal of slowing/preventing people from having energy independence. In any case my place is 100% off grid since 1993, 1/2mi from the grid and never had any of the rubber stamp brigade out to “bless” anything
 
If true (or you did you mean unable to be inspect to feed to grid) that tells me they are only a moneymaking organization with the goal of slowing/preventing people from having energy independence. In any case my place is 100% off grid since 1993, 1/2mi from the grid and never had any of the rubber stamp brigade out to “bless” anything
It’s not UL listed therefore cannot pass inspection in NC.

Your choice. Good luck with insurance company.
 
It’s not UL listed therefore cannot pass inspection in NC.

Your choice. Good luck with insurance company.
Haven’t had homeowners insurance since we built the place in the 1990s. You do know what they say about assumptions right? ? Appreciate the concern and heads up however, your points are definitely a concern for many and good to point out.
 
The new 48V Victron Multiplus II is being UL tested but is not yet available.
The 48v/3000va Multi-2 has a UL version that is out and available tested to UL 1741 std. Still doesn't pass in areas requiring UL9540 though, because it has not been tested as an ESS w/ battery.
 
Haven’t had homeowners insurance since we built the place in the 1990s. You do know what they say about assumptions right? ? Appreciate the concern and heads up however, your points are definitely a concern for many and good to point out.
I will never understand why people don’t carry homeowners.
All it takes is one accident and house is gone.

It’s not like 30 -40 years ago when building supplies were plentiful and cheap.

Are you are planning on rebuilding it yourself with cash?

A contractor will based rebuild on current market which isn’t cheap.

It’s your risk obviously but I wouldn’t leave my retirement home up to chance.
 
Two 12K’s totally off grid 17mo, 17MWH end of year one. Very happy with them.

Dongle-1ea DOA. SolArk replaced. Only connected for update.

F18 fault intermittently when starting DeWalt circular saw. Fix- I run power through a 2000W hospital ups from 12K’s then to saw.

F18 fault intermittently when starting upright vacuum. Very infrequently, so no fix.

F18/F20/F41 after lightning struck 300’ north last week. Started back up 2 minutes later. Zero of 12 SPD’s failed.
These types of issues seem to be fixed in the 15k. I wonder what exactly fixed it.
 
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I will never understand why people don’t carry homeowners.
All it takes is one accident and house is gone.
It's what people did for hundreds and thousands of years before modern slavery (debt culture) became a thing.
It’s not like 30 -40 years ago when building supplies were plentiful and cheap.
We have a sawmill so much of the cost is eliminated.
Are you are planning on rebuilding it yourself with cash?
Yes
A contractor will based rebuild on current market which isn’t cheap.
Generously speaking there is maybe 1 in 1000 contractors out there I would trust. Why pay more for shoddy workmanship when you can do it right yourself.
It’s your risk obviously but I wouldn’t leave my retirement home up to chance.
Indeed for now at least we all have a choice.
 
It's what people did for hundreds and thousands of years before modern slavery (debt culture) became a thing.
When houses didn’t cost what they did now and replacement cost weren’t 100x the original building cost.

If you want To rebuild a home well into your retirement from scratch that’s on you.

Because you have some wood is not the major % of the home unless you live in a cabin with zero amenities.

Not to mention all the solar, wiring, piping and other miscellaneous requirements required for a home.

All to not spend $100 a month or less for insurance.
 

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