9kW DIY Home Solar Panel System Installation

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9kW DIY Home Solar Panel System Installation - Start to Finish

Рет қаралды 616,521

Күн бұрын

I help my friend install a 9kW grid tie home solar panel system on the roof of his new pole barn work shop.
Need solar help and free quotes? Contact EnergyPal: energypal.com/...
Find More information for this project on my website: projectswithda...
Here is a parts list link: drive.google.c...
K2 Systems Racking: www.santansola...
Build a simple off grid array here: • Solar Panel Firewood R...
Watch my step by step 9kW ground array install here: • DIY 9kW Grid Tie Groun...
Watch my ground array expansion here: • Easy DIY Solar Panel S...
Watch my bifacial panel and new inverter install here: • DIY Home Solar Panel S...
DIY 120/240V 25kWh Home backup step by step: • DIY Split Phase Batter...
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Learn more about solar power and home backup on my website ProjectsWithDave.com: projectswithda...
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Check out my other projects: projectswithda...
Recommended sources for Bifacial and Discounted Solar Panels: projectswithda...
Solar & Off Grid Materials & Components: projectswithda...
Recommend Tools For Solar: projectswithda...
Learn how to do your own DIY Solar System: projectswithda...
Sources for LiFePO4 batteries: projectswithda...
Inverter Solutions: projectswithda...
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For great prices on used and clearance solar panels use SanTan Solar: www.santansola...
For large orders and pallet pricing fro SanTan, contact Alex (480-360-6203; or alexanderson@santansolar.com ) and mention EverydayDave for 5% off.
Best Value Source For Solar Panels and Batteries - Signature Solar: signaturesolar...
Quality & Service Source for Batteries and Inverters- Current Connected: www.currentcon...
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WANT TO GO SOLAR BUT DON'T KNOW WHERE TO START?
Solar doesn't make sense for everyone and I have found a great free resource that's on YOUR side. It's called EnergyPal, they will help you determine if solar is RIGHT FOR YOU and set you up with the lowest cost installation that meets your needs. If you follow my link to sign up you will get a $500 gift card when your install is complete! energypal.com/...
Or, Try Energy Sage - It's free: www.energysage...
I used Energy Sage to research solar and receive multiple competing quotes for my install.
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Using my affiliate links helps the channel at no cost to you! THANK YOU!!
Disclaimers:
This video is for information purposes only, and does not constitute professional advice. Solar systems can and do involve dangerous electrical connections. If you do not have experience with electrical wiring, please seek professional support.
Affiliate information and disclaimers:
Links in description may be affiliate links, we may get paid if you purchase something through one of these links. This helps out our channel at no extra cost to you. Thank You!
(As a SanTan Solar Affiliate I earn from qualifying purchases)
(As an Amazon Associate I earn from qualifying purchases.)
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Timestamps:
00:00 Intro
00:44 Racking Information
03:46 Racking Install
10:08 Optimizer Install
14:39 Solar Panel Install
16:06 EnergyPal Information
18:47 Kids Install Solar!
19:45 DC Junction Box
24:19 Inverter AC Connection
24:39 DC Connection Junction Box to Inverter
29:00 Final Solar Panel Install
29:36 Warning Labels
32:00 Inverter Startup

Пікірлер: 372

@SaltGrains_Fready 10 ай бұрын

This is the BEST presentation that shows the actual DIY installation & the hardware and every bit and piece of the system. TY to all who did the job.

@zyft02 3 күн бұрын

Those EJOT bolts are amazing. Just received mine. Genius!

@muhammadhafizan333 Ай бұрын

love every detail in the video . glad you include ur kid to join this project

@purelife9000 Жыл бұрын

I was recently quoted $47k for a system, so needless to say I'm here to learn how to DIY it! LoL Thanks for the solid instruction.

@ProjectsWithDave Жыл бұрын

You can do it!

@The_1n_only Күн бұрын

Always becareful of a DC Ark between your terminals😁👍🏻 stay safe out there

@kelank12 Жыл бұрын

This panel can put out close to 100 watts kzfaq.infoUgkxOqI2yqX0XVrhR2BMJciTWrHJpG8FhJyg when positioned in the appropriate southernly direction, tilted to the optimal angle for your latitude/date, and connected to a higher capacity device than a 500. The built in kickstand angle is a fixed at 50 degrees. Up to 20% more power can be output by selecting the actual date and latitude optimal angle.The 500 will only input 3.5A maximum at 18 volts for 63 watts. Some of the excess power from the panel can be fed into a USB battery bank, charged directly from the panel while also charging a 500. This will allow you to harvest as much as 63 + 15 = 78 watts.If this panel is used to charge a larger device, such as the power station, then its full output potential can be realized.

@wb3603 Жыл бұрын

I have been watching a lot of Solar install videos and yours is by far the best and most detailed complete install video I have seen, thanks.

@evil17 Жыл бұрын

Looks like a very nice & clean install, I had 10kw of solar installed with 2 x 5 kw inverters to cover a Skillion roof over our main kitchen, dining & family area and get about 65kw/day presently in sunny Queensland, Australia, a huge bonus for us is that it shades this roof area and has reduced the internal room temperature on hot days enormously and we can feel & see a 5C-7C temp change either side of our back door. Cheers

@ProjectsWithDave Жыл бұрын

That is one nice advantage of solar panels on the roof. They act as shade and reduce the solar load on the building. This has the added advantage of reducing AC power requirements. Thanks for giving some real world numbers for people to understand the impact.

@jmbkc1391 Жыл бұрын

Best solar videos on the web. Thanks for sharing your knowledge.

@ProjectsWithDave Жыл бұрын

Wow, thanks!

@johnb4717 Жыл бұрын

Excellent presentation, Dave. Concise, to the point, with a very clearly outlined installation procedure, so anyone with a reasonable level, of DIY competency, could achieve a similar outcome. It won't be the last video, of yours, I watch. Thanks.

@noelburke6224 Жыл бұрын

This is a diabolical Installations no respect for Heat and safety. If anyone is injured the insurance companies would not pay out.There should be guard rails on the roof and a scaffolding to work from.plus they are also required to wear safety harness

@polarkerr Жыл бұрын

great work, they should add holes on the rails so that the water doesn't accumulate

@berettaboi Жыл бұрын

i was thinking the same, particularly with the open overhangs left on the ends. i'm sure the plastic caps are not really a seal, but ideally a few small holes along the way would be beneficial i think. until leaves and crud clog them anyhow.

@michaelwilliams6784 Жыл бұрын

Excellent video. Appreciate your references to the code. Might add that the code requires a minimum of six inches of wire tail at junction boxes. Keep up the good work.👍

@fgbhrl4907 Жыл бұрын

Hey, I just wanted to say "Thank you" for your incredibly detailed videos. I'm going through a bit of "analysis paralysis" at the moment, but it's awesome seeing your different installs, and the reasoning behind why you used one product over the other.

@ProjectsWithDave Жыл бұрын

I can relate. When I was planning for my original install I was overwhelmed with all the options. At some point I decided to just move forward with something I was confident would work. Looking back, as you have seen in my videos, I could have done lots of things better, however, it was still worth it. To find the actual perfect solution would take more analysis than is practical. Good luck!

@Seeykulatahy 7 ай бұрын

The kids were my favourite part. ❤❤❤❤❤

@elien3491 Жыл бұрын

I'm beyond excited as I've been creating my own diy system and been binging your videos!

@user-ie4zr2ti2g 4 ай бұрын

A very nice illustration. I definitely learned a lot by your video. In the K2 is the way to go

@martinlodewick597 9 ай бұрын

I really needed to hear this thank you Lord for this teaching

@ivannightly1919 2 ай бұрын

a ladder lift is the better way you can even make your own, great job guys

@ProjectsWithDave 2 ай бұрын

A lift would be nice...

@awadelhussien1835 5 ай бұрын

Simple, complete and clear, much appreciated

@sonnymoon9721 Жыл бұрын

Dave you are one of the best youtubers I ever watched since it began ! Thanks so much !

@ProjectsWithDave Жыл бұрын

Wow, thanks!

@PatagonianDuck Жыл бұрын

Thank you very much for including a detailed parts list! Looks like 10k for key compoments + a couple thousand for quality tools and extras like conduit. I need a 9kw system on my shingle roof in Arizona. Thanks again.

@ProjectsWithDave Жыл бұрын

Glad it was helpful!

@PatagonianDuck Жыл бұрын

@@ProjectsWithDave I am having my asphalt shingle, vented roof replaced. Is there anything I can ask the roofers to do to make my DIY solar install easier after they are done? Thanks

@ProjectsWithDave Жыл бұрын

I don't have any tips at this time. Maybe someone else has a suggestion for you.

@readyplayer2 11 ай бұрын

@@PatagonianDuckYou might consider relocating vents / penetrations if that helps maximize your roof area available for panels.

@joanliu7704 10 ай бұрын

hi dear friend, we are solar panels system factory, may i have your email or whatsapp please? More details will be sent accordingly.

@beverlysteen Жыл бұрын

I love the racking system, it looks very easy to use.

@ProjectsWithDave Жыл бұрын

I've used it on multiple installs now and I like it a lot. The components are interchangeable and well thought out.

@PJPerron_me 5 ай бұрын

Wow, that's a lot of roof. Love it.🙃🙃

@mbalongchannel3409 13 күн бұрын

I like videos like this, let me join in learning, thank you and greetings from Indonesia

@ProjectsWithDave 13 күн бұрын

Thanks for watching!

@zmarko Жыл бұрын

Another awesome video Dave. You make it look so easy.

@miroslavmitic4072 7 ай бұрын

Amaizing presentation. Thank you.

@user-wc1lf2rc7w Жыл бұрын

such a detailed video . Hats off

@julious3603 Жыл бұрын

Pretty awesome video! Congrats to your kids!!!! Good job!

@gustavmorata 7 ай бұрын

Great insight shared; however, it's crucial to emphasize the importance of safety measures by ensuring that children are not allowed access to the roof or top, fostering a secure environment for everyone involved.

@ketolomics 6 ай бұрын

But you do have to admit that the savings kids can give you on project costs are CRAZY. 💵💵 For a couple of candy bars they'll work all day! If you let them use the power tools, you can even skip the pop tarts! Harness 'em up and turn 'em loose! *Note to the Secretary of the US Dept of Labor: No child labor was used in the composition of this parody. 😊

@Elemblue2 4 ай бұрын

Rock solid video. Title was not a lie.

@lars949 Жыл бұрын

the 120% rule is about the busbar in the panel, which for most 200A load centers is rated for 225A.

@ProjectsWithDave Жыл бұрын

Thankyou for adding that clarification.

@johnphillips7824 11 ай бұрын

Nice job dave thanks for sharing

@cyprusglare333 6 ай бұрын

You even stand like Crispin Glover in Back to the future!

@fast_eddie3441 Жыл бұрын

Best tutorial I've seen so far. Well done!

@mbalongchannel3409 13 күн бұрын

Ya betul sekali , penjelasan ya sangat jelas, saya suka sekali dengan penjelasannya

@Keifsanderson Жыл бұрын

This was a really nice video. Loved all the details.

@ProjectsWithDave Жыл бұрын

Glad you enjoyed it!

@ookinekko Жыл бұрын

Awesome video!! You regularly exceed my expectations!! 👍

@chucktrotter9699 Жыл бұрын

1.13.23 Very good Dave. Thanks you for making this video.

@Susan65334 Жыл бұрын

Thank you Maypower2029- great work . I have seen the same saving over the past few months we have had solar panels on our roof which you helped me install when i was recommended by you on the comment section (43 panels). Last year we had $300 in electricity bills - that's it! Maypower2029 is great!

@wills2262 Жыл бұрын

Really well done how too thanks for putting this out there!

@ProjectsWithDave Жыл бұрын

Glad you enjoyed it!

@arthurcurry850 4 ай бұрын

You cant make loops with wires if you want maximal efficiency. They heat up due to induction. We had to rewire 400 panels due to same exact installation. In case something catches fire or melts you will not be able to cash the warranty. And warranty is 20 years on some plants. So be very careful not to loop any wires. It will be major pain in the ass in case something goes wrong.

@ToAshes87 Жыл бұрын

beautiful system beautiful setup. Great explanation and please keep up the good work!!!!

@ronsbeerreviewstools4361 10 ай бұрын

Thanks for posting.

@Swenser Жыл бұрын

Just use 6x L bracket for each panel screwed onto roof. Done. Easy, cheap, quick.

@RedandAprilOff-Grid Жыл бұрын

Nice set-up! San Tan is awesome, that's where we got our panels and mounting rack.

@donjoshuasantos5843 Жыл бұрын

Very detailed video, thank you for sharing your god given knowledge brother, more projects to come 🙏

@ProjectsWithDave Жыл бұрын

Thanks!

@justinfowler2857 5 ай бұрын

The part you forgot was to get a utility inspection. You cannot activate grid tie solar without the utiliy's permission. Other than that, this is the best explanation I've ever seen for grid tie solar installation.

@ProjectsWithDave 5 ай бұрын

Thanks for pointing that out. We had the utility inspection and approval, it just wasn't included in the video.

@jamessalter7699 Жыл бұрын

Great Project. Great Stuff Dave

@johnnydas6542 Жыл бұрын

How does that many 400w panels produce only 800w? What am i missing? Even if sun is low, that doesn't make any sense 🤔

@aloksharma8117 Жыл бұрын

BTW professionally made, very helpful videos and intruction and thanks for that!

@ProjectsWithDave Жыл бұрын

Glad it was helpful!

@sreekumarUSA 2 ай бұрын

0606’24/1901h 🇺🇸 Roof assembly of PV panels looks neat and tidy. Thank you. Terminating cables could use ferrules thus avoiding Copper strands spreading and or injuring (breaking off) from the contact. Use of synthetic grease at all joints highly advised, avoiding future formation of Cu sulfation at the outdoor moisture areas.

@ProjectsWithDave 2 ай бұрын

Thanks, I have started using ferrules on all my connections. They do greatly improve the connection integrity.

@SJTCB 5 ай бұрын

I find it hilarious that the professional was the only person wearing the proper FALL protection. Kids were up there on the pitch of the roof with nothing but tennis shoes and play clothes. I think that you should stress safety first when doing a job. I enjoyed the video. Accidents happen in a split second.

@juanumana2753 11 ай бұрын

Super Clean Installation

@ProjectsWithDave 11 ай бұрын

Thank you

@muchmuchmore Жыл бұрын

Great content as usual. Thanks for sharing.

@ProjectsWithDave Жыл бұрын

Thanks for watching!

@rufaelphilipos3194 Жыл бұрын

It is a great! Thank you.

@ssoffshore5111 Жыл бұрын

Dave, this felt more like a K2 infomertial, 🤣

@ProjectsWithDave Жыл бұрын

Well, the intention was to focus on how to install on a roof. Also, K2 was kind enough to send support to make sure I was able to give you the best information possible. Hopefully it was still helpful for everyone. Thanks for the feedback.

@passerau 3 ай бұрын

This was perfect for us, K2 solar students 😂😂😅😅😅😂🤣

@jwrhynejr.6689 Жыл бұрын

Great video instruction on racking & panel mounting for DIY!! MANY THANKS FOR YOUR VIDEOS!

@ProjectsWithDave Жыл бұрын

Glad it was helpful!

@lne176 Жыл бұрын

What jumps out is a very common costly mistake - butting up two rows of panels flush. Looks neat, but it's simply......wrong! Even in Ohio, it gets fairly toasty in the summer, solar panels don't like heat, so ventilation is paramount. Leave a two inch gap for ventilation and get another 5% free output, extend the life of the panels to boot.

@ProjectsWithDave Жыл бұрын

I'm sure a wider gap between rows would be helpful in this configuration and would have been easy to apply. However, I'm thinking that would complicate snow shedding. The snow would start to fill the gap and back up on the top row, possibly causing some structural loading issues.

@markjackson6829 Жыл бұрын

A couple of suggestions, especially for the diy'er and maintenance of the system. Especially with SanTan Solar panels and equipment, which are generally not manufacturer warranted, but with only a one year SanTan warranty. Is One, to go with one less panel per string giving more room on the sides, and Two, giving at least 18" between each horizontal string so you don't have to disassemble as much when components fail, much easier maintenance. With a dark metal roof, questionable solar panels and optimizers, all these will cook in the summer! I will be very surprised if you don't have at least ten failures over the next ten years. You should make it so you can just Easily and Safely get to that one panel or component/ optimizer and replace it yourself, without disassembling most of the system, in some cases, to diagnose and or repair!?

@ProjectsWithDave Жыл бұрын

Thanks for your suggestions.

@berettaboi Жыл бұрын

interestingly enough, a (especially shiny, not matte/dull finish) black metal roof actually expels heat better than an asphalt roof, but yes, there could be more "heat soak", and a of a loss in production/efficiency from the panels due to that, it will be better than an asphalt shingle roof which absorbs, holds and convects, provided the air flow around the panels is maintained.

@diySolarPowerFunWithRay Жыл бұрын

Awesome. It looks like that main disconnect turns off the house and also the shop. Some might think that's overkill but in the end it will disconnect the PV power supply which is what the inspector is looking for. I might do the same setup for my shop pv system. Minus the optimizers is what I'm leaning towards right now.

@nickk05281982 4 ай бұрын

20% rule is to prevent maximum load it goes both ways. 200amp panel max is 160 both generation or use

@conchitavillaflor2015 Жыл бұрын

Anazing vedeo to do install solar Amazing I loved it thanks

@caleido36 Ай бұрын

amazing video by the way!

@SomeRandomOldGuy Жыл бұрын

Thanks for another great video.

@mattwoody1089 3 ай бұрын

Great video

@ProjectsWithDave 3 ай бұрын

Thanks!

@adeniyisaidi 3 ай бұрын

Nice presentation

@paulwilliams9527 3 ай бұрын

Pull #10 insulated green ground wire in your 1” pvc for a cleaner installation

@archclient Ай бұрын

Nice setup Dave. Now I worry about my wires sagging under the panels.

@ProjectsWithDave Ай бұрын

Thanks! Sagging is probably the biggest concern in climates where there is snow that could snag the wires when it slides down the roof. Otherwise, the risk is, having the wire wear through the insulation and short against the roof at some point.

@papaveepv390 Жыл бұрын

Thank you Dave for the detail installation of the panels for DYI, I don't recommend anyone scanning the Energy Pal Code unless you want to be over charge with a design for your home?

@ProjectsWithDave Жыл бұрын

Please give some detail on your experience with EnergyPal. All the customers I talked to have had a positive experience. I only want to recommend high value resources for people. Thanks!

@WiSeNhEiMeR-1369 Жыл бұрын

HOWdy P-w-E-D-D, ... Thanks for Sharing COOP the WiSeNhEiMeR from Richmond, INDIANA ...

@cyumadbrosummit3534 4 ай бұрын

Unistrut, Amazon clamps and spool of wire and you could save about 70 percent of your cost on this install.

@jjyemg2397 Жыл бұрын

Love the mold on the north side of your house

@maddog.mcewan Жыл бұрын

well well explained and worth watching !!!!

@user-xe7bw4gq1f 2 ай бұрын

Very good!

@ProjectsWithDave 2 ай бұрын

Thanks!

@markyates5744 Жыл бұрын

Great vid. But one thing that makes no sense to me. Why on earth bother with optimisers? A single string inverter at $600 is all you need. Optimisers only needed if severe shading >20 degrees from horizon. Why bother with 20 or so $100 optimisers?!

@ProjectsWithDave Жыл бұрын

To meet code, you have to have module level shutdown for roof mounted systems anyway. In this case there is shading and significant difference in panel to panel performance since they are used panels. The small increase in cost to go from shutdown modules to optimizers is worth it in this case.

@ThaCertified_Hustla-xh8rh 2 ай бұрын

This is Straight legit 👌

@martinc6273 Жыл бұрын

Awesome video Dave! Relatively short and concise. You guys make it look super easy. Used Iron Ridge previously but will look into the K2 system on the next install. Curious, how long did it take to install from start to finish?

@ProjectsWithDave Жыл бұрын

Thanks! It's not an accurate assessment because it takes significantly more time to video every step. We installed all the racking and optimizers on the first day, all the solar panels on the next day, then it took about a day to do the inverter, wiring and final panels.

@minutemanprep Жыл бұрын

Awesome video. Very informative and helpful.

@josenunez5267 9 ай бұрын

he lost me with the string lol 😂

@shoobidyboop8634 Жыл бұрын

It'd be cool if your friend was named Every Other Day Dave.

@paulhasty8388 6 ай бұрын

The only thing I don't like about that system is using one inverter, if one of the panels goes down or the inverter goes down for some reason you've lost the whole system! On our system we have 32 365 watt panels and 16 mini Chilicon CP720 inverter's that each inveretr is connected to 2 panels so if any one of the panels goes down or one of the inverters goes down we don't loose the whole system we are still operating ! It seems that a lot of people are doing it your way and I think that's bad because it leaves the systen vulnerable !

@ProjectsWithDave 6 ай бұрын

Vulnerability of the system is not a huge deal for a grid tie system. I installed a micro inverter system on my shed, you can see it here: kzfaq.info/get/bejne/j55_etuVr5_HhWw.html

@cmarabella 6 ай бұрын

thanks a lot

@ProjectsWithDave 6 ай бұрын

Happy to help

@scrappydogfinance8434 Жыл бұрын

EXCUSE ME, WHY DID YOU KEEP REFERRING TO THE HOME RUN WIRES (RED AND BLACK TO THE JUNCTION BOX) AS POSITIVE AND NEGATIVE LEADS? I THOUGHT THAT THE INVERTERS PRODUCED AN AC VOLTAGE/CURRENT OUTPUT WITH 60HZ FREQUENCY... SHOULDN'T YOU BE REFERRING TO THOSE TO LEADS AS HOT AND NEUTRAL?

@ProjectsWithDave Жыл бұрын

This system provides 400V DC from the roof to the inverter. The system holds the voltage to 1V/ panels until initialized by the inverter for safety.

@DavidNarh-w3d Ай бұрын

Mr Dave please can i join u guys I love you work

@user-pj5nf2iv1y 4 ай бұрын

but you have panels on top right? How come the water enters the rail trench and sinks the cable?

@yv7584 3 ай бұрын

the roof looks like it's pretty clear from tree shading. was the optimizer necessary?

@ProjectsWithDave 2 ай бұрын

There is shade in the morning and afternoon that creeps across the roof. Also the panels are used so the output varies quite a bit from panel to panel.

@kensjaastad1543 4 ай бұрын

Thanks!

@pompierke221 Жыл бұрын

clear installation details, what i cant understand is that in the beginning of the video you give safety-instructions about using a gear to work on a roof and then there are two kids on the roof without any protection. ont of them is stepping backward to the top of the roof without looking back and almost getting to the point of tripping over the nok

@WiSeNhEiMeR-1369 Жыл бұрын

Might I suggest adding FERRULES to your Stranded Wires / Cables in your junction BOX before clamping them into your DIN Rail connectors / terminals ? ...

@ProjectsWithDave Жыл бұрын

While not necessary, they do make for a nice clean connection. I've been using them more and more lately. I like to use them for anything 10 AWG and below. This is the set I'm using now: amzn.to/3Jr3Pe8

@naptranify 8 күн бұрын

would you connect the ground wire from the panel to the inverter that will get connected to ground wire in the main panel?

@ProjectsWithDave 8 күн бұрын

The inverter and the main panel are connected to the same ground rod.

@LarryRichelli Ай бұрын

Can someone let me know where to get the best deal on long rails for my DIY 7K roof system

@USA-GreedyMenOfNoIntegrity Жыл бұрын

It’s also better to put the screws, holding the sheet metal down on the flat part not the ridges. Your system looks good. Cut shade trees as needed.

@ProjectsWithDave Жыл бұрын

After running the system for a month we determined trimming one of the close trees towards the East would improved the production by about 10%. After cutting it down, we did see about that much improvement.

@berettaboi Жыл бұрын

not ideal to install screws (even with the proper seal) on the flat surface of a roof, unless you are going to use some flashing to divert water around it. metal roofing is installed using screws through the ridges to avoid a potential leak path, as water runs mainly between the ridges.

@suness_solar Жыл бұрын

You can add Suness Lithium battery, discount and 5 years warranty

@tjuanwashington4359 9 ай бұрын

I'm trying to figure out which wires to you for the back of the solar panel. Because there's wires that actually be sottering on those Pacific wires I'm looking for.

@tomstdenis Жыл бұрын

DIY + grid tie => you're going to have fun when your local utility forces you to demo your project at your expense.

@ProjectsWithDave Жыл бұрын

It's already inspected and approved by both the county and utility. I recommend working closely with both as you design and install your system to prevent any costly rework. There are some tips in this video and getting a permit: kzfaq.info/get/bejne/n9OZeLx1rbKrZHU.html

@silverbackag9790 Жыл бұрын

@@GregoryYoung14 cause Florida is New Jersey light.

@user-ts1vt6nl9i 10 күн бұрын

I was hoping to find a schematic on how many panels to wire together - to + and and how many in each line to combiner box

@ProjectsWithDave 9 күн бұрын

It depends on the inverter you are using. For instance, if your inverter has a MPPT with a voltage range of 100VDC to 500VDC you should target something in the 300-400VDC range. If your VOC on your solar panels is 34VDC, simply divide 400V/34V=11.7 panels. So if you string together 11 panels you will have a max voltage of 11x34=374V and that will work fine with that system.

@garybryan33 8 ай бұрын

Let me start by saying I am impressed with your dedication to answering comments. You have some great informative videos, thank you for sharing. Have you had any experience with snapNrack solar panel mounting system?

@ProjectsWithDave 8 ай бұрын

Thanks for the feedback! I have not tried the SnapNrack system. I see some pro's and cons at first glance. It could be cheaper since you don't have cross rails, although those mounts look very expensive. It looks challenging to set the second row of panels by wedging them under an already secured clamp, I'm not sure how well that would work without trying it. Probably my biggest issue with the system is the lack of flexibility to change the panels later. With a rail system if you upgrade the panels later you can adjust the pitch with no issue, with this system, all the mounts are fixt in place to match the exact size of your original panels. Also, you have a lot more holes in your roof. It's an interesting concept though.