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UMMM, Fuse? breaker?

Never charge in series, without a your BMS . Then just let it charge. and it will balance.. Additional high amp balancer are cheep. Most BMS only balance in milliamps. It will balance but it could take forever.

hello what are your thoughts on using an Automatic transfer switch versus a double throw switch ?

Great video. Thank you.

Лет ми спик фром май харт

The one "waterproof" is not a fuse. It is an automatic circuit breaker with ignition protector. It should allow to pass 100Amps within 1 hour. And more amps you give to it the faster it will switch off. For example it may switch off at 150A after 2 minutes. So I would say it does not work quite correctly switching off at once at 100A exactly. But at least it works. While fuses must be distroyed at once when they reach 100-110A. Automatic circuit breakers and destroyable fuses max amps are counted in a different way.

the install guide listed 1awg wires for the 2 hots and neutral, 4awg for ground, it's ok to use 4awg?

I’m doing a near identical install…question…. Did you ground the DPU inverter? Also, did you ground the entire roof array to the SHP2 which is grounded to main panel?

Were these installers Tesla employees?

amazing, nice work

@SolarEngineering where can I buy the communication/12v wires?

Гарно зроблено. Є чому повчитися! Дякую! По ингліш акценту одразу видно хто звідки. p.s. Дозволяється одному працювати? p.p.s. Ще додам, що у нас по цінам приблизно. Буду на наступному тижні ставити товаришу. Візьму тільки за роботу, тому собівартість рахую обладнання. Батарейка на 16кВт(48В) буде коштувати приблизно 1500 евро Інвертор Дея трифазна на 12кВт десь 2200Евро Панелі на 15кВт десь 1400 евро Електрика різна(щити, пзіп, автомати все ETI ) з купою проводів десь до 1000 евро Загалом собівартість обладнання вийде не більш ніж 6500евро за все, з підключенням до "зеленого" таріфу. Ну якщо купувати та замовляти це на монтажній конторі то десь до 10 вийде.

No ferrules for bare wires?

What does the spray paint do?

sir can this work well? power goes into the inverter then pull the power cable into the mcb on the far right then into the main source a Lvd goes to the 48v relay to trigger the relay Then the AC inverter goes to the relay via hole no Pull the cable from the MCB AC inverter output to the contractor so that the load doesn't pass through the relay then enters it into the ATS source B

sir can this work well? power goes into the inverter then pull the power cable into the mcb on the far right then into the main source a Lvd goes to the 48v relay to trigger the relay Then the AC inverter goes to the relay via hole no Pull the cable from the MCB AC inverter output to the contractor so that the load doesn't pass through the relay then enters it into the ATS source B

Great job on the setup. The only thing I don't like is the bus bars in the inverter. I wouldn't use those. Instead I would use the 2 cables per side of the battery (4 in total) because of the amount of amps that inverter can push/pull when operating at max. By using 1 cable per side of the battery (2 in total), you're placing a tremendous amount of amps on a single cable when the inverter is operating at or next max.

Can I connect 2 pieces of 550watt solar panel (24volt)with a 12 volt 80ampere lead acid battery?

Excellent. Thank you.

my solar company cheaped out and I didn't catch it in the contract. I'm having to wait for the DC expansion PW3. I have just the one PW3 with inverter at the moment. Nothing like waiting for a product that isn't out yet....

Nais yop buen trabajo

@SolarEngineering Stupid question but I thought Tesla Power wall 3 was not stackable?

Was hoping you would show more of the breaker wiring instead of the "jack rabbit on a date" video. disappointed

As always awesome videos. can we use one RSD for 4 tesla powerwall batteries? Would love to check your video of 4 powerwall installation.

I wouldn't have thought that this would work given that the two phases are out of phase with each other. But hey, it worked so well done :) :) :) I will try this on my three phase 230v.

Very nice, thanks for sharing! One thing I would've done differently would've been to leave some space between the battery and the gutter/inverter. Since that battery was hung on a cleat, everything above it will have to be completely undone if for any reason that battery needs to be removed/replaced.

Not sure if you or the customer is aware (also not to be rude). That single battery can't supply enough DC amperage to utilize the full potential of the Sol-ark 15k.? Also in the manner that you wired it, an additional jumper wire tying both DC sides together is needed, per the install manual.?! Hope all is well 🙏.

Nice! How does that compare to PowerWall 3? Cost? Capabilities?

If I understand this correctly, the longer charging time is due to the lower voltage causing a less aggressive charge current as the battery reaches the final voltage, thus the tail current (typically 2-3%) aka the ‘we can stop charging now’ current must be set at a lower percentage (of the initial CC value) in order to achieve near 100% SOC at the lower final voltage? It looks like finding a sweet spot between 6-10Hrs for 0.2C is warranted but at a voltage that is high enough to trigger the internal BMS of multicell battery such as a 4 cell 12.8V 100Ah LiFePo4 unit. If I’m missing something input would be appreciated!

Why isn't it a weather rated sealed box?

Thank you very much 😂😂

really gilding the lilly on this install

You mention getting close to 1600 watts with this 2S2P array, but given the Delta Pro 15 amp limitation, it seems you'd only get around 925 watts? I ran the numbers from those specific panels.

@SolarEngineering do you remember the model panels used for the dual poll and emergency grid shutoff ? Also to pass inspection was all the labels placed on the panels? Also what type silicon sealant use?

Great video. Was that 1awg to 1/0 cooper or aluminum for 100amp. Thought 3awg copper THHN was enough for 100amp.

i wonder why jay box is not waterproof i would use different box looks like it needs rubber gasket

This is the second time I have to warn you about your back. Buy or at least lease a hydraulic lift for heavy loads like batteries. You will strain your back muscles or develop disc prolapse if you keep lifting them manually. It is even bad that the lifting technique is not optimal and puts a lot of stress on your back. You are a fine installer and it would be bad if back pain stops you from producing these nice videos. Clean install as usual.

Why not move the vents so the maximum number of panels can be properly installed. For such an exprnsive imstallation, wouldn't it be the right thing to do?

You have some nice music taste

Nice job ! I'll never understand putting equipment like that outside . I know it's rated for it but it just seems like it would have last longer out of the weather .

Doesn’t this Void Sol Ark Warranty? Since they don’t have a relationship with EG4

Вы не учли устаревание панелей

Does not surprise me that the Victron was over engineered, a lot of their stuff is. A fuse is to protect the cable & whatever connects to it from a short circuit which will generally be hundreds of amps surging. The worst type of fuse is the one that blows (in this case) at 100A, none of them should blow until around 120A or more.

Thanks for this video. It confirmed what I already thought. I live in socal and only see a small production benefit after the first rain of winter.

One blow I’m yours baby, continued hitting softens the grip -dude,

Nice bro

is AP smart the only RSD compliant device for luxpower inverter?

How many watts is soldering tool ?

Grear video! Thank you for your work! How much power can this batery pack deliver continously? How many Amps?

Can I ask why you used what looks like AWG 4 or 6 for the grid/load?