Forced To Change Our Own Solar Install!

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Have you ever got to the end of a job and then realised... that it isn't actually the end of the job? In this video, the artisan team headed up by Jordan, made a discovery which impacted the entire job. In other news, John contemplates wearing a "work kilt", Artisan's solar panel cleaning service got some more work done and almost the entire artisan team makes an appearance. Settle in for this week's fix of Artisan Electrics.
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24 июн 2023

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Комментарии : 457

@artisanelectrics 6 месяцев назад

Request a quote from Artisan Electrics here - app.openquote.net/company/artisanelectrics

@jayktee96 Год назад

50+ years as a spark and I don't recall ever seeing galv. trunking fitted externally, water will seep in.

@jasonwatson9011 Год назад

I would only consider it in a sheltered location. Or in this case within a roofed enclosure/ plant room etc. Outdoors, exposed to the elements all those cut edges even treated are going to start to rust . Although its just mechanical protection cosmetically I'm not a fan.

@tresslerj1985 Год назад

You can get external grade, comes with a rubber lip.

@craigbutler6243 Год назад

I didn't think you could use metal trunking for solar as they are considering double insulated systems. Sure they said that on the solar bpec course

@bencrabb303 Год назад

@@jasonwatson9011a customer asked me to install some SWA in some galv trunking last week. I told them to jog!

@zstation64 Год назад

Not to mention the cut ends rusting away in no time...

@elslopez Год назад

I have to admit I would not be a fan of having what looks like plant room machinery bolted to the side of my house, but a very tidy install all the same.

@johnwilde4953 Год назад

Agreed - I'm also not sure I'd appreciate having all of my isolators available for anyone to play around with after a quick hop over the fence. I hope the Libbi is also better than the Zappi and Eddi, because I've had both for nearly five year while they are a good idea, they are rather poorly implemented. Just ditched the Zappi after I went for a different battery solution. They 'just about' work, but everything about them is just OK and you spend most of your time coming up against things they can't do or can't do very well.

@tasmedic 10 месяцев назад

I've said it before, and I will say it again. Microinverters are the way to go. No messy boxes and cabling indoors. It's all hermetically sealed and up on the roof. There are lots of other advantages, too.

@oinaaahsafe92 7 месяцев назад

Ive built sheds around them in the past. Manufacturers instructions usually say equipment should not be in direct sunlight or directly rained on too.

@cantbelieveimhere2935 Год назад

I'd rather have some kind of cabinet or enclosure on the wall with all the isolators and other bits within. It's installed neatly tbf, but it looks very industrial on the side of the house.

@shuhel02 Год назад

🤣 true.

@dbuts5136 Год назад

will look even worse in a years time when its all covered in spiderwebs & bird shit.

@blower1 Год назад

@@dbuts5136 And all the galv trunking has rusted on every edge and corner

@RichardASlack Год назад

I was showing my son this very install yesterday on our dog walk as it is the first Libbi I have seen. Lovely couple keep a bowl of water out for passing dogs 😃

@fredtheted2259 Год назад

As people have commented already it looks tidy, but there is no way I’d have that on the side of my house

@HerbertPetra Год назад

My dog could bite on that 1kVcc wire, definitely no go.

@mfx1 Год назад

I see a future where a lot of this stuff gets stolen while people are on holiday.

@ConstantijnKool Год назад

What would be great is to make a in closure above the libbi, that looks like the libbi inverter, were you could hide all the isolators and Serge protection devices. So that the install would look way cleaner without all those separate devices on the wall

@johnwarwick4105 Год назад

OMG. Never had cause to seriously criticise your work but have the guys forgot they are outside!!! Top entry into the AC isolator with galv couplers 😳😳. Shocking no other word for it! Order a spare cos you will be changing it in 6 months

@blower1 Год назад

Yep it will fill up like a bath with no drain hole, but even if has one - you still don't want rain water pouring into it from that trunking which has no water ingress protection.

@marshp3 Год назад

If you look closely most of the content on this channel is riddled with things you wouldn't want at your own house.

@Falco45able Год назад

Terrible Will you be building an enclosure over that lot? how much did you charge , or did they refuse to pay? 🤔🤣🤣

@marshp3 Год назад

@Falco45able imagine coming home to find your house transformed into an electrical substation, a huge bill and a major reason why no one will ever want to buy your house in the future

@MrRawMonkey Год назад

Converting a residential house to a factory look. Also just wait until the home owner has to fit an air sourced heat pump. The natural location would be on the outside wall immediately opposite the existing boiler where all your gear is fitted.

@roydowling2542 Год назад

Wait until it rains heavy

@boscuselectrics Год назад

Agreed

@user-ow9xi9ii5r Год назад

I can't believe the amount of dangerous workmanship just goes to show even qualified electricians can mess up solar installs

@BillsCountrysideAdventures Год назад

Working at height you should use tethered tools, what if a child walks by, you could kill them or you must make sure scaffolding netting is around whole area, it's cheap stuff. When I was a builder no. 1 rule was safe sites and practises.

@christopherkingston9601 Год назад

A previous video showed install suspended as tool from roof fell and Jordan was not wearing his hard hat. He was so adamant after that abut safety and yet here is a new video showing people using strippers and side cutters . NOT forgivable. Get your wallet out and buy a group of equipment purely for high level installs and no other tools to be taken up high. You really do not want the momentum a pair of side cutters gains going through anyone’s head and causing death or serious injury. WAKE UP NOW !!

@BillsCountrysideAdventures Год назад

@@christopherkingston9601 it's basic knowledge pal and if I was the boss no one would get up two steps without tools attached or netting attached. How about hse comes on site and tool hits the floor, what are you going to say. Doesn't cost anything to get right tether tools wires, they fit existing tools. If a tool kills someone they are going to prison. Trust me you do not want hse on your case.

@benbarker7534 Год назад

Get a life dude

@hks-lion Год назад

You should email a formal complaint to him as then he would more or less be required to act upon it by law (although should have already acted upon it)

@hot_wheelz Год назад

Yep simply not good enough. These guys charge premium rates and then pull these kinds of stunts... This is basic stuff, they shouldn't be operating at heights at all if they can't demonstrate that they are able to do so in a safe and reliable manner.

@ohgoaway3610 Год назад

Turn off DC switches and safe to unplug. I had a DC flash recently on 17 panel string when unplugging an MC4 plug. Even with AC off. Not pleasant. So no load and it’s safe.

@jedisith25 Год назад

mpressive video, level of integrity 👍🏽👍🏻 ,just discovered your channel by luck and love the work of the team and the humour .iam not an electrition but and an IT Technician. i use your chanel as learning channel.

@iHelpSolveIt Год назад

Absolutely needs a cabinet. Those batteries are not cheap

@motivationhero7 Год назад

Impressive video, level of integrity 👍🏽👍🏻

@shaynemacdonald3051 Год назад

Should never do top entry on accessories outside especially bushed out of a galv trunking water will sit inside the trunking. You actually get IP rated galv trunking but its a lot more expensive than standard.

@Sparks0001 Год назад

100% they will back at some point to replace that!

@stevedavis770 Год назад

A very minor and trivial observation; I was pleased to see you using the Seaward device as I used to work for them a couple of decades ago. Pleased that they are still going strong.

@buckshee Год назад

I use the PV150 from Seaward, I’m astounded very few others do and just use a basic clamp meter.

@jasontaverner2634 Год назад

so, in a nutshell, the super expensive my libbi stuff is the same capacity as very affordable growatt. Thanks for the info.

@sparkymark75 Год назад

And the GivEnergy All in One is better value.

@tpottrell Год назад

but the libbi is obv integrated with the rest of the range (zappi etc)

@zstation64 Год назад

And poorly featured compared to anything Victorn produce (I've my whole house running off the protected circuit of my Victron, only reason I know there's a power failure is the email Victron sends me).

@loveofkemet Год назад

That’s drop per MPPT is massive? How can manufacturer make such an error?

@bramcoteelectrical1088 Год назад

Absolutely 😂and we only fit growatt ,Victron or Solis 😮😊

@mattmecham Год назад

I have a similar system in our garage as we're lucky enough to have one. Even so, if I didn't, I'd happily that that equipment at the side of the house. No one will see it, and I'll still be mostly off-grid day and night. I'd probably install a canopy though to keep the worst of the rain off it.

@tomkerr4617 Год назад

I have 12 x 320 watt solar panels connected straight into my 5.5kW inverter in my garage with 8 x 6v 229 Ah batteries also connected to my inverter which is connected to my consumer unit to supply my house electrics with a mains isolater switch and I don't have any of these electrical gadgets they have connected up and it has working fine for over a year now.

@chrisyoung7362 Год назад

Try considering a GRP enclosure. They come in multiple sizes and some, some, I've used them in the past for outdoor swimming pools with limited enclosures or housing an array of solar pv equipment

@Matt-td9wx Год назад

Always look forward to the videos every week 👌

@tannerbean3801 Год назад

You are correct that the MC4's could arc if disconnected @ the MC4, while producing under sunlight and while under load. 'Load' meaning a closed circuit i.e. with the inverter/MPPT. If the panels are all connected in a string but disconnected from a load, it is safe to disconnect them. In fact, I like to break the string if I'm working near both ends of the string with full voltage on them. Treat the string as a battery pack with corresponding voltage. Cut the string in half if you want no risk of arcing or shock (especially if you're wet with sweat and handing both of the MC4 connectors)

@therealxunil2 Год назад

Shouldn’t those exterior cables have drip loops ?

@LuvThe350Niner-Garth Год назад

Personally if I were John I'd have had a fall arrest harness on that close to that edge, with the railing pretty well above his body when he was laying down.

@LuvThe350Niner-Garth Год назад

Not nit picking, just a comment what I'd have done. I am a Sparkie working in commercial construction in another country though.

@antonygriffiths-vy7cg Год назад

Also stops the array being a massive induction loop. I'm fairly sure the IET solar code of practice recommends keeping both legs of the string no more than 10cm apart.

@Tezza66 Год назад

Also check specks of wego connectors. As I believe a bare wire has better connection than a feral Bootlace. Victron has a good documentary about terminals regarding the issue with multi strand cable an the heat issues that happen

@thomasthetankengine2257 Год назад

That’s some proper industrial looking steel trunking on the side of the house 😂

@oninbridders Год назад

Should have taken time to paint it

@MartinCawley-xy1lo Год назад

How long before that rusts, as rust it will?

@dc1544 Год назад

Yes a insulated cabinet so in winter batteries stay warmer. I have my setup in my basement where it stays around 60F all year.

@nicholasmifsud8816 Год назад

Well done all the team you did very great job and I like your aducation and inspiration to all men out there one of them my self as an electrician.

@electrickal1 Год назад

That outdoor AC isolator contravenes BS7671, the 20mm galv couplings are not water proof and are mounted beneath the 50mm trunking. This will allow water to ingress not only through the couplings, but also through the trunking when it fills with rain water too.

@terry.hudson Год назад

Wayne has such a lovely manner about him, must be nice to work with 🙌

@fuzzylon Год назад

I'd be really annoyed that "My Energy" changed the spec for the inverters at that stage of the game. It's taken four of you to rewire the panels as a result of this plus extra changes to the work you'd already done plus additional kit. Who's responsibility is it to pay for this and what lessons are there for the future?

@markrainford1219 11 месяцев назад

What lessons for the future? Don't be a guinea pig for brand new products to market.

@jostouw4366 11 месяцев назад

Or wait untill you have all the parts?@@markrainford1219

@bartpander 10 месяцев назад

Well the specs are changed for safety reason, you rather have them not change the specs?

@markrainford1219 10 месяцев назад

The specs were changed because they cocked up and released an unfinished product.@@bartpander

@andrehunter1295 4 месяца назад

Well, they better sell safe equipment to the customers first time. And what kind of work is done on the outside !? Looks like inside of a industry, everyone could have fun Turning off and on. Even stealing everything on the wall !? Never seen such a unsafe ugly install ever, even children could have fun with this electric wall. Unsafe ugly install, I would never accept anything like this on my wall. Even if they paying me a million for having it. I am from Norway, never seen install like this on a house with solar...

@Faddnn Год назад

You're correct with the MC4. But if you disconnect while they're connected to a load (inverter) you have to change because of the arc.

@Patrick-ni3xy Год назад

How would you go about disconnecting MC4s from panels connected to an inverter. Let’s say there was already a system installed and you were looking to add extra panels to one of the strings

@Faddnn Год назад

@@Patrick-ni3xy Turn off the inverter by disconnecting it from the grid and turn off DC-switch.

@antadefector Год назад

At my place code requires that dc conductors for bateries (and other unprotected sources) should be separated at least 30 cm (by old regulations, new is comething less, not sure how much) if not protected by fuse or circuit breaker (not switch, breaker as breaking short circuit currents). Putting wires in same pipe from solar panel would be a big no no at my place, but watching various clips from around the world, it seems that only we have that regulation. This is a real pain when doing batery wiring for transformer stations and similar (110VDC) where bateries need to have separate room also (naturaly vented). Nice work, love the videos. Best Regards

@nigelmorse3909 Год назад

Interesting comments about putting all the gear into one enclosure. Perhaps in the future new homes will have a machinery room just for equipment for solar / heat pump / fibre broadband / whatever else comes along in the future 😊

@chrisfletcher86 Год назад

They do this in Europe, have done for a long time. But we build houses so small here there's barely room for a dishwasher nevermind a plant room

@eliotmansfield Год назад

in the rabit hutch sized new builds a plant room would described as a large dining room

@Chris-hy6jy Год назад

Isn't that AC isolator going to be filled with rain water pretty quick??

@ELGee1 Год назад

0:16 how did you prefend round spots from those vacume handles ? I always get circles that are difficult to get rid of

@roderickverduijn2750 Год назад

Did you ran the negative wire along the positive next to each other to prevent an inductionloop? On your drawing it seems not the case.

@rickyjulian496 Год назад

Lovely zappi. They should make granny chargers that are capable charging at the speed of the excess solar.

@Vicdavies151 Год назад

Good to see John and Reuben again after they did a great job on my house,can you tell them my spur has not blown again since they left. Omg probably tempting fate lol

@iHelpSolveIt Год назад

Not with quality work.

@Vicdavies151 Год назад

@iHelpSolveIt hi I can only speak of my experience and they both done extremely good work

@iHelpSolveIt Год назад

@@Vicdavies151 from what ive seen, You're not tempting fate. Just in case you didn't catch what I meant

@stephenbaxter3369 11 месяцев назад

Great job clearly explained.

@lukerussell5674 Год назад

That is one rough install there ac isolation drilled through the top so will fill up especially the fact you have only done that to accommodate a dc isolator when you already have a 4 pole there you could have used for both strings and your cable management under the panels is a non compliant joke those cables will rub through against the tiles within years. You guys should be promoting good work

@mcworton7 Год назад

Good work, but there must be a neater solutions to hide the ac / dc isolator and fuse board, I would not like that on the side of my house.

@aiphaitohzaiw7664 Год назад

Unplugging should be safe, if and only if you don't have a complete circuit, because then there is current flow, but you'll have a potential difference, between the MC4 connectors in this case. If there is a short, in this case without the inverter, then there most likely will be a massive current flowing in the circuit. For how long, depends on multitude of things, internal resistance, protective elements etc.

@boscuselectrics Год назад

Hi Jordan, was the latest IET code of practise applied with regards the location of the consumer earth electrode? I am training to be an electrician so keen to learn.

@th7362 Год назад

You are better off running 2 strings anyway. That way if a panel dies, the client still has 1/2 of their solar system operational

@mespud6753 Год назад

I thought the same thing. Plus, most inverters with 2 inputs should be equally balanced if possible.

@zstation64 Год назад

This. Would help with MPPT too, assuming the Libby has dual string tracking.

@kelvingstrachan Год назад

Always disconnect the load before unplugging the MC4s

@samingham7363 Год назад

What is the part number for the DC wago connectors? And what optimisers work best with the libbi? And why weren’t they used here

@radiotowers1159 Год назад

Nice move when working with live panels or making off live dc cables to use insulated gloves, although the panel connectors are fully shrouded it could easily be contaminated with water or …other contaminants. Any slight leakage will eventually cause a carbon track which you would not like to touch especially as you now measured voltage of I think 220v at 1.5 ampere.

@markrainford1219 11 месяцев назад

Where would the current flow to?

@radiotowers1159 11 месяцев назад

@@markrainford1219 It could flow between connectors for example ,the carbon track is a semi conductor so if its damp it makes matters worse. You may be tracing the dc strings for example with your bare hands while holding on to the mounting rail. If you are up a roof and you get a even a static shock , it may be enough to make you recoil and loss your balance.

@jamesrooke33 10 месяцев назад

Nice video - I’m new to solar pv and was wondering about earthing? There’s no earthing I can see on the modules or mounting rail?

@M_Gargantua Год назад

@5:15 Those connectors you can disconnect while energized by the panel, as they're fully sealed and potted, BUT you cannot disconnect them under load. They will arc internally. Especially with many panels in a row the ~10A has a lot of potential behind it. That can permanently damage the pins or compromise the housing. Make sure your DC disconnects are open before unplugging.

@daxw2460 Год назад

Who do you disconnect the the DC ?

@piotrlobacz Год назад

Neat job as usual. Not sure about galv trunking installed externally and AC isolator below it. How are you going to prevent rain water finding its way into AC isolator through trunking and couplers?

@herrtomas6729 Год назад

That was my first thought as well. Surely that type of galv' is internal - not for external water ingress protection??

@blower1 Год назад

Exactly my thoughts too - that trunking will fill up with water and run into the isolator now fitted underneath....wasn't so bad when everything was above the trunking but water now has a path straight into that isolator.

@Sparks0001 Год назад

@@blower1 I dont understand why they fitted another isolator, they already have a 4 pole one there used to switch 2 poles 🤦‍♂

@piotrlobacz Год назад

@@Sparks0001 maybe they need to isolate each string individually. 🤔

@Pugjamin Год назад

@@Sparks0001with DC isolators they use a 4 pole isolator but loop it through, so actually they are only 2 pole functionally.

@pezzpezz7272 Год назад

⁠⁠@artisanelectrics recently my energi have recommended the zappi has a type a rcd at the distribution board, one of their prime selling points was that the zappi has a built in rcd. Will you be adding extra rcds on your previous installs?

@igorybema Год назад

18:58 shouldn't this be independent instead of parallel? I believe it should as that tells both MPPT's to work independent from each other. In fact using the parallel settings would have allowed you to not change the roof layout and just use Y-splitters to use both mppt-trackers as one for one string. But libbi manual and forum isn't clear about this. Other inverters work like this though

@stoenescumarius9382 2 месяца назад

Aren't you supposed to mount a fused separator between the soler panels and the SPD so that in case of a overcurent the SPD blows the fuse and stops the flow of current?

@Gerrit-Max Год назад

Regarding those CT clamps can you install them on a domestic installation without a EV charger and have (hardware) software running on a enterprise server? I'm at the beginning of setting up a proper network in our house complete with a server for several services and would like to keep an eye on our total electric consumption.

@tonywilliams9309 11 месяцев назад

Please can you let me know what panels and inverter you advise to use also I like the trim around the edge can you pass on details please

@edfx 11 месяцев назад

Wont covers on side of the panels block convection cooling? My black panels generate pretty strong heat convection underneath the panels and hot air is rushing out from the top.

@user-fy8bv2dt3d Год назад

What type of RCBO is the solar and battery install on? I know solar systems are to be on a type B rcd but I can seem to find a type B rcbo. Just curious.

@dama054 Год назад

Make sure there is no load then you can disconnect I would normally disconnect in the middle of the string then disconnect panels as you like

@SolisNotSolis Год назад

Just curious how you secured the additional pair of cables you ran under the panels to split the single string into two. If you were due to lift all the panels there would've been no need for the cable rods, so presumably they're just dangling on the tiles unsecured???

@owenb94 Год назад

Who footed the bill for the extra work required? Was it yourselves? The customer? Or myenergi as they’ve changed specs after the fact? (unlikely but thought would add it in)

@sanmiguel4019 Год назад

I would assume the customer had to fork out, maybe with a little bit of goodwill from Artisan and MyEnergi, but an explanation would have completed the video further!

@alsmith20000 11 месяцев назад

It seems that in the event of a power cut, only the boiler will be able to still run, the battery installed was quite substantial though. Does the battery mostly just store energy for the car charger and not supply power to the house at night?

@MrBobmeadows Год назад

I asked SolarEdge in May and they confirmed any product used to clean their PV panels, needs "... it has a neutral Ph level which won't damage the surface of the panels." My cleaning company used Benz Bio Cleanz diluted 30-50:1.

@marshp3 Год назад

Rain has been enough for me over 12 years. My data logger shows same output. I think "cleaning" is a bit of a scam. Sure if it's covered in bird mess, but a little light dust etc negligible impact on performance

@MrBobmeadows Год назад

@@marshp3 Agreed, but it is the algae/moss/lichen that the rain has little or no effect on. Even after 15 months from install, the growth had already started. The cleaning fluid used on my panels ahs a biocide in it to inhibit that growth.

@marshp3 Год назад

@MrBobmeadows I'm surprised it can adhere to what is a glass like surface. Mine are on a 45 degree pitch south facing, so I don't get much moss on the tiles anyway

@MrBobmeadows Год назад

@@marshp3 Mine are almost South too, but nice to have self-cleaning panels.

@ceesweerheim990 Год назад

how about sharing a circuit diagram? Really interested in seeing different parts of the world regulations

@neo_265 Год назад

Sorry to ask but why didnt you use both strings from the original install? Wouldnt that have been best practice incase of shading/dirt/birdmuck etc?

@sesshoumarusama7397 Год назад

Why is all of the stuff mounted outside? So that trespasers have it easier to temper with the battery and inverter?

@tommendoza1812 Год назад

Are you going through the G99 process as your installing a 5.0kw inverter?

@renzeleufkens1730 11 месяцев назад

Hi mate, your cable plan in still incorrect. For a correct Solar installation always use a induction circle. Wich means that the positif wire goes all allongside every solarpanel. Read in to it. And keep up the good work, love the vids!!!

@MyBasketball2012 Год назад

Hi Jordan - Great job and fantastic example of what you can achieve with a cohesive team who are artisan in what they do. I have some naive questions as a potential customer... Why are you using myenergi (due to the Zappi)? Have you used Tesla's Solar Panel PVs? If not, why not? Why did you not go for the Tesla Wall as your battery storage? In general, how much would it cost for a 6-panel Solar PV System? Thanks in advance, Abi.

@blower1 Год назад

Last I heard there is a 1-2 year wait for the Tesla power wall.

@PeterWestlakeWebb Год назад

Available next day in U.K.

@ram64man Год назад

A max 4 pannels per string , that’s going to be a serious issue for many 4kw per string and even some 7kw existing strings which only use 2 strings in total to 6-8kwh which use 8 or more panels per string exceeding the amps or 3.5 kwh per string especially with new 400+ w panels, new pannels are rumoured to pass 460 w for 68 cell this year myenergy need to rethink support for larger arrays as others will look elsewhere if forced to buy a more expensive inverter 3 string or more

@julianpeach3023 Год назад

Is it good practice to use metal trunking out side in the rain ?

@blower1 Год назад

I thought this - that stuff is gonna fill up with water under heavy rain....and from what I can see the isolator that has now been fitted beneath it has cables running off the trunking that are not glanded and the water will run into the Isoiator! You can get IP55 rated outdoor trunking which has various seals but this stuff looks to be the standard IP4X (no water ingress protection) trunking.

@zstation64 Год назад

No.

@blower1 Год назад

You sure that cable is RS485 / Belden data cable @ 16:07 I can't see any sign of a foil screen/drain wire and it doesn't look like a twisted pair. Cable looks like standard control cable which is definitely not suitable for RS485 data connections which should be screened (especially since they are running along side 230v cables) and be a twisted pair for correct impedance matching and common mode interference suppression via differential signalling.

@philpem Год назад

You might be right there, but it's hard to tell without seeing it being stripped back. It's not great but if it's only going a few metres from the inside control box through the wall to the inverter, it probably won't matter too much.

@euroovca25 Год назад

there should be a "V" cable connection on the SPD always! manufacturers do print a schematic where its not connected as such but its simply false. we test these and the only way they work 100% is if the cable is in double ferrule "V" connection.

@roypateman470 Год назад

Yes your correct.

@matthewmcphail7703 4 месяца назад

we have much hotter weather in australia, yet its always recommended to install the battery outdoors. if those batteries catch fire they will take down a house pretty quickly, Lithium batteries regardless of chemistry used are very difficult to put out. at least if installed outdoors one may save their house if the worst happens...

@davidsykes9261 11 месяцев назад

As long as switched off and Isolated at the Invertor or DC Isolator it is safe to unplug the MC4 Connectors without risk of arcing.

@lehoff Год назад

I'd prefer the kit indoors but i don't mind the "industrial" look that people seem to mention but then again I'm not one for having a show home, as long as the house is well kept that's as much as i care.

@user-uy3pi4rf3q Год назад

What happens in winter ? lifepo4 won't charge below 0

@torsson2 Год назад

What is the W of the panels and how big mm2 is the cable? in Sweden you can have 16p 415w panels on a 6mm2 cable. And a mc4 should be ok to disconnect if there is no load on the string of panels, If there is load you will get the nice free energy in the body and it hurts (i know how it feels :D)

@sdgelectronics Год назад

Whats stopping the AC isolator filling up with water? The steel trunking won't seal against rain etc.

@zstation64 Год назад

Hopes and prayers. And billable return calls. 😆

@craigbutler6243 Год назад

I was under the impression Artisan was already MCS registered? How have you been completing all the past solar jobs without, I know you can but there are drawbacks with thst such as no SEG for the customer & void warranties...Can you please explain

@Christopher_S Год назад

I have to ask. Was the screen on the PV150 damaged or is it just the camera angle?

@markdavies794 Год назад

Wish my PV solution had an emergency socket, it was not an option offered to me when I had my powerwall fitted, not sure if Tesla have it as an option, anyone know?

@elminster8149 Год назад

So who picked up the tab for the spec change causing all the extra work? Myenergi I would hope.

@nzl2004 Год назад

My understanding is that it is ok (with basic electrical precautions) to disconnect MC4 DC cable (break the string) with NO load. ie. DC Isolator OFF.

@bramcoteelectrical1088 Год назад

We do it all the time your correct 😊

@Chris-hy6jy Год назад

Are you guys likely to start installing Enphase any time soon?

@tomduffin8076 11 месяцев назад

If you're ever in doubt about the safety of disconnecting PV DC under load, there is an extremely simple solution: Drape a dust sheet or tarpaulin over the panels whilst you disconnect them. If they can't see the sun they can't hurt you. In general, whether it's safe or not varies greatly, with only 8 panels you should be fine as the peak voltage won't be too high. With long strings you have to be very careful.

@Chris-hy6jy Год назад

If there's no current flowing you'll get no arc when disconnecting. An arc only occurs when interrupting current.

@mfx1 Год назад

If there's no load then there's no problem. As you break the connection the voltage provides an ionisation path the length of which is relative to distance, in there is a load then current can flow through the ionization path causing arcing, no load=no flow so no or minimal arcring.

@skippercaship 8 месяцев назад

Great video can you tell what was the total cost of this insterlation please?

@c42cly Год назад

The skirt looks good aesthetically, how will it affect the panel temperature during hot weather? Surely it must restrict air movement under the panels?

@haldo691 Год назад

It will cause the panels to heat up quicker but still cooler than an inroof system

@YumiYume 9 месяцев назад

No! MC4 are not designed to disconnect under load. They will arc and be damaged. But if there is no current flowing through the connector then they are not "under load" even with hundreds of volts at the connection.

@unSTEVOED 4 месяца назад

Question - Would it not be easier / cheaper to just upgrade to a 5kW inverter?

@MichaelB-wm5cg Год назад

Did that LCD screen break when you pulled off the protective film?

@voltare2amstereo Год назад

No, it's a mix between the LCD polariser and the same on the camera lens.

@MichaelB-wm5cg Год назад

@@voltare2amstereo Thank you for explaining 😃

@Etheoma 11 месяцев назад

To be fair I think you should have had it in 2 stings in the first place, I'm assuming your at like 200V+ open circuit voltage even being split between 2 strings which as long as you are decently above your battery voltage which I assume is 48V your doing fine.

@E69apeTheMatrix420 Год назад

I would have been inclined to mount the libby 450mm minimum off the floor level. For water, future maintenance for groundwork access, cleaning, general building codes and look of mounted electrical are always 450mm anyway. Definitely learned what I need to know to install this myself in the near future though so thanks. I would call what you call a string a ring. But what do i know.

@andywarrington4738 11 месяцев назад

the installation should be in a large enclosure which is lockable , not only is it better appearance it is also a security issue

@Bodg3r Год назад

If the DC isolator is off or the fuses are pulled, then you are good to go. You are working with the VOC of the whole string in series up to that point but no load.