Naks' Solar System:

Naks said:
Stuff on the roof, and damn that pool looks inviting!

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I'm liking the cement slab idea. I might just do something similar
 
Neuk_ said:
May even be three strings of four looking at the MPPT specifications and the PV panels specifications but keen to see as I want to add one more PV panel to each of our strings.
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I missed that you had two MPPT's, still keen to see how they wire the PV panels.
 
Naks said:
Thanks.

Well, the company proposed one solution with SunSynk inverters, and one with Victron. I know the Victron stuff, and I wanted the quality + warranty.

SolarMD because that's what they use and have found to be very reliable + has a good warranty as well.
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Was there any discussion of multiple smaller batteries rather than one massive thing?

I presume that beast is hard to steal, but in terms of redundancy, what if something goes wrong with it, then you're completely without battery vs if you had multiple then you'd have some redundancy (I assume this is how these things work)?
 
Naks said:
Are you referring to a Cerbo GX? I saw a box around earlier, I'm sure it's part of the mix.
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Yep thats the one, was wondering how the Battery going to communicate with the inverter. Great install. Perhaps at a later stage you can get a screen for it. Has a nice display of whats happening with the system.
 
hj2k_x said:
Was there any discussion of multiple smaller batteries rather than one massive thing?
I presume that beast is hard to steal, but in terms of redundancy, what if something goes wrong with it, then you're completely without battery vs if you had multiple then you'd have some redundancy (I assume this is how these things work)?
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Fair enough, but the chap claims they've had zero failures on those batteries in +-5 years of installing them
 
DuracellBunny said:
Yep thats the one, was wondering how the Battery going to communicate with the inverter. Great install. Perhaps at a later stage you can get a screen for it. Has a nice display of whats happening with the system.
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We have a Venus GX controller and access it either via IP address on my laptop, iPhone or iPad or via the Victron VRM app.
 
Mike Hoxbig said:
Why are they at different angles, rather than next to each other facing the same direction? Surely it's not optimal whichever direction the sun hits them?
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Two reasons: flat roof and hectic winds.

With this setup, the wind will press the panels down, whereas if they were installed all facing N, it would basically create a giant wing that would be lifted by the wind.
 
Neuk_ said:
I was looking at the CC GX due to it's screen but after a discussion with @Sinbad decided the Venus GX as he pretty much only looked at his phone and never the CC GX screen.
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Thats pretty much true, we are majority infront of a device that has internet but lol in my head if im going to spending a premium, F*** it, gonna stick that monitor in the kitchen. Dont really hear much of Victrons packing up so well worth machines.
 
Naks said:
Two reasons: flat roof and hectic winds.

With this setup, the wind will press the panels down, whereas if they were installed all facing N, it would basically create a giant wing that would be lifted by the wind.
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Is there no way to substitute the panels facing south with something else to give you a similar effect? Doesn't seem like optimal use of some good kit...
 
DuracellBunny said:
Thats pretty much true, we are majority infront of a device that has internet but lol in my head if im going to spending a premium, F*** it, gonna stick that monitor in the kitchen. Dont really hear much of Victrons packing up so well worth machines.
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In our case, everything is in our smaller second garage which you have to access by going outside of the main house, so it is much more convenient to pick a phone up or check things on my laptop. I have also integrated some of the available information from the Venus GX to Home Assistant using Modbus.
 
Mike Hoxbig said:
Is there no way to substitute the panels facing south with something else to give you a similar effect? Doesn't seem like optimal use of some good kit...
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There is a Wind Deflector but I don't think I have seen anyone locally. Was put on RVs to avoid the panels taking off. Not sure if they really adopted this correctly for roof top mountings because the scarcity of it.
 
Mike Hoxbig said:
Is there no way to substitute the panels facing south with something else to give you a similar effect? Doesn't seem like optimal use of some good kit...
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no, you don't mess with the South Easter around here.

With this setup, half the panels face E, half face W: best we could do with a flat roof smack bang in the path of the South Easter :thumbsup:
 
Naks said:
no, you don't mess with the South Easter around here.

With this setup, half the panels face E, half face W: best we could do with a flat roof smack bang in the path of the South Easter :thumbsup:
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If I were to install those panels all the E-panels will be string1 and all the W-Panels string2. Gives you good balance between early morning/late afternoon production plus they will shield from the wind. Like the design
 
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