Leonard

Its alive..... and I managed to keep all of the smoke inside... Its good if the smoke does not come out right ?

So... 
Thanks to the advice received early on, my 3 DB boards. 



This is what my final inverter panel board turned out like 

DC Distribution box

Final Install before I start closing up and labeling

Some prelim stats, note that the Pylontech cable I am using is being a bitch, but Riaan is assisting here, most likely on monday. 

Thanks for the read guys, and thank you plonkster, krokedil and everyone that assisted in advice, you folks rock...
To do.
Covers, labels, close all
Balance/distribute load a bit better between solar and non solar
upgrade wiring feeding cottage solar (we dont talk about this)
And then - "luxury load dropout" using APN and sonof's... 
But right now, I am so poor that when I go walking near the lake, the ducks throw bread at me.... So more has to wait... 

Thanks for the read
 

Hi there. Congratulations in starting the DIY route.
In your pictures above where you have changed the wiring back 
Pick 1. you have 16mm2 coming in but it looks like you have 4mm2 going out of the earth leakage change that to at least 10mm2
pick 2 on the right has a very old FUCHS breaker. - replace that with a new breaker those breakers tend to fail and does not trip when needed.
Your Pylon-tech rack looks fine but be careful of wood rot if that press wood gets water it will crumble without you noticing it and then your batteries might fall. I would rather use plywood or solid wood. 
Your DB that you are building might not pass COC, AC and DC must be in separate DB boards 

More on the top DB to follow, thanks for the input, and I will action recommendations.
Now based on the earlier advice, note the additional DB board top right for the DC bits.. I was not planning on doing that, so thanks muchly, would have been pissed if I had to do that after the fact. 
Question though regarding the conduit/single db CoC rule.. My trunking, which is split in the middle is fine right, I wont pick up crap from that.  ? I did plan to split AC and DC within the channels, hence the reason for buying the double trunking, but did not know about the DB distribution. 

Also, the box I have between the two inverters, will be my DC cable joining box,  essentially utilizing studs to terminate cable points. In my view far better then trying to double crimp 35mm wire. Will of course have a cover over it, with some Volt meters for the sake of nerdiness...
So route is to go from the keto disconnect to the junction box, and then out to each inverter. Also circuit 1 of the Keto, will have a 40A for panels, and 2x120A from batteries.. all squishy.. ?
Forgive the gazillion questions, but that's what happens when you let the IT nerds loose with this sort of thing
 

So a tiny bit of an update, removed existing solar setup from all 3 DB's, 

Clean wall

So Step 1 in fixing solar... rebuild laundry.. 

Then design the shelf. bit of detail here for anyone looking to do the same.
My ultimate battery config would be say 10 pylon's.. thats 300kg, plus another 50kg in dead weight, which I wanted to do wall mount, not your average shelf...

Therefore, i used kitchen board from BoardMasters,
Most guys use aircon brackets should they do this sort of thing, but I ordered mine specifically from CabStrut. Each bracket is rated for 270kg and it was dirt cheap. 

So essentially, I designed for 2 cabinets of 600 each + wiggle room so board size of 1300.
Mounted on 3xCabstrut FPA350 http://www.cabstrut.co.za/cab-strut-cantilever-arms.html
2x pieces of 10mm threaded rod, for front mounting bits. which turned into something like this. 
6 M12 rollbolts

So thats is where we are today, and we shall see how far we get over the next week or so... 
However, please can I get an opinion of my DB board. 
Top row is for Panels, with a DC based surge arrestor
Second row is output, again AC Surge arrestors, 63A Isolator (out) and 2 earth leakages, split between 2 houses, I would have gone 3, but the guys that did my install lied to me, it is supposed to be individual feed to both houses, but alas, it is joined.. No matter though, so 2 external loads, EL for each, 63A
And bottom row of course is the AC Input, 63A isolator, 63A breaker for change over switch, and 2x32A for each inverter, 10mm wire for everything, which is overkill.
Whats the verdict, will this pass muster ?