Final Check on my system before I build it :)

[Howesy]

Hello everyone, after making some changes to my system im ready to build it but I just wanted any feedback so I dont make any mistakes. Some information for context: The system will be in a campervan, the inverter max draw is 85a, the 12v appliances max draw is 25a.

Some questions I still was sure of:

- When considering cable sizes for the battery connections I selected 32mm, is this the correct size?
- When it comes to the flow of electricity through a cable, say for example the 30a shure power charger is running at the same as the inverter is on at max and the 12v appliances are at max, does that mean the cable should be rated at 85a + 25a + the 30a from the charger? or just the loads of 85a and 25a.
- The main battery fuse, if my load is 110a (85a + 25a) and i use the 25% rule, does that mean my class T fuse needs to be a minium of 143a?
- Is the use of the bus bars the correct way to position them? Im unsure how they should be placed but ive seen videos and this seems right.
- For the cable coming from the inverter to the DC DC MPPT, the distance is around 7-8m from the front of the van to the back, is this a problem being so long? ive got the cable sized at 25mm currently.

 

[littleharbor2]

Need solar panel stats, Charge controller max voltage limits and model numbers of components before any analysis can be made.

 

[Howesy]

Need solar panel stats, Charge controller max voltage limits and model numbers of components before any analysis can be made.

Hello, here are the product specification pages from the manuals, the DC DC MPPT charger is the 50a version, the inverter is the renogy 1000w version, the victron charger is the victron blue smart charger 12/30/1 output, is this specific enough or do you need more information?

 

[littleharbor2]

The first thing I would do would be to get rid of that charge controller. It's got a 50 Volt maximum open circuit voltage rating, which tells me that it may not be a true MPPT charge controller If you got one with a 100 volt, maximum open circuit voltage rating you could take your three solar panels, wire them in series, eliminate the fuses and simplify that setup you've got Never been a big fan of Renogy, and this is another example as to why The way they've got the specs listed for the solar panels seems backwards The maximum current should be lower than the short circuit current. Just a lack of attention to detail bothers me.

 

[Howesy]

The first thing I would do would be to get rid of that charge controller. It's got a 50 Volt maximum open circuit voltage rating, which tells me that it may not be a true MPPT charge controller If you got one with a 100 volt, maximum open circuit voltage rating you could take your three solar panels, wire them in series, eliminate the fuses and simplify that setup you've got Never been a big fan of Renogy, and this is another example as to why The way they've got the specs listed for the solar panels seems backwards The maximum current should be lower than the short circuit current. Just a lack of attention to detail bothers me.

ok gotcha, so that would simplify the solar setup, the only thing is is that i already bought a lot of the components in the diagram, even though not so simple, would it still work to use as in the diagram, safety wise?

 

[littleharbor2]

I'm reluctant to give you a definitive answer here. I am not familiar with metric wire sizing and I can't quite tell what all the components are. You appear to have ample fusing

 

[Howesy]

I'm reluctant to give you a definitive answer here. I am not familiar with metric wire sizing and I can't quite tell what all the components are. You appear to have ample fusing

I'm reluctant to give you a definitive answer here. I am not familiar with metric wire sizing and I can't quite tell what all the components are. You appear to have ample fusing

Ok , I appreciate your help!