Coach conversion electrical feedback

[joetool]

Hi all, I lived on a Crown coach conversion for 7 years and ended up selling it:-( I am currently helping someone to do a MCI9 conversion. I am attaching a wiring diagram and am looking for feed back. I am using a Blue seas 360 Panel for 12 and 120 breakers and there new OLED tank, temp, and SOC meters. I think everything is good, but I am hoping for some constructive feedback. We are not using a inverter/charger as we want to keep the existing system separate from the new 12 v house bank. Also there are 8 batteries not 6 as shown...

 

[Bluesky-SKO]

I’m not familiar with this type of set up. How are the 12v supply batteries charged and what happens when either the bus batteries or the 12v batteries are fully charged? It looks like the IOTA charges the bus batteries and also feeds the Sterling BtoB. Does the IOTA sense when the bus batteries are fully charged and shut off? Maybe add a switch that disconnects either set of batteries when they are fully charged.

 

[PNW_Steve]

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[joetool]

The IOTA is a 4 stage charger so it automatically turns off or goes to float. The sterling turns on whenever the 24v bank reaches full SOC. It is also a smart 4 stage charger, just from 24v bank to 12v house bank.

 

[joetool]

I updated the diagram with some better labeling...