In a 24v service lead acid battery bank made of 6 volt batteries in series parallel, the smart shunt is connected to the last minus stud.
What setting do I need? 24volt and total bank amp? Or the shunt gives info of the last 6v battery?
You can’t set the voltage.
What you do need to do is make sure the positive is now on the most positive terminal.
The shunt goes between the last batteries minus connection going to the loads / charger and the positive wire goes to the first battery positive so it reads 24V. You could use the aux wire to read the 12V mid point. For the battery capacity, I will use an example. If you have 3 batteries in parallel and 4 in series of 150Ah and 6V each the system is 24V (4 x 6V = 24V, which you know anyway) and the capacity is 3 x 150Ah = 450Ah, which is what you put into the settings for the shunt.
See Section 3.5.2 in the manual.
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