Sorry, but I don't understand what your problem/question is.
What products do you have exactly? Maybe some pictures and/or a wiring diagram will help.
I have Quattro 48/5000/70.Need the help of an expert.The question is. I don't have a generator, can I put a grid to charge my batteries, but to set them to fall below 30% to charge them, and when there is sun, to use solar energy from my panels.
I take it you want to use the grid only if your batteries get low.
If this is correct, you can use the virtual switch setting of ignore Ac input.
More information can be found here Virtual switch ignore ac
The same can be achieved through assistants, Ignore ac using generator assistant
ESS may also be an option but I would talk to your installer about this.
All of these options will require either a GX device or a USB-Ve.bus adapter and the Ve.configure software.
Whichever way you choose, I would recommend discussing your exact requirements with your installer to ensure settings are optimised for your system.
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