Seen a few posts but not any answers around this area. I have a 7.5kWh lithium ion LMO battery being charged by my Multiplus 48/2000 in a boat. I currently have the Multiplus configured with a battery 'storage' profile that floats the batteries at about 40% SoC voltage. I have another 'active' profile in VEconfigure3 that I can upload that charges the batteries to 90% SoC. Is there some way I can control this via my Cerbo's GX Touch? It doesn't look like I can choose battery profiles in VictronConnect via VE.bus dongle (which I do not yet have). Is this something an 'assistant' might help with? It's really just adjusting the absorption and float voltages. Perhaps even a physical switch on Cerbo's DI channel? I don't want to rely on Internet connectivity to do this via VRM and VEconfigure3 on a laptop.
I am planning a storage system (3 phase with Multiplus II 5000VA) for my existing two (10 kW and 17.5 kW - borth Fronius Symo) PV systems. The pv systems are located on a freestanding garage (ca. 40 m away). The meter box is in the house. Near the meter box is no space for the storage system. The storage system can be placed in an annex.
The easiest implementation is given by following layout.
But, I think, it is not possible with the Multiplus II. Is this right? K4 is used to guarantee the 1:1 rule.
In this system layout, the Multiplus is either in the parallel or in series. The switching is done by the relays port of the Multiplus in connection with the contractor K11 and K3. The 1:1 rule is guaranteed by K4.
The advantage is that at failure of the Multiplus the supply of the house is still guaranteed. Further, line losses is minimized. What is your opinion about it?
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