How do you connect an additional string of pylontech batteries to an existing system.
Current setup:
Multiplus ii, MPPT 250, CerboGx
13x pylontech batteries on 1st string and works fine
We want to connect an additional 14 pylontech 2000 batteries in a second string but these are not registering as online or reporting capacity.
Thanks!
Are you using the pylontech hub? Are the address dipswitches in the correct position?
Did you try rebooting the cerbo?
Newest battery as master and you will need an LV HUB I think pylon call it. As the daisy chain BMS will only run 16 batteries without that HUB so 1 master and 15 slave batteries. If using A/CAN there is no need to change dip switches
Thanks so much for letting me know about the LV hub. I have in the meantime purchased an LV hub. However the set up has not been successful. We are using the multi battery groups set up as we currently have 2 strings totaling 27 batteries but will expand again in the future and will exceed the 5 groups of 8 batteries.
To be exact, we have on string 1 = 1 x US 5000 (master master) + 12 US 2000 and string 2 = 14xUS 2000
I have followed the following set up protocol:
here comes my question/problem while it appears all is working, the Cerbo does not register the number of batteries at all. (see foto)
From the internet, I understand that LV firmware might need to be updated, however how to find out if needed and actions is very unclear. Below I have attached fotos of the current system
Any advice on next steps or pointing me in the right direction is much appreciated.
