Change my wifi network

Hi, I had my system commissioned and it is running pretty well. However my wifi network (Virgin Media Hub 3.0 and 2 TPlink extenders) is unreliable. The issue is the Hybrid inverter is in the garage and is connected by a TP link that disconnects at least once a day. Just turn off and back on and its up again but that is no good if no one is at home or has not noticed.
I now have a EERO6+ Mesh set up and the wifi seems much better. I have been switch in devices to the new signal but can anyone tell me how to swap the Inverter to the new network. Can't find it anywhere. Thanks

Jerry2604 what can't you find? The inverter dongle? Do you know what its IP is, as you should be able to log into the dongle with the user name admin and the password you or the installer set - the default is admin
Once logged in you can change the SSID.

Try this:-

https://kb.givenergy.cloud/article.php?id=1&oid=1