Use this url to register your new account https://csapl.pcpf.panasonic.com/Account/Register001
In the original Panasonic app (not the Homey app) login with your new account an register your unit again.
Because they are already registered with your first account you have to approve this within the Panasonic app by logging in with your first account.
When this is done and your second account is working in the Panasonic app and can control de AC unit logout and only use the first account in this app.
Use the second account for the Homey app Panasonic Comfort Cloud and everything should work.
Also read the original post for this app to get more information.
