Read Daikin indoor and outdoor unit parameters from LNS bus

If it has an S21, X50A or S403 connector you would be far better off installing a Faikin.

There is a list of supported models here: List of confirmed working air con units · revk/ESP32-Faikin Wiki · GitHub

See this topic for help: Need Daikin Wifi? Use the Open-Source Faikin ESP32 Hardware instead of the official wifi Modules

I’ve replaced the wifi controller in both my Daikin ducted and split system with these. They work even better than the core local Daikin integration using the official controller.