I wanted to share with you my approach on controling my Haier Heatpump (AU082FYCRA HW) via Home Assistant. I always like to do everything local. Maybe I have overcomplicated this a little, as it is also my first self made custom integration 
Link to the GitHub Repo: GitHub - DieBambusleitung/haier_rs485 · GitHub
I am thankful for any questions or feedback!