So with help of Matthias i got a final configuration which is working fine for me in HA
This is working with MDT Glastaster I and MDT Heating Aktor AKH0800.002
climate:
# Wohnzimmer
- name: "Heizung Wohnzimmer"
temperature_address: "2/1/30" # Temperaturmesswert
temperature_step: 0.5
target_temperature_address: "2/1/34" # Aktueller Sollwert
target_temperature_state_address: "2/1/34" # Aktueller Sollwert
command_value_state_address: "2/1/32" # Status Stellwert
setpoint_shift_address: "2/1/33" # Sollwertverschiebung
setpoint_shift_state_address: "2/1/33" # Sollwertverschiebung (lesend)
setpoint_shift_mode: "DPT9002" # 2byte
setpoint_shift_max: 3
setpoint_shift_min: -3
operation_mode_address: "2/1/35" # Betriebsmodus
operation_mode_state_address: "2/1/36" # Betriebsmodus status