tuya-local/custom_components/tuya_local/devices/hydrotherm_dynamic_x8_water_heater.yaml

name: Hydrotherm DYNAMIC/X8
primary_entity:
  entity: water_heater
  dps:
    - id: 1
      type: boolean
      name: operation_mode
      mapping:
        - dps_val: false
          value: "off"
        - dps_val: true
          constraint: work_mode
          conditions:
            - dps_val: ECO
              value: eco
            - dps_val: STANDARD
              value: heat_pump
            - dps_val: HYBRID
              value: high_demand
            - dps_val: HYBRID1
              value: performance
            - dps_val: ELEMENT
              value: electric
    - id: 2
      type: integer
      name: temperature
      range:
        min: 15
        max: 75
      readonly: true
    - id: 3
      type: integer
      name: current_temperature
    - id: 4
      type: string
      name: work_mode
      hidden: true
    - id: 21
      type: bitfield
      name: fault_code
secondary_entities:
  - entity: binary_sensor
    class: problem
    name: Fault
    category: diagnostic
    dps:
      - id: 21
        type: bitfield
        name: sensor
        mapping:
          - dps_val: 0
            value: false
          - value: true