hotwater_device.yaml

mqtt:
  - water_heater:
      name: "Vaillant"
      unique_id: "vr720-hotwater"
      device:
        manufacturer: "Vaillant"
        model: "Ctlv2-Hotwater"
        name: "Ctlv2-Hotwater"
        suggested_area: "Heating"
        identifiers:
          - !secret hotwater_device_serial
      min_temp: 35
      max_temp: 65
      current_temperature_topic: "ebusd/ctlv2/HwcStorageTemp"
      current_temperature_template: "{{ value_json['tempv']['value'] }}"
      temperature_command_topic: "ebusd/ctlv2/HwcTempDesired/set"
      temperature_state_topic: "ebusd/ctlv2/HwcTempDesired"
      temperature_state_template: "{{ value_json['tempv']['value'] }}"
      modes:
        - "off"
        - "auto"
        - "heat"
      mode_command_topic: "ebusd/ctlv2/HwcOpMode/set"
      mode_command_template: >-
        {% set values = { 'auto':'time controlled', 'heat':'manual', 'off':'off'} %}
        {{ values[value] if value in values.keys() else 'Time Controlled' }}
      mode_state_topic: "ebusd/ctlv2/HwcOpMode"
      mode_state_template: >-
        {% set values = { 'time controlled':'auto', 'manual':'heat', 'off':'off'} %}
        {% set val = value_json['opmode2']['value'] %}
        {{ values[val] if val in values.keys() else 'auto' }}