example.yaml

esphome:
  name: 4heat-controller
  friendly_name: Stove

external_components:
  source: github://leoshusar/4heat-esphome

uart:
  tx_pin: GPIO5
  rx_pin: GPIO4
  baud_rate: 9600

fourheat:

switch:
  - id: state_switch
    name: State
    platform: fourheat
    restore_mode: DISABLED
    datapoint: J30001
    on_datapoint: J30253
    off_datapoint: J30254
    on_data: '1'
    off_data: '1'
    parser: |-
      auto size = data.size();
      return
        data[size - 1] != '0' ||
        data[size - 2] != '0';

text_sensor:
  - id: state
    name: State
    platform: fourheat
    datapoint: J30001
    options:
      0: "OFF"
      1: "Check Up"
      2: "Ignition"
      3: "Stabilization"
      4: "Ignition"
      5: "Run"
      6: "Modulation"
      7: "Extinguishing"
      8: "Safety"
      9: "Block"
      10: "Recover Ignition"
      11: "Standby"
      30: "Ignition"
      31: "Ignition"
      32: "Ignition"
      33: "Ignition"
      34: "Ignition"

  - id: error
    name: Error
    platform: fourheat
    datapoint: J30002
    options:
      0: "No"
      1: "Safety Thermostat HV1: signalled also in case of Stove OFF"
      2: "Safety PressureSwitch HV2: signalled with Combustion Fan ON"
      3: "Extinguishing for Exhausting Temperature lowering"
      4: "Extinguishing for water over Temperature"
      5: "Extinguishing for Exhausting over Temperature"
      6: "unknown"
      7: "Encoder Error: No Encoder Signal (in case of P25=1 or 2)"
      8: "Encoder Error: Combustion Fan regulation failed (in case of P25=1 or 2)"
      9: "Low pressure in to the Boiler"
      10: "High pressure in to the Boiler Error"
      11: "DAY and TIME not correct due to prolonged absence of Power Supply"
      12: "Failed Ignition"
      13: "Ignition"
      14: "Ignition"
      15: "Lack of Voltage Supply"
      16: "Ignition"
      17: "Ignition"
      18: "Lack of Voltage Supply"

button:
  - id: clear_error
    name: Clear error
    platform: fourheat
    datapoint: J30255

select:
  - id: power
    name: Power
    platform: fourheat
    datapoint: B20364
    options:
      1: "P1"
      2: "P2"
      3: "P3"
      4: "P4"
      5: "P5"
      6: "P6"
      7: "Auto"

binary_sensor:
  - id: stove_offline
    name: Stove offline
    platform: fourheat
    type: module_offline

  - id: room_thermostat_state
    name: Room thermostat state
    platform: fourheat
    datapoint: J40007
    parser: return data[data.size() - 3] == '0';

  - id: water_pump_state
    name: Water pump state
    platform: fourheat
    datapoint: J30084

sensor:
  - id: exhaust_temperature
    name: Exhaust temperature
    platform: fourheat
    datapoint: J30005
    device_class: temperature
    unit_of_measurement: °C

  - id: puffer_temperature
    name: Puffer temperature
    platform: fourheat
    datapoint: J30012
    device_class: temperature
    unit_of_measurement: °C

  - id: boiler_temperature
    name: Boiler temperature
    platform: fourheat
    datapoint: J30017
    device_class: temperature
    unit_of_measurement: °C

  - id: water_pressure
    name: Water pressure
    platform: fourheat
    datapoint: J30020
    device_class: pressure
    unit_of_measurement: mbar

  - id: airflow
    name: Airflow
    platform: fourheat
    datapoint: J30026
    unit_of_measurement: Nr

number:
  - id: boiler_target_temperature
    name: Boiler target temperature
    platform: fourheat
    datapoint: B20199
    device_class: temperature
    unit_of_measurement: °C
    min_value: 0
    max_value: 90