Airleaf.yaml

substitutions:
  devicename: airleaf-01
  #devicename: airleaf-01b
  #devicename: airleaf-02

esphome:
  name: $devicename

esp8266:
  board: d1_mini

logger:
  # No log output through UART
  baud_rate: 0

# Enable Home Assistant API
api:

ota:
  - platform: esphome
    password: !secret ota_password

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password
  fast_connect: true
  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: $devicename
    password: !secret ap_password

captive_portal:

uart:
  tx_pin: 1
  rx_pin: 3
  baud_rate: 9600

modbus:

modbus_controller:
  - id: airleaf
    address: 0x1

climate:
  - platform: thermostat
    name: "Airleaf Climate"
    id: airleaf_climate
    sensor: air_temperature
    set_point_minimum_differential: 2
    visual:
      temperature_step: 0.5

    cool_action:
      - logger.log: "Cooling activated"
    min_cooling_off_time: 1s
    min_cooling_run_time: 1s

    heat_action:
      - logger.log: "Heating activated"
    min_heating_off_time: 1s
    min_heating_run_time: 1s

    idle_action:
      - logger.log: "Idle activated"
    min_idle_time: 1s

    # auto_mode:
    #   - select.set:
    #       id: season
    #       option: "Auto"

    off_mode:
      - if:
          condition:
            lambda: 'return id(fan_mode).state != "Standby";'
          then:
            - select.set:
                id: fan_mode
                option: "Standby"
    heat_mode:
      - if:
          condition:
            lambda: 'return id(season).state != "Winter";'
          then:
            - select.set:
                id: season
                option: "Winter"
    cool_mode:
      - if:
          condition:
            lambda: 'return id(season).state != "Summer";'
          then:
            - select.set:
                id: season
                option: "Summer"

    fan_mode_auto_action:
      - if:
          condition:
            lambda: 'return id(fan_mode).state != "Auto";'
          then:
            - select.set:
                id: fan_mode
                option: "Auto"
    fan_mode_quiet_action:
      - if:
          condition:
            lambda: 'return id(fan_mode).state != "Night";'
          then:
            - select.set:
                id: fan_mode
                option: "Night"
    fan_mode_low_action:
      - if:
          condition:
            lambda: 'return id(fan_mode).state != "Low";'
          then:
            - select.set:
                id: fan_mode
                option: "Low"
    fan_mode_high_action:
      - if:
          condition:
            lambda: 'return id(fan_mode).state != "High";'
          then:
            - select.set:
                id: fan_mode
                option: "High"
    min_fan_mode_switching_time: 1s

    target_temperature_change_action:
      # Sync temperature setpoint with changed thermostat dial
      - if:
          condition:
            lambda: "return id(airleaf_climate).mode == CLIMATE_MODE_COOL && id(airleaf_climate).target_temperature_high != id(target_temperature).state;"
          then:
            - number.set:
                id: target_temperature
                value: !lambda "return id(airleaf_climate).target_temperature_high;"
      - if:
          condition:
            lambda: "return id(airleaf_climate).mode == CLIMATE_MODE_HEAT && id(airleaf_climate).target_temperature_low != id(target_temperature).state;"
          then:
            - number.set:
                id: target_temperature
                value: !lambda "return id(airleaf_climate).target_temperature_low;"
    default_preset: home
    preset:
      - name: home
        fan_mode: auto
        default_target_temperature_low: 20 °C
        default_target_temperature_high: 25 °C
      - name: eco
        fan_mode: auto
        default_target_temperature_low: 19 °C
        default_target_temperature_high: 26 °C
      - name: comfort
        fan_mode: auto
        default_target_temperature_low: 21 °C
        default_target_temperature_high: 24 °C
      - name: sleep
        fan_mode: quiet
        default_target_temperature_low: 20 °C
        default_target_temperature_high: 25 °C
      - name: boost
        fan_mode: high
        default_target_temperature_low: 21 °C
        default_target_temperature_high: 24 °C

sensor:
  - platform: wifi_signal
    name: rssi
    update_interval: 60s

  - platform: modbus_controller
    name: Air Temperature
    id: air_temperature
    register_type: read
    address: 0
    # Prevent reading register at address 1 at the same time
    force_new_range: true
    unit_of_measurement: "°C"
    device_class: temperature
    state_class: measurement
    value_type: U_WORD
    accuracy_decimals: 1
    filters:
      - multiply: 0.1

  - platform: modbus_controller
    name: Water Temperature
    icon: "mdi:coolant-temperature"
    register_type: read
    address: 1
    force_new_range: true
    unit_of_measurement: "°C"
    device_class: temperature
    state_class: measurement
    value_type: U_WORD
    accuracy_decimals: 1
    filters:
      - multiply: 0.1

  - platform: modbus_controller
    name: Fan speed
    icon: "mdi:speedometer"
    register_type: read
    address: 15
    unit_of_measurement: "RPM"
    device_class: frequency
    state_class: measurement
    value_type: U_WORD

text_sensor:
  - platform: modbus_controller
    name: Status flags
    icon: "mdi:flag"
    entity_category: diagnostic
    register_type: read
    address: 104
    force_new_range: true
    raw_encode: HEXBYTES
    lambda: |-
      uint16_t value = modbus_controller::word_from_hex_str(x, 0);
      switch (value) {
        case 0: return std::string("No flags");
        case 1: return std::string("Cooling");
        case 2: return std::string("Heating");
        case 16: return std::string("Water T");
        case 64: return std::string("Bad water");
        case 256: return std::string("Away mode");
        case 512: return std::string("Alarm");
        case 1024: return std::string("Testing");
        case 2048: return std::string("Standby");
        case 8192: return std::string("H2 absent");
        default: return x;
      }
      return x;

  - platform: modbus_controller
    name: Alarm flags
    icon: "mdi:alert-circle-outline"
    entity_category: diagnostic
    register_type: read
    address: 105
    raw_encode: HEXBYTES
    lambda: |-
      uint16_t value = modbus_controller::word_from_hex_str(x, 0);
      switch (value) {
        case 0: return std::string("OK");
        case 1: return std::string("Comm");
        case 2: return std::string("Air probe");
        case 8: return std::string("Bad water");
        case 16: return std::string("Water probe");
        case 64: return std::string("HiZ");
        case 128: return std::string("Motor");
        case 256: return std::string("Grid");
        case 512: return std::string("Water T");
        case 1024: return std::string("Filter");
        default: return x;
      }
      return x;

  - platform: modbus_controller
    name: Relay status
    icon: "mdi:dip-switch"
    entity_category: diagnostic
    register_type: read
    address: 9
    #response_size: 1
    #offset: 1
    raw_encode: HEXBYTES
    lambda: |-
      uint16_t value = modbus_controller::word_from_hex_str(x, 0);
      switch (value) {
        case 0: return std::string("All off");
        case 1: return std::string("EV1");
        case 2: return std::string("EV2");
        case 3: return std::string("EV1|EV2");
        case 4: return std::string("Chiller");
        case 5: return std::string("Chiller|EV1");
        case 7: return std::string("Chiller|EV1|EV2");
        case 8: return std::string("Heater");
        case 9: return std::string("Heater|EV1");
        case 11: return std::string("Heater|EV1|EV2");
        default: return x;
      }
      return x;

number:
  - platform: modbus_controller
    id: target_temperature
    name: Temperature
    mode: slider
    icon: "mdi:thermometer"
    entity_category: config
    unit_of_measurement: "°C"
    device_class: temperature
    address: 231
    value_type: U_WORD
    min_value: 16.0
    max_value: 25.0
    step: 0.5
    # Read old value from register
    lambda: "return x * 0.1;"
    # Write new value to register
    write_lambda: "return x * 10;"
    on_value:
      # Sync thermostat dial with changed setpoint temperature
      then:
        - if:
            condition:
              lambda: 'return id(airleaf_climate).mode == CLIMATE_MODE_COOL;'
            then:
              - climate.control:
                  id: airleaf_climate
                  target_temperature_high: !lambda "return x;"
            else:
              - climate.control:
                  id: airleaf_climate
                  target_temperature_low: !lambda "return x;"

  - platform: modbus_controller
    name: Device Address
    mode: box
    icon: "mdi:id-card"
    entity_category: config
    address: 200
    force_new_range: true
    value_type: U_WORD
    min_value: 1
    max_value: 255
    step: 1
    lambda: "return x;"
    write_lambda: "return x;"

  - platform: modbus_controller
    name: Min heating water T
    mode: box
    icon: "mdi:thermometer-chevron-up"
    entity_category: config
    device_class: frequency
    address: 218
    force_new_range: true
    value_type: U_WORD
    min_value: 22.0
    max_value: 35.0
    step: 0.5
    lambda: "return x * 0.1;"
    write_lambda: "return x * 10;"

  - platform: modbus_controller
    name: Max cooling water T
    mode: box
    icon: "mdi:thermometer-chevron-down"
    entity_category: config
    device_class: frequency
    address: 219
    value_type: U_WORD
    min_value: 15.0
    max_value: 20.0
    step: 0.5
    lambda: "return x * 0.1;"
    write_lambda: "return x * 10;"

  # Minimum speed in MIN and Night mode (400)
  - platform: modbus_controller
    name: Min fan speed (Night)
    mode: box
    icon: "mdi:fan-speed-1"
    entity_category: config
    device_class: frequency
    address: 210
    force_new_range: true
    value_type: U_WORD
    min_value: 200
    max_value: 680
    step: 10
    lambda: "return x;"
    write_lambda: "return x;"

  # Maximum speed in Night Mode and Minimum in AUTO (550)
  - platform: modbus_controller
    name: Min fan speed
    mode: box
    icon: "mdi:fan-auto"
    entity_category: config
    device_class: frequency
    address: 211
    force_new_range: true
    value_type: U_WORD
    min_value: 300
    max_value: 1100
    step: 10
    lambda: "return x;"
    write_lambda: "return x;"

  # Maximum speed in MIN and Minimum in MAX (680)
  - platform: modbus_controller
    name: Min fan speed (MAX)
    mode: box
    icon: "mdi:fan-speed-3"
    entity_category: config
    device_class: frequency
    address: 212
    force_new_range: true
    value_type: U_WORD
    min_value: 400
    max_value: 1100
    step: 10
    lambda: "return x;"
    write_lambda: "return x;"

  # Maximum speed in AUTO (1100)
  - platform: modbus_controller
    name: Max fan speed
    mode: box
    icon: "mdi:fan-auto"
    entity_category: config
    device_class: frequency
    address: 213
    force_new_range: true
    value_type: U_WORD
    min_value: 550
    max_value: 1500
    step: 10
    lambda: "return x;"
    write_lambda: "return x;"

  # Maximum speed in MAX (1500)
  - platform: modbus_controller
    name: Max fan speed (MAX)
    mode: box
    icon: "mdi:fan-speed-3"
    entity_category: config
    device_class: frequency
    address: 214
    force_new_range: true
    value_type: U_WORD
    min_value: 550
    max_value: 1500
    step: 10
    lambda: "return x;"
    write_lambda: "return x;"

  # Maximum speed in MAX with Performance enabled (1700)
  - platform: modbus_controller
    name: Max fan speed (MAX Perf)
    mode: box
    icon: "mdi:fan-chevron-up"
    entity_category: config
    device_class: frequency
    address: 215
    value_type: U_WORD
    min_value: 550
    max_value: 1700
    step: 10
    lambda: "return x;"
    write_lambda: "return x;"

  # Maximum speed in MIN and Minimum in MAX with Performance enabled (920)
  - platform: modbus_controller
    name: Max fan speed (MIN)
    mode: box
    icon: "mdi:fan-speed-1"
    entity_category: config
    device_class: frequency
    address: 230
    force_new_range: true
    value_type: U_WORD
    min_value: 550
    max_value: 1500
    step: 10
    lambda: "return x;"
    write_lambda: "return x;"

  # Maximum speed in AUTO with Performance enabled (1220)
  - platform: modbus_controller
    name: Max fan speed (AUTO Perf)
    mode: box
    icon: "mdi:fan-chevron-up"
    entity_category: config
    device_class: frequency
    address: 234
    value_type: U_WORD
    min_value: 550
    max_value: 1500
    step: 10
    lambda: "return x;"
    write_lambda: "return x;"

  - platform: modbus_controller
    name: Air probe offset
    mode: box
    icon: "mdi:compare-vertical"
    entity_category: config
    address: 242
    force_new_range: true
    value_type: S_WORD
    min_value: -12
    max_value: 12
    step: 0.1
    lambda: "return x * 0.1;"
    write_lambda: "return x * 10;"

select:
  - platform: modbus_controller
    name: Fan mode
    id: fan_mode
    icon: "mdi:fan"
    entity_category: config
    address: 201
    force_new_range: true
    value_type: U_WORD
    optionsmap:
      "Auto": 0
      "Low": 1
      "Night": 2
      "High": 3
      "Standby": 128
    # Sync current option with register
    #lambda: "return {};"
    # Write (numeric) value to register
    #write_lambda: "return value;"
    # Sync climate component
    on_value:
      # Sync thermostat with changed fan mode
      then:
        - climate.control:
            id: airleaf_climate
            fan_mode: !lambda |-
              static std::map<std::string, climate::ClimateFanMode> mode_map {
                {"Auto", CLIMATE_FAN_AUTO},
                {"Low", CLIMATE_FAN_LOW},
                {"Night", CLIMATE_FAN_QUIET},
                {"High", CLIMATE_FAN_HIGH},
                {"Standby", CLIMATE_FAN_OFF}
              };
              return mode_map[x];

  - platform: modbus_controller
    name: Season
    id: season
    icon: "mdi:sun-snowflake"
    entity_category: config
    address: 233
    force_new_range: true
    value_type: U_WORD
    optionsmap:
      # "Auto": 0
      "Winter": 3
      "Summer": 5
    #lambda: "return {};"
    #write_lambda: "return value;"
    on_value:
      # Sync thermostat with changed season
      then:
        - climate.control:
            id: airleaf_climate
            mode: !lambda |-
              static std::map<std::string, climate::ClimateMode> mode_map {
                {"Winter", CLIMATE_MODE_HEAT},
                {"Summer", CLIMATE_MODE_COOL}
              };
              return mode_map[x];

switch:
  - platform: template
    name: Standby
    id: standby_switch
    icon: "mdi:power-standby"
    entity_category: config
    lambda: |-
      auto val = id(fan_mode).state;
      return val == "Standby";
    turn_on_action:
      - lambda: |-
          id(fan_mode_state) = id(fan_mode).state;
      - select.set:
          id: fan_mode
          option: "Standby"
    turn_off_action:
      - select.set:
          id: fan_mode
          option: !lambda |-
            return id(fan_mode_state);

  - platform: template
    name: Night mode
    icon: "mdi:weather-night"
    lambda: |-
      auto val = id(fan_mode).state;
      return val == "Night";
    turn_on_action:
      - select.set:
          id: fan_mode
          option: "Night"
    turn_off_action:
      - select.set:
          id: fan_mode
          option: "Auto"

  - platform: restart
    name: Restart

globals:
  - id: fan_mode_state
    type: std::string
    #initial_value: "Auto"