vaillant.yaml

esphome:
  name: vaillant
  includes:
    - vaillantx6.h

esp32:
  #board: az-delivery-devkit-v4
  board: esp32dev
  framework:
    #type: arduino
    type: esp-idf

debug:
  update_interval: 10s

# Enable logging
logger:

syslog:
    ip_address: !secret syslog_ip_address
    port: !secret syslog_port

# Enable Home Assistant API
api:
  encryption:
    key: !secret api_encryption_key

ota:
  password: !secret ota_password

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Vaillant Fallback Hotspot"
    password: !secret ap_password

#captive_portal:

switch:
  - platform: restart
    name: "Vaillant Restart"

text_sensor:
  - platform: debug
    reset_reason:
      name: "Reset Reason"

sensor:
  - platform: uptime
    id: vaillant_uptime
    name: Vaillant Uptime
    unit_of_measurement: "s"
  - platform: wifi_signal
    id: wifi_signal_percent
    name: "WiFi Signal"
    # wifi_signal is reported as signal strength/RSSI in dB
    # convert to percent via filter
    filters:
      - lambda: return min(max(2 * (x + 100.0), 0.0), 100.0);
    unit_of_measurement: "%"
    update_interval: 60s
    entity_category: "diagnostic"
    device_class: ""
  - platform: debug
    free:
      name: "Heap Free"
    block:
      name: "Heap Max Block"
    loop_time:
      name: "Loop Time"
  # Vaillant stuff
  - name: "Vorlauf ist"
    id: vaill0
    platform: template
    unit_of_measurement: "°C"
    update_interval: 10s
    lambda: "return {};"
  - name: "Vorlauf set"
    id: vaill1
    platform: template
    unit_of_measurement: "°C"
    update_interval: 10s
    lambda: "return {};"
  - name: "Vorlauf soll"
    id: vaill2
    platform: template
    unit_of_measurement: "°C"
    update_interval: 10s
    lambda: "return {};"
  - name: "Vorlauf 789 soll"
    id: vaill3
    platform: template
    unit_of_measurement: "°C"
    update_interval: 10s
    lambda: "return {};"
  - name: "Rücklauf ist"
    id: vaill4
    platform: template
    unit_of_measurement: "°C"
    update_interval: 10s
    lambda: "return {};"
  - name: "Brauchwasser ist"
    id: vaill5
    platform: template
    unit_of_measurement: "°C"
    update_interval: 10s
    lambda: "return {};"
  - name: "Brauchwasser soll"
    id: vaill6
    platform: template
    unit_of_measurement: "°C"
    update_interval: 10s
    lambda: "return {};"
  - name: "Verbleibende Brennsperrzeit"
    id: mvaill0
    platform: template
    unit_of_measurement: "min"
    update_interval: 10s
    accuracy_decimals: 0
    lambda: "return {};"
  - name: "Used as input sensor for the PID component"
    id: pid_vorlauf_input
    internal: true
    platform: copy
    source_id: vaill3
    unit_of_measurement: "°C"
    filters:
      - median:
          window_size: 3
          send_every: 1

binary_sensor:
  - name: "Brenner"
    id: bvaill0
    platform: template
    lambda: "return {};"
  - name: "Winter"
    id: bvaill1
    platform: template
    lambda: "return {};"
  - name: "Pumpe"
    id: bvaill2
    platform: template
    lambda: "return {};"

custom_component:
- lambda: |-
    auto vx6 = new Vaillantx6(id(x6_uart),
                              id(vaill0),id(vaill1),id(vaill2),id(vaill3),
                              id(vaill4),id(vaill5),id(vaill6),
                              id(bvaill0),id(bvaill1),id(bvaill2),
                              id(mvaill0));
    App.register_component(vx6);
    return {vx6};

climate:
  - platform: pid
    id: vaillant_pid
    name: "PID Vorlauf"
    sensor: pid_vorlauf_input
    heat_output: vaillant_789
    default_target_temperature: "50°C"
    visual:
      min_temperature: 20
      max_temperature: 80
      temperature_step: 1
    control_parameters:
      output_averaging_samples: 3
      # No Overshoot PID
      kp: 0.00460
      ki: 0.00046
      kd: 0.02878
    deadband_parameters:
      threshold_high: 0.9°C
      threshold_low: -0.9°C
      kp_multiplier: 0.0   # proportional gain turned off inside deadband
      ki_multiplier: 0.05  # integral accumulates at only 5% of normal ki
      kd_multiplier: 0.0   # derviative is turned off inside deadband
      deadband_output_averaging_samples: 15   # average the output over 15 samples within the deadband

uart:
  id: x6_uart
  tx_pin: GPIO17
  rx_pin: GPIO16
  baud_rate: 9600

output:
  - platform: ledc
    pin: GPIO27
    id: vaillant_789
    frequency: 30kHz
    zero_means_zero: true
    min_power: 0.1
    max_power: 0.8