Home Assistant

KNX Climate

The knx climate platform is used as in interface with KNX thermostats.

The knx component must be configured correctly, see KNX Component.

To use your KNX thermostats in your installation, add the following lines to your configuration.yaml file:

# Example configuration.yaml entry
climate:
   - platform: knx
     name: HASS-Kitchen.Temperature
     temperature_address: '5/1/1'
     setpoint_shift_address: '5/1/2'
     setpoint_shift_state_address: '5/1/3'
     target_temperature_address: '5/1/4'
     operation_mode_address: '5/1/5'

Alternatively, if your device has dedicated binary group addresses for frost/night/comfort mode:

# Example configuration.yaml entry
climate:
  - platform: knx
    name: HASS-Kitchen.Temperature
    temperature_address: '5/1/1'
    setpoint_shift_address: '5/1/2'
    setpoint_shift_state_address: '5/1/3'
    target_temperature_address: '5/1/4'
    operation_mode_frost_protection_address: '5/1/5'
    operation_mode_night_address: '5/1/6'
    operation_mode_comfort_address: '5/1/7'

Configuration variables:

  • name (Optional): A name for this device used within Home Assistant.
  • temperature_address: KNX group address for reading current room temperature from KNX bus.
  • target_temperature_address: KNX group address for reading current target temperature from KNX bus.

The knx component sets the desired target temperature by modifying the setpoint_shift. The module provides the following configuration options:

  • setpoint_shift_address: (Optional) KNX address for setpoint_shift
  • setpoint_shift_state_address: (Optional) Explicit KNX address for reading setpoint_shift.
  • setpoint_shift_step: (Optional) Defines for step size in Kelvin for each step of setpoint_shift. Default is 0.5 K.
  • setpoint_shift_min: (Optional) Minimum value of setpoint shift. Default is “-6”.
  • setpoint_shift_max: (Optional) Maximum value of setpoint shift. Default is “6”.

The operation modes may be controlled with the following directives:

  • operation_mode_address (Optional): KNX address for operation mode (Frost protection/night/comfort).
  • operation_mode_state_address (Optional): Explicit KNX address for reading operation mode
  • controller_status_address (Optional): KNX address for HVAC controller status (in accordance with KNX AN 097/07 rev 3)

  • controller_status_state_address (Optional): Explicit KNX address for reading HVAC controller status

  • operation_mode_frost_protection_address (Optional): KNX address for switching on/off frost/heat protection mode.
  • operation_mode_night_address (Optional): KNX address for switching on/off night mode.
  • operation_mode_comfort_address (Optional): KNX address for switching on/off comfort mode.

operation_mode_frost_protection_address / operation_mode_night_address / operation_mode_comfort_address are not necessary if operation_mode_address was specified.