2024.12.5
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STIEBEL ELTRON

The stiebel_eltron integrationIntegrations connect and integrate Home Assistant with your devices, services, and more. [Learn more] lets you control integral ventilation or heat pump units of STIEBEL ELTRON.

It requires the following components:

Supported units

By now, the following units are tested:

  • LWZ 504e
  • LWZ 304
  • LWZ 304 Trend

HVAC modes

The following HVAC modes are supported. The STIEBEL ELTRON modes are mapped and configurable as follows:

  • Auto (HVAC_MODE_AUTO): Automatic mode
  • Manual (HVAC_MODE_HEAT): Manual mode
  • Off (HVAC_MODE_OFF): DHW mode (domestic hot water mode, heating is switched off)

Preset modes

The following preset modes are supported. The STIEBEL ELTRON modes are mapped and configurable as follows:

  • Eco mode (PRESET_ECO)
  • Day mode (PRESET_DAY)
  • Setback mode (PRESET_SETBACK)
  • Emergency mode (PRESET_EMERGENCY)

Configuration

To enable this integration, add the following lines to your configuration.yamlThe configuration.yaml file is the main configuration file for Home Assistant. It lists the integrations to be loaded and their specific configurations. In some cases, the configuration needs to be edited manually directly in the configuration.yaml file. Most integrations can be configured in the UI. [Learn more] file. After changing the configuration.yamlThe configuration.yaml file is the main configuration file for Home Assistant. It lists the integrations to be loaded and their specific configurations. In some cases, the configuration needs to be edited manually directly in the configuration.yaml file. Most integrations can be configured in the UI. [Learn more] file, restart Home Assistant to apply the changes. The integration is now shown on the integrations page under Settings > Devices & services. Its entities are listed on the integration card itself and on the Entities tab.

# Example configuration.yaml entry
stiebel_eltron:
  name: LWZ504e

Configuration Variables

Looking for your configuration file?
name string (Optional, default: Unnamed Device)

Displayed name of the unit.

hub string (Optional, default: default)

The name of the hub where this slave is located.

Important

This integration requires the Modbus integration to be set up to work

Full configuration example including modbus setup shown below:

# Full example configuration.yaml entry
modbus:
  type: tcp
  host: YOUR_ISGWEB_IP
  port: 502

stiebel_eltron:
  name: LWZ504e

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