Vallox MQTT bridge

Publishes metrics of your Vallox ventilation unit to an MQTT broker and configures the unit via MQTT commands.

Configuration

fetch_interval: 300

vallox:
  unit:
    host: 10.4.35.232
    port: 80
  
mqtt:
  broker:
    host: 10.4.32.103
  base_topic: ventilation/unit/1
  client_id: my-client-id

metrics:
  - A_CYC_FAN_SPEED
  - A_CYC_TEMP_EXTRACT_AIR
  - A_CYC_TEMP_EXHAUST_AIR
  - A_CYC_TEMP_OUTDOOR_AIR
  - A_CYC_TEMP_SUPPLY_CELL_AIR
  - A_CYC_TEMP_SUPPLY_AIR
  - A_CYC_RH_LEVEL
  - A_CYC_CO2_LEVEL
  - A_CYC_EXTR_FAN_SPEED
  - A_CYC_SUPP_FAN_SPEED
  - A_CYC_RH_VALUE

Topics

profiles/get

> ventilation/unit/1/profiles/get (null)  

ventilation/unit/1/profiles/value {"NONE":0,"HOME":1,"AWAY":2,"BOOST":3,"FIREPLACE":4,"EXTRA":5}

profile/get

> ventilation/unit/1/profile/get (null)  

ventilation/unit/1/profile/value 2

profile/set

> ventilation/unit/1/profile/set 2

values/set

> ventilation/unit/1/values/set { "A_CYC_HOME_SPEED_SETTING": 35 }

metrics/get

> ventilation/unit/1/metrics/get ["A_CYC_HOME_SPEED_SETTING", "A_CYC_AWAY_SPEED_SETTING"]  

ventilation/unit/1/metric/A_CYC_HOME_SPEED_SETTING/value 35
ventilation/unit/1/metric/A_CYC_AWAY_SPEED_SETTING/value 10

Docker

Build

docker buildx build --platform=linux/arm/v7,linux/arm64,linux/amd64 -t mruettgers/vallox-mqtt-bridge .

To push to the registry add --push.

Run

docker run -v config.yml:/config/vallox-mqtt-bridge.yml mruettgers/vallox-mqtt-bridge

Credits

• vallox api (Javascript API for Vallox ventilation units by Daniel Bayerlein)

License

Distributed under the MIT license.
See LICENSE for more information.