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Interface with a StorkAir WHR930 on Domoticz

Publish every 10 seconds the status on a MQTT Domoticz/in topic Listen on MQTT topic for commands to set the ventilation level

Version 0.8 by albert[@]hakvoort[.]co

[based on code from Mosibi]

todo :

  • set bypass temperature
  • check on faulty messages
  • serial check

The following packages are needed:

  • sudo apt-get install python3-serial python3-pip python3-yaml

  • sudo pip3 install paho-mqtt

Add the following dummy Devices in Domoticz :

  • OutsideAirTemp # temperature

  • SupplyAirTemp # temperature

  • ReturnAirTemp # temperature

  • ExhaustAirTemp # temperature

  • IntakeFanSpeed # text

  • ExhaustFanSpeed # text

  • IntakeFanRPM # text

  • ExhaustFanRPM # text

  • IntakeFanActive # text

  • FanLevel # text

  • Filter # text

  • Selector # selector 0=auto 10=away 20=low 30=middle 40=high !! Depends on model/CO2 sensor etc !!

After installing the dependencies, clone this repository and modify the settings in src/whr930.py and run sudo make install.

$ git clone https://github.com/AlbertHakvoort/StorkAir-Zehnder-WHR-930-Domoticz-MQTT.git

$ vi src/whr930.py

$ sudo make install

edit the whr930.py and fill the IDX's, serialport and MQTTserver address.

  • SerialPort='/dev/YPort' # Serial port WHR930
  • MQTTServer='127.0.0.1' # IP MQTT broker

To test if everything is working fine :

python3 /usr/local/bin/whr930.py

To start the whr930 as service :

$ sudo systemctl start whr930.service

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Control your WHR930 with Domoticz using MQTT

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