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