Created by Bjoern Tore Hovda

Web interface for SystemAir residential HVAC units VTR

The modbus driver is based on this repository: https://github.com/wimpy87/sambus. (Thank you Atle!!)

Important: will be accessible for everyone on the Wifi.

screenshot: https://drive.google.com/open?id=0B3Eq5NUU1ZDPNW1RTjlTem5nbkk

My Setup/requriments Raspberry Pi

• Wifi dongle or ethernet cable
• 'USB to modbus converter' connected to my Systemair residental unit.

Installation:

1. Install flask sudo apt-get install python3-flask

2. Customize SystemAir_Web.py with unit name and IP adress of your raspberry Pi.

3. Run SystemAir_Web.py

4. Web interface will now be accessible via web browser (http://YOUR_RASPBERRY_IP:8040/)

For Autostart on each reboot use systemd or supervisor.

systemd tutorial: http://www.raspberrypi-spy.co.uk/2015/10/how-to-autorun-a-python-script-on-boot-using-systemd/ (instead of myscript.py use SystemAir_Web.py)