ExternalSensor reads socket for Vitotronic® protocol data of Viessmann heat pumps.

Prerequisite
To use this application a communication device (a serial-wifi adapter) will be needed that presents the data read from standard serial RS232 port [of the Viessmann heat pump] to a network socket.

Features:
- Reads and displays heating inlet and outlet temperature at the heat pump.
- Reads and displays air inlet and outlet temperature at the heat pump.
- Reads and displays outdoor temperature.
- Reads and displays hot water temperature.
- Reads and displays status of the compressor, the heat and hot water circuit pump.
- Displays temperature in Celsius or Fahrenheit units.
- English, German and Hungarian language support.

Currently supporting Viessmann heat-pump typeID 2049 (source/more info: http://openv.wikispaces.com)