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Paul Novus 300 - RS-485

Validate with HACS validation

This component has been created to be used with Home Assistant. This is a custom component for home assistant.

Home Assistant HACS component to readout values from a Paul Novus 300 ventilation system.

It allows read the temperatures, the bypass/heat recovery mode and the defroster state key from the Paul Novus 300 air ventilation. Its necessary to connect the ventilation system bus network, to a usb rs-485 stick. So an additional hardware is needed.

The Novus300-RS485 integration lets you read out values from a ventilation system. It is used by manufacturers and model such as:

  • Paul Novus 300

Configuration

To enable this component, add the following lines to your configuration.yaml file:

- platform: novus300bus
  serial_port: /dev/ttyUSB0
  # optional:
  # baudrate: 9600
  # name: ...

Note: Not all data received by the this controller is understood by now as the protocol is not publicly documented.

Sensor

This sensor allows you to monitor the following status values:

  • novus300_temp_house_air_out
  • novus300_temp_indoor
  • novus300_temp_indoor_in
  • novus300_temp_outdoor

TODO Sensors:

  • novus300_heat_recovery
  • Filter days

Todo

  • Remove hardcoded sensors and read them as config
  • Add filter time as sensor
  • Add project to hacs
  • Add dokumentation how to connect USB RS-485