This integration uses the Viessmann ViCare integration for Home Assistant. Make sure the user has the Vitoconnect accessory installed and configured, and has created an account on the ViCare platform/app.
Next, follow the instructions here to add ViCare to Home Assistant.
homeassistant service.cd /config/automations and enter. Next, type in vi viessmann_heat_pump.yamland enter. A vi editor opens.Copy file contents.i key on your keyboard. In the bottom left corner, you will see an I appearing, meaning the vi editor is in insert mode.Paste. This copies the content from the source file into the editor.Esc key on your keyboard a few times. Now type :w and press Enter. Next, type :q and enter. This saves (writes) and closes (quits) the file.cd /config and enter. Type rm -f input_number.yaml and enter. Type vi input_number.yaml and enter. A new vi editor opens.Copy file contents.i key on your keyboard. Right-click in the vi editor and select Paste. This copies the content from the second source file into the editor.Esc key on your keyboard a few times. Now type :w and press Enter. Next, type :q and enter. You return to the terminal. You can close this now.Developer Tools. In the tab YAML, click on Check configuration. This should yield the message Configuration will not prevent Home Assistant from starting!.YAML configuration reloading, click on INPUT NUMBERS. This will reload the input numbers we just entered.AUTOMATIONS. This reloads the automations.Settings>Automations & Scenes. In the tab Automations, you should now see several automations with their name beginning with Viessmann heat pump.