Teaching-in ventilation unit
- Open the wibutler app and register as a service partner.
The welcome screen appears with the Home menu item activated.
![](../Images/png/368966539__en__Web.png)
- Select WS/WR KWL (KWL = CDV controlled domestic ventilation) and confirm with TEACH-IN.
![](../Images/png/368381323__en__Web.png)
You will receive the following message:
![](../Images/png/368471435__en__Web.png)
- Enter the type designation of the ventilation unit or the desired unit designation, for example WS 320 KB (central ventilation unit with preheating register, bypass and cross-counterflow heat exchanger) and confirm with Done.
- You can now assign the ventilation unit to a room. Confirm with Sort now.
- Name the room in the input field provided, for example cellar/utility room, and confirm with ASSIGN TO THIS ROOM.
- The following appears:
![](../Images/png/368481931__en__Web.png)
You have successfully completed the basic settings.