RLS 1 WR control unit (scope of delivery)
![](../Images/png/9007199450061451__Web.png)
With functions on/off, 4 ventilation levels, filter change and fault indicator. The RLS 1 WR can be combined with up to 4 further RLS 1 WR, connected in parallel → Operation with RLS 1 WR. Auto sensor operation only possible when using a single RLS 1 WR.