Control buttons

Operating mode: Continuous ventilation with heat recovery (PushPull operation). All ventilation units connected to the RLS operate with heat recovery.

Operating mode active when button LED lights up.

Operating mode: Cross-ventilation without heat recovery (supply air mode: ventilation, summer operation, PPB 30 exhaust air mode).

Operating mode active when button LED lights up.

Ventilation level setting buttons. The corresponding ventilation level LEDs light up on the RLS 45 K (LED display with the 3 vertical LEDs, depending on the LED combination level 0 to 5).