Control buttons

Operating mode: Continuous ventilation with heat recovery (PushPull operation). All ventilation units connected to the RLS 45 K operate with heat recovery.

RLS 45 K: 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).

RLS 45 K: Operating mode active when button LED lights up.

Ventilation level setting buttons.

RLS 45 K: Associated ventilation level LEDs light up (LED display with the 3 vertical LEDs, depending on the LED combination level 0 to 5).