PP 45 O / PP 45 K / PP 45 RC

In heat recovery mode, PP 45 ventilation unit pairs switch alternately between supply air and exhaust air mode every 60 seconds. This ensures alternate ventilation and air extraction.

In cross-ventilation mode (without heat recovery), the ventilation units work permanently in one direction in supply air or exhaust air mode.

If a humidity, CO2 or air quality sensor (VOC) is connected to a room air control, demand-driven automatic operation with sensor control can be manually activated. Depending on the sensor values measured (H, CO2, VOC), the volumetric flow of the units is gradually adjusted. The set operating mode is retained.