Dimensions and technical data 100-240 V ~ 50/60 Hz Single-room ventilation unit with ceramic core for heat recovery Housing color: white Nominal pipe diameter: 100 mm Power: 1 / 1.6 / 3 W Power consumption: 0.02 / 0.03 / 0.04 A Air flow rate in ventilation mode: 8 / 16 / 25 m³/h Air flow rate in recovery mode: 4 / 8 / 13 m³/h Sound pressure level Lp-3m: 10 / 16 / 23 dB(A) Sound pressure level Lp-1m: 20 / 26 / 33 dB(A) Air flow temperature: -15°C to +40°C Heat recovery efficiency: ≤ 81% Protection type: IP24 Protection class: II Weight: 3 kg Front panel: 250 x 250 mm Outer panel: 220 x 231 mm Telescopic tube: Ø 103 mm x 152 - 500 mm Wall cutout diameter: 120 mm Automatic closing flap Integrated humidity sensor Includes G3 filter Includes remote control and control panel on the unit: 3 speeds / off, night mode, natural ventilation, permanent ventilation, air supply, heat recovery Smart home remote control via Vents Home app (Apple App Store, Google Play Store) Heat recovery mode: two cycles alternate after 70 seconds: Cycle I: Warm air is extracted from the room, the exhaust air is heated and humidifies the heat storage tank. Cycle II: Fresh outside air flows over the heat storage tank, extracting the stored heat and humidity until the room temperature is reached. Supplied without cable