Dimensions and technical data220-240 V ~ 50 HzSingle room ventilation system for heat recoveryHousing colour: whitePipe nominal diameter: 100 mmSteps: 2Power: 1.5 / 2 Thermal capacity: 35 / 50 m³/hHeat recovery: 37%Sound pressure Lp-3m: 32 / 36 dB(A)Conveying temperature: -20°C to +40°CProtection type: IPX4 Splash protectionProtection class: IIweight: 1.5 kgFront panel: 160 x 160 x 25 mmOuter panel: 190 x 190 x 86 mmTelescopic tube: Ø 103 mm x 335 - 540 mmincluding filterincluding remote control: 2 speeds/offHeat recovery mode: two cycles alternate after 60 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 moisture until the room temperature is reached.