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Northvent ECO A50-4 Pro


Single-room heat recovery units with Wi-Fi control. Maximum air capacity up to 50 m³/h.


Arrangement of efficient energy-saving supply and exhaust single-room ventilation in flats, houses, cottages, social and commercial premises. Air purification with optional F8 filter PM2.5 > 99 %. Protection from outdoor noise. Reducing heat losses caused by ventilation due to heat recovery. Humidity balance and regulated air exchange create individually controlled microclimate.
Warm stale air is extracted from the premise, flows through the ceramic regenerator and transfers its heat energy and moisture to it. As the ceramic regenerator gets warmed up, the unit switches to the supply mode. Clean cold intake air flows through the regenerator and absorbs accumulated heat and humidity. When the ceramic regenerator is cooled down, the unit switches to the extract air mode.
Control of the unit operation mode is performed by means of the sensor control panel.
One control panel with sensor buttons can control up to two units. Low voltage (12 V) power supply between control panel and Eco units.
The unit is designed for through-the-wall installation inside a prepared hole in an outer wall of the building. One unit is able to ventilate a room up to 25 m2. For bigger rooms two or more units must be installed.

Technical Data

ParametersECO A50-4 S11 Pro
ECO A50-4 S Pro
Voltage [V / 50 (60) Hz]100-240
Power [W]
Current [A]0.0170.0250.041
RPM [min⁻¹]91515552330
Air flow in ventilation mode [m³/h (l/s)]15 (4)30 (8)50 (14)
Air flow in heat recovery mode [m³/h (l/s)]8 (2)15 (4)25 (7)
FilterG3 (Option: F8 PM2,5 > 99 %*)
Transported air temperature [°C]-20(-30**) … +40
Outdoor sound pressure attenuation [dBA] according to DIN EN 20140212729
Regeneration efficiency [%] In accordance with DIBt LÜ-A 20121820
Sound pressure level at 1 m [dBA] In accordance with ISO 3741: 200441
Sound pressure level at 3 m [dBA] In accordance with ISO 3741: 2004up to 92
SEC Class A
Ingress protection ratingIP24
* maximum air flow 40 m3/h
** with ZL1 160/100 cartridge and AH-8 outer hood applied

Designation Key

ModelAir ductNominal air flow [m³/h]Internal grille typeHood typeControl
EcoA: round air duct504S11:plastic hood for standard walls
S: metal hood for thin walls
Pro: sensor control panel


ParameterECO A50-4 S Pro (1 speed)ECO A50-4 S Pro (2 speed)ECO A50-4 S Pro (3 speed)Measurement unit
Air flow in ventilation mode4814l/s
Air flow in heat recovery mode247l/s
Air flow in ventilation mode153050m³/h
Air flow in heat recovery mode81525m³/h
Sound pressure level at 1 m in accordance with ISO 3741:2004212729dBА
Sound pressure level at 3 m in accordance with ISO 3741:2004121820dBА
Temperature of transported air20(-30**) … +4020(-30**) … +4020(-30**) … +40°С
EC motoryesyesyes
Ingress protection ratingIP24IP24IP24
FilterG3 (Option: F8 PM2,5 > 99 %*)G3 (Option: F8 PM2,5 > 99 %*)G3 (Option: F8 PM2,5 > 99 %*)
Outdoor sound pressure attenuation in accordance with DIN EN 20140414141dBА
SEC classAAA
Mountingwall mountingwall mountingwall mounting
Heat recovery efficiency in accordance with DIBt LÜ-A 20up to 92up to 92up to 92%


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