Product Description

The high-tech ceramic energy accumulator with regeneration efficiency up to 97 % ensures extract air heat recovery for warming of supply air flow. Due to the cellular structure the unique regenerator has a large air contact surface and high heat-conducting and heat-accumulating properties. The ceramic regenerator is treated with an antibacterial composition which prevents bacteria growth inside of the energy regenerator. The antibacterial properties last for 10 years.

The two integrated air filters with total filtration rate G3 provide supply and extract air filtration. The filters prevent ingress of dust and insects into the supply air and contamination of the ventilator parts. The filters also have antibacterial treatment. The filter cleaning is done with a vacuum cleaner or water flushing. The antibacterial solution is not removed. F8 filter is available as a specially ordered accessory, but when installed, it reduces the air flow down to 40 m3/h.

The reversible axial fan with a DC motor and power supply voltage of 12 V serves for air supply and exhaust. Due to the applied DC technology the fan is featured with low power consumption. The fan motor has integrated thermal overheating protection and ball bearings for long service life.


  • Provide fresh air supply
  • Extract stale air from the room
  • Prevent excessive indoor humidity and mould build-up
  • Maintain heat regeneration and indoor humidity balance
  • Reduce heating and air conditioning costs

Download Brochure for CATALOUG DRL7-50-17

Operation modes

  • Ventilation mode. The ventilator runs in the air extract or air supply mode with a set speed. In case of synchronous operation of two connected ventilators one unit operates in the supply mode and the other one in the extract mode.
  • Regeneration mode. The ventilator runs in two cycles, 70 seconds each, to provide heat and moisture regeneration.
  • Set timers that allow you to make temporary changes to the current ventilation program
  • Configure the unit (installer)
  • Fill in a measurement report and register the unit (installer)
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