Helios Ventilatoren 9957 Heat recovery unit

Installation device with heat recovery for the ventilation of individual rooms. Aluminium plate heat exchanger with degree of efficiency of over 70%. Most modern EC motors with highest efficiency for extremely low power consumption. Device unit with 4 power settings, air inlet and outlet operation, and interior facade made of high quality plastic. With humidity sensor for ventilation as per your requirement. Fan housing (material: EPP) with 2 high-efficiency, power-saving DC EC fans, two electric stainless steel exterior flaps with fly screen provide air-tight sealing to the outside during downtimes. The doors open automatically in the event of a power failure, for example. Large-area aluminum plate heat exchanger with an efficiency of over 70 %. Two efficient air filters made of electrostatic material of class G4 in the supply and exhaust flow guarantee the best air purity. An optional pollen filter F7 (Accessories: No. 9446) is provided on the air side. required. The condensate is transferred directly through the outer cover including drip plate into the open. Power control via supplied control element KWL BCU including weekly timer and extensive functions.

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