The Helios Fans KWL 500 W R is a compact ventilation system designed for balanced air exchange in residential buildings and apartments. It features high-efficiency heat recovery through a plastic heat exchanger and energy-saving EC fans. The unit comes with ISO Coarse 65% (G4) filters for both supply and exhaust air as standard, with an optional ISO ePM1 50% (F7) fine filter available for integration into the system.
Filter maintenance is simple, with tool-free replacement. The unit incorporates the advanced Helios easyControls3 system, allowing for operation through an external control panel or via a built-in LAN interface on a PC, laptop, or mobile device. Remote operation via cloud is also supported.
A built-in humidity sensor and optional external air quality sensors allow for automatic, demand-based ventilation. Integration into building management systems is facilitated by a Modbus/RTU interface, with an optional KNX module available. This model is configured as a right-hand version.