Features

Ventilation unit with passive house approval and heat recovery efficiency above 80%. With cross-countercurrent heat exchanger incl. stepless summer bypass with 100% heat recovery coverage and maintenance-free EC fans. Operation via modern touch panel, incl. weekly programme, calibration menu, password-protected service menu and much more. The KWL ceiling unit can also be integrated into the building management system via the standard ModBus protocol. Ventilation mode can be selected between constant volume or constant pressure. Integrated electric pre-heater battery for extremely cold seasons. In order to achieve a constant supply air temperature, a WW post-heater battery is installed and is regulated by the device control by means of an optionally available WW control WHSH HE 24V (0-10V).Externally installed outgoing air and outside air flaps can be connected and controlled. The unit can be switched to standby mode via an external switch. In addition, a contact for fire protection mode and an additional contact for external control are available. Optionally, a CO2 or humidity sensor can be connected to operate the unit as needed.