Features

Ventilation unit with passive house approval and heat recovery efficiency over 79%. With cross counterflow heat exchanger incl. infinitely variable summer bypass with 100% heat exchanger 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 selectable between constant volume or constant pressure. Integrated electric pre-heating battery for extremely cold seasons. To achieve a constant supply air temperature, a WW after-heating battery is installed and controlled via the unit control system by means of an optionally available WW control unit WHSH 1100 24V (0-10V). Externally installed exhaust air and fresh air dampers can be connected and controlled. The unit can be set to standby mode via an external switch. In addition, there is a contact for fire protection mode and an additional contact for external control. A CO2 or a humidity sensor can be connected to operate the unit as required.