Ventilator comprises heat pump unit, service and drinking water accumulator, heating water accumulator, electric heater, heat exchanger, closeable connections.

摘要

The heat-pump unit (4) heats a service water accumulator (17) which acts as drinking water accumulator (19), heating water store (20). An electric heating element acts as extra heater (27). At least one heat exchanger (28) heats the service water from an external heat source such as a solar heater, oven and or chimney. The structural unit (2) and the serve water accumulator are separable by re-closeable connections (32,33).