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Construction and Function
Operating Modes
4.6 Operating Modes
The unit provides the following ventilation functions.
Filters room air The secondary air drawn from the room passes through the
lterandiscleanedinlinewiththeltergrade(G2/F5/F7).
Heats room air Secondaryairpassesthroughtheheatexchangerlledwith
LPHW. Depending on the water temperature, the secondary air
is heated up and fed back into the room.
Cools room air Secondaryairpassesthroughtheheatexchangerlledwith
CHW. Depending on the water temperature, the secondary air
is cooled and fed back into the room.
Dehumidiesroomair If secondary air with a high relative humidity is cooled at a
lowerwatertemperature,thesecondaryairdehumidieson
the heat exchanger. The „dried“ air is then fed back into the
room.
Sekundärluft
Fig. 15: Operation (diagram)
Room
Secondary air