8
TERMINOLOGY
Term Explanation
CG, CHG, AGH
CG (Cooling Geo) is cooling of the supply air using brine, which circulates in pipes under ground.
CHG (Cooling Heating Geo) is cooling or pre-heating using brine, which circulates in pipes under
ground.
AGH (Air Ground Heat exchanger) is cooling or pre-heating using air, which ows in ducts under
ground.
after-heating After-heating warms the supply air after the heat recovery wheel. It ensures that the incoming
air is not too cold. After-heating can be realized with either an electrical or water coil. Suitable
temperature for the incoming air is 5°C less than the room temperature if no extra heating of the
room is desired.
click models New ceiling installation method for models Pingvin and Pandion.
eWind Control panel for managing the ventilation unit.
exhaust air (waste air) Air removed from house after-heat recovery.
extract air Outbound air ow from rooms.
Modbus Communication protocol that is used here for communication between ventilation unit and home
automation systems (+ possible accessories).
outside air Outside air supply to ventilation unit.
supply air Inbound air ow to rooms.
%RH Relative humidity percent that is used here for determining whether ventilation should be
boosted to remove excessive humidity.
active cooling Cooling created by a cooling unit included in some ventilation units.
cool recovery In the summer the rotating heat recovery wheel can cool the supply air, if the extract air is cooler
than the outside air. The function is automatic.
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