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Automatic
CasaConnect KNX Control Center
• Version: 13.09.2021 • Technical changes and errors excepted.
CO2 (carbon dioxide):
Shows the CO
2
concentration from which ventilation is active. The setting is only active
if an indoor sensor with CO
2
sensor is selected. Touch the field to adjust the CO
2
value.
Select
OFF
if the ventilation should be on irrespective of the CO
2
concentration.
Switch to
ON
in order to set the CO
2
concentration range. At the start value, ventilation
begins at the smallest preset speed. The speed increases to the second value (maxi-
mum speed).
Default setting: Start above 1000 ppm, end below 700 ppm.
VOC (mixed gas):
Shows the VOC concentration from which ventilation is active. The setting is only ac-
tive if an indoor sensor with VOC sensor is selected. Tap the field to adjust the VOC val-
ue.
Select
OFF
if the window should not react to VOC value of the indoor air (default).
Switch to
ON
in order to set the VOC concentration range.
Default setting: Open above 1000 ppm, close below 700 ppm.
Ventilation intensity:
Shows the minimum and maximum ventilation intensity. The ventilation intensity de-
pends on the difference between current value and setpoint and the following factors:
Temperature, relative humidity and CO2/VOC content. If the minimum ventilation in-
tensity is set to 20%, for example, but the difference between the actual value and set-
point is very low and only requires 10% ventilation, the ventilation jumps automatically
to the minimum ventilation intensity set here (20%). Corresponding to the maximum
ventilation intensity.
Default setting: Start ventilation at 10% and increase to maximum of 80%.
Exhaust intensity (exhaust units):
For exhaust units, shows the speed range for automatic exhaust air. Touch the field
and set the start and maximum values.
The higher the indoor temperature, humidity (and CO
2
) above the set values, the faster
the fan.
Ventilation intensity heating (fan heaters):
For fan heaters, shows the speed range for automatic heating. Touch the field and set
the intensity.
