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14.1 Fan setpoints
The air flow rate, duct pressure, fan stage or fan speed is set via this page of the display; depending
on the operating mode, more or less or no settings can be changed.
14.1.1
Operating mode of the fan control
The fan control has 3 possible operating modes; the operating mode is set during the commission-
ing and cannot be changed.
Airflow rate control
At the airflow rate control, one setpoint for economy, comfort mode and night setback will be set
separately for supply and return air. Thus, it can be adjusted as desired overpressure (supply air-
flow > return airflow) or a negative pressure (supply airflow < return airflow). The setting is made in
m³ / h. The last 2 lines show the current setpoints for the fan control.
If an air quality control by means of the airflow rate is active, the maximum airflow rate for poor air
quality can also be set. The resulting airflow rate is then the maximum of the setpoint for economy /
comfort mode and air quality control. Thus, the selected airflow rate is always adhered and in-
creases due to poor air quality. The setting is made in the menu Air quality, which can be entered
directly.
If the dehumidification by means of the airflow rate is active, the maximum airflow rate for high hu-
midity can also be set. The resulting airflow rate is then the maximum of the setpoint for economy /
comfort mode and the dehumidification control. Thus, the selected flow rate is always adhered and
increases due to high room humidity. The setting is made in the menu Humidity, which can be en-
tered directly.
66/115
Setpoints/settings
Flow rate
Temperature
Humidity
Air quality
Night setback
Figure 89: Setpoints/settings
Fan setpoints
Supply Eco
Supply Comfort
Return Eco
Return Comfort
Night setback
-----------------------------
Supply set
Figure 90: Airflow rate control
1/4
1/6
2500m3/h
5000m3/h
2500m3/h
5000m3/h
0m3/h
V07-19.0
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