AUTO
AUTO
Hold
Max/Min
Vol
P1
→
P2
[Pa]
P3
→
P4
[m
3
]
[Pa]
[m
3
]
Einstellwerte / Calibration / Calibrazione
Installation and operating instructions profi-air 250/360 flex
54
Step
Procedure
10a
Adjust the required supply air volume.
To do so, adjust the performance of the supply air fan using the integrated con-
trol panel until the measured pressure loss equals the established pressure loss.
Press and hold the “Summer bypass” button and press the “Weekly pro-
gramme / Automatic mode” button to increase the air volume gradually.
Press and hold the “Summer bypass” button and press the “Manual ventilation
mode” button to decrease the air volume gradually.
Pressing the button generates a short acoustic signal. A long acoustic signal
indicates that the upper or lower end of the setting option has been reached.
Note:
After adjusting the fan speed, wait for approx. two minutes until the fan
operation becomes stable again.
Increase supply air volume
Decrease supply air volume
10b
Adjust the required supply air volume.
To do so, press the “NEXT” button until the “Nominal speed” setting regulator
is displayed with a green frame.
To set the supply air volume, adjust the setting regulator until the determined
pressure loss equals the measured pressure loss.
Note:
After adjusting the fan speed, wait for approx. two minutes until the fan
operation becomes stable again.
11
Set the defaults for the air outlets by:
n
setting the disc valves
n
setting the airflow restrictors
n
when using constant airflow regulators, no additional settings are required
Measure / check the air volumes per room by means of the impeller anemometer
and create an air volume measurement protocol.
12
Enter the final settings (fan speed / pressure loss over the heat exchanger /
air volume) for supply and extract air under the diagram on the ventilation unit.
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