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10.5 Volumetric flow setting with
voltmeter
Alternatively, the volumetric flows for the
individual ventilation levels can be adjusted
using a voltmeter.
Supply air
Connector pin
Supply air volumetric flow setting
Connect the voltmeter (measurement
range U
1...10 V) to connector pins 1
DC
and 3 (GND).
Select the corresponding ventilation level 1,
2 or 3 at the room air control (operator
unit).
You can now set the defined voltage for the
required volumetric flow for the selected
ventilation level (1, 2 or 3) with one of the
blue potentiometer adjusters S1, S2 or S3.
You will find the defined voltage value
for the required volumetric flow in the
table in Chapter 10.3 (Predefined
voltage = f (volumetric flow)).
Blue adjuster S1 for the predefined
voltage for ventilation level 1
Blue adjuster S2 for the predefined
voltage for ventilation level 2
Blue adjuster S3 for the predefined
voltage for ventilation level 3.
Exhaust air
Exhaust air volumetric flow setting
Connect the voltmeter (measurement
range U
1...10 V) to connector
DC
pins 5 and 3 (GND).
Proceed exactly as described under
supply air volumetric flow setting and set
the defined voltage for the required exhaust
air volumetric flow with one of the red
potentiometer adjusters S1, S2 or S3.
Red adjuster S1 for the predefined voltage
for ventilation level 1
Red adjuster S2 for the predefined voltage
for ventilation level 2
Red adjuster S3 for the predefined voltage
for ventilation level 3.
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