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Page 119
TITANUS
PRO·SENS
®
TECHNICAL MANUAL
7.1.1
Adjustment independent of the air pressure
Fig. 7.2: Adjustment independent of the air pressure of the air flow sensor of
TITANUS PRO · SENS
®
1. Make sure the device has been in operation for at least 30 minutes.
2. Check the voltage at the measuring points MP1 (+) and MP4 (-). Pay
attention to the polarity. Choose the "V-DC" range of the measuring device.
The standard voltage at the measuring points is 1.2 V.
3. If this is not the case, set the trimming potentiometer R53 to this value by
means of a small screwdriver.
4. Press the Flow-Init-button S2 on the detector module of TITANUS
PRO·SENS
®
(refer to Fig. 7.).
5. After pressing button S2, close the housing of TITANUS
PRO · SENS
®
.
The learning phase of TITANUS
PRO·SENS
®
is about 5 seconds. During this
phase the alarm detection is fully functional, the operating-LED flashes and
changes of the air flow are not allowed. After the initialization the operating-LED
lights permanently and the air flow sensor has determined its current value for
the connected pipe system.