TEL AFA4000/2, Инструкция по установке и эксплуатации

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AFA4000/2 Airflow Monitor / p.93
Set up sub-menus by accident, press the
↑
and
↓
arrows together when the
password is requested to return to the Monitor Set up menu.
4. With the sash open to the normal operating height measure the face velocity using a
calibrated anemometer. Use the
↑
/
↓
buttons to enter the measured face velocity
then press Mute . The monitor samples the airflow for 5 seconds.
5. If the sample is accepted, lower the sash by half and measure the face velocity using a
calibrated instrument. Use the
↑
/
↓
buttons to enter the measured face velocity and
press Mute . The monitor samples the airflow for 5 seconds.
6. If the calibration is successful, the monitor returns to the Main Menu . Select Run to
go to normal operating mode and check the velocity reading is accurate and stable.
7. If the calibration is stable and accurate, press and hold the Mute button for 5 seconds
until the Main Menu is displayed.
8. Select Run to go to normal operating mode.
7.1.1 Possible messages
Message Reason Actions
Deviations too high Airflow sample is unstable. Follow the instructions to
repeat the sample or quit the
calibration.
Increase higher airflow
sample Second sample value is too
close to the first sample
value. Close the sash slightly and
repeat the higher sample. The
minimum difference between
the samples that the controller
will accept is 0.3m/sec
(60fpm).
Sensor diff too low The monitor does not detect
any difference in the sensor
output between the 2
airflow samples. Check that the sensor hose is
connected and repeat the
calibration.