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.
Summary of Contents for AFA4000/2
Page 1: ...AFA4000 2 Airflow monitor Installation and operating manual Issue 1 ...
Page 50: ...AFA4000 2 Airflow Monitor p 50 Figure 21 AFA4000 2 typical connection diagram ...
Page 51: ...AFA4000 2 Airflow Monitor p 51 Figure 22 AFA4000 2 AS typical connection diagram ...
Page 52: ...AFA4000 2 Airflow Monitor p 52 5 4 Dimensions Figure 23 AFA4000 2 and AFA4000 2 AS dimensions ...
Page 53: ...AFA4000 2 Airflow Monitor p 53 Figure 24 SM7 airflow sensor dimensions ...
Page 90: ...AFA4000 2 Airflow Monitor p 90 6 10 Auto Sash System Control Box general wiring diagram ...
Page 127: ...AFA4000 2 Airflow Monitor p 127 ...
Page 140: ...AFA4000 2 Airflow Monitor p 140 Figure 69 Typical connection diagram ...
Page 144: ...AFA4000 2 Airflow Monitor p 144 Figure 70 Connection diagram with RS232 485 converter ...