AFA4000/2
Airflow Monitor / p.158
13.3
Auto sash alarm indications
In an alarm condition, originating from within the fume hood, the current alarm displays
in the status window:
Alarm message
Description
Obstruction Detected
This is displayed when the sash beam is broken and when
the sash starts to close.
Remove the obstruction and press the
Mute
button to reset
the alarm.
Sash Fault
This is displayed when the sash does not close or open when
expected.
Check the sash drive for faults and press
Mute
to reset the
alarm.
Remove Sash Lock /
Cancel to Reset
This is displayed when the sash is at or above the calibrated
lock position for longer than the pre-set alarm time.
Press
Mute
or lower the sash to reset the alarm.
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 ...