AFA4000/2
Airflow Monitor / p.14
•
Setback
activated- display backlight dims until the Setback is deactivated.
Backlight brightens to normal level when you access the Set Up or Diagnostics
menus.
3.2
Alarms and events
Message
Displayed when
Sash high
The Sash alarm is activated, and the sash is raised above the
maximum safe working opening. Sash high alternates on/off with
the velocity reading.
External alarm
The external alarm input is activated. External alarm alternates
on/off with the velocity reading.
Air fail
The airflow is less than the low air alarm point. Air fail alternates
on/off with the velocity reading.
High air alarm
The airflow is more than the high air alarm point. High air alternates
on/off with the velocity reading.
Setback
The night setback function is activated. Setback alternates on/off
with the velocity reading. The display backlight dims.
Alarm disabled
The alarm disable function is activated. Alarm disable alternates
on/off with the velocity reading.
Close sash
The sash is raised and the operator is not present (when activated).
Close sash alternates on/off with the velocity reading.
Emergency
The emergency input is activated. Emergency alternates on/off with
the velocity reading.
Up / down arrow
The
Hi/Lo
2 Speed operation is enabled.
Off
Pushbutton I is set to Fan On/Off, hide airflow is enabled when the
Fan is switched off. The display backlight will dim when in a Fan off
condition.
Start Up
Pushbutton I is set to Fan On/Off, the start-up timer is enabled
from 0 - 600 seconds when the Fan is switched on. The remaining
start up time is displayed.
Содержание AFA4000/2
Страница 1: ...AFA4000 2 Airflow monitor Installation and operating manual Issue 1 ...
Страница 50: ...AFA4000 2 Airflow Monitor p 50 Figure 21 AFA4000 2 typical connection diagram ...
Страница 51: ...AFA4000 2 Airflow Monitor p 51 Figure 22 AFA4000 2 AS typical connection diagram ...
Страница 52: ...AFA4000 2 Airflow Monitor p 52 5 4 Dimensions Figure 23 AFA4000 2 and AFA4000 2 AS dimensions ...
Страница 53: ...AFA4000 2 Airflow Monitor p 53 Figure 24 SM7 airflow sensor dimensions ...
Страница 64: ...AFA4000 2 Airflow Monitor p 64 Figure 34 Side views of a rack and pinion drive typical installation ...
Страница 87: ...AFA4000 2 Airflow Monitor p 87 Figure 61 Adjusting the personnel sensor beam angle away from the fume hood ...
Страница 90: ...AFA4000 2 Airflow Monitor p 90 6 10 Auto Sash System Control Box general wiring diagram ...
Страница 127: ...AFA4000 2 Airflow Monitor p 127 ...
Страница 140: ...AFA4000 2 Airflow Monitor p 140 Figure 69 Typical connection diagram ...
Страница 144: ...AFA4000 2 Airflow Monitor p 144 Figure 70 Connection diagram with RS232 485 converter ...