TEL AFA4000/E - Page 15

AFA4000/E VAV Airflow Controller / p.15
Message
Displayed when
Off
Pushbutton I is set to Fan On/Off, hide airflow is enabled when the Fan is
switched off. The display backlight dims. All other alarm functions are
inhibited in hide airflow 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. All other alarm functions are inhibited during the start-up
period.
Automatic
Econ output is set to Automatic control. It displays at the top of the
screen.
Manual
Econ output is set to Manual output. It displays at the top of the screen.
High Set Point
High Set Point (occupied) mode if Dual Set Operation Point is enabled. It
displays at the top of the screen.
Low Set Point
Low Set Point (unoccupied) mode if Dual Set Operation Point is enabled.
It displays at the top of the screen.
Mute
The audible alarm is muted.
Up / down arrow
The Hi/Lo 2 Speed operation is enabled.
Mains fail
The power fails to connect to the monitor, when activated.
Note: This is an optional extra feature that requires an additional
battery unit.
Low temperature
The cupboard temperature drops below the low temperature alarm
point, when activated. The display alternates on/off with the velocity
reading.
Note: This is an optional extra feature that requires an additional
temperature sensor.
High temperature
The fume cupboard temperature rises above the high temperature alarm
point, when activated. The display alternates on/off with the velocity
reading.
Note: This is an optional extra feature that requires an additional
temperature sensor.