TEL AFA4000/E, Installation And Operating Manual

Page: 16 / 210

AFA4000/E VAV Airflow Controller / p.16
3.4 Controls and indicators
3.4.1 LED Halo indicator
The alarm unit has a LED Halo indicator that changes colour:
•
Red
Alarm
•
Amber
Caution
•
Green
Safe
The Red Alarm LED Halo is illuminated when pushbutton I is set to Fan On/Off and is switched
off.
3.4.2 Audible alarm sounder
The AFA4000/E has an audible sounder with local or remote mute facilities. You can
permanently disable the alarm in the
Cal Config Menu.
The audible alarm is muted when Fan Off is selected on pushbutton I or when the Setback or
Alarm Disable functions are activated.
When the audible alarm is muted/ disabled, the mute icon displays at the bottom left side of the
screen.
When an input is set to the mute function the keypad Mute button is disabled and you can only
mute the alarm by using the selected mute input.
3.4.3 Pushbuttons
The AFA4000/E has 3 menu configurable pushbuttons. Each pushbutton can be configured to a
different function. The pushbutton icon and status is shown on the display above the
pushbutton.
Pushbutton I:
Fan On/Off Displayed when the pushbutton is set to FAN operation.
Setback O/R Displayed when the pushbutton is set to Setback Override
operation.