Apollo Fire Detectors
Discovery ASD-1 Product Guide
www.apollo-fire.co.uk
15
A description of Discovery ASD-1 user functions are shown in the following table.
Function
Display
Special Instructions
Set fan speed
POWER LED flashes
-
Set sensitivity of bar graph to
changes in airflow velocity
FLOW OK flashes
-
Select the BARGRAPH LED
segment above which the
FLOW HIGH LED will be
illuminated
FLOW HIGH flashes
-
Select the BARGRAPH LED
segment below which the
FLOW LOW LED will be
illuminated
FLOW LOW flashes
-
Set FLOW DELAY time of both
channels
FLOW HI and FLOW LO LEDs
both flash
Please see Section 5.3 for information
on flow delays.
Calibrate flow sensors
FAN FAULT LED flashes
CHANGE key must be pressed for at
least 2 seconds to initiate the flow
calibration process. FAN and POWER
LEDs flash to indicate calibration in
progress. Fan is temporarily stopped as
part of the calibration process. The
system will reset and revert to normal
operating mode when flow calibration is
completed.
Table 5-1: User Functions for the Discovery ASD-1 System
Pressing the SELECT key for longer than 1 second when the unit is unlocked will cause the unit to revert to
normal operating mode.
