VDOT-ASD-100 Aspiration Detector
Velocity Detection
22
VDOT-ASD-100 Aspirating Smoke Detector User’s Manual V1
Control
Key
Action
Description
RESET
Press once
Reset, press this key to clear alarms or faults.
ISOLATE/
De-ISOLATE
Press and hold
for 2 sec.
The device will be isolated when it was not isolated. It
will be de-isolated if it was isolated.
SILENCE
Press and hold
for 2 sec.
The beeper will be silenced.
TEST
Press and hold
for 2 sec.
All LED indicators on the display will go on for 3 seconds
and go off for two seconds as a cycle. The cycle repeats
twice for the user to check if there’s any malfunction
LED.
The difference of SILENCE and ISOLATE is that SILENCE is used to silence beeper, confirming
the alarm or fault status. When there is a new alarm or fault in occurrence the beeper will
activate again; while ISOLATE is to completely isolate the system alarm from the
corresponding output, there will be NO alarm output when the device is isolated.
Press and hold <RESET> key for 2 seconds shall enter into program mode. For the key
function in program mode please see the parameter setting section.
Display
o
Indicators
Indicator (color) Description
PWR (green)
When the device is powered.
ISOL (yellow)
When the device is isolated
ALERT (red)
When the Alert Threshold has been reached and the appropriate
time delays have expired. The detector will generate Alert Alarm.
