VDOT-ASD-400 Aspiration Detector
Velocity Detection
25
VDOT-ASD-400 Aspirating Smoke Detector User’s Manual V1
E24
Sensitivity Mode Confliction
Auxiliary Sensor Fault
E25
Sensor 1 Failed
E26
Sensor 2 Failed
E27
Sensor 3 Failed
E28
Sensor 4 Failed
E29
Sensor 5 Failed
Learning
E31
Flow Normalization
E32
Smoke Background Learning
Isolation
E30
Device Isolated
E33
Zone Isolated
Display panel has integrated control/ programming that when in operating mode, the key function
on panel is able to execute REST/ISOLATE/SILENCE/TEST function as well as to display the figure of
Smoke/Flow/Addr/Evt by numerical tube; while in setting mode, the setting of related operating
parameters of detecting device can be done via keypad/ Bargraph/ numerical tube.
Table: Summary of key function under operating mode
Key pad
Key Action
Description
FUNC.
Press and hold for 2 sec.
In operating mode, enter into program mode
RESET
Press once
Reset
v
Press once
Numerical LED display item switch leftward
MODE
Press and hold for 2 sec.
Numerical LED display default item. The default item
will be switched rightward to the next item.
w
Press once
Numerical LED display item switch rightward.
SCAN
Press and hold for 2 sec.
Manual starts the pipe scan process.
+
ISOL
Press and hold for 2 sec.
Isolated
-
SILENCE
Press and hold for 2 sec.
Mute
¿
TEST
Press and hold for 2 sec.
Display LED test
Parameter Setup
u
Press and hold <Func.> key for 2 sec. under operating mode and enter into parameter setting
mode, the Bargraph 01 indicator flashes and shows in setting 01 parameter with numerical
tube displaying the parameter value of 01. If parameter password function was set at 1(ON),
password would be required before editing parameters, or else it is sole displaying without
editing. If password was set to 0(OFF), direct editing parameters is possible after entering.
u
Editing parameters: press +/-key to alter parameter value; adjust it to the proper figure and
press and hold return key for 2 sec. to store; the numerical tube display will flash 3 times if
