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3-2.5.2.4.10 How to Change a Photoelectric Detector's Supervisory Alarm Threshold
This application is not UL Listed or FM Approved
CAUTION
Step
1
Press 0 Key
2
Enter Password; Press "Enter" Key
3
Press 3 Key
4
Press 3 Key
5
Press 2 Key
6
Press 2 Key
7
Press 2 Key
8
Use keypad to enter single detector or range of
detectors to change supervisory alarm threshold.
Press "Enter" Key to confirm selection
9
Press 1 Key for Open Area or
Press 2 Key for In-duct/DH-2000
Press "Enter" Key to confirm selection.
10
Press 1 Key for "Fixed" or Press 2 Key for
"Day/Night" settings.
Press "Enter" Key to confirm selection
11
Use keypad to enter supervisory-alarm threshold.
Press "Enter" Key to confirm selection.
11A
Use keypad to enter night supervisory-alarm
threshold. Press "Enter" Key to confirm selection.
12
Wait until "Updated Thresholds for Devices xx"
message disappears from the display.
13
Press "Backspace" Key (as required)
August 2013
Purpose: To change the alarm threshold of one or more photoelectric
detectors reporting as supervisory initiating devices. The photoelectric
detector can be programmed to report a supervisory condition
anywhere within the obscuration range of 0.5 to 3.5 percent per foot
when used in an open-area application. Supervisory alarm thresholds
can be set in 0.1 percent-per-foot increments. One additional
supervisory-reporting range is defined for a special application. The in-
duct/DH-2000 range refers to detector placement in a DH-2000 Duct
Housing with associated sampling tubes to monitor the air in either a
supply- or return-air duct or to detector placement in a duct. The
supervisory-alarm range for this special application is 0.5 to 2.0
percent per foot.
Action
3-40
Result
Initiate menu access
Gain access to menus
Enter Set-Menu branch
Access "SLC Devices" option
Select "Configuration"
Select Photoelectric Detectors
Select supervisory threshold
Specify detectors to change
Specify detector application
Select fixed (i.e., not variable) thresholds or
select day/night (i.e., variable by the time of day)
thresholds
Set supervisory-alarm threshold. This is the day
alarm threshold when using day/night settings.
Set night supervisory-alarm threshold (day/night
only).
Exit Menu System
P/N 06-236530-001
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