12 Conventional Products—2412, 2412TH, 2424, and 2424TH Direct Wire Photoelectronic Smoke Detectors
5.
Insert the ALARM end.
6.
Check that the LED latches on within 20 seconds, indicating alarm
and annunciating the panel.
7.
Put the cover back by gently rotating it clockwise until it locks
in place.
te s ts wc 3
T est M o du le
S ocket
L E D
P u sh recessed t est switch
with a 0 .1 in ch m ax. d iam eter too l.
R ecessed
T est S w itch
Figure 6: Top and Side Views Showing Position of Test Switch
Test Module (MOD400R or MOD400)
The MOD400R or MOD400 test module is used with an analog or digital
voltmeter to check the detector sensitivity as described in the test module
manual.
Aerosol Generator (Gemini 501)
1.
Set the aerosol generator to represent 4%/ft to 5%/ft obscuration as
described in the Gemini 501 manual.
2.
Use the bowl-shaped applicator to apply aerosol until unit alarms.
3.
Clean and retest detectors that fail these tests as described in the
Maintenance section of this technical bulletin.
4.
Return the detectors for repair if they still fail these tests.
5.
Notify the proper authorities that the system is back online.
