
Turning off Fire Alarm Soundizlg
You canturn off Fire alarm sounding by pressingthe OFI? key on any ke~ad or
other armingklissrming devicein that partition. To clearthe “memory of alarm”
and to reset the detector’salarm, enterthe securitycodeplus OFF again.
Compatible2-WireSmokeDeteotors
Detector Type DevieeModel#
Photoelectric
w/heatsensor,directwire SystemSensor2300T
Photoelectric,directwire SystemSensor2400
Photoelectricw/heatsensor,directwire
SystemSensor2400TH
Photoelectricw/B401Bbase SystemSensor2451
Photoelectricw/heatsensor& B401Bbase
SystemSensor2451TH
Ionization,directwire SystemSensor1400
Ionizationw/B401Bbase
SystemSensor1451
Photoelschicductdetectorw/DH400base SystemSensor2451
Ionizationductdetect.w/DH400base SystemSensor1451DH
~.---------y
w
x
#
DEtEOTOR
z
n
m
L--. -------a
IN ULINSTALLATIONS,ONLY
ZONE1 MAYBEUSEDFORFIRE.
Figure 8.
2-W- Smoke
Detector Gmsmcted
to Zone 1
W- 4-WIre Smok&Combnetion Detectore on Zonee 2-7
The system will support as many 4-wire detectorsas can be powered horn
Auxiliary Power on the control on zones 2-7. Refer to the detector’s
instructions for complete details regarding its proper installation and
operation.
1. Connect 12 volt power for the detectorsfrom AuxiliaIY Power terminals 4
and 5, (which will interrupt power for fire alarm reset). Observe proper
polarity when connectingdetectors.
2. Connect detectors(including heat detectors,if used) acrossterminals of
the zone selected(zones2-7 may be used). All detectorsmust be wired in
parallel.
3. To supervise power, we recommend the use of a System Sensor
No. A77-716B supervisorymodule.
2000 OHMS EOLR
SUPERVISORYMODULE
~ (e.g. SYSTEM SENSOR
A7771601)
4-WIRE SMOKE
OR COMBUSTION
DETEOTOR
AU%POWER
SEE ITS INSTRUCTIONS
OUTPUTTERM.
FOR ITS PROPER
lNST~TiON
HEAT DETEOTOR
c -
TO HI SIDE (+)OF
IF PROGRAMMED
SELECTEDZONE ~
FOR FIRE
Figure 9.
&wire Smoke
Detector
Coxmectione
- %7)
TO LO SIDE (-) OF SELECTEO
ZONE~
-23-
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