System Sensor 1251 Plug-in Intelligent - Manual (Page 2)

D200-51-00 2 I56-548-07R
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3 2
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3 2
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U.L. LISTED COMP
A
TIBLE
CONTROL
P
A
NEL
CLASS A OPTIONAL WIRING
REMOTE ANNUNCIATOR
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CAUTION: Do not loop wire under terminal 1 or 2.
Break wire run to provide supervision of connections.
Figure 1:
2. Tamper-Resistance
Model 1251 includes a tamper-resistant capability that
prevents their removal from the bracket without the use
of a tool. Refer to the base manual for details on making
use of this capability.
3. After all sensors have been installed, apply power to the
system.
4. See Figure 2. Test the sensor by positioning a test mag-
net against the sensor plastic just to the left of LED1.
The alarm level should be recognized at the panel and
the LED controlled by communication command from
the panel.
5. Reset the sensor by communication command from the
panel.
Testing
Detectors must be tested after installation and following
periodic maintenance. However, before testing, notify the
proper authorities that the smoke detector system is under-
going maintenance and the system will be temporarily out
of service. Disable the zone or system undergoing mainte-
nance to prevent unwanted alarms.
In addition, check to ensure that the LEDs blink. If they do
not, power has been lost to the detector (check the wiring),
or it is defective (return it for repair).
Test the sensors as follows:
A. Test Magnet (p/n M02-04-01 or M02-09-00)
1. Test the sensor by positioning the optional test mag-
net against the sensor plastic just to the left of LED1,
as shown in Figure 2.
2. Both LEDs should latch on within 30 seconds, indi-
cating an alarm and annunciating the panel.
B. Aerosol Generator in accordance with NFPA 72.
The Gemini Model 501 aerosol generator can be used
to test the sensor. Set the generator to represent 4%/ft to
5%/ft obscuration, following the instructions in the gen-
erator manual. Use a bowl shaped applicator to apply
aerosol to the sensor. It should alarm after 30 seconds.