FCI Home Appliances 2151 User Manual

2151  
SYSTEM SENSOR  
LOW PROFILE, PHOTOELECTRONIC,  
PLUG-IN SMOKE DETECTOR  
DESCRIPTION  
The System Sensor 2151 low profile photoelectronic  
smoke detector is specifically designed to meet the perfor-  
mance requirements of fire detection/alarm systems. The  
2151 detector uses a state-of-the-art optical sensing chamber  
and is designed so that LED failure will not cause an alarm.  
The detector is designed to provide open area detection, and  
when installed in a two-wire base, is compatible with FCI fire  
alarm control panels. The detector’s operation and sensitiv-  
ity can be tested in place.  
The 2151 detector is of plug-in construction and plugs into  
the same base as the 1151 ionization smoke detector, mak-  
ing both models interchangeable. Bases are available for  
two-wire, four-wire, and 120 VAC four-wire operation, and  
also with an audible sounder.  
Two visible LEDs on each detector flash every ten seconds  
indicating that power is being applied to the detector. The  
LEDs light steadily when the detector is in alarm. A remote  
LED annunciator is available as an optional accessory.  
The 2151 is ULListed for mounting inside ducts up to a ve-  
locity of 3,000 FPM.  
Functional testing is performed by placing a test magnet  
against the cover. The LED on the detector should light  
within 30 seconds.  
FEATURES  
Low Profile Construction  
Easy Plug-in of the Head to Base  
Tamper-resistant Feature  
Test Switch  
o
Field metering of detector sensitivity may be performed  
with theaid of avoltmeterandTest Kit, PartNo. MOD400R.  
360 View Angle of Alarm LEDs  
Compatible with FCI Control Panels  
Audible Sounder Base (Optional)  
Field Metering of Detector Sensitivity  
APPROVALS  
Removable Insect Screen and Cover  
for Field Cleaning  
Insect-resistant Screening (.020"/.508  
mm Openings)  
TECHNICAL SPECIFICATIONS  
3.0 %/ft. (nominal)  
Sensitivity  
Operating voltage  
Standby current  
Operating temperature  
Operating humidity  
Air velocity  
8.5 - 35 VDC (24 VDC nominal)  
120 uA maximum  
32o to 120o F (0o to 49o C)  
10 % - 93 % relative humidity  
3,000 feet per minute maximum  
Off-white flame retardant plastic  
6.2 inches (15.5 cm) (flanged base)  
1.7 inches (4.2 cm)  
Construction  
Diameter  
Height  
Weight  
3.6 oz. (104 g)  
16 Southwest Park, Westwood, MA 02090 USA TEL: (781) 471-3000 FAX: (781) 471-3099  
An ISO 9001 Certified Company  
9020-0583/Ver. 1.1  

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