System Sensor Smoke Alarm 2100AT User Manual

INSTALLATION AND MAINTENANCE INSTRUCTIONS  
2100AT Photoelectronic  
Smoke Detector with Fixed Heat  
and Integral Temp-3 Sounder  
3825 Ohio Avenue, St. Charles, Illinois 60174  
1-800-SENSOR2, FAX: 630-377-6495  
Figure 1. Wiring diagram for the 2100AT detector:  
IMPORTANT: OBSERVE POLARITY  
Polarity must be observed on the power and remote annunciator connections.  
+
INITIATING  
EOL  
LOOP  
+
+
P
W
R
+
A
+
A-  
UL LISTED  
COMPATIBLE  
CONTROL  
PANEL  
RA400Z  
REMOTE  
ANNUNCIATOR  
NOT  
USED  
OPTIONAL CLASS A WIRING  
NOTE: Only one detector per zone shall be used, unless when in alarm the panel switches  
the zone to a reverse polarity, noncurrent-limited power supply. The 2100AT  
detector shall not be mixed with other 2-wire detector types on the same zone.  
A78-2336-15  
Specifications  
Diameter:  
5.5 inches (140 mm)  
Height (including mounting bracket): 2.05 inches (52 mm)  
Weight:  
7.5 oz. (210 g)  
32° to 100°F (0° to 38°C)  
10% to 93% Relative Humidity, Noncondensing  
Reset by momentary power interruption  
85 dBA minimum when in alarm or with supply polarity reversed  
135°F Fixed Temperature Electronic Thermistor  
Operating Temperature Range  
Operating Humidity Range:  
Latching Alarm:  
Audible Signal:  
Heat Sensor:  
Electrical Ratings  
System Voltage (nominal):  
Minimum:  
12 or 24 VDC  
8.5 VDC  
Maximum:  
35 VDC  
Maximum Ripple Voltage:  
Standby Current:  
Alarm Ratings:  
30% of nom. Voltage (peak to peak)  
50 µA average, 100 µA maximum  
29 mA typical at 12 VDC, 63 mA typical at 24 VDC, 100 mA maximum  
(If used, the RA400Z Remote Annunciator operates within the specified detector  
alarm currents.)  
1.8 VDC minimum  
0.6 seconds maximum  
30 seconds maximum (after 60 sec. reset)  
A77-716B, 12/24 VDC  
NOTE: Only one detector per zone shall be used, unless when in alarm the panel  
switches the zone to a reverse polarity, non-current limited power supply. For  
panels that do not provide this feature, a reversing relay, such as System Sensor’s  
RR-2, may be used. When utilized with the 2100AT, it allows for more than one de-  
tector to be utilized on a loop. Some panels may require the use of programmable  
outputs. Refer to System Sensor literature for further information on the RR-2.  
The 2100AT detector shall not be mixed with other 2-wire detectors on the same  
zone.  
Reset Voltage:  
Reset Time:  
Start-up Time:  
EOL Relay:  
Special Considerations:  
–Due to the built-in temporal pattern, use this detector only with a non-coded  
power source.  
D200-69-00  
1
I56-1145-05R  
 
System Sensor smoke detectors are marked with a compat- Testing  
ible identifier located as the last digit of a five digit code NOTE: Before testing, notify the proper authorities that  
stamped on the back of the product. Connect detectors only  
to compatible control units as indicated in System Sensor’s  
compatibility chart which contains a current list of UL-  
listed compatible control units and detectors. A copy of this  
list is available from System Sensor upon request.  
the smoke detector system is undergoing mainte-  
nance and will be temporarily out of service. Dis-  
able the zone or system undergoing maintenance  
to prevent unwanted alarms.  
Detectors must be tested after installation and following  
periodic maintenance. Test the 2100AT as follows:  
Wire connections are made by stripping about 1/4 inch of A. Test Switch  
insulation from the end of the feed wire, inserting the wire  
into the appropriate terminal, and tightening the screw to  
secure the wire in place.  
1. A recessed test switch is located on the detector hous-  
ing (See Figure 4).  
2. Press and hold the recessed test switch with a 0.18  
inch maximum diameter tool such as an allen wrench  
or small screwdriver.  
Installation  
3. The detector’s LED should light within 5 seconds.  
B. Test Module (System Sensor Model No. MOD400R).  
The MOD400R test module can be used with a DMM or  
analog voltmeter to check the detector sensitivity as de-  
scribed in the test module’s manual.  
WARNING  
Remove power from the control unit or initiating device cir-  
cuits before installing detectors.  
1. Wire the plug-in screw terminal block per Figure 1 and  
plug the terminal block into the detector.  
C. Smoke Entry Test  
Hold a smoldering punk stick or cotton wick at the side  
of the detector and gently blow smoke through the de-  
tector until the unit alarms.  
2. Align the arrows on the detector with the arrows on the  
mounting bracket.  
3. Turn the detector clockwise in the mounting bracket un-  
til it clicks into place.  
4. After all detectors have been installed, apply power to  
the control unit or initiating device circuits.  
5. Test the detector as described in TESTING.  
6. Reset the detector at the system control panel.  
7. Notify the proper authorities the system is in operation.  
D. Direct Heat Method (Hair dryer of 1000-1500 watts)  
Direct the heat toward either of the side thermistors.  
Hold the heat source about 12 inches from the detector  
in order to avoid damage to the plastic. The detector will  
reset only after it has had sufficient time to cool and the  
power source has been momentarily interrupted.  
Both smoke and heat detection testing are recommended  
for verifying system protection capability.  
CAUTION  
Dust covers are an effective way to limit the entry of dust  
into smoke detector sensing chambers. However, they may  
not completely prevent airborne dust particles from enter-  
ing the detector. Therefore, System Sensor recommends the  
removal of detectors before beginning construction or other  
dust producing activity. Be sure to remove dust covers from  
any sensors that were left in place during construction as  
part of returning the system to service.  
A detector that fails to activate with any of the above tests  
should first be cleaned as outlined in MAINTENANCE. If  
the detector still fails to activate, return it for repair.  
Notify the proper authorities the system is back in  
operation.  
Maintenance  
NOTE: Before removing the detector, notify the proper au-  
thorities that the smoke detector system is under-  
going maintenance and will be temporarily out of  
service. Disable the zone or system undergoing  
maintenance to prevent unwanted alarms.  
Figure 4. Top and side views of test switch position:  
NOTE: Before removing the detector cover, note the posi-  
tion of the thermistors. Make sure the thermistors  
are not bent over when the housing is replaced.  
PUSH RECESSED  
LED  
SWITCH WITH A  
0.18MAX. DIAMETER TOOL  
A78-2564-04B  
RECESSED TEST  
TEST MODULE  
SWITCH  
SOCKET  
A78-2564-04A  
D200-69-00  
3
I56-1145-05R  
 
1. Remove the detector housing by gently prying the four  
9. Reinstall the detector.  
housing tabs on the bottom of the base with a small- 10. Notify the proper authorities that the system is back in  
bladed screwdriver and pull the housing from the base.  
Use caution to avoid damaging the thermistors.  
2. Vacuum the screen carefully without removing it.  
3. Remove screen assembly, pulling straight out (see Fig-  
ure 5).  
operation.  
Figure 5. Removal of cover and screen for cleaning:  
4. Remove the sensing chamber cover.  
5. Clean the sensing chamber by vacuuming or blowing  
out dust and particles.  
REMOVABLE  
HOUSING  
6. Replace the sensing chamber cover, aligning the arrow  
on the cover top with the arrow on the printed circuit  
board.  
REMOVABLE  
SCREEN  
7. Replace the screen by placing the screen assembly over  
the sensing chamber cover and twisting until it snaps  
into place.  
SENSING CHAMBER  
COVER  
8. Replace the housing by aligning the three triangular  
slots on the base with their counterparts on the hous-  
ing. Gently press the housing until it locks in place.  
Check to make sure that the thermistors are in the up-  
right position.  
A78-2565-05  
SENSING  
CHAMBER  
BASE  
Please refer to insert for the Limitations of Fire Alarm Systems  
Three-Year Limited Warranty  
System Sensor warrants its enclosed smoke detector to be free from de-  
fects in materials and workmanship under normal use and service for a  
period of three years from date of manufacture. System Sensor makes no  
other express warranty for this smoke detector. No agent, representative,  
dealer, or employee of the Company has the authority to increase or alter  
the obligations or limitations of this Warranty. The Company’s obligation  
of this Warranty shall be limited to the repair or replacement of any part of  
the smoke detector which is found to be defective in materials or work-  
manship under normal use and service during the three year period com-  
mencing with the date of manufacture. After phoning System Sensor’s toll  
free number 800-SENSOR2 (736-7672) for a Return Authorization number,  
send defective units postage prepaid to: System Sensor, Repair Depart-  
ment, RA #__________, 3825 Ohio Avenue, St. Charles, IL 60174. Please  
include a note describing the malfunction and suspected cause of failure.  
The Company shall not be obligated to repair or replace units which are  
found to be defective because of damage, unreasonable use, modifica-  
tions, or alterations occurring after the date of manufacture. In no case  
shall the Company be liable for any consequential or incidental damages  
for breach of this or any other Warranty, expressed or implied whatsoever,  
even if the loss or damage is caused by the Company’s negligence or fault.  
Some states do not allow the exclusion or limitation of incidental or conse-  
quential damages, so the above limitation or exclusion may not apply to  
you. This Warranty gives you specific legal rights, and you may also have  
other rights which vary from state to state.  
D200-69-00  
4
I56-1145-05R  
2001 System Sensor  
©
 

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