System Sensor 2100AT User Manual

System Sensor Safety

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D200-69-00

1

I56-1145-05R

2100AT Photoelectronic

Smoke Detector with Fixed Heat

and Integral Temp-3 Sounder

INSTALLATION AND MAINTENANCE INSTRUCTIONS

3825 Ohio Avenue, St. Charles, Illinois 60174

1-800-SENSOR2, FAX: 630-377-6495

Specifications
Diameter:

5.5 inches (140 mm)

Height (including mounting bracket):

2.05 inches (52 mm)

Weight:

7.5 oz. (210 g)

Operating Temperature Range

32

°

to 100

°

F (0

°

to 38

°

C)

Operating Humidity Range:

10% to 93% Relative Humidity, Noncondensing

Latching Alarm:

Reset by momentary power interruption

Audible Signal:

85 dBA minimum when in alarm or with supply polarity reversed

Heat Sensor:

135

°

F Fixed Temperature Electronic Thermistor

Electrical Ratings
System Voltage (nominal):

12 or 24 VDC

Minimum:

8.5 VDC

Maximum:

35 VDC

Maximum Ripple Voltage:

30% of nom. Voltage (peak to peak)

Standby Current:

50

µ

A average, 100

µ

A maximum

Alarm Ratings:

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.)

Reset Voltage:

1.8 VDC minimum

Reset Time:

0.6 seconds maximum

Start-up Time:

30 seconds maximum (after 60 sec. reset)

EOL Relay:

A77-716B, 12/24 VDC

Special Considerations:

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.
–Due to the built-in temporal pattern, use this detector only with a non-coded
power source.

Figure 1. Wiring diagram for the 2100AT detector:

A78-2336-15

IMPORTANT: OBSERVE POLARITY

Polarity must be observed on the power and remote annunciator connections.

OPTIONAL CLASS A WIRING

EOL

INITIATING

LOOP

UL LISTED

COMPATIBLE

CONTROL

PANEL

+

+
+

A

+

RA400Z
REMOTE
ANNUNCIATOR

A

-

+

P
W
R

NOT
USED

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.

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