System Sensor 2112/24R Installation And Maintenance Instructions

INSTALLATION AND MAINTENANCE INSTRUCTIONS
2112/24R and 2112/24TR Photoelectronic
Smoke Detectors
Figure 1. Wiring diagram for the 2112/24R and 2112/24TR detector:
+
POWER
TO
DETECTORS
–
UL LISTED
COMPATIBLE
CONTROL
(OPTIONAL)
PANEL
RELEASING
DEVICE
INITIATING
LOOP
Specifications
Diameter:
Height (including mounting bracket):
Weight:
Operating Temperature Range
Operating Humidity Range:
Latching Alarm:
Heat Sensor (Model 2112/24TR only): 135°F Fixed Temperature Electronic Thermistor
Electrical Ratings
System Voltage (nominal):
Minimum:
Maximum:
Maximum Ripple Voltage:
Standby Current:
Alarm Current:
Reset Voltage:
Reset Time:
Start-up Time:
EOL Relay:
Alarm Initiation and Auxiliary Relay:
Contact Ratings, Resistive Load:
D200-83-00
Technical Manuals Online! - http://www.tech-man.com
+
+
–
A
A
NC
NC
COMMON
C
NO
NO
5.5 inches (140 mm)
1.7 inches (43 mm)
6.8 oz. (190 g)
Model 2112/24R: 32°F to 120°F (0°C to 49°C)
Model 2112/24TR: 32°F to 100°F (0°C to 39°C)
10% to 93% Relative Humidity, Noncondensing
Reset by momentary power interruption
12 or 24 VDC
10 VDC
35 VDC
30% of nom. Voltage (peak to peak)
50 µ A maximum
28 mA typical, 35 mA max. at 12V
36 mA typical, 45 mA max. at 24V
0.8 VDC minimum
0.3 seconds maximum
30 seconds maximum (after 60 sec. reset)
A77-716B, 12/24 VDC
1A @ 30 VAC
1A @ 30 VDC
P
W
R
ALARM
CONTACT
NC
A
(OPTIONAL)
COMMON
U RELEASING
NO
DEVICE
X
OPTIONAL CLASS A WIRING
1
A Division of Pittway
3825 Ohio Avenue, St. Charles, Illinois 60174
1-800-SENSOR2, FAX: 630-377-6495
EOL POWER
SUPERVISION
RELAY (SHOWN
ENERGIZED)
+ P
A77-716 12/24V
W
+
R
–
ALARM
A
CONTACT
A
EOL RESISTOR
NC
A
SPECIFIED BY
C U PANEL
MANUFACTURER
X
NO
A78-2336-16
I56-1239-01