Description
REPLACED WITH Addressable Photoelectric Smoke Detectors J2351 Series
JOHNSON CONTROLS INTELLIGENT PHOTOELECTRIC SMOKE SENSORS (DETECTORS)
Model
JOHNSON CONTROLS 2951J INTELLIGENT PHOTOELECTRIC SMOKE SENSORS (DETECTORS)
JOHNSON CONTROLS 2951TJ INTELLIGENT PHOTOELECTRIC SMOKE SENSORS (DETECTORS)
JOHNSON CONTROLS 2951TMJ INTELLIGENT PHOTOELECTRIC SMOKE SENSORS (DETECTORS)
This sensor must be installed in compliance with the control panel system installation manual. The installation must meet the requirements of the Authority
Having Jurisdiction (AHJ). Sensors offer maximum performance when installed in compliance with the National Fire Protection Association (NFPA); see NFPA
72.
GENERAL DESCRIPTION
Model 2951J, 2951TJ and 2951TMJ are intelligent sensors that combine a state-of-the-art photoelectronic sensing chamber with communications. Models
2951TMJ and 2951TJ combines a photoelectronic sensing chamber and 135°F (57.2°C) fixed temperature heat detector. These sensors are designed to provide open area protection and are intended for use with compatible control panels only.
Two LEDs on each sensor light to provide a local, visible sensor indication. Remote LED annunciator capability is available as an optional accessory (Part No.
RA400Z). The sensor will support either FlashScan™ or CLIP (Classic Loop Interface Protocol) SLC communication mode.
Johnson Controls panels offer different feature sets across different models. As a result, certain features of the 2951J, 2951TJ or 2951TMJ may be available on some control panels, but not on others. The possible features available in the 2951J, 2951TJ and 2951TMJ, if supported by the control unit are:
1. The panel controls the LED operation on the sensor. Operational modes are RED blink, RED continuous, GREEN blink, GREEN continuous, and off.
2. The remote output may be synchronized to the LED operation or controlled independent of the LEDs.
SPECIFICATIONS
Operating Voltage Range: 15 to 32 VDC
Standby Current: 300µA @ 24 VDC (one communication every 5 seconds with LED blink enabled)
Max. Alarm Current (LED on): 6.5 mA @ 24 VDC
Operating Humidity Range: 10% to 93% Relative Humidity, noncondensing
Operating Temperature Range: 0° to 49°C (32° to 120°F); 2951J
0° to 38°C (32° to 100°F); 2951TJ and 2951TMJ
Height: 2.0 inches (51 mm) installed in B210LPJ and B501J Bases
Diameter: 6.1 inches (155 mm) installed in B210LPJ Base
4.1 inches (104 mm) installed in B501J Base
Weight: 5.2 oz. (147 gm)
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