2251-COPTIR SYSTEMSENSOR [Systemsensor advanced ideas.], 2251-COPTIR Datasheet

2251-COPTIR

Manufacturer Part Number

2251-COPTIR

Description

Advanced Multi-Criteria Fire Detector with four unique sensing elements

Manufacturer

SYSTEMSENSOR [Systemsensor advanced ideas.]

Datasheet

1.2251-COPTIR.pdf (2 pages)

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Advanced Multi-Criteria

Fire Detector with four

unique sensing elements

This latest addition to the System Sensor 200 Series

combines four complementary technologies into one

device to convey accurate fire sensing information for

locations where absolute certainty is required.

Features

•

Agency Listings

Unique ability to detect all four major elements of a fire

Highest nuisance alarm immunity

Advanced algorithms interpret and respond to the multiple inputs

Six levels of sensitivity

CO sensing for fastest response to slow-developing, smoldering

fires

Fully integrated infrared sensing to support the fire alarm decision

Automatic drift compensation of smoke sensor and CO cell

Superior EMI protection

Twin LED indicators providing 360˚ visibility

LEDs can be panel controlled to blink, latch on, latch off

Built-in test switch

S911

3030459

7272-1653:208

This plug-in fire detector combines four separate sensing elements

in one unit: 1. photoelectric chamber senses airborne particulate

for smoke detection, 2. electrochemical cell technology monitors

carbon monoxide (CO) produced by smoldering fires, 3. infrared (IR)

sensing measures ambient light levels and flame signatures, and 4.

thermal detection monitors temperature.

The integration of continual monitoring for all four major elements

of a fire has enabled System Sensor to create a detector that

responds more quickly to an actual fire with the highest immunity to

nuisances. This advanced multi-criteria detector normally operates at

a high immunity level and changes to become very sensitive to fires

as soon as fire characteristics are sensed. In this way, nuisances are

monitored and ignored, reducing false alarms.

The detector’s onboard intelligence runs advanced algorithms that

dynamically adjust detection parameters to respond to the inputs

from the sensors, enabling instant response as ambient conditions

change. The program changes sensor thresholds, sensor gain, time,

delays, combinations, sampling rates and averaging rates. If any

sensor fails, the detector automatically adjusts the sensitivity of the

remaining sensors. It also recognizes a fault condition.

The CO sensing cell has an expected lifetime of approximately six

years. The CO cell is not a field-replaceable component. An internal

timer signals the control panel to indicate the approach of the CO

cell’s end of life. Upon expiration, you should contact the system

supplier to arrange for replacement of the unit. However, detection

is not compromised when the CO cell is expired. The algorithms

automatically adjust to properly weight the inputs from the

photoelectric, heat and IR sensors.

The IR light sensor recognizes specific situations, such as welding,

and makes adjustments rapidly to further reduce the potential for

nuisance alarms. The thermal detection function fuses thermistor

technology with a software-corrected, linear temperature response

to offer exceptional nuisance alarm immunity and excellent fire

detection.

NOTE: The CO cell is specifically deployed as a component of smoke

detection in this device. This device is not listed for applications in which

standalone CO detection is required for life safety.

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2251-COPTIR Summary of contents

Page 1

Advanced Multi-Criteria Fire Detector with four unique sensing elements This latest addition to the System Sensor 200 Series combines four complementary technologies into one device to convey accurate fire sensing information for locations where absolute certainty is required. Features • ...

Page 2

... Specifications Physical Specifications Height Diameter Shipping Weight Color Material Operating Humidity Range Application Temperature Range Electrical Specifications Operating Voltage Range Maximum Standby Current Maximum Alarm Current (LED on) Sensitivity Settings and Suggested Applications Level 1 Level 2 Level 3 Level 4 Level 5 Level 6 *Once the CO cell has reached the end of life and enters Photo, Thermal, Infrared (PTIR) mode, the following sensitivities apply: ...

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