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System Sensor 1451 User Manual

System Sensor 1451
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D400-01-01 1 I56-278-05
INSTALLATION AND MAINTENANCE INSTRUCTIONS
A Division of Pittway
3825 Ohio Avenue, St. Charles, Illinois 60174
1-800-SENSOR2, FAX: 630-377-6495
Before installing
Please thoroughly read the System Sensor manual I56-407,
Applications Manual for System Smoke Detectors, which
provides detailed information on detector spacing, place-
ment, zoning, wiring, and special applications. Copies of
this manual are available at no charge from System Sensor.
(For installation in Canada refer to CAN/ULC-S524, Stan-
dard for the Installation of Fire Alarm Systems, and CEC
Part 1, Sec. 32.)
NOTICE: This manual should be left with the owner/user
of this equipment.
IMPORTANT: This sensor must be tested and maintained
regularly following NFPA 72 requirements. This sensor
should be cleaned at least once a year.
General Description
Model 1451 dual chamber ionization detectors utilize state-of-
the-art, unipolar sensing chambers. These detectors are de-
signed to provide open area protection, and to be used with
compatible UL-listed control panels only. The capability of
plugging these detectors into a variety of special bases makes
them more versatile than equivalent direct-wired models.
Two LEDs on each detector light to provide a local 360° vis-
ible alarm indication. Remote LED annunciator capability
is available as an optional accessory. These detectors also
have the latching alarm feature. The alarm can be reset
only by a momentary power interruption. For testing, these
detectors have an internal magnetically activated reed
switch.
1451 Plug-in Ionization
Smoke Detector
Specifications
Size
Height: 2.4 inches (6.1 cm)
Diameter: 4.0 inches (10.1 cm)
Weight: 0.6 lb. (277 g)
Operating Temperature Range: 0° to +49°C (32° to 120°F)
Operating Humidity Range: 10% to 93% Relative Humidity Non-condensing
Latching Alarm: Reset by momentary power interruption.
Model 1451 has been approved for marine use in dry loca-
tions by Underwriters Laboratory, Inc. The detector is to be
used in dry interior locations only.
Spacing
Spacing of 30 ft. on a smooth ceiling as per NFPA 72E.
Where conditions or response requirements vary, other
spacing may apply.
Base Selection And Wiring Guide
Refer to the installation instructions for the plug-in detector
bases for wiring instructions. System Sensor has available a
variety of detector bases for this smoke detector, including 2-
wire applications with and without relays and/or current lim-
iting resistors, 4-wire and 120VAC applications. (Note: the
120VAC detector base is not available in Canada.)
All bases are provided with screw terminals for power,
ground, remote annunciator connections, and relay contact
connections, if applicable. The electrical ratings for each
detector-base combination are also included in the base in-
stallation instructions.
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System Sensor 1451 Specifications

General IconGeneral
Humidity Range10% to 93% RH non-condensing
TypePhotoelectric
Power Source24 VDC
Temperature Range32°F – 120°F (0°C – 49°C)
Height (including base)2.0 inches (51 mm)
CompatibilityCompatible with control panels

Summary

1451 Plug-in Ionization Smoke Detector

Specifications

Details size, weight, operating conditions, and latching alarm feature.

Before Installing

Guidance on prerequisite manuals and important notices before installation.

General Description

Overview of the detector's dual chamber ionization technology and features.

Installation

Step-by-step instructions for installing the detector into its base.

Testing

Procedures for testing the detector's functionality using various methods.

Maintenance

Instructions on how to clean and maintain the smoke detector.

Limitations of Property Protection Smoke Detectors

Discusses inherent limitations and applications of smoke detectors.

Three-Year Limited Warranty

Details the warranty terms and conditions for the smoke detector.

2451 & 2451TH Photoelectronic Smoke Detectors

Specifications

Outlines physical, operating, and electrical specifications for photoelectronic detectors.

Before Installing

Prerequisites and guidance before starting installation of photoelectronic detectors.

General Description

Explains the optical sensing chambers and features of photoelectronic detectors.

Installation

Step-by-step guide for installing the 2451/2451TH detectors into their bases.

Testing

Methods to test the photoelectronic detectors' sensitivity and alarm functions.

Maintenance

Procedures for cleaning and maintaining the photoelectronic smoke detectors.

Limitations of Property Protection Heat Detectors

Covers limitations and specific applications for heat detectors.

Three-Year Limited Warranty

Details the warranty coverage for the heat detector products.

4451HT & 4451HTA Thermal Detectors

Specifications

Lists thermal detector specifications including temperature, voltage, and current.

Before Installing

Installation prerequisites and compliance information for thermal detectors.

General Description

Describes the dual thermistor sensing circuit and features of thermal detectors.

Installation

Instructions for installing the 4451HT/4451HTA thermal detector heads.

Testing

Procedures for testing thermal detector sensitivity using heat or magnets.

Maintenance

Guidance on cleaning and maintaining the thermal detectors for optimal performance.

Limitations of Property Protection Heat Detectors

Details the limitations and specific use cases for heat detection devices.

5451 Rate-of-Rise Thermal Detector

Specifications

Details specifications for the rate-of-rise and fixed temperature thermal detector.

Before Installing

Pre-installation requirements and compliance information for the 5451 detector.

General Description

Overview of the 5451 detector's dual thermistor circuit and features.

Installation

Instructions for installing the 5451 rate-of-rise and fixed temperature detector.

Tamper Resistance

Explains the tamper-resistant feature for securing the detector head.

Testing

Methods for testing the 5451 detector's response to heat and magnets.

Maintenance

Guidance on cleaning and maintaining the 5451 thermal detector.

Limitations of Property Protection Heat Detectors

Discusses the limitations and specific applications for heat detection devices.

B401B Plug-in Detector Base

Specifications

Lists base specifications including dimensions, voltage, and current ratings.

Before Installing

Prerequisites and guidance for installing the B401B detector base.

General Description

Overview of the B401B base for 2-wire systems and compatible detectors.

Mounting

Instructions for mounting the detector base to junction boxes.

Installation Guidelines

Guidelines for proper wiring and installation of detector bases.

Wiring Instructions

Detailed steps for connecting wires to the detector base terminals.

Tamper-resistance Feature

Explains how to activate and use the tamper-resistant feature on the base.

Limitations of Property Protection Smoke Detectors

Covers limitations and general applications of smoke detection technology.

B401BR Plug-in Detector Base

Specifications

Details the specifications for the B401BR detector base, including electrical ratings.

Before Installing

Pre-installation guidance for the B401BR plug-in detector base.

General Description

Describes the B401BR base's compatibility and use in 2-wire systems.

Mounting

Instructions for physically mounting the B401BR detector base.

Installation Guidelines

General guidelines for wiring and installing detector bases correctly.

Wiring Instructions

Steps for making electrical connections to the B401BR base terminals.

Tamper-resistance Feature

Information on activating and using the tamper-resistant feature of the base.

Optional Remote Annunciator Units

Details about optional remote annunciator units compatible with the base.

Limitations of Property Protection Smoke Detectors

Discusses the limitations and proper use of smoke detection technology.

B401 Plug-in Detector Base

Specifications

Lists the technical specifications for the B401 plug-in detector base.

Before Installing

Pre-installation checks and guidance for the B401 detector base.

General Description

Overview of the B401 base's versatility and intended use with various detectors.

Mounting

Instructions for securely mounting the B401 detector base.

Installation Guidelines

Best practices for wiring and installation of detector bases.

Wiring Instructions

Procedure for making electrical connections to the B401 base.

Tamper-resistance Feature

Details on activating and using the tamper-resistant feature of the base.

Optional Remote Annunciator Units

Information on compatible optional remote annunciator units.

Limitations of Property Protection Smoke Detectors

Covers the limitations and proper application of smoke detection technology.

B402B Plug-in Detector Base

Specifications

Details the electrical and physical specifications for the B402B detector base.

Before Installing

Pre-installation guidance and compliance for the B402B base.

General Description

Overview of the B402B base's intended use in 4-wire systems.

Mounting

Instructions for mounting the B402B detector base to electrical boxes.

Installation Guidelines

Best practices for wiring and installation of detector bases.

Wiring Instructions

Steps for making electrical connections to the B402B base.

Tamper-resistance Feature

Explanation of the tamper-resistant feature for securing the base.

Limitations of Property Protection Smoke Detectors

Covers the limitations and proper application of smoke detection technology.

B404B Plug-in Detector Base

Specifications

Lists the specifications for the B404B plug-in detector base, including relay contacts.

Before Installing

Pre-installation guidance for the B404B detector base and its associated manuals.

General Description

Overview of the B404B base's design for 4-wire systems with relay connections.

Base Terminals

Description of the terminal functions for the B404B detector base.

Mounting

Instructions for mounting the B404B detector base to junction boxes.

Installation Guidelines

Guidelines for proper wiring and installation of detector bases.

Wiring Instructions

Steps for making electrical connections to the B404B base, including 120VAC systems.

Tamper-resistance Feature

Explains the tamper-resistant feature for securing the B404B detector base.

Limitations of Property Protection Smoke Detectors

Discusses the limitations and proper use of smoke detection technology.

B406B Plug-in Detector Base

Specifications

Details specifications for the B406B plug-in base, including operating temperature range.

Before Installing

Pre-installation guidance and compatibility checks for the B406B base.

General Description

Overview of the B406B base's use with conventional detector heads in 2-wire systems.

Mounting

Instructions for mounting the B406B detector base to electrical boxes.

Installation Guidelines

Guidelines for proper wiring and installation of detector bases.

Wiring Instructions

Steps for making electrical connections to the B406B base terminals.

Limitations of Property Protection Smoke Detectors

Covers the limitations and proper application of smoke detection technology.

B401R Plug-in Detector Base

Specifications

Lists the specifications for the B401R plug-in detector base, including voltage and current ratings.

Before Installing

Pre-installation guidance for the B401R detector base and its associated manuals.

General Description

Overview of the B401R base's design for 2-wire systems and remote annunciator connections.

Base Terminals

Description of the terminal functions for the B401R detector base.

Mounting

Instructions for mounting the B401R detector base to junction boxes.

Wiring Installation Guidelines

Guidelines for proper wiring and installation of detector bases.

Tamper-resistance Feature

Details on activating and using the tamper-resistant feature of the base.

Optional Remote Annunciator Units

Information on compatible optional remote annunciator units.

Limitations of Property Protection Smoke Detectors

Covers the limitations and proper application of smoke detection technology.

B401BH & B401BHA Sounder Bases

Specifications

Details specifications for sounder bases, including sound output and electrical ratings.

Before Installing

Pre-installation guidance for sounder bases and compatibility with smoke detectors.

General Description

Overview of sounder bases used with 2-wire systems and their horn functionality.

B401BH and B401BHA Terminals

Description of terminal functions for the sounder bases.

Installation Wiring Guidelines

Guidelines for proper wiring and installation of sounder bases.

Testing

Procedures for testing the sounder bases and associated detector heads.

Limitations of Property Protection Smoke Detectors

Discusses the limitations and proper application of smoke detection technology.

B401BR750 Plug-in Detector Base

Specifications

Details specifications for the B401BR750 detector base, including voltage and current ratings.

Before Installing

Pre-installation guidance for the B401BR750 plug-in detector base.

General Description

Overview of the B401BR750 base's design for 2-wire systems and current limiting.

Mounting

Instructions for mounting the B401BR750 detector base to electrical boxes.

Installation Guidelines

Guidelines for proper wiring and installation of detector bases.

Wiring Instructions

Steps for making electrical connections to the B401BR750 base terminals.

Tamper-resistance Feature

Details on activating and using the tamper-resistant feature of the base.

Limitations of Property Protection Smoke Detectors

Covers the limitations and proper application of smoke detection technology.

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