System Sensor 1451 Manuel utilisateur

D400-01-01 1 I56-0278-008R

INSTALLATION AND MAINTENANCE INSTRUCTIONS

3825 Ohio Avenue, St. Charles, Illinois 60174

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

www.systemsensor.com

Before installing

Please thoroughly read the System Sensor manual A05-

1003, Applications Guide 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.

NOTICE: Model 1451 is a direct replacement for Honeywell

model TC805C1000

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

designed to provide open area protection, and to be used

with compatible UL-listed control panels only. The capa-

bility 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°

visible alarm indication. Remote LED annunciator capabil-

ity 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 test-

ing, these detectors have an internal magnetically activated

reed switch.

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.

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°C to +49°C (32°F to 120°F)

Operating Humidity Range: 10% to 93% Relative Humidity Non-condensing

Latching Alarm: Reset by momentary power interruption.

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

limiting 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.

Installation

NOTE: All wiring must conform to applicable local codes,

ordinances, and regulations.

NOTE: Verify that all detector bases are installed, that the

initiating-device circuits have been tested, and that the wir-

ing is correct.

WARNING

Remove power from initiating-device circuits before install-

ing detectors.

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D400-01-01 2 I56-0278-008R

1. Install Detectors:

a. Place the detector into the detector base.

b. Turn the detector clockwise until the detector drops

into place.

c. Continue turning detector clockwise to lock it in place.

2. Tamper-proof Feature

The detector bases include a feature that, when acti-

vated, prevents removal of the detector without the use

of a tool. See the installation instruction manual of the

detector base for details in using this feature.

3. After all detectors have been installed, apply power to

the control unit.

4. Test the detector as described under TESTING.

5. Reset the detector at the system control panel.

6. Notify the proper authorities that the system is in operation.

CAUTION

Dust covers can be used to help limit dust entry to the de-

tector, but they are not a substitute for removing the detec-

tor during building construction. Remove any dust covers

before placing system in service.

CAUTION

Smoke detectors are not to be used with detector guards

unless the combination has been evaluated and found

suitable for that purpose.

Testing

Before testing, notify the proper authorities that the smoke

detector system is undergoing maintenance and will tem-

porarily be out of service. Disable the zone or system un-

dergoing maintenance to prevent unwanted alarms.

Detectors must be tested after installation and periodic

maintenance. The 1451 may be tested as follows:

Before testing the detector, look for the presence of the

ﬂashing LEDs. If they do not ﬂash, either power has been

lost to the detector (check the wiring), or it is defective

(return for repair).

A. Test Magnet (System Sensor Model No. M02-04-00)

1. Place the magnet against the cover opposite the test

module socket. (See Figure 1.)

2. The LEDs on the detector should latch on within

30 seconds.

3. Reset the detector at the system control panel.

B. Test Module (System Sensor Model No. MOD400R)

The MOD400 or MOD400R is used with a digital or an-

alog voltmeter to check the detector sensitivity as de-

scribed in the test module’s manual.

C. Aerosol Generator (Gemini 501)

Set the generator to represent 4%/ft. to 5%/ft. obscura-

tion as described in the Gemini 501 manual. Using the

bowl shaped applicator, apply aerosol until unit alarms.

Notify the proper authorities that the system is back on line.

Detectors that fail these tests should be cleaned as described

under MAINTENANCE and retested. If the detectors still

fail these tests they should be returned for repair.

Figure 1. Bottom and side views showing test magnet position:

PAINTED

SURFACE

TEST

MAGNET

TEST

MAGNET

LED

TEST MODULE

SOCKET

LED

S0137-00

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D400-01-01 3 I56-0278-008R

Figure 2:Maintenance

It is recommended that the detector be removed from its

mounting base to facilitate easier cleaning. The detector is

cleaned as follows:

NOTE: Before removing the detector, notify the proper

authorities that the smoke detector system is undergoing

maintenance, and will temporarily be out of service. Dis-

able the zone or system undergoing maintenance to pre-

vent unwanted alarms.

1. Remove the detector screen and cover assembly by de-

pressing the three lock prongs on the top of the cover,

rotating the cover counterclockwise, and pulling the

screen and cover assembly away from the detector. (See

Figure 2.) Usage of a System Sensor CRT400 cover re-

moval tool is recommended.

2. Remove the screen from the cover.

3. Use a vacuum cleaner to remove dust from the screen,

the cover, and the sensing chamber.

4. After cleaning, snap the screen into the cover, then place

the cover and screen assembly on the detector, turning

clockwise until it is locked in place.

5. Reinstall the detector.

6. Test the detector as described under TESTING.

7. Notify the proper authorities that the system is back on line.

LOCK PRONG

REMOVABLE SCREEN

(P/N RS14)

REMOVABLE

COVER

FOR

CLEANING

SENSING CHAMBER

S0138-00

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D400-01-01 4 I56-0278-008R

System Sensor warrants its enclosed product to be free from defects in

materials and workmanship under normal use and service for a period

of three years from date of manufacture. System Sensor makes no other

express warranty for the enclosed product. No agent, representative,

dealer, or employee of the Company has the authority to increase or alter

the obligations or limitations of this Warranty. The Company’s obliga-

tion of this Warranty shall be limited to the replacement of any part of

the product which is found to be defective in materials or workman-

ship under normal use and service during the three year period com-

mencing with the date of manufacture. After phoning System Sensor’s

toll free number 800-SENSOR2 (736-7672) for a Return Authorization

number, send defective units postage prepaid to: System Sensor, Returns

Three-Year Limited Warranty

Department, RA #__________, 3825 Ohio Avenue, St. Charles, IL 60174.

Please include a note describing the malfunction and suspected cause

of failure. The Company shall not be obligated to replace units which

are found to be defective because of damage, unreasonable use, modi-

fications, or alterations occurring after the date of manufacture. In no

case shall the Company be liable for any consequential or incidental

damages for breach of this or any other Warranty, expressed or implied

whatsoever, even if the loss or damage is caused by the Company’s

negligence or fault. Some states do not allow the exclusion or limita-

tion of incidental or consequential damages, so the above limitation or

exclusion may not apply to you. This Warranty gives you specific legal

rights, and you may also have other rights which vary from state to state.

Please refer to insert for the Limitations of Fire Alarm Systems

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