System Sensor 1400 Manuel utilisateur

D400-07-00 1 I56-279-04R

1400 Direct Wire Ionization

Smoke Detector

INSTALLATION AND MAINTENANCE INSTRUCTIONS

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-

XX, Guide for Proper Use of System Smoke Detectors. This

manual provides detailed information on detector spacing,

placement, 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, Standard for the Installation of Fire Alarm Systems

and CEC Part 1, Sec. 32.)

General Description

System Sensor 1400 dual-chamber ionization smoke detec-

tors utilize state-of-the-art, unipolar sensing chambers.

These detectors are designed to provide open area protec-

tion, and to be used with compatible UL-listed, 2-wire con-

trol panels only. The detector’s operation and sensitivity

can be tested in place.

Specifications

Diameter: 5.5 inches (140 mm)

Height: 3.12 inches (80 mm)

Weight: 0.7 lb. (310 g)

Operating Temperature: 0oto +49oC (32oF to 120oF)

Latching Alarm: Reset by momentary power interruption.

Operating Humidity: 10% to 93% Relative Humidity, Noncondensing

Electrical Ratings:

System Voltage: 12/24 VDC

Maximum Ripple Voltage: 4 Volts peak to peak

Start-up Capacitance: 0.02 µA Maximum

Standby Ratings: 8.5 VDC Minimum

35 VDC Maximum

100 µA Maximum

Alarm Ratings: 4.2 VDC Minimum at 10 mA

6.6 VDC Minimum at 100 mA

Alarm current must be limited to 100 mA maximum by the control panel. If used, the

RA400Z Remote Annunciator operates within the specified detector alarm currents.

Reset Voltage: 2.5 VDC Minimum

Reset Time: 0.3 S Maximum

Start-up Time: 35 S Maximum

Each detector includes an LED that provides a local visual

indication of the detector’s status. The LED blinks every ten

seconds as an indication that power is applied to the detec-

tor and lights continuously in alarm. These detectors also

have the latching alarm feature. The alarm can be reset

only by a momentary power interruption.

The detector also has provision for the connection of an

optional Model RA400Z Remote Annunciator. The RA400Z

provides a visual indication of an alarm and mounts to a

single gang box.

Spacing

NFPA 72 defines the spacing requirements for smoke detec-

tors. Typically, this is 30 feet when the detectors are

installed on a smooth ceiling. However, ALL installations

must comply with NFPA 72 and/or special requirements of

the authority having jurisdiction.

D400-07-00 2 I56-279-04R

Mounting

Each 1400 detector is supplied with a mounting bracket kit

that permits the detector to be mounted:

1. Directly to a 31⁄2inch or 4 inch octagonal, 11⁄2inch deep

electrical box, or

2. To a 4 inch square electrical box by using a plaster ring

with the supplied mounting bracket kit.

Installation Wiring Guidelines

All wiring must be installed in compliance with the

National Electrical Code and all applicable local codes and

any special requirements of the authority having jurisdic-

tion, using the proper wire size. The conductors used to

connect smoke detectors to control panels and accessory

devices should be color-coded to reduce the likelihood of

wiring errors. Improper connections can prevent a system

from responding properly in the event of a fire.

For signal wiring (the wiring between interconnected

detectors), it is recommended that the wire be no smaller

than AWG 18. However, the screws and clamping plate can

accommodate wire sizes up to AWG 12. The use of twisted

pair wiring for the power (+ and –) loop is recommended

to minimize the effects of electrical interference.

Smoke detectors and alarm system control panels have

specifications for allowable loop resistance. Consult the

control panel manufacturer’s specifications for the total

loop resistance allowed for the control panel being used

before wiring the detector loops.

Begin electrical connections by stripping about 3/8" insu-

lation from the end of the wire. Then, slide the bare end of

the wire under the clamping plate and tighten the clamp-

ing plate screw. A wiring diagram for a typical 2-wire detec-

tor system is shown in Figure 3.

NOTE: Break the wire at each terminal to ensure that the

connections are supervised. Do NOT loop the wire

under the terminals.

System Sensor smoke detectors are marked with a compat-

ibility identifier located as the last digit of a five digit code

stamped on the back of the product. Connect detectors only

to compatible control units as indicated in System Sensor’s

compatibility chart which contains a current list of UL-list-

ed control units and detectors. A copy of this list is avail-

able from System Sensor upon request.

Tamper-resistant Feature

This detector includes a tamper-resistant feature that effec-

tively prevents removal of the detector without the use of a

tool. To make the detector tamper-resistant, break off the

smaller tab at the scribed line on the tamper resistant tab,

on the detector mounting bracket (see Figure 2), then

install the detector. To remove the detector from the brack-

et once it has been made tamper resistant, use a small

screwdriver to depress the tamper-resistant tab located in

the slot on the mounting bracket and turn the detector

counterclockwise for removal.

Installation

Disconnect the power to the alarm system control unit

before installing detectors.

1. Wire the detector following the installation guidelines.

2. Line up arrows on the detector with the arrows on the

mounting bracket.

3. Rotate the detector clockwise until it clicks into place.

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

the control unit.

5. Test the detector as described under TESTING.

6. Reset the detector at the system control panel.

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

WARNING

A78-1554-02

TAMPER

RESISTANT

TAB

TO MAKE DETECTOR TAMPER RESISTANT,

BREAK OFF TAB EXTENSION

AT SCRIBED LINE

Figure 2. Model 1400 detector mounting bracket:

Figure 1. Surface mounting of Model 1400 detector

on 3-1/2 and 4 inch octagonal box:

A78-534-00

D400-07-00 3 I56-279-04R

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

detector, but they are not a substitute for removing the

detector during building construction. Remove any dust

covers before placing system in service.

Testing

Before testing the detector, look for the presence of the

flashing LED. If it does not flash, power has been lost to the

detector (check the wiring), or it is defective (return for

repair – refer to Warranty).

Detectors must be tested after installation and following

periodic maintenance. Notify the proper authorities that

the system is undergoing testing. The 1400 may be tested

as follows:

A. Recessed Test Switch

1. A test switch is located on the detector housing (See

Figure 4).

CAUTION

2. Push and hold the recessed test switch with a 0.1 inch

maximum diameter tool.

3. The LED on the detector should light within 5 seconds.

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

The MOD400R is used with an analog or digital volt-

meter to check the detector sensitivity as described in

the test module manual.

C. Aerosol Generator (Gemini 501)

Set the generator to represent 4%/Ft. to 5%/Ft. obscu-

ration as described in the Gemini 501 manual. Using the

bowl shaped applicator, apply aerosol until the 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 detec-

tors still fail these tests, they should be returned for repair.

REMOTE

ANNUNCIATOR –

+–

REMOTE

ANNUNCIATOR

CLASS A OPTIONAL WIRING

NOTE: IF REMOTE ANNUNCIATOR IS NOT USED, POLARITY TO DETECTOR MAY BE REVERSED.

EOL

RESISTOR

INITIATING

LOOP

UL LISTED

COMPATIBLE

CONTROL

PANEL

–

321321

Figure 3. Wiring diagram for 1400 smoke detector used with two-wire control panel:

A78-1554-00

PUSH RECESSED TEST SWITCH WITH

A 0.1" MAX. DIAMETER TOOL.

TEST MODULE

SOCKET

LED

RECESSED

TEST SWITCH TAMPER SLOT

Figure 4. Bottom and side views showing position of test switch:

A78-1554-03

D400-07-00 4 I56-279-04R

Three-Year Limited Warranty

System Sensor warrants its enclosed smoke detector 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 this smoke detector. 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 obligation

of this Warranty shall be limited to the repair or replacement of any part

of the smoke detector which is found to be defective in materials or work-

manship 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, Repair

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 repair or replace units

which are found to be defective because of damage, unreasonable use,

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

case shall the Company be liable for any consequential or incidental dam-

ages for breach of this or any other Warranty, expressed or implied what-

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

or fault. Some states do not allow the exclusion or limitation 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.

Figure 5. Removal of cover and screen for cleaning:

LOCK PRONG

REMOVABLE

SCREEN

REMOVABLE

COVER FOR

CLEANING

LOCKING

PRONGS

Maintenance

NOTE: Before starting, notify the proper authorities that

the smoke detector system is undergoing mainte-

nance and, therefore, will be temporarily out of

service. Disable the zone or system undergoing

maintenance to prevent unwanted alarms.

The 1400 is cleaned as follows:

1. Remove the detector screen and cover assembly by

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

rotating the cover clockwise, and pulling the screen

cover assembly away from the detector (see Figure 5).

Use of the System Sensor CRT400 cover removal 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. Test the detector as described in TESTING.

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

line. A78-1554-04

Please refer to insert for the Limitations of Fire Alarm Systems

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