System Sensor 1400 User Manual

INSTALLATION AND MAINTENANCE INSTRUCTIONS

1400 Direct Wire Ionization
Smoke Detector

Specifications

Diameter: 5.5 inches (140 mm)
Height: 3.12 inches (80 mm)
Weight: 0.7 lb. (310 g)
Operating Temperature: 0°C to +49°C (32°F to 120°F)
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

3825 Ohio Avenue, St. Charles, Illinois 60174

1-800-SENSOR2, FAX: [phone]

www.systemsensor.com

Before Installing

Please thoroughly read the System Sensor manual A05­1003, Applications Guide for 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/ULC­S524, Standard for the Installation of Fire Alarm Systems
and CEC Part 1, Sec. 32.)

General Description

System Sensor 1400 dual-chamber ionization smoke 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, 2-wire con­trol panels only. The detector’s operation and sensitivity
can be tested in place.

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
detector 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
detectors. 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 1 I56-279-05R

WARNING

TAMPER

RESISTANT

TA

B

TO

MAKE DETECTOR TAMPER RESISTANT,

BREAK OFF TAB EXTENSION

AT

SCRIBED LINE

Figure 1. Surface mounting of Model 1400 detector
on 3-1/2 and 4 inch octagonal box:

S0139-00

Figure 2. Model 1400 detector mounting bracket:

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″ insula­tion from the end of the wire. Then, slide the bare end of
the wire under the clamping plate and tighten the clamping
plate screw. A wiring diagram for a typical 2-wire detector
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 compat­ibility 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-listed control units and detectors. A copy of this list
is available from System Sensor upon request.

Mounting

Each 1400 detector is supplied with a mounting bracket kit
that permits the detector to be mounted:

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

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

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 jurisdic­tion, 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.

D400-07-00 2 I56-279-05R

electrical box, or

with the supplied mounting bracket kit.

S0140-00

Tamper-resistant Feature

This detector includes a tamper-resistant feature that effec­tively 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 bracket
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.

CAUTION

CAUTION

+

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

+

–

–

–

+

3

2

1

3

2

1

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

PUSH RECESSED TEST SWITCH WITH
A 0.1" MAX. DIAMETER TOOL.

TEST MODULE

SOCKET

LED

RECESSED

TEST SWITCH

TAMPER SLOT

A. Recessed Test Switch

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

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.

Figure 4).

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 voltme-

Smoke detectors are not to be used with detector guards
unless the combination has been evaluated and found
suitable for that purpose.

ter 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. obscuration

Testing

Before testing the detector, look for the presence of the

as described in the Gemini 501 manual. Using the bowl

shaped applicator, apply aerosol until the unit alarms.

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).

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

S0141-00

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

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.

as follows:

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

D400-07-00 3 I56-279-05R

S0142-00

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 mainte­nance 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.

Figure 5. Removal of cover and screen for cleaning:

S0143-00

Please refer to insert for the Limitations of Fire Alarm Systems

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
workmanship under normal use and service during the three year period
commencing 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

D400-07-00 4 I56-279-05R
©2004 System Sensor

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 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
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 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.