ESL Wireless Smoke Alarms
Caddx: NX491T
Wireless
Installation Instructions
ITI: 60-848-01-95
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4300 Series
NX Series
Wireless Smoke Detector
Wireless Smoke Alarm/Detector
US
LISTED
Description
The ESL smoke alarms are Learn Mode wireless sensors
with 319.5 MHz transmitters that use photoelectric
technology with a self contained sounder, a low battery
annunciator, and a status LED. The smoke alarms are part
of a security/fire alarm system and communicate with the
system control panel.
The smoke alarms provide the following features:
Self-diagnostics. The smoke alarms monitor their own
sensitivity and operational status.
Base tamper switch sends a tamper signal transmission to
the control panel when the smoke alarms are removed from
their mounting bases.
Integrated fixed 135°F temperature and rate of rise heat
detector trips an alarm based on high temperature detected
or rapidly rising temperature rate (15°F/minute minimum).
Transmitted Signal Outputs
The smoke alarms transmit the following signals to the
control panel:
• Alarm
• T amper
• Test
• Low battery
• Trouble
• Supervisory
Sounder
LED
Figure 1. Alarm Features
T emperature sensor
T est/Silence button
Selecting a Location
Selecting a suitable location is critical to the operation of
smoke alarms. This equipment should be installed in
accordance with the National Fire Protection Association’s
(NFP A) Standard 72. See Figure 2.
A-8-1.2.1.a Where to Locate the Required Smoke Alarms
in Existing Construction.
The major threat from fire in a family living unit occurs at
night when everyone is asleep. The principal threat to
persons in sleeping areas comes from fires in the remainder of the unit. Therefore, a smoke alarm(s) is best located
between the bedroom areas and the rest of the unit. In
units with only one bedroom area on one floor, the smoke
alarm(s) should be located as shown in Figure 2 A.
In family living units with more than one bedroom area or
with more than one floor, more than one smoke alarm is
required, as shown in Figure 2 B.
In addition to smoke alarms outside of the sleeping areas,
the installation of a smoke alarm on each additional story
of the family living unit, including the basement, is
required. These installations are shown in Figure 2 C. The
living area smoke alarm should be installed in the living
room or near the stairway to the upper level, or in both
locations. The basement smoke alarm should be installed
in close proximity to the stairway leading to the floor
above. Where installed on an open-joisted ceiling, the
alarm should be placed on the bottom of the joists. The
alarm should be positioned relative to the stairway to
intercept smoke coming from a fire in the basement before
the smoke enters the stairway .
ESL Wireless Smoke Alarms
1
Kitchen
Dining
Room
Figure 2 A. Alarm Placement
TV Room
Bedroom
Bedroom
Living Room
Dining
Kitchen Bedroom
Room
Living Room
Bedroom
Bedroom
Bedroom
A-8-1.2.1.c Are More Smoke Alarms Desirable?
The required number of smoke alarms might not provide
reliable early warning protection for those areas separated
by a door from the areas protected by the required smoke
alarms. For this reason, it is recommended that the
householder consider the use of additional smoke alarms
for those areas for increased protection. The additional
areas include the basement, bedrooms, dining room,
furnace room, utility room, and hallways not protected by
the required smoke alarms. The installation of smoke
alarms in kitchens, attics (finished or unfinished), or
garages is not normally recommended, as these locations
occasionally experience conditions that can result in
improper operation.
Important !
Regulations pertaining to smoke alarm installations vary from state to state. For more information, contact your local fire department or local
authority having jurisdiction.
Figure 2 B. Alarm Placement
Bedroom
Living
Room
Basement
Figure 2 C. Alarm Placement
= Required smoke alarms
= Additional smoke alarms required for new construction
Bedroom
Dining
Room
In addition to NFP A 72, use the following location
guidelines to optimize performance and reduce the chance
of false alarms:
• Locate ceiling-mounted smoke alarms in the center of a
room or hallway at least 4 inches (10.2cm) from any
walls or partitions.
• Locate wall-mounted smoke alarms so the top of the
alarm is 4 to 12 inches (10.2 to 30.5cm) below the
ceiling.
• Locate in a suitable environment as follows:
- T emperature between 40°F (4.4°C) and 100°F (37.8°C)
- Humidity between 0 and 95% non-condensing
• Locate away from air conditioners, heating registers
and any other ventilation source that may interfere
with smoke entering the alarm.
• Mount smoke alarms on a firm permanent surface,
typically a stud or metal runner.
• Locate away from large metallic objects.
A-8-1.2.1.b Where to Locate the Required Smoke Alarms
in New Construction.
All of the smoke alarms specified in A-8-1.2.1.a for existing
construction are required and, in addition, a smoke alarm is
required in each bedroom.
2
ESL Wireless Smoke Alarms
Installing the Alarms
1 . Slide the battery compartment cover away from the
alarm to unsnap it and lift it off. See Figure 3.
2 . Observing proper polarity, insert the two lithium
batteries provided into the alarm battery compartment
and replace the battery compartment cover.
3. Making sure that the unit is removed from its base, put
the panel in program mode/Learn Mode.
4 . Remove the red plastic dust cover from the alarm. The
alarms are shipped with a dust cover for protection on
construction sites with dusty environments.
5. With the base still removed, press the test/silence
button until the panel indicates that the sensor has
been enrolled.
6 . Before permanently mounting the alarm, disconnect the
alarm notification appliances and test the communication between the control panel and each smoke alarm as
follows:
- Press the test/silence button on the alarm for 2
seconds. The alarm sends a test signal to the control
panel.
- At the control panel, verify the test signal was
received and the RF signal strength is adequate. If no
signal is received or the RF signal is weak, relocate the
alarm and retest.
7. Using the two screws and anchors provided, mount
the base.
8 . Attach the alarm to the mounting base as follows:
- Line up the raised tab on the lip of the alarm with the
slot on the lip of the mounting base. See Figure 3.
- Insert the alarm into the base and turn clockwise
approximately 15 degrees. It should snap firmly into
place.
9. Test the communication between the control panel
and each smoke alarm as follows:
- One at a time, press the test/silence button on the
alarm for 2 seconds. The alarm sends a test signal to
the control panel.
Note
Continuing to press and hold the test button for
more than 20 seconds will send an alarm signal
to a control station.
- At the control panel, verify the test signal was
received.
10. Test each alarm (see Smoke Testing the Alarm) and
reconnect all alarm notification appliances.
Tab
Slot
Battery
compartment
Figure 3 - Alarm-to-Base Alignment
Smoke Testing the Alarms
Smoke alarms should be tested in place annually using
smoke or Smoke! in a can®. Follow the instructions on the
canned smoke or use the following steps to test the
alarms with smoke:
1 . Hold a smoldering punk or cotton wick close to the
smoke entry openings.
2 . Gently direct the smoke into the unit for 20 seconds or
until an alarm is indicated.
Be sure to properly extinguish the smoke source after
testing! The alarm LED should remain on while the built-in
transmitter sends an alarm signal to the control panel. The
alarms will sound a temporal rhythm until the test/silence
button is pressed. The alarms automatically reset when
smoke is no longer present.
Important !
The control panel alarm and all auxiliary functions should be verified for a complete test of the
system.
ESL Wireless Smoke Alarms
3
Testing the Alarms Sensitivity
The smoke alarms provide a sensitivity level test mode
that allows you to check the alarm sensitivity using the
test/silence button and the LED indicator on the alarms as
follows:
1. Press the test/silence button on the alarm for 2 seconds. First the alarm transmits a test signal to the panel,
and then performs a test and the LED flashes one to
nine times.
2 . Count the number of LED flashes and use the following
table to determine the status of the alarm sensitivity
and what action to take, if any.
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If the sensitivity is not within limits, or an unserviceable
hardware fault is detected, the LED extinguishes until the
alarm is serviced and the built-in transmitter sends a
trouble signal to the control panel if the alarm is too
sensitive or stops sending a supervisory signal if the
alarm is not sensitive enough.
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Understanding the Test/Silence
Button
The test/silence button performs four functions as
follows:
1. Sounder/Sensitivity Test - Press the test/silence button
until the LED lights or the sounder activates (about 2
seconds) and release. The alarm performs a sounder
test and a sensitivity test and sends a test signal to the
control panel. This allows users to test the unit on
compatible panels without putting the panel in test
mode and therefore reduces false alarms.
2. Central S tation Alarm T est - T o force an alarm report to
the central station, press the test/silence button down
and hold it for two complete temporal cycles (about 9
seconds).
3. Silence Alarm - Press and release to silence the
sounder during an alarm. After a few minutes, the
sounder and alarm will resume if smoke is still present.
4. Silence Low Battery Chirp - Press and release to
silence a low battery chirp. The low battery chirp
resumes after 24 hours if the condition is not corrected.
Understanding the LED
The LED indicates the status of the alarms as follows:
FLASHING = Flashes every 9 seconds to indicate normal
operation.
ON = Detects smoke, sending an alarm.
OFF = Trouble. Maintenance is required. Check the
control panel to determine what action to take. If the alarm
has a hardware fault, it will stop reporting supervision
signals to the panel.
Attaching and Removing
the Alarms
T o remove the alarm from the mounting base, grasp the
alarm and turn counterclockwise approximately 15 degrees.
The alarm should snap off of the mounting base.
Attach the smoke alarm to the mounting base as follows:
Figure 4. Removing Alarm Cap
4
- Line up the raised tab on the lip of the smoke alarm
with the slot on the lip of the mounting base. See
Figure 3.
- Insert the smoke alarm into the base and turn clockwise approximately 15 degrees. It should snap firmly
into place.
When to Replace the Batteries
When the batteries are low, the alarm sends a low battery
signal to the control panel, waits several days and then
chirps every 30 seconds until the batteries are replaced.
The sounder can be silenced for 24 hours by pushing the
test/silence button. See Specifications for battery type
list.
ESL Wireless Smoke Alarms
Replacing the Batteries
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Use only 3V lithium batteries listed in Specifications in the
alarm.
1 . Remove the alarm from the mounting base. See
Attaching and Removing the Alarms.
2 . Slide the battery compartment cover away from the
alarm to unsnap it and lift it off. See Figure 3.
3. Remove the batteries and dispose of properly.
4 . Observing correct polarity, insert two new 3V lithium
batteries into the battery compartment and replace the
cover.
5. Reattach the alarm to the mounting base. See Attaching
and Removing the Alarms.
6. Test the system.
Maintaining the Alarms
The smoke alarms are designed for easy field service and
maintenance. When installed and used properly, they
require minimal maintenance.
The smoke alarms should be tested weekly. See Testing
the Alarms Sensitivity and Smoke Testing the Alarms.
When an alarm requires maintenance, it extinguishes its
LED and sends a signal to the control panel as described
in the following table.
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Cleaning the Alarms
Clean the alarm cover with a dry or damp (water) cloth as
needed to keep it free from dust and dirt.
When necessary , clean the alarm interior and replace the
smoke chamber (part #211) as follows:
1 . Disconnect the alarm notification appliances.
2 . Remove the alarm from its mounting base. See Attach-
ing and Removing the Alarms.
3. Remove the batteries. See Replacing the Batteries.
4 . Slide a flat-blade screwdriver in the slot on the alarm
cap and gently push the handle down to pry the alarm
cap up and off. See Figure 4.
5 . Press in on the sides of the field replaceable optical
chamber and pull it up and away from the optical base
and discard. See Figure 5.
6. Blow out or use a soft-bristled brush to remove all dust
and dirt from the optical base.
7 . Line the new field replaceable optical chamber up with
the optical base and snap into place both sides of the
optical chamber.
8 . Replace the alarm cap as follows:
-Line the alarm cap up with the smoke alarm.
-Insert the alarm cap into the smoke alarm and turn
clockwise approximately 15 degrees. It should snap
firmly into place.
9. Observing the proper polarity, put the batteries back in
the alarm and replace the battery compartment cover.
10.Reattach the alarm to its mounting base. See Attaching
and Removing the Alarms.
11.Test the alarm sensitivity and reconnect all alarm
notification appliances. See Testing the Alarms
Sensitivity.
Optical base
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Figure 5. Alarm Parts
Smoke
chamber latch
Indentation
Optical chamber
Alarm cap
Important !
The control panel alarm and all auxiliary functions
should be verified for a complete test of the
system.
ESL Wireless Smoke Alarms
5
Fire Prevention and Escape
The purpose of an early warning smoke alarm is to detect
the presence of fire in its early stages and sound an alarm
giving the occupants time to exit the premises safely .
A void Fire Hazards
No detection device can protect life in all situations.
Therefore, safeguards should be taken to avoid potentially dangerous situations as follows:
• Do not smoke in bed.
• Do not leave children home alone.
• Never clean with flammable liquids such as gasoline.
• Properly store materials. Use general good housekeeping techniques to keep your home neat and tidy. A
cluttered basement, attic, or other storage area is an
open invitation to fire.
• Use combustible materials and electrical appliances
carefully and only for their intended uses. Do not
overload electrical outlets
• Do not store explosive and/or fast burning materials in
your home.
• Even after proper precautions have been taken, fires
can start. Be prepared.
In Case of Fire
In the event of a fire, you should do the following:
• Leave immediately . Don’ t stop to pack or search for
valuables.
• In heavy smoke, hold your breath and stay low, crawl if
necessary . The clearest air is usually near the floor.
• If you have to go through a closed door , carefully feel
the door and door knob to see if undue heat is present.
If they seem cool, brace your foot against the bottom
of the door with your hip against the door and one
hand against the top edge. Open it slightly. If a rush of
hot air is felt, slam the door quickly and latch it.
Unvented fire tends to build up considerable pressure.
Be sure all members of the household realize and
understand this danger.
• Use your neighbor’s phone or a street fire alarm box to
call the fire department. The job of extinguishing the
fire should be left to the professionals.
Be Prepared
Practice the following steps to prepare you and your
family in the event of a fire:
• Perform fire drills regularly . Use them to assure recognition of an alarm signal.
• Draw a floor plan and show two exits from each room. It
is important that children be instructed carefully ,
because they tend to hide in times of crisis.
• Establish one meeting place outside the home. Insist
that everyone meet there during an alarm. This will
eliminate the tragedy of someone reentering the house
for a missing member who is actually safe.
• If you have children and/or physically challenged
people residing in your household, use window decals
to help emergency personnel identify the sleeping
quarters of these individuals.
WARNING
Smoke alarms CANNOT provide warnings for
fires resulting from explosions, smoking in bed
or other furniture, ignition of flammable liquids,
vapors and gases, children playing with matches
or lighters.
Warning! Limitations of Smoke
Alarms
Wireless smoke alarms are very reliable, but may not work
under all conditions. No fire alarm provides total protection
of life or property. Smoke alarms are not a substitute for life
insurance.
Smoke alarms require a source of power to work. This
smoke alarm will not operate and the alarm will not sound if
batteries are dead or not installed properly.
Unreliable transmission or receiving of radio frequency
(RF) signals may occur if the system is not installed,
located, serviced and repaired properly . RF signals sent by
this alarm may be blocked or reflected by metal objects.
Adjacent devices or systems using radio frequency signals
may interfere with the operation of this alarm. T est the
system often to be sure that signals are being sent and
received properly.
Smoke alarms may not be heard. A sound sleeper or
someone who has taken drugs or alcohol may not awaken
if the alarm is installed outside a bedroom. Closed or
partially closed doors and distance can block sound. This
alarm is not designed for the hearing impaired.
Smoke alarms may not always activate and provide
warning early enough. Smoke alarms only activate when
enough smoke reaches the detector. If a fire starts in a
chimney , wall, roof, on the other side of closed doors, or on
a different level of the property enough smoke may not
reach the detector for it to alarm.
Smoke alarms are a significant help in reducing loss,
injury and even death. However , no matter how good a
detection device is, nothing works perfectly under every
circumstance and we must warn you that you cannot
expect a smoke alarm to ensure that you will never suffer
any damage or injury .
6
ESL Wireless Smoke Alarms
Limited Warranty
ESL is a brand of Interlogix, Inc. The manufacturer
warrants this smoke alarm (except batteries) to be free
from defects in material and workmanship under conditions of normal use for a term of 3 years from the date of
manufacture.
During the warranty period, if an Interlogix product or any
of its components becomes defective, it will be repaired or
replaced without charge.
Out-of-warranty units will be repaired at the discretion of
the manufacturer or, if not, a card will be forwarded to the
customer suggesting a replacement unit and the cost of
that unit.
This warranty does not apply to units which have been
subject to abuse, misuse, negligence or accident, or to
which any modifications, alterations or repairs have been
made or attempted.
This warranty is extended only to the original purchaser
of the smoke alarm and may be enforced only by such
person. During the warranty period, if the alarm or any
warranted components thereof becomes defective, it will
be replaced or repaired without charge at the
manufacturer’s discretion if returned in accordance with
the following instructions:
limitations on how long an implied warranty lasts, or the
exclusion or limitation of incidental or consequential
damages, so the above limitations and exclusions may not
apply to you. Unless a longer period is required by
applicable law, any action against manufactur er in
connection with this smoke alarm must be commenced
within one year after the cause of action has occurred.
No agent, employee or representative of the Manufacturer
nor any other person is authorized to modify this warranty
in any respect. Repair or replacement as stated above is
the exclusive remedy of the purchase hereunder. This
warranty gives you specific legal rights and you also have
other rights which vary from state to state.
FCC Compliance
This device complies with Part 15 of the FCC rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference.
(2) This device must accept any interference received,
including interference that may cause undesired operation.
FCC ID: B4Z-773A-SMOKE
Obtain a Return Authorization Number by calling
1-800-648-7422 or 503-692-4052, then carefully pack it in a
well padded and insulated carton and return, postal
charges prepaid to:
Customer Service
Interlogix, Inc.
12345 SW Leveton Drive
T ualatin, OR 97062-9938
A note should be included advising the nature of the
malfunction. Care must be exercised in the proper packing
of alarms returned under this warranty as Interlogix will
not be responsible for warranty repairs to equipment
damaged because of improper packing.
The above warranty is in lieu of all other express
warranties, and implied warranties of merchantability
and fitness for a particular purpose are limited in
duration for a period of THREE years from the date of
manufacture. Under no circumstances shall manufacturer be liable to the purchaser or any other person for
incidental or consequential damages of any nature,
including without limitation damages for personal injury
or damages to property , and however occasioned, whether
alleged as resulting from breach of warranty by manufacturer , the negligence of manufacturer or otherwise.
Manufacturer’s liability will in no event exceed the
purchase price of the product. Some states do not allow
ESL Wireless Smoke Alarms
7
Specifications
Voltage ...................................................................... 3VDC
Typical average standby current ............................... 25µA
Typical test current .................................................... 2mA
T ypical alarm current................................................. 70mA
Battery type ........................ Duracell® 3V lithium, DL123A
.............................................Duracell® 3V lithium, MN1500
..............................................Panasonic® lithium, CR123A
.................................................... Sanyo® lithium, CR123A
....................................... Eveready Energizer® lithium, E91
Low battery threshold .......2.70V causes low battery signal
Sounder................................ 85dBa at 10' temporal pattern
Low battery beep rate .................... 1 every 30 sec. ± 2 sec.
Sensitivity .................................................. 2.3% ± 0.8%/ft.
Operating temperature ....................40°-100°F (4.4°-37.8°C)
Operating humidity range ............. 0-95% non-condensing
RFI Immunity ........................ 20V/m minimum; 0-1000MHz
For use with the following panels:
Color .......................................................................... white
Alarm dimensions .................... 5.5" x 2.3" (14.0cm x 5.6cm)
Base dimensions ................. 4.88" x 0.38" (12.3cm x 0.95cm)
Drift compensation adjustment ...................... 0.5%/ft. max.
Heat detector specifications:
Rate of rise..............15°F/min>105°F (8.3°C/min>40.6°C)
Fixed ...................................135°F ± 5°F (57.2°C ± 2.8°C)
RF frequency ..................................................... 319.5 MHz
Transmitter ID ................ Pre-programmed, 1 Million codes
Modulation type .......................................................... AM
Signal format ............................................................. PWM
Signal output types........... .alarm, tamper, test, low battery ,
........................................................... trouble, supervisory
Approvals ........................................... Canada: 8671032273
........................................... FCC Part 15: B4Z-773A-Smoke
Listings
C-UL US............................................. UL217, ULC-S531
Caddx: NX4, NX6, NX8, NX8E
ITI: Commander 2000 and custom versions with sofware versions 4.1 and later , CareT aker Plus and custom versions
with software versions 3.1 and later, UltraGard and custom versions, Concord, Concord Express, Simon
Product Ordering
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Patents: 4,855,713 & 4,864,636 & 5,686,885 & 5,686,896
8
Interlogix, Caddx, ESL, ITI and Sentrol are trademarks of Interlogix,Inc.
©2001 Interlogix, Inc.
All other trademarks are properties of their respective owners.
1033887 Rev D 10/01
ESL Wireless Smoke Alarms
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