ESL 320A/350 Series
AC Powered Photoelectric
Smoke Alarm
Installation Instructions
UL

CSFM
MEA
LISTED
Description
ESL 320A/350 Series alarms are single/multiple station photoelectric
AC smoke alarms designed for use in residential occupancies including
hotels, motels, and dormitories. The 320A/350 Series is compatible
with existing ESL 320 Series wiring. The 320A and 350 Series models
are identical except the 350 Series provides battery back-up and
requires a 9V Duracell battery for installation.
The 320A/350 Series alarms cannot be used in systems with
control panels, pullstations, heat sensors, elevator recall, or fire
door release, etc.
Depending on the model, the 320A/350 Series alarms provide the
following features:
Tandem interconnect capability allows up to 12 alarms to be
connected together on one circuit.
Self-diagnostic, monitors its own sensitivity. If the alarm drifts out
of the UL listed sensitivity range, the LED flashes rapidly.
Battery back-up (350 Series) offers up to 46 hours of continuous
protection in the event of a power outage.
Base tamper discourages unauthorized removal of the alarm from
the base.
Figure 1 (a)
Dining
Room
Kitchen Bedroom Bedroom
Living Room
Bedroom
Figure 1 (b)
TV Room
Dining
Room
Kitchen
Bedroom
Living Room Bedroom
Bedroom
Selecting a Location
Selecting a suitable location is critical to the operation of smoke alarms.
To determine how many alarms you need and where to place them, you
should follow the guidelines established by the National Fire Protection
Agency (NFPA72) as follows:
A-8-1.2.1.A Where to Locate the Required Smoke Detectors 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 detector (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 detector (s) should be located as shown in Figure 1
(a). In family living units with more than one bedroom area or with
bedrooms on more than one floor, more than one smoke detector is
required, as shown in Figure 1 (b).
In addition to smoke detectors outside of the sleeping areas,
Chapter 8 requires the installation of a smoke detector on each
additional story of the family living unit, including the basement.
These installations are shown in Figure 1 (c). The living area smoke
detector should be installed in the living room or near the stairway
to the upper level, or in both locations. The basement smoke
detector should be installed in close proximity to the stairway
leading to the floor above. Where installed on an open-joisted
ceiling, the detector should be placed on the bottom of the joists.
The detector should be positioned relative to the stairway so as to
intercept smoke coming from a fire in the basement before the
smoke enters the stairway.
A-8-1.2.1.B Where to Locate the Required Smoke Detectors in
New Construction.
All of the smoke detectors specified in A-8-1.2.1.A for existing
construction are required and, in addition, a smoke detector is
required in each bedroom.
ESL 320A/350 Series
Figure 1 (c)
Bedroom
Living
Room
Bedroom
Dining
Room
Basement
= Required smoke alarms
= Additional smoke alarms required
for new construction
Note: See NFPA Standard 72 (1999) 8-1.4.6.2
A-8-1.2.1.C Are More Smoke Detectors Desirable?
The required number of smoke detectors might not provide reliable
early warning protection for those areas separated by a door from the
areas protected by the required smoke detectors. For this reason, it is
recommended that the householder consider the use of additional
smoke detectors 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 detectors. The installation of smoke detectors in kitchens,
attics (finished or unfinished), or garages is not normally
recommended, as these locations occasionally experience conditions
that can result in improper operation.
1
A-8-1.4.1.
Refer to Figure 2 where required smoke detectors are shown.
Smoke detectors are optional where a door is not provided between
a living room and a recreation room.
WARNING !
Turn off AC power to the electrical wiring before
mounting the alarm.
1. For 350 model alarms: Observing the correct polarity, install a 9V
Duracell battery into the battery compartment in the back of the
alarm and slide the battery door closed. See Figure 3.
2. If you are using the base tamper, use pliers to break off the tip
of the tab located on the back side of the alarm. See Figure 3. When
the base tamper is used, you must insert a screwdriver into a slot
on the alarm to remove it from the base.
3. Using an NEC approved method, attach the connector assembly
provided to the appropriate building electrical wiring. See Wiring
the Alarms.
4. Remove the backing from the adhesive strip on the back of
the gasket.
5. Line up the straight edges of the gasket with the lines on the
backside of the mounting base and attach the gasket to the
mounting base.
6. Insert the connector assembly through the center hole in the
mounting base and gasket and attach the base to the
mounting surface.
7. Plug the connector assembly into the socket on the back of the
smoke alarm. For 350 Series units, the battery must be
installed and the cover must be closed before the connector
can be attached.
8. Attach the alarm to its mounting base as follows:
Figure 2
Bedroom
Bedroom
Living Room
Recreational Room
Basement
Required smoke alarm
Optional alarm if door is not provided
between living and recreational rooms
Additional smoke alarms required for
new construction
Important: Regulations pertaining to alarm installation vary
from state to state. For more information, contact your local fire
department or local authority having jurisdiction.
In addition to NFPA 72, use the following location guidelines to ensure
optimum performance from your alarms:
• Locate ceiling-mounted alarms in the center of a room or hallway at
least 4 inches from any walls or partitions.
• Locate wall-mounted alarms so the top of the alarm is 4 to 12
inches below the ceiling.
• Locate in a suitable environment as follows:
- Line up the arrow on the mounting base with the tab on the alarm.
See Figure 4.
- Insert the alarm into the base and turn clockwise approximately
15 degrees. It should snap firmly into place.
- Temperature between 40°F and 100°F
- 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 alarms on a firm permanent surface.
9. Apply AC power to the alarm.
10. To test the installation, press the test/silence button for
approximately 1 second and release. The alarm should go into
alarm, the LED should light steadily, and the sounder should emit a
temporal pattern.
Testing of one alarm will also cause in tandem alarms to sound. It
is recommended that each alarm is tested individually.
11. Test the alarm. See Smoke Testing the Alarm.
Installing the Alarm
Mounting the Alarm
The alarm uses a mounting base for attaching to walls and ceilings or
directly to standard single-gang, 3-inch round, or 4-inch octagonal
electrical boxes. Contact a licensed electrician to install permanent
concealed wiring.
Refer to the following figure as you install the alarm.
Battery
compartment
(350 models only)
Mounting base
Gasket
.
Connector
assembly
Socket
Adhesive strip
Base
tamper
tab
Electrical box
Figure 3
2
ESL 320A/350 Series
Testing the Alarm
The alarm power, sounder, and electronic module should be tested
monthly as follows:
Arrow
•
Press the test/silence button for approximately 1 second and release.
•
The alarm should go into alarm, the LED should light steadily, and
the sounder should emit a temporal pattern.
•
If the alarm successfully goes into alarm, the unit has power and
the electronic module is functioning properly.
•
If the alarm fails the test, first check that the power is present. If
it still fails, it could mean that the alarm needs cleaning. See
Cleaning the Alarm.
Tab
Figure 4
Wiring the Alarms
Electrical wiring should be done by a licensed electrician. Refer to
Figures 5 and use the following guidelines to wire the alarms:
Smoke Testing the Alarm
Smoke alarms should be tested in place annually using smoke or
canned aerosol simulated smoke. Follow the instructions on the canned
smoke or use the following steps to test the alarm with smoke:
• Observe all applicable building code requirements. Installation wiring
shall conform with Article 760; Fire Protective Signaling Systems; of
the National Electrical Code NFPA 70 1996 Edition. The tandem bus
qualifies as a power limited circuit.
1. Hold a smoldering punk or cotton wick close to the smoke
entry openings.
• Use 14 AWG cable or equivalent.
2. Gently direct the smoke into the alarm for 20 seconds or until an
alarm is indicated.
• AC primary power must be supplied either from a dedicated branch
circuit or the unswitched portion of a branch circuit also used for
power and lighting.
BE SURE TO PROPERLY EXTINGUISH THE SMOKE SOURCE
AFTER TESTING! The alarm LED should light steadily and the
sounder activates until the smoke clears or the test/silence button
is pressed.
• When replacing a 320 Series alarm with a 320A/350 Series alarm, use
the existing connector.
• When replacing a 320ACX Series alarm, use the existing 320 Series
connector and cap the white/red and white/blue wires. Do not cap
them together.
Understanding the LED
The LED indicates the status of the alarm as follows:
FLASHING = Flashes every 6 seconds to indicate normal operation.
Flashes every .5 seconds to indicate alarm needs cleaning.
Single Station Installation
• Cap the RED wire. Do not connect it to any other circuit.
ON = Detects smoke, sending an alarm.
Tandem Station Installation
OFF = No power.
• Do not connect more than 12 alarms in a tandem circuit per NFPA 72.
When units are interconnected and one alarm activates, the LED
on units sensing smoke light steadily, and the LED on the others flash
every 4 seconds. This feature allows you to identify which alarms
have detected smoke.
• Do not exceed 5000 feet (1524 meters) for a tandem circuit.
• Use only 320 Series and 320A/350 Series alarms in tandem
connections.
Wiring for tandem connections (maximum of 12)
black
white
red
tandem bus
Unswitched
120 VAC 60 Hz
power supply
form A relay
form C relay
red
black (hot)
white (neutral)
Model 320ACX/350CX
black
white
red
blue
orange
yellow
violet
violet
Model 320ACC/350CC
black
white
red
blue
orange
yellow
violet
violet
Model
320A/350
form A relay
form C relay
to additional
smoke alarms
Figure 5
ESL 320A/350 Series
3
Silencing the Alarm
The alarm sounder activates a temporal pattern when smoke is
detected by any alarm. To temporarily silence the sounder, press the
test/silence button.* The sounder resumes if smoke is still present. A
low-battery chirp in the 350 models can only be silenced by replacing
the battery.
* - Only the initiating alarm can be silenced and only when smoke
obscuration is less than 4%/ft. During the "silenced" period, the LED
will continue to be steady, and the sounder chirps every 4 seconds as
long as smoke is present. If connected in a tandem circuit, only the
smoke alarm that initiated the alarm can be silenced.
Attaching/Removing the Alarm
Attach the alarm to its mounting base as follows:
- Plug the power connector into the back of the alarm. The battery
cover must be closed before the connector can be attached.
- Lineup the arrow on the mounting base with the tab on the alarm. See
Figure 4.
- Insert the smoke alarm into the base and turn clockwise approximately 15 degrees. It should snap firmly into place.
To remove the alarm from the mounting base, grasp the alarm and
turn it counterclockwise approximately 15 degrees. The alarm should
snap out of the mounting base. Unplug the power connector from the
back of the alarm and, if applicable, remove the batteries.
Use the following steps to clean the alarm:
1. Remove the alarm from its mounting base. See Attaching/
Removing the Alarm.
2. Remove the cover from the alarm base as follows:
- Open the battery compartment
- Press the tab next to the indent and lift off the cover.
- Close the battery compartment.
3. Lift the clear plastic cover off the circuit board. See Figure 7.
4. Press in on the sides of the smoke chamber and pull it straight
out and away from the alarm and discard. See Figure 7.
5. Blow out or use a soft-bristled brush to remove dust and dirt
from the smoke chamber base.
6. Line the new smoke chamber up with the smoke chamber base
and snap down into place. Press firmly for proper seating
(chamber should click twice into place).
7. Replace the clear plastic cover.
8. Replace the alarm cover as follows:
- Slide the tab on the cover into the two corresponding slots on
the alarm base. See Figure 4.
- Gently press the cover and alarm together. They should snap
together firmly.
9. Reattach the alarm to its mounting base. See Attaching/Removing
the Alarm.
10. Test the alarm. See Smoke Testing the Alarm.
To remove the alarm from the mounting base when the base
tamper is used, insert a small screwdriver into the locking tab slot on
the side of the base and press in while simultaneously turning the
alarm counterclockwise 15 degrees. See Figure 6.
The alarm should snap out of the mounting base. Unplug the power
connector from the back of the alarm.
Test/silence button
LED
Smoke alarm
cover
Tab
Clear plastic cover
Figure 6
Smoke chamber
Cleaning the Alarm
You need a replacement smoke chamber to clean the smoke alarm
(Part #211). The alarm activates if the smoke chamber is
removed while power is applied.
Slots
WARNING !
Remove power, including batteries, from unit before
replacing the smoke chamber.
4
Figure 7
ESL 320A/350 Series
Maintaining the Alarm
The 320A/350 Series smoke alarms are designed for easy field service
and maintenance. When installed and used properly, they require
minimal maintenance.
Alarms should be tested in place annually using smoke or canned aerosol
simulated smoke. See Smoke Testing the Alarm.
Use the information in the following table to determine when routine
maintenance is required:
This indicator
Requires this maintenance
Sounder chir ping
Replace batter y
LED flashing rapidly
Clean the alarm
Replacing the Back-up Battery
The 350 Series alarm provides a battery back-up which requires one 9V
Duracell alkaline battery (provided). Battery life varies depending on
how often the back-up is used. The battery should be replaced yearly. If
a low battery condition is detected, the alarm sounds a trouble chirp
every 40 seconds until the battery is replaced.
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.
Avoid 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.
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.
• 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.
• 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.
• 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
The 320A/350 Series smoke alarm is designed to be connected to the
electrical system of your home and it requires electric power to
operate. It will not operate and the alarm will not sound if, for any
reason, the power source is cut off. In the case of an electrical fire,
for example, the power source may be cut off before the alarm can
function, and the alarm will not sound. If this smoke alarm is
connected to a separate dedicated circuit it should work more reliably
than devices connected to circuits serving other appliances, but even
in dedicated circuits it can fail. It is advisable to install a batterypowered smoke alarm as a backup system. All smoke alarms should
be regularly and thoroughly inspected and tested (at least once per
month) to help maintain continued operability.
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.
• 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.
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.
In Case of Fire
In the event of a fire, you should do the following:
Limited Warranty
• Leave immediately. Don’t stop to pack or search for valuables.
• 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 realizes and understands this danger.
• In heavy smoke, hold your breath and stay low-crawl if necessary.
The clearest air is usually near the floor.
• 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
fire professionals.
ESL is a product 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 at the manufacturer’s discretion.
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.
ESL 320A/350 Series
5
The defective smoke alarm must be returned in accordance with the
following instructions:
Obtain a Return Authorization Number by calling 800-648-7422 or 503692-4052, 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
Tualatin, 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
OFWARRANTY 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
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 MANUFACTURER 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.
Specifications
Voltage......................................................................120 VAC/60 HZ
Current.......................................................................... 130mA max.
Sensitivity............................................0.83%/ft. min - 2.46%/ft.max.
Operating temperature..........................40°F-100°F (4.4°C -37.8°C)
Operating humidity.......................................0-95%, non-condensing
Sounder............................................................ 85 dB at 10' (305 cm)
Relay time delay.................................................5 seconds (nominal)
Contacts .......................................1A @ 30 VDC, 120 VAC resistive
Diameter..........................................................................6" (15.2 cm)
Height................................................................................2" (6.4 cm)
Weight ......................................................................................9.6 oz
Listings............................................................ UL217, CSFM, MEA
Battery.....................................9V Alkaline Duracell, Type MN1604
Product Ordering
Model
Description
320A/350
120VAC, photoelectric alarm with pigtail connector (350 model includes 9V battery back-up)
320ACC/350CC
120VAC, photoelectric alarm with pigtail connector, form A and form C relays that do not operate from the
tandem circuit, they must detect smoke (350CC model includes 9V battery back-up)
320ACX/350CX
120VAC, photoelectric alarm with pigtail connector, form A and form C relays that operate from the tandem
circuit and when smoke is detected (350CX model includes 9V battery back-up)
Accessories
Description
SM-200
Smoke in a can! ® canned smoke for functional testing of smoke detectors
SM-EXT1
Smoke in a can! ® extension accessory
211
Replacement smoke chambers (set of 10)
 2001 Interlogix. Certain ltems in the Installation Instructions are protected under one or more of the following patents:
5,546,074; 5,798,701; 5,821,666.
15814 Rev B 01/01
6
ESL 320A/350 Series