PHOTOELECTRIC SMOKE AND FIRE ALARM
USER’S GUIDE
MODEL PE120
A.C. Wire-in Single and/or Multiple Station (24 units maximum)
Photoelectric Smoke Alarm with 9 Volt Battery Back Up
Thank you for purchasing this Fyrnetics smoke and fire alarm. It is an
important part of your family’s home safety plan. You can trust
Fyrnetics to provide the highest quality safety products. We know you
expect nothing less when the lives of your family are at stake.
For your convenience, write down the following information.
If you call our Consumer Hotline, these are the first questions
you will be asked.
Smoke Alarm Model Number (located on back of detector):
Date Code (located on back of detector). Manufacturer recommends
replacing this alarm ten years from the date code:
Date of Purchase:
Where Purchased:
LISTED
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WARNING! REMOVAL OF THE SMOKE ALARM BATTERY AND DISCONNECTING OR LOSS
OF A.C. POWER WILL RENDER THE SMOKE ALARM INOPERATIVE.
SINGLE FLOOR PLAN
ELECTRICAL RATING: 120 VAC, 60HZ, 80mA maximum per detector (maximum 80mA for originat-
ing unit with 24 alarms interconnected).
IMPORTANT! READ ALL INSTRUCTIONS BEFORE INSTALLATION AND KEEP THIS MANUAL
NEAR THE ALARM FOR FUTURE REFERENCE.
CONTENTS OF THIS MANUAL
MULTIPLE FLOOR PLAN
1 -- RECOMMENDED LOCATIONS FOR SMOKE ALARMS
2 -- LOCATIONS TO AVOID
3 -- INSTALLATION INSTRUCTIONS
4 -- OPERATION AND TESTING
5 -- NUISANCE ALARMS
6 -- MAINTENANCE
7 -- LIMITATIONS OF SMOKE ALARMS
8 -- GOOD SAFETY HABITS
DIAGRAM A
9 -- NFPA PROTECTION STANDARD 72, SECTION 2-2.1
10 -- SERVICE AND WARRANTY
Smoke Alarms for Minimum Protection
Smoke Alarms for Maximum Protection
Smoke Alarms with “HUSH” Control
Do not try to repair the smoke alarm yourself. Refer to the instructions in Section 11 for service.
DIAGRAM B
1. RECOMMENDED LOCATIONS FOR DETECTORS
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Locate the first alarm in the immediate area of the bedrooms. Try to protect the exit path as the
bedrooms are usually farthest from the exit. If more than one sleeping area exists, locate addi-
tional alarms in each sleeping area.
MOBILE HOME INSTALLATION
Mobile homes built in the past five to seven years have been designed to be energy efficient.
Install smoke alarms as recommended above (refer to RECOMMENDED LOCATIONS and Diagram
A).
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Locate additional alarms to protect any stairway as stairways act like chimneys for smoke and
heat.
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Locate at least one alarm on every floor level.
In mobile homes that are not well insulated compared to present standards, extreme heat or cold
can be transferred from the outside to the inside through poorly insulated walls and roof. This may
create a thermal barrier which can prevent the smoke from reaching an alarm mounted on the ceil-
ing. In such units, install the smoke alarm on an inside wall with the top edge of the alarm at a
minimum of 4” (10 cm) and a maximum of 12” (30.5 cm) below the ceiling (see Diagram A).
Locate an alarm in every bedroom where a smoker sleeps.
Locate an alarm in every room where electrical appliances are operated (i.e. portable heaters or
humidifiers).
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Locate an alarm in every room where someone sleeps with the door closed. The closed door
may prevent the alarm from waking the sleeper.
If you are not sure about the insulation in your mobile home, or if you notice that the outer walls
and ceiling are either hot or cold, install the alarm on an inside wall. For minimum protection,
install at least one alarm close to the bedrooms. For additional protection, see SINGLE FLOOR
PLAN in Diagram B.
Smoke, heat, and combustion products rise to the ceiling and spread horizontally. Mounting the
smoke alarm on the ceiling in the center of the room places it closest to all points in the room.
Ceiling mounting is preferred in ordinary residential construction.
WARNING:TEST YOUR SMOKE ALARM OPERATION AFTER R.V. OR MOBILE HOME VEHICLE
HAS BEEN IN STORAGE, BEFORE EACH TRIP AND AT LEAST ONCE A WEEK DURING USE.
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For mobile home installation, select locations carefully to avoid thermal barriers that may form at
the ceiling. For more details, see MOBILE HOME INSTALLATION below.
When mounting an alarm on the ceiling, locate it at a minimum of 4” (10 cm) from the side wall
and 2 feet (60.96 cm) from any inside corner (see Diagram A).
When mounting the alarm on the wall, it is best to use an inside wall with the top edge of the
alarm at a minimum of 4” (10 cm) and a maximum of 12” (30.5 cm) below the ceiling, and at
least 2 feet (61 cm) from any inside corner (see Diagram A).
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Put smoke alarms at both ends of a bedroom hallway or large room if the hallway or room is
more than 30 feet (9.1 m) long.
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2. LOCATIONS TO AVOID
Alarms must not be located within 3 feet of the following:
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Supply and return registers used for forced air heating and air conditioning.
Ceiling fans and other high air flow areas.
Bathrooms which contain a tub or shower.
In general, alarms should not be located:
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In the garage. Products of combustion are present when you start your automobile.
In an area where the temperature may fall below 40ºF or rise above 100ºF.
In dusty areas. Dust particles may cause nuisance alarms or failure to alarm.
In very humid areas or near a bathroom. Moisture or steam can cause nuisance alarms.
Near fluorescent lights. Electronic “noise” may cause nuisance alarms.
Optional Accessory
FIGURE 1 INTERCONNECT WIRING DIAGRAM
3. INSTALLATION INSTRUCTIONS
WIRING REQUIREMENTS
WIRES ON DETECTOR HARNESS
CONNECTED TO
Black
White
Red
Hot Side of A.C. Line
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This smoke alarm should be installed on a U.L. listed or recognized junction box. All connec-
tions should be made by a qualified electrician and must conform to article 760 of the U.S.
National Electrical Code, NFPA 72 and/or any other codes having jurisdiction in your area.
Neutral Side of A.C. Line
Interconnect Lines (Red Wires) of Other
Units in the Multiple Station Set up
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The appropriate power source is 120 Volt A.C. Single Phase supplied from a non-switchable cir-
cuit which is not protected by a ground fault interrupter.
BATTERY INSTALLATION
See MAINTENANCE (Section 6) for battery installation.
WIRING INSTRUCTIONS FOR A.C. QUICK CONNECT HARNESS
CAUTION! IF THE BATTERY REMINDER FINGER IS NOT HELD DOWN IN THE BATTERY
COMPARTMENT BY THE BATTERY, THE BATTERY DOOR WILL NOT CLOSE, THE A.C. QUICK
CONNECTOR WILL NOT ATTACH TO THE DETECTOR, AND THE DETECTOR WILL NOT ATTACH
TO THE TRIM RING (SEE SECTION 6, FIGURE 6).
CAUTION! TURN OFF THE MAIN POWER TO THE CIRCUIT BEFORE WIRING THE ALARM.
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For units that are used as single station, DO NOT CONNECT THE RED WIRE TO ANYTHING.
Leave the red wire insulating cap in place to make certain that the red wire cannot contact any
metal parts or the electrical box.
MOUNTING INSTRUCTIONS
CAUTION:THIS UNIT IS SEALED. THE COVER IS NOT REMOVABLE!
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When alarms are interconnected, all interconnected units must be powered from a single circuit.
A maximum of 24 Lifesaver devices may be interconnected in a multiple station arrangement.
The interconnect system should not exceed the NFPA interconnect limit of 12 smoke alarms
and/or 18 alarms total (smoke, heat, carbon monoxide, etc.) With 18 alarms interconnected, it is
still possible to interconnect up to a total of 6 remote signaling devices and/or relay modules.
1. Remove the trim ring from the back of the alarm by holding the trim ring and twisting the alarm
in the direction indicated by the “OFF” arrow on the alarm cover.
2. After selecting the proper smoke alarm location as described in Section 1 and wiring the A.C.
QUICK CONNECT harness as described in the WIRING INSTRUCTIONS, attach the trim ring to
the electrical box (see Figure 2).
3. Use a screwdriver to punch out only the pair of holes in the trim ring that match your type of
electrical box or plaster ring. Mount the trim ring to the electrical box, using the appropriate
holes. NOTE: Use the circle, square and octagon markings near each mounting hole in the trim
ring to help you select the correct mounting holes (see Figure 2).
4. Pull the A.C. QUICK CONNECTOR through the center hole in the trim ring and mount the ring,
making sure that the mounting screws are positioned in the small ends of the keyholes before
tightening the screws (see Figure 2).
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When mixing models which have battery backup (1275, 1275H, 1285, HD135F) with models
without battery backup (1235, 120X, SL177i, FYCO 31) be advised that the models without bat-
tery backup will not respond during an AC power failure.
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The maximum wire run distance between the first and last unit in an interconnected system is
1000 feet.
Figure 1 illustrates interconnection wiring. Improper connection will result in damage to the
alarm, failure to operate, or a shock hazard.
Make certain alarms are wired to a continuous (non-switched) power line. NOTE: Use standard
UL listed household wire (18 gauge or larger as required by local codes) available at all electri-
cal supply stores and most hardware stores.
5. Plug the A.C. QUICK CONNECTOR into the back of the alarm (see Figure 3), making sure that
the locks on the connector snap into place. Then push the excess wire back into the electrical
box through the hole in the center of the trim ring.
6. If you have finished all the WIRING, BATTERY INSTALLATION AND TRIM RING MOUNTING
STEPS, you can install the alarm on the trim ring. Alignment marks are provided on the side of
the alarm and on the trim ring (see Figure 4).
7. Install the alarm on the trim ring with the indicating marks aligned and rotate the alarm in the
direction of the “ON” arrow on the cover until the alarm snaps in place (see Figure 4).
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8. Turn on the A.C. power. The green A.C. Power On Indicator should be lit when the alarm is
operating from A.C. power.
FIGURE 2. SELECT CORRECT MOUNTING HOLES ON TRIM RING
FLASHING LED LIGHT: This smoke alarm is equipped with a flashing red indicator LED. The LED
is located under the test button and has three modes of operation.
Standby Condition
Alarm Condition
The red LED will flash every 30-40 seconds to indicate that the smoke
alarm is operating properly.
When the alarm senses products of combustion and goes into alarm,
the red LED will flash rapidly (2-3 times per second). The rapid flashing
LED and pulsating alarm will continue until the air is cleared.
Low Battery Condition The LED flash will be accompanied by an audible chirp. Replace the
battery when this condition occurs.
SMOKE SENSING CHAMBER OPERATION: This alarm will “chirp” if any of the components in the
smoke sensing chamber fail. This chirp will occur between the flashes of the red LED indicator
light. (If the chirp occurs at the same time as the red LED flash, see Section 6 for low battery infor-
mation.)
Rectangular Plaster Ring
Circular Plaster Ring
Octagonal Electrical Box
WHEN UNITS ARE INTERCONNECTED, only the red LED of the unit which senses the smoke or is
being tested (the originating unit) will flash rapidly. All other units in the interconnect system will
sound an alarm but their red LED’s will NOT flash rapidly.
TAMPER RESIST LOCKING PIN: To make your smoke alarm somewhat tamper resistant, a locking
pin has been provided with your alarm. Using this pin will deter children and others from removing
the alarm from trim ring. To use the pin, insert it into the hole in the side of the alarm after the
alarm has been installed on the trim ring (see Figure 5)
TESTING: Test by pushing the test button on the cover and hold it down for a minimum of 5 sec-
onds. This will sound the alarm if all the electronic circuitry, horn and battery are working. If no
alarm sounds, check the fuse or circuit breaker supplying power to the alarm circuit. If the alarm
still does not sound, the unit has defective batteries or other failure. You can also test the alarm by
blowing smoke into it.
Alignment
To remove A.C.
marks
connector,
squeeze
locking arms
and pull
Tamper resistant
locking pin
TEST THE ALARM WEEKLY TO ENSURE PROPER OPERATION. Erratic or low sound coming from
your alarm may indicate a defective alarm, and it should be returned for service (see Section 11).
5. NUISANCE ALARMS
Smoke alarms are designed to minimize nuisance alarms. Cigarette smoke will not normally set off
the alarm, unless the smoke is blown directly into the alarm. Combustion particles from cooking
may set off the alarm if the alarm is located close to the cooking area. Large quantities of com-
bustible particles are generated from spills or when broiling. Using the fan on a range hood which
vents to the outside (non-recirculating type) will also help remove these combustible products from
the kitchen.
Install
Remove
FIGURE 3
FIGURE 4
FIGURE 5
NOTE the tamper resist pin will have to be removed in order to change the batteries. Use a long
nose pliers to pull the pin out of the hole. It is now possible to remove the detector from the trim
ring.
If the alarm does sound, check for fires first. If a fire is discovered, get out and call the fire depart-
ment. If no fire is present, check to see if one of the reasons listed in Section 2 may have caused
the alarm.
After installation, TEST your alarm by pressing and holding the test button for several seconds, or
by blowing smoke into the alarm. This should sound the alarm.
CAUTION! Early warning fire detection is best achieved by the installation of fire detection equip-
ment in all rooms and areas of the household as follows: A smoke alarm installed in each separate
sleeping area (in the vicinity of - but outside of the bedroom), and heat or smoke alarms in the liv-
ing room, dining room, kitchen, hallways, attic, furnace room, closets, utility storage room, base-
ment, and attached garage.
6. MAINTENANCE
ALARM REMOVAL
IF TAMPER RESIST PIN HAS BEEN USED, REFER TO TAMPER RESIST LOCKING PIN IN
SECTION 3 FOR PIN REMOVAL INSTRUCTIONS.
4. OPERATION AND TESTING
OPERATION: The smoke alarm is operating once A.C. power is applied, fresh batteries are
installed and testing is complete. When the smoke alarm’s photoelectric chamber senses products
of combustion, the horn will sound a loud (85db) pulsing alarm until the sensing chamber is
cleared of smoke particles.
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To replace the battery, remove the alarm from the trim ring by rotating the alarm in the direction of
the “OFF” arrow on the cover (see Section 3, Figure 4) To discon-
nect the A.C. power harness, squeeze the locking arms on the
sides of the Quick Connector while pulling the connector away
from the bottom of the alarm (see Section 3, Figure 3).
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Smoke alarms are devices that can provide early warning of possible fires at a reasonable cost;
however, alarms have sensing limitations. Ionization type alarms offer a broad range of fire
sensing capabilities but are better at detecting fast flaming fires than slow smoldering fires.
Photoelectric alarms sense smoldering fires better than flaming fires. Home fires develop in dif-
ferent ways and are often unpredictable. Neither type of alarm (photoelectric or ionization) is
always best, and a given alarm may not always provide warning of a fire.
BATTERY INSTALLATION AND REMOVAL
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A battery powered alarm must have a battery of the specified type, in good condition and
installed properly.
To replace or install the batteries you must first remove the alarm
from the trim ring by following the ALARM REMOVAL instructions at
the beginning of this section. After alarm has been removed , you
can open the battery door and install or replace the battery.
Battery installation instructions are provided on the inside of the
A.C. powered alarms will not operate if the A.C. power has been cut off, such as by an electrical
fire or an open fuse.
Smoke alarms must be tested regularly to make sure the batteries and the alarm circuits are in
good operating condition.
FIGURE 6
battery door.
Smoke alarms cannot provide an alarm if smoke does not reach the alarm. Therefore, smoke
alarms may not sense fires starting in chimneys, walls, on roofs, on the other side of a closed
door or on a different floor.
When installing the battery, press the battery reminder finger down into the battery compartment
and install the battery (see Figure 6).
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If the alarm is located outside the bedroom or on a different floor, it may not wake up a sound
sleeper.
CAUTION! IF THE BATTERY REMINDER FINGER IS NOT HELD DOWN IN THE BATTERY COM-
PARTMENT BY THE BATTERY, THE BATTERY DOOR WILL NOT CLOSE, THE A.C. QUICK CON-
NECTOR WILL NOT ATTACH TO THE ALARM, AND THE ALARM WILL
NOT ATTACH TO THE TRIM RING.
The use of alcohol or drugs may also impair one’s ability to hear the smoke alarm. For maxi-
mum protection, a smoke alarm should be installed in each sleeping area on every level of a
home.
This smoke alarm uses a 9V carbon zinc back up battery (alkaline and lithium batteries may also
be used). A fresh battery should last for one year under normal operating conditions.
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Although smoke alarms can help save lives by providing an early warning of a fire, they are not
a substitute for an insurance policy. Home owners and renters should have adequate insurance
to protect their lives and property.
This alarm has a low/missing battery monitor circuit which will cause the alarm to “chirp” approxi-
mately every 30-40 seconds for a minimum of seven (7) days when the battery gets low. Replace
the battery when this condition occurs.
8. GOOD SAFETY HABITS
USE ONLY THE FOLLOWING 9 VOLT BATTERIES FOR SMOKE ALARM REPLACEMENT.
DEVELOP AND PRACTICE A PLAN OF ESCAPE
Carbon-zinc type
Alkaline type
Lithium type
EVEREADY 216 OR 1222; GOLD PEAK 1604P OR 1604S
EVEREADY 522; DURACELL MN1604; GOLD PEAK 1604A; MX1604
ULTRALIFE U9VL
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Make a floor plan indicating all doors and windows and at least two (2) escape routes from each
room. Second story windows may need a rope or chain ladder.
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Have a family meeting and discuss your escape plan, showing everyone what to do in case of
fire.
NOTE: REGULAR TESTING IS RECOMMENDED!
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Determine a place outside your home where you all can meet if a fire occurs.
WARNING! BE SURE TO FOLLOW BATTERY INSTALLATION INSTRUCTIONS PRINTED ON THE
INSIDE OF THE BATTERY DOOR AND USE ONLY THE BATTERIES SPECIFIED. USE OF DIFFER-
ENT BATTERIES MAY HAVE A DETRIMENTAL EFFECT ON THE SMOKE ALARM.
Familiarize everyone with the sound of the smoke alarm and train them to leave your home when
they hear it.
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Practice a fire drill at least every six months. Practice allows you to test your plan before an
emergency. You may not be able to reach your children. It is important they know what to do.
CLEANING YOUR ALARM
WHAT TO DO WHEN THE ALARM SOUNDS
To clean your alarm, remove it from the mounting bracket as outlined in the beginning of this sec-
tion. You can clean your alarm by using compressed air or your vacuum cleaner hose to blow or
suck air through the openings around the perimeter of the alarm. The outside of the alarm can be
wiped with a damp cloth.
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Leave immediately by your escape plan. Every second counts, so don’t waste time getting
dressed or picking up valuables.
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In leaving, don’t open any inside door without first feeling its surface. If hot, or if you see smoke
seeping through cracks, don’t open that door! Instead, use your alternate exit. If the inside of
the door is cool, place your shoulder against it, open it slightly and be ready to slam it shut if
heat and smoke rush in.
After cleaning, reinstall your alarm. Test your alarm by using the test button and check that the
green LED is on.
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Stay close to the floor if the air is smoky. Breathe shallowly through a cloth, wet if possible.
Once outside, go to your selected meeting place and make sure everyone is there.
Call the fire department from your neighbor’s home - not from yours!
7. LIMITATIONS OF SMOKE ALARMS
WARNING: PLEASE READ CAREFULLY AND THOROUGHLY
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Don’t return to your home until the fire officials say that it is all right to do so.
FIVE YEAR LIMITED WARRANTY
There are situations where a smoke alarm may not be effective to protect against fire as stated in the
NFPA Standard 72. For instance:
Fyrnetics warrants to the original purchaser that the enclosed smoke alarm (but not the bat-
tery) will be free from defects in material and workmanship or design under normal use and
service for a period of five years from the date of purchase. The obligation of Fyrnetics under
this warranty is limited to repairing or replacing the smoke alarm or any part which we find to
be defective in material, workmanship or design, free of charge to the customer, upon send-
ing the smoke alarm with proof of date of purchase, postage and return postage prepaid, to
Warranty Service Department, Fyrnetics 1394 South Third St., Mebane, N.C. 27302.
a) smoking in bed
b) leaving children home alone
c) cleaning with flammable liquids, such as gasoline
Further information on fire safety can be obtained in a pamphlet titled “IN A FIRE SECONDS
COUNT” published by the NFPA, Batterymarch Park, Quincy, MA 02269
This warranty shall not apply to the smoke alarm if it has been damaged, modified, abused or
altered after the date of purchase or if it fails to operate due to improper maintenance or inad-
equate A.C. or D.C. electrical power.
9. NFPA REQUIRED PROTECTION
THE LIABILITY OF FYRNETICS OR ANY OF ITS PARENT OR SUBSIDIARY CORPORATIONS
ARISING FROM THE SALE OF THIS SMOKE ALARM OR UNDER THE TERMS OF THIS LIMIT-
ED WARRANTY SHALL NOT IN ANY CASE EXCEED THE COST OF REPLACEMENT OF
SMOKE ALARM AND, IN NO CASE, SHALL FYRNETICS, INC. OR ANY OF ITS PARENT OR
SUBSIDIARY CORPORATIONS BE LIABLE FOR CONSEQUENTIAL LOSS OR DAMAGES
RESULTING FROM THE FAILURE OF THE SMOKE ALARM OR FOR BREACH OF THIS OR
ANY OTHER WARRANTY, EXPRESS OR IMPLIED, EVEN IF THE LOSS OR DAMAGE IS
CAUSED BY THE COMPANY’S NEGLIGENCE OR FAULT.
The National Fire Protection Association’s Standard 72 reads as follows:
2-2.1.1.1 Smoke alarms shall be installed outside each separate sleeping area in the immediate
vicinity of the bedrooms and on each additional story of the family living unit, including basements
and excluding crawl spaces and unfinished attics. In new construction, a smoke alarm shall be
installed in each sleeping room.
A-2.5.2.1 Smoke Detection - Are More Smoke Detectors 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 protec-
tion. 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 the smoke
alarms in the kitchen, attic (finished or unfinished), or garage is normally not recommended, as
these locations occasionally experience conditions that can result in improper operation.
Since some states do not allow limitations on the duration of an implied warranty or do not
allow the exclusion or limitation of incidental or consequential damages, the above limitations
or exclusions may not apply to you. While this warranty gives you specific legal rights, you
may also have other rights which vary from state to state.
Also, Fyrnetics makes no warranty, express or implied, written or oral, including that of
merchantability or fitness for any particular purpose, with respect to the battery.
This equipment should be installed in accordance with the National Fire Protection Association’s
Standard 72 (NFPA, Batterymarch Park, Quincy, MA 02269).
The above warranty may not be altered except in writing signed by both parties hereto.
NOTIFY YOUR LOCAL FIRE DEPARTMENT AND INSURANCE COMPANY OF YOUR SMOKE
ALARM INSTALLATION.
10. SERVICE AND WARRANTY
If after reviewing this manual you feel that your smoke alarm is defective in any way, do not tamper
with the unit. Return it for servicing to: Fyrnetics 1394 South Third St., Mebane, N.C. 27302. (See
Warranty for in-warranty returns)
FYRNETICS
1394 South Third St., Mebane, N.C. 27302.
1-800-880-6788
1375-7201-02
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