usi MI106L User manual

Table of Contents:
Page #
Smoke Alarm Limitations and Functions ................................. 2
Recommended Location of Alarms.......................................... 2
Avoid These Locations ............................................................ 3
Early Warning .......................................................................... 4
Installation Instructions............................................................ 4
Electrical Shock Hazard .......................................................... 4
Locking/Tamper Feature.......................................................... 4
Wiring Instructions................................................................... 5
Operation, Testing & Maintenance .......................................... 6
QUICK FIND®Alarm Originating Feature & Reset .................. 6
Cautions/Warnings .................................................................. 7
Silence Feature ....................................................................... 7
Backup Battery Replacement.................................................. 7
Develop and Practice a Plan of Escape .................................. 8
Operational Summary.............................................................. 9
Warranty ..................................................................Back Cover
MODEL MI106, MI106L
READ ALL INSTRUCTIONS
This smoke alarm uses an extremely small amount of a radioactive
element in the ionization chamber. Do not tamper with radioactive sealed
source or try to repair the smoke alarm yourself.
SMOKE & FIRE ALARM WITH SILENCE FEATURE
AND ALARM ORIGINATION FEATURE

Page 2
RECOMMENDED LOCATION OF ALARMS
• Locatetherstsmokealarmintheimmediateareaofthebedrooms.Trytoprotecttheescape
routeasthebedroomsareusuallyfarthestfromanexit.Ifmorethanonesleepingareaexists,
locate additional smoke alarms in each sleeping area. If a hall is more than 40 feet (12 meters)
long, install a smoke alarm at each end.
• Locate additional smoke alarms to protect any stairway as stairways act like chimneys for smoke
and heat.
SMOKE ALARM LIMITATIONS AND FUNCTIONS
• There are three basic smoke alarm types: Universal Smoke Sensing Technology®, Ionization and
Photoelectric
• Universal Smoke Sensing Technology®is an ionization alarm containing patented Smart Alarm
Technology.AlarmscontainingUniversalSmokeSensingTechnologyareeffectiveatdetectingfastaming
resandslowsmolderingres.
• Ionizationsmokealarmsaretypicallymoreeffectiveatdetectingfastamingres—reswhichconsume
combustiblematerialsrapidlyandspreadquickly.Sourcesoftheseresmayincludepaperburningina
wastebasket,orkitchengreaseres.
• Photoelectric smoke alarms, on the other hand, are typically more effective at detecting slow smoldering
res—reswhichburnforhoursbeforeburstingintoame.Sourcesoftheseresmayincludecigarettes
burningincouchesorbedding.
• InstallingalarmscontainingUniversalSmokeSensingTechnologyensuresmaximumdetectionofboth
typesofresfromasinglealarm.
• The enclosed alarm is a an Ionization Smoke Alarm.
SMOKE ALARMS WILL NOT WORK DURING A LOSS OF POWER. SINCE A SMOKE ALARM WILL
NOT WORK WITHOUT POWER, having an alarm(s) that works from two completely different power
sources,suchasanACdirectwirewithbatterybackupsmokealarm,cangiveyouanextrameasureof
protectionincaseofanACpowerfailureoradeadbattery.Batteryoperatedalarmscannotworkifthe
batteriesaremissing,disconnectedordead,ifthewrongtypeofbatteriesareusedorifthebatteriesare
not installed correctly. AC (only) powered alarms cannot work if the AC power is cut off for any reason.
IfyouareconcernedaboutthelimitationsofthebatteryorACpower,installbothtypesofalarms.
USING AN IONIZATION SMOKE ALARM IN A SMOKY AREA, SUCH AS A KITCHEN, OR IN A HIGH
HUMIDITY AREA NEAR A SHOWER, CAN CAUSE NUISANCE FALSE ALARMS. IT IS PREFERABLE
TO USE PHOTOELECTRIC ALARMS IN THESE AREAS. DO NOT TURN OFF THE AC POWER TO
QUIET THE ALARM. A SMOKE ALARM WILL NOT HELP PROTECT YOU IF IT IS NOT POWERED.
Properly locate your alarm to avoid nuisance alarms.
 A SMOKE ALARM MAY NOT ALWAYS WARN YOU ABOUT FIRES CAUSED BY CARELESSNESS
AND SAFETY HAZARDS LIKE SMOKING IN BED, VIOLENT EXPLOSIONS, ESCAPING GAS,
IMPROPER STORAGE OF FLAMMABLE MATERIALS, OVERLOADED ELECTRICAL CIRCUITS,
CHILDREN PLAYING WITH MATCHES, NATURAL CAUSES SUCH AS LIGHTNING, OR ARSON. FIRE
PREVENTION IS YOUR BEST SAFEGUARD.
INSTALLING SMOKE ALARMS MAY MAKE YOU ELIGIBLE FOR LOWER INSURANCE RATES, BUT
SMOKE ALARMS ARE NOT A SUBSTITUTE FOR INSURANCE. Homeowners and renters alike should
continue to insure their lives and properties.
 SMOKE ALARMS CANNOT DETECT FIRES IF THE SMOKE DOES NOT REACH THEM. Smoke from
resmaynotreachthesensingchamberandsetoffthealarm.Onealarmshouldbeinstalledinside
eachbedroomorsleepingarea.Donotobstructairowaroundthesmokealarmorplaceinareasof
obstructedairow.
 BE AWARE OF VARIOUS SITUATIONS AGAINST WHICH THE SMOKE ALARM MAY NOT BE
EFFECTIVE.Forexample:(1)Fireswherethevictimisintimatewithaaminginitiatedre;forexample,
whenaperson'sclothescatchrewhilecooking;(2)Fireswherethesmokeispreventedfromreaching
thealarmduetoacloseddoororotherobstructionor(3)Incendiaryreswheretheregrowssorapidly
thatanoccupant'segressisblockedevenwithproperlylocatedalarms.
SMOKE ALARMS MAY NOT DETECT FIRE ON ANOTHER FLOOR OR AREA OF THE HOME.
Recommended minimum protection is at least one smoke alarm in every sleeping area and every
bedroomoneverylevelofyourhome.Interconnectedsmokealarmsmayprovideearlierwarningthan
stand-alone smoke alarms since all smoke alarms alarm when one detects smoke.
SMOKEALARMS MAY NOT BE HEARD. The alarm horn in this alarm meets or exceeds current
standards,butitmaynotbeheardif:(1)thesmokealarmislocatedoutsideaclosedorpartiallyclosed
door;(2) residentsrecently consumed alcohol or drugs;(3) thealarm isdrowned outby noise from
stereos,TV's,airconditionersorotherappliances;(4)residentsarehearingimpairedor(5)ifresidents
are sleeping.
CURRENT STUDIES HAVE SHOWN SMOKE ALARMS MAY NOT AWAKEN ALL SLEEPING
INDIVIDUALS AND THAT IT IS THE RESPONSIBILITY OF INDIVIDUALS IN THE HOUSEHOLD WHO
ARE CAPABLE OF ASSISTING OTHERS TO PROVIDE ASSISTANCE TO THOSE WHO MAY NOT
BE AWAKENED BY THE ALARM SOUND OR TO THOSE WHO MAY BE INCAPABLE OF SAFELY
EVACUATING THE AREA UNASSISTED.
SMOKE ALARMS ARE NOT FOOLPROOF. You must test the smoke alarm weekly to ensure your
continuedprotection.Smokealarmscannotpreventorextinguishres.
SMOKEALARMSHAVEALIMITEDLIFE.Thesmokealarmshouldbereplacedimmediatelyifitisnot
operating properly. You should always replace a smoke alarm after 10 years.
SMOKE ALARMS ARE NOT TO BE USED WITH DETECTOR GUARDS UNLESS THE COMBINATION
HAS BEEN EVALUATED AND FOUND SUITABLE FOR THAT PURPOSE.

• Locateatleastonesmokealarmoneveryoorlevel.
• Locate a smoke alarm in any area where a smoker sleeps or where electrical appliances are
operated in sleeping areas.
• Smoke,heatandother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.However,inmobilehomes,wall
mountingonaninsidepartitionispreferredtoavoidthethermalbarrierthatmayformattheceiling.
• When mounting smoke alarm on the ceiling, locate it a minimum of 4" (10cm) from a side wall
or corner (see Diagram A).
• When mounting smoke alarm on a wall, if local codes allow, use an inside wall with the top
edgeofthesmokealarmamaximumof12"(30.5cm)belowtheceiling/wallintersections(See
Diagram A).
Page 3
Sloped Ceilings (Peaked Ceilings):
Smoke alarms or smoke detectors mounted on a peaked ceiling shall be located within 36 in. (914 mm)
horizontally of the peak, but not closer than 4 in. (102 mm) vertically to the peak.
Sloped Ceilings (Shed Ceilings):
Smoke alarms or smoke detectors mounted on a sloped ceiling having a rise greater than 1 ft. in 8 ft. (1
m in 8 m) horizontally shall be located within 36 in. (914 mm) of the high side of the ceiling, but not closer
than 4 in. (102 mm) from the adjoining wall surface.
Tray-Shaped Ceilings:
Smoke Alarms or smoke detectors shall be installed on the highest portion of the ceiling or on the sloped
portion of the ceiling within 12 in. (305 mm) vertically down from the highest point.
Mobile Home Installation:
For minimum protection, smoke alarms should be installed in compliance with H.U.D. Manufactured
Home Construction Safety Standards, Title 24 CFR, Section 3280.208 and Section 3282. For additional
protection, see Single Story Residence smoke alarm requirements/recommendations for Existing Homes
and New Construction Homes.
Note: For mobile homes built before 1978, install smoke alarms on inside walls between 4” and 12” from
the ceiling (older mobile homes have little or no insulation in the ceiling). This is especially important if
the ceiling is unusually hot or cold.
Install a smoke alarm inside each bedroom and in the hallway outside each separate sleeping area.
Existing Homes:
The NFPA requires a smoke alarm on every level and outside each sleeping area in existing construction.
An existing household with one level and one sleeping area is required to have one smoke alarm.
New Construction Homes and Manufactured Homes:
The NFPA requires AC-powered, interconnected smoke alarms to be installed inside each bedroom, outside
each bedroom area, and on every level of the home. They also require a minimum of two AC-powered,
interconnected smoke alarms in any new construction home.
Ceiling
Acceptable
Top of detector
acceptable here
Sidewall
12 in.
(300 mm)
maximum
Note: Measurements shown are to
the closest edge of the detector.
DIAGRAM A
AVOID THESE LOCATIONS
• thegarage–productsofcombustionareproducedwhenyoustartyourvehicle.
• nearappliancesorareaswherenormalcombustionregularlyoccurs(kitchens,nearfurnaces,
gas hot water heaters). Use smoke alarms with photoelectric sensors or smoke alarms with
Silence Feature for these areas.
• inareaswithhighhumidity,likebathroomsorareasneardishwashersorwashingmachines.
Install at least 3 feet (0.9 meters) away from these areas.
• inareasofturbulentairsuchasairreturnsorheatingandcoolingsupplyvents,smokealarms
shallnotbelocatedwhereairowpreventssmokefromreachingthealarms.

INSTALLATION INSTRUCTIONS: CAUTION!! READ CAREFULLY.
Installation of this alarm must conform to the electrical codes in your area; Article 760 of
the National Electrical Code, NFPA 72, 101; SBC (SBCCI); UBC (ICBO); NBC (BOCA): OTFDC
(CABO), and any other local or building codes that may apply. Wiring and installation must
be performed by a licensed electrician. Failure to follow these guidelines may result in
injury or property damage.
This alarm must be powered by a 24-hour, 120V AC 60Hz circuit. Be sure the circuit cannot
be turned off by a switch, dimmer or ground fault circuit interrupter. Failure to connect this
alarm to a 24-hour circuit may prevent it from providing constant protection.
IMPORTANT: Do not subject this smoke alarm to megger, high voltage or high-pot tests.
Remove the smoke alarm(s) before high-potting tests occur on the circuit or system.
(Ref. Section 550-17, National Electrical Code, 2002 Edition).
ELECTRICAL SHOCK HAZARD
Turn off power to the area where you will install this alarm at the circuit breaker or fuse box
before beginning installation. Failure to turn off the power before installation may result in
serious electrical shock, injury or death.
CAUTION: THIS SMOKE ALARM IS SEALED. THE COVER IS NOT REMOVABLE!
• Amountingbracketisprovidedonthebackofthealarm.
• Removethemountingbracketfromthebackofthealarmbyholdingthemountingbracketand
twistingthealarminthedirectionindicatedbythe"TWISTTOREMOVE"arrowonthesideof
thealarmbase.
OPTIONAL TAMPER RESISTANT FEATURES: There are two separate tamper resistant locking
featuresprovidedforthismodel.Activatingoneorbothofthesefeaturesdeterssomeonefrom
removingthesmokealarmfromthemountingbracketorremovingthebatteryfromthealarm.The
breakawaylockingpinsareclearlymarkedandmoldedintothemountingbracket.Refertothe
diagramonthenextpage.
TO ACTIVATE THE LOCKING FEATURES: Do not activate the locking features until you have
activatedthebattery,mountedthesmokealarmtothebracketandtestedthesmokealarm.Refer
to OPERATION, TESTING & MAINTENANCE instructions on Page 6.
1. Detachthebreakawayalarmlockingpinfromthemountingbracket.
Page 4
Early warning re detection is best achieved by the installation of re detection equipment
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 bedrooms); and, as appropriate, heat
or smoke alarms in living rooms, dining rooms, kitchens, hallways, attics, furnace rooms,
closets, utility storage rooms, basements and attached garages. Test the alarms weekly to
assure proper operation.
• inextremelydusty,dirtyorinsect-infestedareas. Looseparticlesinterferewithsmokealarm
operation.
• inareaswheretemperaturemayfallbelow400F (4.40C)orriseabove1000F (37.80C).
• closerthan1foot(0.3m)fromuorescentlights,electrical"noise"andickeringmayaffectthe
alarm's operation.
• closerthan3feet(0.9m)horizontalpathfromthetipofthebladeofaceilingsuspended(paddle)fan.
• onapoorlyinsulatedceilingorexteriorwall(mountsmokealarmonaninsidewall).
ALARM/BRACKET
LOCKING PIN
BATTERY LOCKING PIN
THIS SMOKE ALARM WILL NOT WORK WITHOUT 120 VAC POWER AND A
GOOD BATTERY PROPERLY INSTALLED. THE SMOKE ALARM SHOULD BE
TESTED WHEN INSTALLED AND THEN TESTED WEEKLY AFTER THAT.

TO DEACTIVATE THE LOCKING FEATURES: To remove the smoke alarm for cleaning or servicing
ortoreplacethebattery,youmustrstremovetheappropriatelockingpin,ifithasbeeninstalled.
1. Turn off AC power to the circuit.
2. Use long nose pliers to pull the locking pin out of the hole.
3. Itisnowpossibletoremovethesmokealarmorreplacethebattery.
WIRING INSTRUCTIONS:
1. a. The appropriate power supply is 120 Volt single phase power supplied from a non-
switchablecircuitNOTprotectedbyagroundfaultcircuitinterrupter.
 b. TurnoffACpowertothecircuitbeforewiringthesmokealarm.
 c. There are three pigtail wires (black, white and yellow) coming from theAC QUICK
CONNECTOR.Theproperwireconnectionisasfollows:
WIRES FROM QUICK CONNECTOR CONNECT TO
BLACK "HOT" side of AC line
WHITE "NEUTRAL" side of AC line
YELLOW Interconnect wires of other smoke alarms
Page 5
2. Insertthepinintotheholeforthefeatureyouareactivating.Refertothediagrambelowfor
correct placement.
INSERT ALARM
LOCKING PIN
HERE
INSERT BATTERY
LOCKING PIN HERE
For alarms that are used as single smoke alarms, do not connect the yellow wire to anything.
Insulate this wire (tape it) in place to make certain the yellow wire cannot contact any metal
parts.
INTERCONNECTION & COMPATIBILITY: Interconnected alarms can provide earlier warning
than stand-alone alarms, especially if a hazard is present in a remote area of the dwelling.
When alarms are interconnected, all alarms will sound when the initiating alarm sounds,
providing more time to escape safely. This alarm may be interconnected with a total of not
more than 24 interconnected devices, i.e. as many as 11 other USI Electric or Universal
brand model smoke alarms or combination smoke and carbon monoxide (CO) alarms or
smoke and carbon monoxide/natural gas alarms; 6 other initiating alarms which may be
a combination of USI Electric or Universal brand CO alarms and heat alarms; and 6 other
non-initiating devices such as USI Electric brand relays.
This alarm can be interconnected with the following compatible alarms: MDSCN111, MICN109,
MCN108, SS-2895, USI-1103, USI-1204, USI-1208, USI-1209, USI-5204, USI-3204, USI-7795,
5304, MI106, MDS107, MP117, USI-2430, USI-960, MI106S, MIC1509S, MP116S, MPC122S,
SLW127, AMIC1510S, AMI1061S.
When any one of these interconnected models goes into alarm, it will trigger the corresponding
alarm within the interconnected system with respect to their sensing capabilities.
Interconnected CO alarms, or the CO alarm circuit of combination smoke, CO and natural gas
alarms, will only respond if a CO alarm event initiates the alarm. All other alarms remain silent.
Interconnected combination CO and natural gas alarms will only respond if a natural gas
event initiated the alarm. All other alarms remain silent. Natural gas detection is only present
in models MDSCN111, MICN109, MCN108; therefore, a natural gas alarm will NOT trigger the
alarm of non-natural gas sensing models within an interconnected system.
The following alarms can trigger Quick Find® Alarm Origination, but will not indicate Alarm
Origination on an interconnected system: USI-1103, USI-1204, USI-1208, USI-1209, USI-1213,
USI-5204, USI-3204, USI-2430, USI-7795.
The following alarms cannot be reset through an interconnected system because they do
not have Quick Find® Alarm Origination: USI-1103, USI-1204, USI-1208, USI-1209, USI-5204,
USI-3204, USI-2430, USI-7795.

OPERATION, TESTING & MAINTENANCE
OPERATION: The smoke alarm is operating once the AC power is connected and turned on (the
batterymustalsobeinstalled).Whenproductsofcombustionaresensed,thealarmsoundsaloud
alarm which continues until the air is cleared.
This alarm incorporates the NFPA recognized horn signal for evacuation. During alarm mode, the
hornproducesthreebeepsfollowedbyatwosecondpauseandthencontinuallyrepeats.
READY/ACTIVE CONDITION:TheredLEDblinksononceapprox.every40-45secondstoindicate
the alarm is properly functioning.
LOCAL ORIGINATING ALARM CONDITION:TheredLEDblinksonapprox.every2secondsand
the alarm emits a loud, pulsating alarm sound.
NON-ORIGINATING ALARM CONDITION: The red LED is off and the alarm emits a loud, pulsating alarm.
GREEN LED: The green LED is on whenever AC power is turned on.
NUISANCE ALARMS: The smoke alarm is designed to minimize nuisance alarms. Smoking will
notnormallysetoffthealarmunlesssmokeisblowndirectlyintothesmokealarm.Combustion
particles from cooking may set off the alarm if the smoke alarm is located close to the kitchen
cookingsurface.Largequantitiesofcombustionparticlesaregeneratedfromspillsorbroiling.
2. Attachthemountingbrackettotheelectricaljunctionbox.
3. Toactivate9voltbatteryandalarm,holdtheQUICKDRAW(R) batterydrawerclosed,pulland
remove the PULL-TAB. Conrm that the entire PULL-TAB has been completely removed.
Discard PULL-TAB.
4. PlugtheACQUICKCONNECTORintothealarmbase.Pushandtwistthealarmclockwise
ontothemountingbracket.
5. See "OPTIONAL TAMPER RESISTANT FEATURES" and "TO ACTIVATE THE LOCKING
FEATURES" instructions on Page 4.
6. TurnonACpowerandchecktheLED'sforproperoperation.ThegreenLEDshouldbeontoindicate
ACpower.TheredLEDblinksononceapprox.every40secondstoindicateproperoperation.
120 VAC 60Hz
100mAMax.
Interconnected smoke alarms, heat alarms and relays will only respond if a smoke alarm
event or heat alarm event initiates the alarm. All CO and natural gas alarms remain silent.
NOTE: Alarms without battery backup will not respond during an AC power failure.
NOTE: The relay, model USI-960, will not respond if a CO or natural gas alarm event initiates
the alarm.
Page 6
The yellow wire is used only for interconnect (multiple station operations) USI Electric or
Universal model alarms. Connecting this yellow wire to any other circuits may result in
damage and alarm malfunction. All interconnect alarms must be powered from a single circuit.
If local codes do not specify, be sure the neutral wire is common to all alarms. The maximum
wire run distance between the rst and last alarm/device in an interconnected system is
1,000 feet. NOTE: Use standard household wire, 18 gauge or larger, rated at least 300V, as
required by local codes. This wire is commonly available at most electrical supply and
hardware stores. The resistance of the interconnect wiring shall be a maximum of 10 Ohms.
The alarm wiring shall be in accordance with the provisions of Articles 210 and 300.3(B) of
the National Electrical Code, ANSI/NFPA 70. According to the NFPA 72 / Ed. 2013; paragraph
29.6.3 Household Fire Alarm Systems /AC Primary Power Source: “AC primary (main)
power shall be supplied either from a dedicated branch circuit or the un-switched portion
of a branch circuit also used for power and lighting.”

Page 7
Ifthesmokealarmdoessound,checkforresrst.Ifareisdiscovered,getoutandcallthere
department.Ifnoreispresent,checktoseeifoneofthereasonslistedabovemayhavecaused
thealarm.UsetheSilenceFeatureifitisanuisancealarm,orresetthealarmbypressingand
holdingthetestbuttonfortenseconds.RefertoRESETonPage7.
NOTE:Itisbestto"reset"thealarmsbeforeinitialtestisperformed.SeePage7forResetprocedures.
TESTING:TestbypushingtheTestbuttononthesmokealarmcoveruntilthealarmsounds,then
release.Thealarmsoundsifallelectroniccircuitry,hornandbatteryareworking.Ifnoalarmsounds,the
alarm may have a power supply failure. Test the smoke alarm weekly to assure proper operation.
ALARM ORIGINATION:PatentedQuickFind®AlarmOrigination—Inaninterconnectedsystem
consistingofanyofthesemodels:MI106S,MIC1509S,MPC122S,MP116S,5304,MI106,MDS107,
MCN108,MICN109,MDSCN111, MP117, it may be difcult to determine which alarminitiated
the alarms to sound during an alarm event. This Quick Find® feature will immediately allow you
to locate the originating alarm once the alarms have stopped sounding. To initiate Quick Find®,
pressandholdthetest/silencebuttononanyalarmuntilthetestsequenceonthisalarmbegins.
Releasethetestbutton.Thespecichornpattern/sequenceisdesignatedbythealarmtype.Once
thistestsequenceends,theoriginatingalarmcontinuestosoundforapproximately60seconds,
whichprovidesampletimetolocatetheoriginatingalarm.Remembertoresettheoriginatingalarm
in order to clear the Quick Find® alarm origination, and to return your system to normal operation.
Refertothewiringinstructions/modelinterconnectcompatibilitysectionofthismanualforadditional
information.Inanon-interconnectedinstallation,itisnecessarytotesteachalarmbypressingthe
test/silencebuttontodeterminetheoriginatingalarm
RESET: To reset the QUICK FIND®Alarm Origination condition, press and hold the Test
button on any alarm for at least 10 seconds and then release. Reset after each alarm. The
reset feature will reset all interconnected units.
END-OF-SERVICE LIFE NOTIFICATION:Amajorityofhomeredeathsarearesultofnosmoke
alarms or no workingsmokealarms.Inadditiontothe"replacebydate"stampedonthebackof
youralarm,youralarmcontainsauniqueaudibleend-of-servicelifenoticationfeature.Whenit
istimetoreplaceyouralarm,whichisafterapproximately10yearsofoperationfrominitialpower
up,thealarmwillsound1beep approx.every 60secondsandtheredLEDwill blinkon once
approx.every40-45seconds.ThegreenLEDstayson.Thealarmshouldbereplacedimmediately.
Theproductend-of-servicelifesignalcanbesilencedforapproximately9hours.Toperformthis
function,pressandreleasethetestbutton.Thealarmwillsoundforapproximately60seconds
whileitresets.Aftertheresetfunctioniscompleted,thealarmwillbesilentforapproximately9
hours. The end-of-service life signal will reactivate after the silence period.
If you choose to use an aerosol smoke product to test the smoke alarm, be certain to use
one that has been Listed to Underwriters Laboratories, Inc. Safety Standards and use it
only as directed. Use of non-UL Listed products or improper use of UL Listed products may
affect the smoke alarm's sensitivity.
NUISANCE ALARM SILENCE FEATURE: Thisfeatureistobeusedonlywhenaknownalarm
condition, such as smoke from cooking, activates the smoke alarm. The smoke alarm Silence Feature
isactivatedbypushingandreleasingtheSilencebuttononthesmokealarmcoverwhileinalarm
condition.ThesmokealarmwillautomaticallyreducesensitivityandtheredLEDwillblinkonapprox.
every 10 seconds to indicate the alarm is in the Silence mode. The smoke alarm will gradually
regainnormalsensitivityandsoundthealarmifparticlesofcombustionarestillpresent.The8-12
minuteSilencefeaturemaybeusedrepeatedlyuntiltheairhascleared,bypushingandreleasing
theSilencebuttonagain.Resettingthesmokealarmafteranuisancealarmisrecommended.
NOTE:IftheTestbuttonispressedandheldduringtheSilencemode,thesmokealarmwillbe
testednormally.UponthereleaseoftheTestbutton,theSilencemodewillberestarted.
NEVER use an open ame of any kind to test this smoke alarm. You might accidentally
damage or set re to the smoke alarm or to your home. The built-in test switch accurately
tests the smoke alarm's operation as required by Underwriters Laboratories Inc. (UL).
(UTHA) Sensitivity Indicating Means
The sensitivity indicating means for this Smoke and Fire Alarm is the use of the analyzer for Smoke
DetectorsModel501-Aor501-A/BatAerosolGeneratorManufacturedbyGeminiScienticCorp.,
1122-B Aster Ave., Sunnyvale, CA 94086.
The EquivalentUL268Lightobscuration%/Ftasmeasuredbythisinstrumentmustbewithinthe
obscurationlistedonthebackofthisalarm.
(UTHA) Go/No-Go Field Test
TheGo/No-GotestforthissmokeandrealarmistouseoneofthefollowingULlistedcan-type
aerosol smoke alarm testers. The instructions for use are printed on the canister. Home Safeguard,
Model 25S.

DEVELOP AND PRACTICE A PLAN OF ESCAPE
BASICS OF ESCAPE PLAN
o Makeaoorplanindicatingalldoorsandwindowsandatleasttwoescaperoutesfromeach
room. Second story windows may need a rope or chain ladder.
o Haveafamilymeetinganddiscussyourescapeplan,showingeveryonewhattodoincaseofre.
o Determineaplaceoutsideyourhomewhereallofyoucanmeetifareoccurs.
o Familiarize everyone with the sound of the smoke alarm and train them to leave your home
when they hear the sound.
o Identifychildren'sbedroomswithredstickersplacedintheupperleftcornerofthewindows.
Theyareavailablefromyourlocalredepartment.
o Practiceare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!
WHAT TO DO WHEN THE ALARM SOUNDS
o Leaveimmediatelybyyourplanofescape.Everysecondcounts,sodon'twastetimegetting
dressedorpickingupvaluables.
o Inleaving,don'topenanyinsidedoorwithoutrstfeelingitssurface.Ifhot,orifyouseesmoke
seeping through cracks, don't open that door!Instead,useyouralternateexit.Ifinsidedoor
iscool,placeyourshoulderagainstit,openitslightlyandbereadytoslamitshutifheatand
smoke rush in.
o Stayclosetotheoorifairissmoky.Breatheshallowlythroughacloth,wetifpossible.
o Once outside, go to your selected meeting place and make sure everyone is there.
o Calltheredepartmentfromyourneighbor'shome–not from yours!
o Don'treturntoyourhomeuntilreofcialssaythatitisallrighttodoso.
NATIONAL FIRE PROTECTION ASSOCIATION REQUIRED INFORMATION
Foryourinformation,theNationalFireAlarmCode,NFPA72,readsasfollows:
"11.5.1*RequiredDetection-Whererequiredbyapplicablelaws,codes,orstandardsforaspecic
typeofoccupancy,approvedsingleandmultiple-stationsmokealarmsshallbeinstalledasfollows:
(1) *In all sleeping rooms and guest rooms
(2) *Outside of each separate dwelling unit sleeping area, within 6.4 m (21 ft) of any door to a
sleeping room, the distance measured along a path of travel
(3)Oneverylevelofadwellingunit,includingbasements.
(4)Oneverylevelofaresidentialboardandcareoccupancy(smallfacility),includingbasements
andexcludingcrawlspacesandunnishedattics
(5) *In the living area(s) of a guest suite
(6)Inthelivingarea(s)ofaresidentialboardandcareoccupancy"
Theequipmentshouldbeinstalledusingwiringmethodsinaccordancewiththe
National Fire Protection Association's Standard 72.
(National Fire Protection Association, Batterymarch Park, Quincy, MA 02269)
BACKUP BATTERY REPLACEMENT
Disconnect AC power before changing battery. Shock hazard exists if AC power is miswired.
Thesmokealarmusesa9Voltbattery.Thebatteryshouldlastforatleastoneyearundernormal
operatingconditions.The smokealarmhasalowbatteryindicator,anaudiblebeeporchirp.It
willoperateatapprox.40secondintervalsforaminimumof7days.Whenthisindicationoccurs,
replace the battery with anAlkaline type (Energizer #522, Duracell #MN1604) or Lithium type
(Ultralife U9VL-J or Ultralife U9VL-J-P) from your local retailer.
LITHIUM Battery Models only - The LITHIUM battery is warranted to last for 10 years under
normaloperatingconditions.ReplacethebatterywithonlyLITHIUMtype:(ULTRALIFE:U9VL-J
or Ultralife U9VL-J-P).
OPTIONALBATTERYDRAWERTAMPERLOCKINGPIN:Tomakeyourbatterydrawertamper
resistant,alockingpinhasbeenprovided(breakawaypartonmountingbracket).
REPAIRS AND SERVICES
Thissmokealarmcontainslessthan1microcurie(37kilobecquerel)ofAmericium241,aradioactive
material. The distribution of these ionization-type smoke alarms is licensed by the U.S. Nuclear
Regulatory Commission; the consumer is exempt from any licensing or requirements. If the
smoke alarm is defective in any way, do not tamper with the smoke alarm. Return the smoke alarm
forservicing.(Seewarrantyforinstructionsorin-warrantyreturns.)Therewillbeaservicecharge
for repairing out of warranty smoke alarms.
Before using the alarm Silence Feature, identify the source of smoke and be certain that
safe conditions exist.
(UTHA) MAINTENANCE: The smoke alarm is virtually maintenance free. However, under dusty
conditions,avacuumhosemaybeusedtoclearthesensingchamberofdust.
Clean the smoke alarm at least once a monthtoremovedust,dirt,insectsordebris.Always
turnoffpowertosmokealarmbeforecleaning.Usingasoftbrushorwandattachmenttoavacuum
cleaner,vacuumallsidesandcoverofsmokealarm.Besurealltheventsarefreeofdebris.
Page 8

Page 9
CAUTION (AS REQUIRED BY THE CALIFORNIA STATE FIRE MARSHAL)
"Earlywarningredetectionisbestachievedbytheinstallationofredetectionequipment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bedrooms),andheatorsmokedetectorsinthelivingrooms,diningrooms,bedrooms,kitchens,hallways,
attics,furnacerooms,closets,utilityandstoragerooms,basementsandattachedgarages.
THIS PRODUCT IS LISTED TO UL STANDARD FOR SAFETY,
UL217 BY UNDERWRITERS LABORATORIES, INC.
Blinks On once
approxevery
40-45 seconds
Stays On Condition: AC Power is present. DC Power is present.
Recommendation: None, alarm is operating properly.
Blinks On once
approxevery
40-45 seconds
Off Condition: AC Power is not present and alarm is receiving DC Power.
Recommendation: Check the breaker or fuse box for power. If
the breaker or fuse box looks normal, call a licensed electrician
for assistance.
OPERATIONAL SUMMARY
Silent
Silent
Blinks On
approxevery
2 seconds
Stays On Condition: Nuisance Alarm.
Recommendation: If there is no hazard present, verify the alarm is
mounted in the correct location (see User's Manual, "AVOID THESE
LOCATIONS"section).Resetalarmasinstructedbelow.
Horn does not
sound when other
alarms are active
or horn does not
sound when
interconnected
alarms test
Blinks On once
approxevery
40-45 seconds
Stays On
or Off
Condition: One or more alarms not responding to interconnected alarm.
Recommendation: Press and hold the smoke alarm Test/Silence
buttonforatleast5seconds.Ifstillnoalarm,turnoffACPoweratthe
circuitbreakerorfuseboxanddisconnectthealarmfromthemounting
bracketandmakesuretheconnectorplugissecurelyattachedon
units that did not alarm. If still no alarm, have a licensed electrician
make sure the yellow wire is not mistakenly or accidentally connected
to the white (neutral) wire.
3 Beeps,
2 second pause,
Repeat
Blinks On
approxevery
2 seconds
Stays On Condition: Originating Smoke Alarm.
Recommendation:Ifhazardisidentied,pleasetakeallprecautions
if an alarm sounds by calling an Emergency Service and getting
out of the home.
3 Beeps,
2 second pause,
Repeat
Off Stays On Condition: Non-originating Smoke Alarm. Another interconnected
smoke alarm has sensed smoke, causing all interconnected units
to alarm.
Recommendation:Ifhazardisidentied,pleasetakeallprecautions
if an alarm sounds by calling an Emergency Service and getting
out of the home.
Blinks On once
approxevery
40-45 seconds
(normal operation
mode) or Blinks On
onceapproxevery
10 seconds
(silence mode)
Stays On Condition: One alarm has sensed smoke.
Recommendation: QUICK FIND®Alarm Origination - In an
interconnectedsystem,itisdifculttodeterminewhichalarminitiated
the alarms to sound. The QUICK FIND®feature will immediately
allow you to locate the originating alarm (once the alarms have
stopped sounding). To initiate QUICK FIND®, press the Test/Silence
buttononany alarm.After releasingthebutton,thetestsequence
will sound and then stop. Then, the originating alarm will continue to
soundforapprox50seconds.Inanon-interconnectedinstallation,
it is necessary to test each alarm to determine the originating alarm.
Reset the originating alarm.
Blinks On once
approxevery
40-45 seconds
Stays On Condition:Alarm needs to be reset due to varying conditions/
previous alarms.
Recommendation:ToResettheAlarm,holdtheTest/Silencebutton
forapprox10seconds.Thiswillclearalarmorigination.Resetafter
each smoke alarm event.
Silent
1 Chirp
approxevery
40 seconds
Stays On Condition: Low Battery
Recommendation: Checktomakesurethebatteryactivationpull
tabhasbeencompletelyremoved,batterypolarityiscorrectandthe
batteryterminalsaremakingcontactwiththesmokealarmcontacts
inthebatterydrawer.Ifchirpcontinues,replacethe9Vbattery(see
User'sManualforrecommendedbatterytypes).
3 Beeps,
2 second pause,
Repeat
3 Beeps,
2 second pause,
Repeat
Stays On Condition: Alarm has sensed smoke.
Recommendation: Silence Feature is activated by pressing and
releasingtheTest/Silencebuttonontheinitiatingalarmwhileinalarm
condition.Silencemodewilllastforapprox8-12minuteswiththered
LEDblinkingonceapprox.every10seconds.
Blinks On
approxevery
2 seconds
Silent
(alarmed
previously)
CONDITION / RECOMMENDATION
HORN RED LED GREEN LED
Blinks On once
approxevery
40-45 seconds
(normal operation
mode) or Blinks On
onceapproxevery
10 seconds
(silence mode)
Blinks On once
approxevery
40-45 seconds
1 Beep
approxevery
60 seconds
Condition: Product End-of-Service Life Signal.
Recommendation: Replace alarm immediately. To silence signal
forapprox. 9hours,press andreleasetheTest button.The alarm
will sound for approximately 60 seconds while it resets.After the
resetfunctioniscompleted,theproductend-of-servicesignalwillbe
silentforapprox.9hoursandwillreactivateafterthesilenceperiod.
Stays On

288-3446-09
©2020 UNIVERSAL SECURITY INSTRUMENTS, INC., Rev. 03/2020 CD
Printed in China
MODELS MI106, MI106L
PRODUCT TEN-YEAR LIMITED WARRANTY
USI Electric, Inc. /Universal Security Instruments, Inc. (“USI”) warrants this product to be
free from defects in material and workmanship for a period of ten (10) years from the date
of purchase. Thiswarrantyshallnotapplytoanybatteriesusedintheproductortoanydamage
which may be caused by such batteries. This warranty applies only to the original consumer
purchaser and only to products used in normal residential use and service. If this product is found
tobedefective,USI’sonlyobligation,andyourexclusiveremedy,istherepairorreplacementof
theproduct,atUSI’sdiscretion,providedtheproducthasnotbeen damagedthroughmisuse,
abuse,accident,modications,alteration,neglectormishandling.ThisWarrantyshallnotapply
toanyproductwhichisfoundtohavebeenimproperlyinstalled,set-up,orusedinanywaynotin
accordance with the instructions supplied with the product.
ALARM RETURNS
For replacement of this alarm under the terms of this Warranty, contact the Customer Service
Departmentat800-390-4321extension238toobtainthecurrentpostageandhandlingfees.USI
does not warrant, and specically disclaims any warranty, whether express or implied, of
tness for a particular purpose, other than the warranty contained herein. No implied warranty
on this product, created by state law, shall extend beyond the term of this warranty unless
such law otherwise provides. USI specically disclaims any liability and shall not be liable
for any consequential or incidental loss or damage, including, but not limited to, damages
to any equipment with which this product is used. Somestatesdonotallowtheexclusionor
limitationofincidentalorconsequentialdamages,sotheabovelimitationsorexclusionsmaynot
apply to you. No agent, representative, dealer, or employee of the company has the authority to
increaseoraltertheobligationsortermsofthisWarranty.ThisWarrantygivesyouspeciclegal
rights and you may also have other rights which vary from state to state. This Warranty is only valid
formerchandisepurchasedfromoutletsintheUnitedStatesandCanada.Thiswarrantyexpires
upon product end-of-service life signal.
LITHIUM BATTERY LIMITED WARRANTY
TheUltralifebatterymodelsU9VL-JandU9VL-J-ParewarrantedbyUltralifeCorporationinthis
alarmONLYandarenotwarrantedinanyotherdevice.Submityourwarrantyclaimthroughthe
Ultralifewebsitewww.ultralifecorp.comorcall800-332-5000.
11407 Cronhill Drive, Suite A
Owings Mills, Maryland 21117 USA
VisitUsontheWeb!www.UsiElectric.com