Installation Guide
Fixed Time Delay:ThexedTime-Outvalueisselectedbyrotatingthe
TimeControldial.Therearefour(4)valuesfromwhichtochoose.Each
markaroundthedialcorrespondstoadifferentvalueasindicatedbelow
(refer to Control Panel Diagram).
NOTE:Alltimedurationsareapproximatewithin±10seconds.
Adapting Time Delay:TheSensorhasbuiltinadaptingintelligencethat
changestheAdaptingTime-Outdurationinresponsetotheoccupancy
conditionsoftheroomitisinstalledin.IftheSensordetects“large,”
infrequentmotionitwillINCREASEtheAdaptingTime-Outduration.If
theSensordetects“large,”frequentmotion(asinseveralpersonsina
roomduringameeting),itwillDECREASEthetime-outdurationonly
ifitwasNEVERincreased(thisisbecausethebuiltinintelligencewill
alwaysproceedinthedirectionof“increasing”adaptingTime-Outonce
ithasincreaseditforanyoftheoccupancyconditionssensed).The
AdaptingTime-Outdurationwillrangefrom10to30minutesintimeplus
theWalk-ThroughTimeDelay.
Walk-Through Time Delay:Thewalk-throughfeaturewhichisonly
activeintheAdaptingTime-Outmode,isusefulwhenaroomis
momentarilyoccupied.Withthisfeature,theSensorwillturnthelights
OFFshortlyafterthepersonleavestheroom.Thewalk-throughfeature
worksinthefollowingmanner:Whenapersonenterstheroom,the
lightswillturnON.Ifthepersonleavestheroombeforethewalk-through
time-outof2.5minutes,theSensorwillturnthelightsOFFafter2.5
minutes.Ifthepersonstaysintheroomforlongerthan2.5minutes,the
SensorwillinsteadusethestoredAdaptingTime-OutDelaysetting.
IftheSensordetectsmotionwithin30secondsafterthelightsturnOFF,
itwillturnthelightsONandincreasethetime-outvalueby1.5timesthe
existingvalue.
TheAdaptingTime-Outmayberesettothebasevalueof30minutesby
rotatingtheTimeControltoanewtimeselectionvalueandthenbackto
theAdaptingTime-Outvalue(refer to Control Panel Diagram).
Ambient Light Override:TheAmbientLightOverrideisusedtokeep
thelightsOFFifthereisalreadyenoughnaturallightintheroom.
Forproperoperation,theAmbientLightOverrideadjustmentmustbe
performedwhenthereisenoughnaturallight(refer to the SETTINGS
section).Iftheadjustmentismadewhenthereislessnaturallight,the
lightsmaynotturnONeventhoughtheyareneededandwillrequire
manualactivationofthepush-buttonstoturnthelightsON.
NOTE:Theambientlightlevelinthecenterofaroomwillbedifferent
thanthelevelatthewallwheretheswitchislocated.
Ambient Light Dial:Theambientlightsettingisadjustedwiththe
AmbientLightDial(refer to Control Panel Diagram).TurningtheLight
Dialfullycounter-clockwise(CCW),setstheSensortomanualONmode
(seefollowingsection).IfthelightcontrolisinthefullyCWposition,the
lightswillturnONwhenevermotionisdetected,eveninfulldaylight.
IntermediatesettingswillcausethelightstoturnONonlywhenthe
ambientlightisbelowthelevelselectedbythelightcontrol.
NOTE:WhenthesettingisattheminimumCCWlevel,thelightswill
stayOFFwhentheroomisdim.Whenthesettingisatthemaximum
levelclockwise(CW),thelightswillturnONwhentheroomisbright.
Manual ON Mode:WhenthelightcontrolisinthefullyCCWposition
thelightswillneverautomaticallyturnON.Inthismodethelightsneed
tobemanuallyturnedONbythepush-button,andwillturnOFFwiththe
absenceofmotion.
PIR RANGE:TodecreasePIRdetectionrangeandsensitivity,rotatethe
knobCCW(refer to Control Panel Diagram).Thedetectionrangecan
beadjustedfrom100%downto30%.
ULTRASOUND (US) SENSITIVIY AND PIR DISABLE:USsensitivity
canbeadjustedtoHIGH-MEDIUMorLOWbyholdingtheONbutton
for15seconds.TheLEDwillashtorepresenttheUltrasonicsensitivity
andPIRstatus.TappingtheONbuttonduringthedesiredLEDash
indicationwillsettheUltrasonicsensitivityandPIRstatus.Usethe
followingchart:
Note:Todisable/enableUltrasonicTechnology:
1 Turnthe"light"adjustmentknobCCW.
2 Holdthebuttondownfor6-7seconds.
3 Relasebutton.RedLedblinking=PIRonly.
GreenLEDblinking=USactive.
TIME
1
2
A
3
RANGE
BLINDERS
LIGHT
4
7
10
4
7
10
Slash Mark
Blinder adjustment levers
Control Panel Cover
PUSH BUTTON(S)
Cat.No.OSSMT-GDxhasasinglepush-buttonswitchthattogglesthe
relayanditscorrespondingload,ONandOFF(refertogure).Ifthe
relayisOFF,therelaywillturnONwhenthepush-buttonispressed,
andremainONinthepresenceofmotion.Intheabsenceofmotion,the
SensorUnitwillTime-OutandturntherelayOFF.
NOTES:
• TheMotionIndicatorLEDwillblinkeverysecondwhilemotion
isdetected.AredblinkrepresentsPIRdetection,agreenblink
representsUltrasonicdetection.
• WhentheTime-OutexpiresandtherelayturnsOFFa30second
vacancyconrmationexisttoturntherelaybackON.Afterthistime
thedevicewillbeplacedintoalowerdetectionthresholdmode.
• InManual-ONmode,thebuttonmustbepressedtoturnthelightsON.
Intheabsenceofmotion,theunitwillTime-OutandturnthelightsOFF.
• IfManual-Onmodeisdesired,keeptheLightknobinthefully
counter-clockwise(CCW)position.
NOTE:ToavoidPERMANENTDAMAGEtotheunit,becarefulNOT
TOOVERTURNoruseexcessiveforcewhensettingthecontrol
knobsorleversofCatNo.OSSMT.Useasmallstraightblade
screwdrivertoadjusttheknobsandyourngertoadjusttheblinder
levers.
1. RemoveDecora
®
wallplateandControlPanelCoverfromSensor.
2. RotatetheTimedialtoselectthedesiredxedTime-Outvalue.
3. IftheSensorisinstalledwithin6feetofanairduct,rotatetheRange
Control1/4turncounter-clock-wise(CCW).
4. Set the Ambient Light Level - AMBIENT LIGHT:Cat.No.OSSMT
hasanadjustmenttodetermineatwhatminimumambientlight
leveltheunitwilloperate.Theadjustmentshouldbemadewhenthe
ambientlightisatthelevelwherenoarticiallightisneeded.Follow
thesestepstomakeamoreaccurateadjustmentofthelightcontrol.
ThisfeaturewillnotworkinManual-Onmode.
A. WiththelightsON,rotatetheTimeControlfullyCCWtotheset
theTime-Outtothethirty(30)secondtestmode(refer to Control
Panel Diagram).
B. RotatetheLightControlfullyCCW.
C. ManuallyturnOFFthelights.
D.
RotatetheLightControlclockwise(CW)SLOWLY,untilthelights
turnON.Thisisthesettingforthecurrentleveloflightintheroom.
Adjustthelightcontrolback(CCW)alittlesothelightswillnotturn
onwiththecurrentroomlightinglevel.Leavetheroomandwait
forthe30-secondtimeoutand30-secondvacancyconrmation
(45-secondconrmationfortheOSSMT-MD)toexpire.Performa
walkthroughtoseeifthelightsturnonwiththenewambientlight
leveladjustment.Repeatthisadjustmentasneededtokeepthe
lightsfromturningonunderconditionswhenenoughlightispresent.
NOTE:WhenthelightcontrolisinthefullyCCWpositionthelights
willneverautomaticallyturnON.ThisistheManual-Onmode,
wherethelightsneedtobemanuallyturnedONbythe
push-button,andwillturnOFFwiththeabsenceofmotion.
IfthelightcontrolisinthefullyCWposition,thelightswillturnON
whenevermotionisdetected,eveninfulldaylight.
IntermediatesettingswillcausethelightstoturnONonlywhenthe
ambientlightisbelowthelevelselectedbythelightcontrol.
NOTE:Theambientlightinaroomwillchangewiththetimeofday
andtheseasonoftheyear.
5. Time-Out Settings:
A. AdjusttheTimedial.TheSensorAmberLEDwillashtwiceeach
timetheTimedialispointedatanewTime-Outvalue.
TheTime-Outvaluesfornon-adaptingmodeare:
NOTE:Toreturntoadaptingmode,rotatetheTimedialtofullCW
position(Asetting).BesuretheTimedialisrotateduntilanAmber
LEDashisissuedtobesureanewsettingwasselected.
(/)SlashMark
1
2
3
A
30secondxedtime-outforperformingawalktest
10minutesxedtime-out
20minutesxedtime-out
30minutesxedtime-out
AutoAdapting
Value of TimeFace Marking
SETTINGS
OPERATION
LIMITED 5 YEAR WARRANTY AND EXCLUSIONS
LevitonwarrantstotheoriginalconsumerpurchaserandnotforthebenetofanyoneelsethatthisproductatthetimeofitssalebyLevitonisfreeofdefectsinmaterialsandworkmanshipundernormalandproperuseforveyearsfromthepurchasedate.Leviton’sonlyobligationistocorrectsuchdefectsbyrepairorreplacement,atitsoption,ifwithinsuchveyearperiodtheproductisreturnedprepaid,
withproofofpurchasedate,andadescriptionoftheproblemtoLeviton Manufacturing Co., Inc., Att: Quality Assurance Department, 59-25 Little Neck Parkway, Little Neck, New York 11362-2591.Thiswarrantyexcludesandthereisdisclaimedliabilityforlaborforremovalofthisproductorreinstallation.Thiswarrantyisvoidifthisproductisinstalledimproperlyorinanimproperenvironment,
overloaded,misused,opened,abused,oralteredinanymanner,orisnotusedundernormaloperatingconditionsornotinaccordancewithanylabelsorinstructions.Therearenootherorimpliedwarrantiesofanykind,includingmerchantabilityandtnessforaparticularpurpose,butifanyimpliedwarrantyisrequiredbytheapplicablejurisdiction,thedurationofanysuchimpliedwarranty,
includingmerchantabilityandtnessforaparticularpurpose,islimitedtoveyears.Levitonisnotliableforincidental,indirect,special,orconsequentialdamages,includingwithoutlimitation,damageto,orlossofuseof,anyequipment,lostsalesorprotsordelayorfailuretoperformthiswarrantyobligation.Theremediesprovidedhereinaretheexclusiveremediesunderthiswarranty,
whetherbasedoncontract,tortorotherwise.
1. IfthereisnoresponsefromtheunitandtheLEDneverblinksorthe
pushbuttondoesnotactivatethelights1-1/2minutesafterpoweris
applied,thenuninstalldeviceandverifywiring(Step 4).
2. IfthelightsconstantlystayON,evenwhentheroomisunoccupied:
A.ChecktheTimesetting.Seehowthistimecomparestohowlong
thelightsstayON.
B.TryloweringthePIRRangeControl.Rotatetheknob
counterclockwiseabout30°.
C.Iftheproblempersists,tryreducingagain.
NOTE:DonotreducesomuchthattheSensorUnitcannotsee
normaloccupancy.
D.TryloweringtheUltrasonicSensitivity.
E.BesuretousetheBlinderstoblockanyunwantedhallwaytrafc.
F. Checkforreectedheat/motionastheSensorUnitmaybeseeing
motionthroughawindow.
G.CheckforadjacentHVACand/orheaterducts.
H.IfyourOSSMT-GDdoesnotseemtobefunctioningandhasa
ashingamberLED,theremaybeazero-crossfailure.Pleasecall
fortechnicalassistance.
IfyourOSSMT-MDhasaashingamberLED,thezero-cross
failureover-ridehasoccured,butthesensorwillstilloperateuntil
youareabletoreachtechnicalassistance.
TROUBLESHOOTING
Lens
Blinders
Control panel
cover
Push button
LED window
US sensor ports
• Fortechnicalassistancecontactusat1-800-824-3005
• Visitourwebsiteatwww.leviton.com
PRODUCT INFORMATION
• Securedevicebyrmlytighteningmountingscrews.
• InstallDecora
®
stylewallplate(soldseparately).
Small Motion=DualTechnologycoverage.Thisalsorepresentsthe
maximumultrasonicrangecoverage.
Wall surface
Device mounting screw
(2 places)
Wallplate
Wallplate
mounting
screw
(2 places)
20 ft (6.1 m)
small motion
30 ft (9.1 m)
20 ft (6.1 m)
small motion
40 ft
(12.2 m)
Field - of - View (Horizontal)
40 ft.
(12.2 m)
4 ft.
(1.2 m)
Sensor
Side (Vertical) Field - of - View
DI-0XX-OSSMT-00B
©2010LevitonMfg.Co.,Inc.
Control Panel Diagram
US Sensitivity and PIR Disable
3 amber flashes High ultrasonic sensitivity, PIR enabled
2 amber flashes Medium ultrasonic sensitivity, PIR enabled
1 amber flash Low ultrasonic sensitivity, PIR enabled
3 green flashes High ultrasonic sensitivity, PIR disabled
2 green flashes Medium ultrasonic sensitivity, PIR disabled
1 green flash Low ultrasonic sensitivity, PIR disabled
NOTE:Theprogramtimesoutin30secondsfromthelastbutton
press.ThefactorysettingfortheUSsensitivityisMediumwithPIR
andUltrasonictechnologiesenabled.
7. ReplacetheControlPanelCoverandDecora
®
wallplate.
6. Ifdesired,adjusttheblinderstoblockanyunwantedmotion.
FCC COMPLIANCE STATEMENT
ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttofollowing
twoconditions:(1)thisdevicemaynotcauseharmfulinterference,and(2)this
devicemustacceptanyinterferencereceived,includinginterferencethatmaycause
undesiredoperationofthedevice.
ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassB
DigitalDevice,pursuanttoPart15oftheFCCRules.Theselimitsaredesigned
toprovidereasonableprotectionagainstharmfulinterferenceinaresidential
installation.Thisequipmentgenerates,uses,andcanradiateradiofrequency
energyand,ifnotinstalledandusedinaccordancewiththeinstructions,maycause
harmfulinterferencetoradiocommunications.However,thereisnoguaranteethat
interferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoescause
harmfulinterferencetoradioortelevisionreception,whichcanbedeterminedby
turningtheequipmentOFFandON,theuserisencouragedtotrytocorrectthe
interferencebyoneormoreofthefollowingmeasures:
• ReorientorrelocatethereceivingAntenna.
• Increasetheseparationbetweentheequipmentandthereceiver.
• Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthe
receiverisconnected.
• Consultthedealeroranexperiencedradio/tvtechnicianforhelp.
FCC CAUTION
AnychangesormodicationsnotexpresslyapprovedbyLevitonManufacturingCo.,
Inc.,couldvoidtheuser'sauthoritytooperatetheequipment.


