
4
1. Selectalocaontothemountthesensorontheceilingbyidenfyingthe
movementpaernsthatwillbethemostcommoninthespace.
• Forsmallerocespaceswherehandmoononadesktopiscommon,
locatethesensorotooneendofthedesk,inlinewiththedeskedge
orslightlybehindsothePIRlenshasdirectline-of-sighttothekeyboard
desktoparea.InsurethatthePIRlensdoesnothavedirectline-of-sight
outadoorwaywherewalk-bytraccouldtriggerthesensor.
• Largeroceswherelargerbodymoonismorecommon,placementof
thesensorislesscrical.
2. Forthebestsensorperformance,mountthesensorsoatleastoneof
thesolarcellsisfacingalightxture.Thesensorwilloperateinlowlight
levelshoweverforbestperformance,aminimumof4footcandlesmust
bemaintained.Ifthecontrolledlightsinthespacearedimmableeither
manuallyofviadaylightharvesng,insurethelightlevelatthelowest
dimmedlevelmeetsthis4FCrequirement.Ifthelightvaluedoesnotmeet
thisrequirement,installabaery.
3.Removethecoverbypushingupwardsonthecover.Using a small
screwdriverforleverage,insertundertheclearplasclensatoneofthe
relieftabsinthebaseplateandpullup.Youwillneedtorepeatwithat
leasttwotabsunlthelenspopsfree.
4.Chooseamounngmethod.Thesensorcanbemounted:
• Withthescrewsandanchors(notprovided)toawall-boardceiling.Use
apenciltomarkthemounngbasekeyholelocaonsandremovethe
sensor.Usingadrill,borethetwoholesandinserttheanchors.Install
thescrews,leavingthemloosewhileyouplacethesensor.Tightenthe
screws.
• WithdoublesidedtapeorVelcro™,notprovided.Cuttwolengthsof
tapeandremovethebacking.Placeonthemounngsurfaceofthe
sensorsbackplate,pressingdown.Removethebackingfromthetapes
othersideandplacethesensorontheceilingsurface,pressingrmly.
5.Replacethesensorcoveraligningthebuonholewiththeteachbuon
and press in place.
6.Refertothesecontled.
Thisprocessrequiresthecontrollerorreceivertobemountedandpoweredand
withinrangeofthesensortobelinked.
1. AcvateLEARN or LINKmodeatthereceiver,ifnecessaryrefertothe
manufacturersdocumentaon.
2. TapthesensorsTEACHbuononce.
3.DeacvateLEARNmodeatthereceiver.
NOTE:Ifthesensorisalreadylinkedtoacontroller,linkingagainwillun-linkthesensor.
ThebaeryisnotrequiredfornormaloperaonoftheMOS-21xA and MOS-
21xB models. The baery (model CR2032) may be useful for installaon
purposes(testmodeoperaonandlinking)orforapplicaonswherethereare
long periods of no light.