Installation notes
DANLERS Limited, Vincients Road, CHIPPENHAM, Wiltshire, SN14 6NQ, UK.
Telephone: +44 (0)1249 443377 Fax: +44 (0)1249 443388
Company Registered Number 2570169 VAT Registration Number 543 5491 38
Products available from DANLERS
• PIRoccupancyswitches•Daylightlinkeddimmers•Manualhighfrequencydimmers
• Photocells • Radio remote controls • Time lag switches • Outdoor security switches
• Dimmers•Heating,ventilationandair-conditioningcontrols•Bespoke/O.E.M.products
Please call for more information or a free catalogue, or visit our website.
ThisproductconformstoBSEN60669-2-1.
Pleaseensurethemostrecenteditionoftheappropriatelocalwiringregulationsareobserved
andsuitableprotectionisprovidede.g.6ampsovercurrent,1kVovervoltage.Pleaseensure
thatthisdeviceisdisconnectedfromthesupplyifaninsulationtestismade.
Thisproductiscoveredbyawarrantywhichextendsto5yearsfromthedateofmanufacture.
Precautions and Warranty
Ceiling Surface PIR occupancy switches
CESF PIRAR
DANLERSceilingsurfacepassiveinfra-redoccupancyswitches(CESF
PIRAR)canbeceilingmountedonasquarepattressbox(DANLERS
code:PABO).
TheCESFPIRARincorporatesapassiveinfra-redquadsensorto
detectmovementofawarmbodywithinitsdetectionzone(diagram
A)andaphotocelltomonitortheambientlightlevel.
Upondetectingmovement,iftheambientlightisdarkenough,theCESF
PIRARwillswitchtheloadon.Theambientthresholdcanbesetby
theusertobetweenapproximately100luxandinnitelux(photocell
inactive)viatheLUXadjuster(diagramB).
Ifnomoremovementisdetectedwithinapre-selectedtime,then
theCESFPIRARwillswitchtheloadoff.Thistimelagcanbesetvia
theTIMEadjusterto10seconds,20s,40s,1minute15seconds,
2m30s,5m,10m,20mor40minutes(diagramB).
CESFPIRARalsoincorporatesasensitivityadjuster,labelled‘SENS’,
toreducetherangeandsensitivityofdetection(diagramB).
Loading
TheCESFPIRARcanbeconnectedtoa230V(+/-10%)50Hz(+/-
10%)acsupply
Theycanswitchupto6amps(1500W)of:
• Fluorescentlamps,highfrequencyorswitchstart
• Incandescentormainshalogenlamps(recommendedwithintegralsafetyfuse)
• Electronicorwirewoundtransformers.
Theycanalsoswitchupto:
• 2amps(500W)oflowenergylamps:CFL,LED,2Detc.
• 1amp(250W)ofmetalhalidelampsorfans.
Theyhaveaminimumswitchingcapacityof0.5W,forlessthanthisaGold
relayversionshouldbeused,seeVariantssection.
Forlargerloads,thePIRcanbeusedtoswitchacontactor.
22/07/13 INS944AR CESF PIRAR
Variants
AsDANLERSdesignandmanufactureintheUK,variantscanbesupplied,
codedbythefollowingsufxesandappliedinthisorder:
• 12Vor24V 12Vor24V(acordc)operation
• VF VoltFreecontacts
• GOLDorLG GoldorLogicGoldcontacts
• NC NormallyClosedcontacts
Variantdetailsarecoveredinanenclosedaddendumsheetifapplicable.
Troubleshooting
The load will not switch on:
• TheLUXadjusterissettoolowandisinhibitingtheswitch.
• TheSENSadjusterissettoolow.
• ThemovingbodyisnotemittingmoreIRthanthebackground.
(Personwearinginsulatingclothinginawarmenvironment)
• PersonistoofarfromthePIRswitch,seedetectiondiagram.
• Personismovingunusuallyslowly(perhapswhentesting).
The load switches on when nobody is present:
• Heatercausinginfra-redvariationsinacoldsmallroomorceilingvoid
drafts,fans,orsealeddoorscausingairmovement.
Reducethesensitivityadjusterorconsiderusingthe
CESFPIRAR2Ddoubledetectionversion.
• PleasecontactDANLERSforfurthertechnicalsupport.