SunTouch Snow/Ice Sensor 090 and Socket 091 User manual

Installation & Operation Manual

 of8 ©203WattsRadiant

Snow/Ice Sensor 090 In slab, w 65 ft cable

Snow/Ice Sensor Socket 091

Introduction

Snow/Ice Sensor 090 Features

Automaticsnow/icedetection

Slabtemperaturesensing

Longwireincludedsoinfieldsplicing

isnotnecessary

Designedforlonglifeindrivewayand

walkwayinstallations

65ft(20m)ofcable

•

Snow/IceSensor090

Snow/IceSensorSocket09

TheSnow/IceSensor090isanin

groundsensorusedwithWattsRadiant

snowmeltingcontrols653and654,and

sometekmarsnowmeltingcontrolsto

automaticallydetectsnoworiceona

drivewayorwalkway.Thesnow/icesensor

has65ft(20m)ofwire.Thisproduct

canbeusedinapplicationsranging

fromresidentialdrivewaystocommercial

buildingfrontssuchasemergencyaccess

entries.Thissensorallowstheabove

Snow/Ice Sensor Socket 091 Features

Providesmountingsolutionfor

Snow/IceSensor090

Includesmountingplate

•

snowmeltingcontrolstoautomatically

operatethesnow/icemeltsystemonly

whensnoworiceispresent,whilealso

providingslabtemperaturefeedbackto

thecontrol.

TheSnow/IceSensorSocket09is

designedtoprovideamountingsolution

fortheSnow/IceSensor090.Itisintended

tobeinstalleddirectlyintoaconcreteslab

whentheslabispoured,sothatthe090

canbeinstalledintoitoncedry.

3–7/16"

(87 mm)

1–3/4"

(45 mm)

3/16"

(5 mm)

Cable length 65'

(20 m)

Ø 7/8" (22 mm)

3–13/16"

(97 mm)

3–1/8" (80 mm)

3–1/2" (89 mm)

3/4"

(19 mm)

IOM-WR-Snow_Ice-090_09324 2of8

Checkthecontentsofthispackage.Ifanyofthecontentslistedaremissingor

damaged,pleaserefertotheLimitedWarrantyandProductReturnProcedure

onthebackofthisbrochureandcontactyourwholesalerorWattsRadiantsales

representativeforassistance.

Order number 81005661 includes:•

OneSnow/IceSensor090with“O”ring

•

Four,

#6-32x3/8"screws

•



Four,#4-40x7/6"screws•OneInstallation&OperationManual

Order number 81003753 includes: •OneSnow/IceSensorSocket09•One

protectiveplasticplug•Oneplasticmountingplate•Eight,#6-32x3/8

screws•

One

Installation&OperationManual

Location of the Sensor

----------------------------------------------

Thelocationofthesnow/icesensordetermineshowwellthesnowmeltdetector

respondstoconditionsonthesnowmeltingslab.Thesensormeasuresthe

temperatureoftheslabsurface,andwouldnormallybeinstalledinalocationthat

isrepresentativeoftheaveragesurfacetemperatureandmoistureconditions.The

onlyexceptiontothispracticewouldbethoseapplicationswherethesensoris

placedinaspecificproblemareawhereiceorsnowoftenformsfirst.

Theinstallershouldbecarefultoplacethesensorinalocationwhereitwillnotbe

affectedbyabnormaltemperatureconditionsthatmayoccurnearbuildings,hotair

exhaustductsorotherheatsources,orsunnyareaswithinalargerslabarea.

Aswellasreadingtemperatures,thesensoralsodetectssurfacewater.Theinstaller

shouldbecarefulnottoplacethesensorwherestandingwatercouldaccumulate

onitssurface.Standingwaterinthesocketmaycausethesnowmeltsystemto

beheldonfarlongerthannecessary,asthecontrolwillbegettingasignalthat

waterispresenteventhoughtherestoftheslabsurfacemaybedry.Inaddition,

thesensorshouldnotbeplacedinareaswheredrainageisconsiderablybetter

thanthesurroundingarea.

Thesnow/icesensorshouldnotbeinstalledinlocationswherevehiclespark,

nearbuildingoverhangsorneartreessincethismayinterferewithsnowfall

accumulation.Ifindoubtaboutthelocationoftheseobstacles,asecondspare

socketandconduitcanbeinstalledinordertoprovideabackupsensorlocation.

SomeWattsRadiantSnowMeltingControlsarecapableofdualsensing.To

determineifthisfeatureisavailable,refertotheInstallation&OperationManual

fortheSnowMeltingControl.

•

ReadthisManualBEFOREusingthisequipment.

Failuretoreadandfollowallsafetyanduseinformationcanresultin

personalinjury,propertydamage,ordamagetotheequipment.

KeepthisManualforfuturereference.

Itisyourresponsibilitytoensurethatthissensorissafelyinstalledaccordingto

allapplicablecodesandstandards.WattsRadiantisnotresponsiblefordamages

resultingfromimproperinstallationand/ormaintenance.

Step 1 - Check the Contents

Step 2 - Sensor Installation

 3of8 ©203WattsRadiant

Vehicletireandpedestriantrafficcantrackwaterandcontaminantsontothesnow

meltarea.Ifthesnow/icesensorislocatedinthetrafficarea,snowmeltingwillbe

triggeredbythepassingtraffic.Thismaybedesirableincommercialareaswhere

excessivetrafficcancausethesurfacetobecomeicy.Inresidentialinstallations,the

amountoftrafficisusuallylimited,anditmaybedesirabletolocatethesnow/ice

sensorawayfromthetrafficarea.Thiswillreducethenumberofsnowmeltevents

thatoccurandtherebyreducetheannualfuelconsumption.

Locatethesensormidwaybetweentheheatingpipesorelements.

Conduit

------------------------------------------------------------

Placethesensorsocketatthechosenlocationandrunaconduitforthecablefrom

thesockettothesnowmeltingcontrol.Ifmorethan65’(20m)ofcableisrequiredto

reachthecontrol,runtheconduittoaweatherproofjunctionbox.Thesensorcable

shouldberuninitsownconduitandnotincombinationwithhighvoltagewiring.

Theconduitlengthfromthesensortothejunctionboxshouldbelessthanthe65’

(20m)ofcablesuppliedwiththesnow/icesensor.

Atthejunctionbox,additional8AWG,5conductorcablecanbesplicedonto

increasethetotallengthto500’(50m)fromthesensortocontrol.

Avoidtyingtheconduittotherebarwithin6’(2m)ofthesocket.Thisallowstherebar

gridtomovewithoutdisturbingthepositionofthesocket.

•

Thetopofthesnow/icesensorshouldbeflushandparallel

tothatofthesnowmeltsurface.

Whenthesensorisinstalledonaslopeddriveway,thesensor

mustbeinstallednearthelowestelevationoftheslope.This

isrequiredsincethemeltingsnoworicerunoffwaterwill

draintowardthelowestpointonthedrivewayandkeepthis

areawetforlongerperiodsoftime.

Sloped Surfaces

----------------------------------------------------

Installing the Socket

------------------------------------------------

Mounting Plate

. Drainagehole

2. Socketscrewholes

3. Rebarholes

4. Rebartieholes

5. Conduittieholes

3 3

2 2

Amountingplatehasbeenincludedtosimplifythe

installationofthesensorsocket.Whenpossible,the

mountingplateshouldbelocateddirectlyontopofgravel

inordertoprovidegooddrainage.Iftheslabismore

than4”thick,amoundofcrushedrockorastyrofoamor

woodenblockcanbeusedtoelevatethesocket.Ahole

mustbepunchedordrilledinthestyrofoamorwooden

blockinordertoprovidedrainage.

Failure to provide adequate drainage under the socket

may reduce the life expectancy of the snow / ice

sensor.

Themountingplatecanbefastenedtothegroundby

driving/2"(2.7mm)rebarthroughthefourholeslocated

oneachofthefourcornersandthentyingthemounting

platetotherebar.

IOM-WR-Snow_Ice-090_09324 4of8

. Cutfourpiecesofrebaratleast2"(300mm)long.

2. Drivetherebarintothegroundthrougheachofthemountingplaterebar

holes.Leaveapproximately2"(50mm)ofrebarabovetheground.

 Cutseveral2

(300mm)piecesofsteelwire.

4. Forma“U”shapeandpullwirethroughtherebartieholefromthebottom

tothetopside.

5. Repeatbypullingthe“U”shapefromthetoptothebottomside.

6. Repeat(4)and(5)foreachofthefourcorners.

7. Crossthewire,thenwraparoundtherebar.

8. Twistwireusingplierstotighten.

Themountingplatealsohasconduittieholestoallowacabletieorsteelwireto

fastentheconduittothemountingplate.

Placing Concrete

---------------------------------------------------

Aplasticplugisprovidedwiththesockettopreventitfrombeingaccidentallyfilledwith

concrete.Theplasticplugisthesamethicknessasthesensorflange.Thisallowsthe

finishedsurfaceoftheconcrete(asphalt,etc.)tobetroweledflushwiththeplug.The

plugmustbeinstalledpriortoplacingtheconcrete.Alsoensurethatthemounting

platedrainageholeremainsunpluggedoncetheconcretehascured.

Installing Brick Pavers

----------------------------------------------

Ifusingbrickpaversinsteadofconcrete,itisrecommendedtomortarsurrounding

brickpaverstothesideofthesocket.Thisensuresgoodthermalconductionfrom

thebrickpaverstothesocket.Thetopofthebrickpaversshouldbelevelwiththe

socketwhentheplasticplugisinstalled.

Install the Sensor and Cable

----------------------------------------

Whenthesnowmeltsurfaceisfinished,

removetheplasticplugfromthesocket

andfishthecablethroughtheconduituntil

thereisonly6to2"(50to300mm)of

cablebetweenthesensorandconduit.

Loopthisremainingextrawireinaloose

coilsoastonottwistit,andplaceit,and

thesensorintothesocket.Securethe

sensortothesocketwiththefourscrews

provided,makingsurethe“O”ringisin

placeandproperlyseated.

 5of8 ©203WattsRadiant

Placement in Existing 091 Socket

-----------------------------------

CurrentversionsoftheSnow/IceSocket09use#6-32screws.Previousversions

ofthe09usedsmaller#4-40screws.Whenreplacingan090,bothsetsofscrews

areprovided.Itisrecommendedtotrythesmallerscrewsfirsttoavoidcross

threading.

Salt and Brine Contamination

---------------------------------------

Theperformanceofthesnow/icesensorwaterdetectioncanbecompromised

whenexposedtode-icingagentssuchasroadsalt,magnesiumchloride,orcalcium

chloride.Thesecontaminantscanpermanentlydamagethesensor.Itisrecommended

tolocatethesensorawayfromareasexposedtothesedeicingagentswhenatall

possible.Locationstoavoidcouldincludetiretrackareasorareasclosetoacurb

wheretravelingvehiclesmaysplashcontaminatedwaterontothesensor.

Maintenance

-------------------------------------------------------

TheSnow/IceSensorisinstalledinaharshenvironment.Accumulationofdirt,salty

grime,etc.,onitssurfacewillinhibitproperwaterdetection.Itshouldbechecked

onaregularbasisand,whennecessary,cleaned.Beforecleaning,thecontrol

powershouldbeshutofftopreventthecontrolfromenteringthesnowmeltmode.

Next,useasoftbristlebrushandwarmsoapywatertocleanthesensorsurface.

Donotuseasteelwirebrushasthiswilldamagethesensor.Useapapertowelto

thoroughlydrythesensorsurface.Aftercleaning,re-powerthecontrol.

Slab

Brn

Com

BlkYel Blu Red

Snow Melting

Control 653 or 654

Thesnow/icesensorcablehas5wires:Red,Black,Blue,Yellow,andBrown.The

wiresconnecttotherespectiveRed,Black,Blue,YellowandBrownterminalsonthe

SnowMeltingControl.

Step 3 - Electrical Connections

TheSnow/IceSensor090mustbeoperatedbyaWattsRadiantSnowMelting

Control653or654,oracompatibletekmarSnowMeltingControl.Operationof

thesensorbyothercontrolsystemsmayresultinelectrolysisfailuresnotcovered

bythesensorwarranty.

IOM-WR-Snow_Ice-090_09324 6of8

Whenperformingthesetests:

Thesensorheadshouldbeinstalledintheslab.

Thefivecablewiresatthecontrolshouldbedisconnected.

Useagoodqualityelectricaltestingmeterwithanohmscalerangeof0to

2,000,000Ohms.

Thesensorhastwo0kOhmthermistors.Onereadsslabsurfacetemperature,and

theothercheckssensorheatertemperature.

Ifthesensorhasbeendisconnectedfromthecontrolforanhourormore,thereadings

forboththermistorsshouldbeveryclose.

Usingtheohmmeterandstandardtestingpractices,measuretheresistance

between:

(a)theyellowandblacksensorwires(sensortemperature),and

(b)thebrownandblacksensorwires(slabtemperature).

Thetablebelowliststheexpectedresistancevaluesatvarioussensortemperatures.

Measuretheresistancebetweentheblueandblackwires.Whenthesensorsurface

isdry,thereadingshouldbe2,000,000Ohms.Whenthesensorsurfaceiswetit

shouldbebetween0,000and300,000Ohms.

Measuretheresistancebetweentheredandblackwiresoftheheatingelement.This

readingshouldbecloseto50Ohms.

•

Temperature Resistance

°F °C

-50 -46 490,83

-45 -43 405,70

-40 -40 336,606

-35 -37 280,279

-30 -34 234,96

-25 -32 96,358

-20 -29 65,80

-5 -26 39,402

-0 -23 8,08

-5 -2 00,22

0 -8 85,362

5 -5 72,98

0 -2 62,465

5 -9 53,658

20 -7 46,28

25 -4 39,93

Temperature Resistance

°F °C

30 - 34,558

35 2 29,996

40 4 26,099

45 7 22,763

50 0 9,900

55 3 7,436

60 6 5,3

65 8 3,474

70 2 ,883

75 24 0,50

80 27 9,299

85 29 8,250

90 32 7,334

95 35 6,532

00 38 5,828

05 4 5,20

Step 4 - Test the Sensor

Temperature vs. Resistance Table

Snow / Ice Sensor 090 In slab, w 65 ft cable

Literature ES-WR-Snow_Ice-090,IOM-WR-Snow_Ice-090

Packagedweight 4.4lbs(2000g)

Dimensions -3/4"Hx3-7/6"OD(45mmHx87mmOD)

Sensormaterial

Siliconbrass,65ft.(20m)5conductorstrandedwirewith

polyethylenejacket

Approvals

CSACUSwithWattsRadiantSnowMeltingControls653

and654

Operatingrange -30to70°F(-34to77°C)

-Included

4#4-40,7/6"machined,stainlesssteelscrews

4#6-32,3/8"flathead,slotted,stainlesssteelscrews

Snow / Ice Sensor Socket 091

Literature ES-WR-Snow_Socket-09,IOM-WR-Snow_Ice-090

Packagedweight .5lbs(670g)

Socketmaterial Siliconbrass

Dimensions 3-3/6"Hx3-/2"OD(97mmHx89mmOD)

Approvals

CSACUSwithWattsRadiantSnow/IceSensor090

-Included

Onepolyethyleneprotectivecap,onepolyethylene

mountingplateandeight#6-32x3/8"screws

WARNING:

This product contains chemicals

known to the State of California to cause cancer

and birth defects or other reproductive harm.

For more information: www.watts.com/prop65

Technical Data

A Watts Water Technologies Company

USA:Springeld,MO•Tel.(800)276-249•Fax:(47)864-86•www.wattsradiant.com

Canada:Burlington,ONT.•Tel.(905)332-4090•Fax:(905)332-7068•www.watts.ca

Hydronic System Electronic Controls and Thermostats Limited Warranty

WattsRadiant(theCompany)warrantsitshydronicsystemelectroniccontrolsandthermostats(theProduct)tobe

freefromdefectsinmaterialsandworkmanshipundernormalusageforaperiodofoneyearfromthedocumented

dateofinstallationoftheProduct.Intheeventofdefectswithinthewarrantyperiod,theCompanywillreplace

theProductwithoutcharge.Thisremedyisthesoleandexclusiveremedyforbreachofwarranty.Thiswarranty

istransferabletosubsequentowners.

UnderthisLimitedWarranty,theCompanywillprovidethefollowing:

Inordertomakeaclaim,youmust:

(a)ProvidetheCompanywithsufficientdetailsrelatingtothenatureofthedefect,theinstallation,thehistoryof

operation,andanyrepairsthatmayhavebeenmade.

(b)AttheCompany’sdiscretionandattheowner’sexpense,shiptheProducttotheCompanyortheCompany’s

localrepresentativeordistributor.

(c) ProvideproofthattheProductwasinstalledinaccordancewiththeapplicableProductInstallationManualand

anyspecialwrittendesignorinstallationguidelinesbytheCompanyforthisproject.

(d)ProvideproofthattheProductwasinstalledinaccordancewiththeNationalElectricalCode(NEC)orthe

CanadianElectricalCode(CEC),andallapplicablelocalbuildingandelectricalcodes.

(e) Providearetailsalesreceiptorproofofpurchase.

ThefollowingarenotcoveredbythisLimitedWarranty:

(a)Anyincidentalorconsequentialdamage,includinginconvenience,lossoftimeorlossofincome.

(b)

AnylaborormaterialsrequiredtorepairorreplacetheProductthatarenotauthorizedinwritingbytheCompany.

(c) Anylaborormaterialsrequiredtoremove,repairorreplacematerialsotherthantheProducts.

(d)AnyfreightordeliverycostsrelatedtotheProductoranyrelatedelectricalproducts.

WattsRadiantassumesnoresponsibilityunderthisLimitedWarrantyforanydamagetotheProductcausedby

anytradespeople,visitorsonthejobsite,ordamagecausedasaresultofpost-installationwork.ThisLimited

Warrantyshallbeinvalidatedbyanyabuse,misuse,misapplicationorimproperinstallationoftheProducts.The

staffattheCompanyisavailabletoansweranyquestionsregardingtheproperinstallationorapplicationofthe

Productatthistoll-freephonenumber:800-276-249(USA/International)or888-208-8927(Canada).Ifyouare

everindoubtaboutthecorrectinstallationproceduretofollow,oriftheProductappearstobedamaged,youmust

callusbeforeproceedingwiththeinstallationorproposedrepair.

WATTSRADIANTDISCLAIMSANYWARRANTYNOTPROVIDEDHEREIN,INCLUDINGANYIMPLIEDWARRANTY

OFMERCHANTABILITYORIMPLIEDWARRANTYOFFITNESSFORAPARTICULARPURPOSE.WATTS

RADIANTFURTHERDISCLAIMSANYRESPONSIBILITYFORSPECIAL,INDIRECT,SECONDARY,INCIDENTAL,

ORCONSEQUENTIALDAMAGESARISINGFROMOWNERSHIPORUSEOFTHISPRODUCT,INCLUDING

INCONVENIENCEORLOSSOFUSE.THEREARENOWARRANTIESWHICHEXTENDBEYONDTHEFACEOF

THISDOCUMENT.NOAGENTORREPRESENTATIVEOFWATTSRADIANTHASANYAUTHORITYTOEXTEND

ORMODIFYTHISWARRANTYUNLESSSUCHEXTENSIONORMODIFICATIONISMADEINWRITINGBYA

CORPORATEOFFICER.

Somestates/provincesdonotallowtheexclusionorlimitationofincidentalorconsequentialdamagesandsome

states/provincesdonotallowlimitationsonhowlongimpliedwarrantiesmaylast.Therefore,theabovelimitations

orexclusionsmaynotapplytoyou.Thiswarrantygivesyouspecificlegalrightsandyoumayalsohaveother

rights,whichvaryfromstatetostateorprovincetoprovince.SOFARASISCONSISTENTWITHAPPLICABLE

STATE/PROVINCIALLAW,ANYIMPLIEDWARRANTIESTHATMAYNOTBEDISCLAIMED,INCLUDINGIMPLIED

WARRANTIESOFMERCHANTABILITYORFITNESSFORAPARTICULARPURPOSEARELIMITEDINDURATION

TOONEYEARFROMTHEDATEOFMANUFACTURE.

Effective: May,203.ThiswarrantyappliestoallProductspurchasedafterthisdate.

SunTouch Snow/Ice Sensor 090 and Socket 091 User manual

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