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Watts 082, 300156 Installation guide

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Installation & Operation Manual
of4 ©203WattsRadiant
Universal Sensor 082
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ensurethatthissensorissafelyinstalledaccordingto
allapplicablecodesandstandards.WattsRadiantisnotresponsiblefordamages
resultingfromimproperinstallationand/ormaintenance.
TheUniversalSensor082isa0kΩtemperaturesensordesignedtobestrapped
ontoapipe.ItcanbeusedwithselectWattsRadiantcontrolsensorinputs,butis
mostcommonlyusedtomonitorsupplyandreturnwatertemperatures.Thisproduct
hasabrasssleeveforfastresponse,awideoperatingrange,anindenttoallow
pipestraponinstallation,and8ft(2.4m)of2-conductorwire.
Mounting the Sensor
TheUniversalSensorcanbestrappeddirectlytothepipeusingthe
cabletieprovided.Insulationshouldbeplacedaroundthesensorto
reducetheeffectofaircurrentsonthesensormeasurement.
TheUniversalSensorshouldbeplaceddownstreamofapumpor
afteranelboworsimilarfitting.Thisisespeciallyimportantiflarge
diameterpipesareusedasthethermalstratificationwithinthepipe
canresultinerroneoussensorreadings.Propersensorlocation
requiresthatthefluidisthoroughlymixedwithinthepipebeforeit
reachesthesensor.
T
hesesensorsaredesignedtomountonapipeorinatemperatureimmersionwell.
IOM-WR-Universal_Sensor-082323 2of4
Wiring & Testing the Sensor
Donotrunsensorwiresparalleltotelephoneorpowercables.Ifthesensorwires
arelocatedinanareawithstrongsourcesofelectromagneticinterference,shielded
cableortwistedpairshouldbeusedorthewirescanberuninagroundedmetal
conduit.Ifusingshieldedcable,theshieldwireshouldbeconnectedtotheCom
orComSenterminalonthecontrolandnottoearthground.
Ifthesuppliedwireisnotlongenoughtomakeaconnectiontothecontrol,8AWG
orsimilarwirecanbeconnectedwithappropriatelysizedwiringconnectors.
Followthesensortestinginstructioninthisbrochure.
Connectthetwowiresfromthe082tothesensorandcommonterminalsonthe
control.
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•
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Sensor Testing Instructions
Agoodqualitytestmetercapableofmeasuringupto5,000kΩ(kΩ=000Ω)is
requiredtomeasurethesensorresistance.Inadditiontothis,theactualtemperature
mustbemeasuredwitheitheragoodqualitydigitalthermometer,orifathermometer
isnotavailable,asecondsensorcanbeplacedalongsidetheonetobetestedand
thereadingscompared.
Firstmeasurethetemperatureusingthethermometerandthenmeasuretheresistance
ofthesensoratthecontrol.Thewiresfromthesensormustnotbeconnectedto
thecontrolwhilethetestisperformed.UsingtheTemperaturevs.ResistanceTable,
estimatethetemperaturemeasuredbythesensor.Thesensorandthermometer
readingsshouldbeclose.Ifthetestmeterreadsaveryhighresistance,theremay
beabrokenwire,apoorwiringconnectionoradefectivesensor.Iftheresistance
isverylow,thewiringmaybeshorted,theremaybemoistureinthesensororthe
sensormaybedefective.Totestforadefectivesensor,measuretheresistance
directlyatthesensorlocation.
Temperature vs. Resistance Table
Temperature Resistance
°F °C
-50 -46 490,83
-45 -43 405,70
-40 -40 336,606
-35 -37 280,279
-30 -34 234,96
-25 -32 96,358
Temperature Resistance
°F °C
-20 -29 65,80
-5 -26 39,402
-0 -23 8,08
-5 -2 00,22
0 -8 85,362
5 -5 72,98
Do not apply voltage to a sensor at any time as damage to the sensor may result.
3of4 ©203WattsRadiant
Temperature Resistance
°F °C
0 -2 62,465
5 -9 53,658
20 -7 46,28
25 -4 39,93
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 5,20
0 43 4,665
5 46 4,84
Temperature Resistance
°F °C
20 49 3,760
25 52 3,383
30 54 3,050
35 57 2,754
40 60 2,490
45 63 2,255
50 66 2,045
55 68 ,857
60 7 ,689
65 74 ,538
70 77 ,403
75 79 ,28
80 82 ,72
85 85 ,073
90 88 983
95 9 903
200 93 829
205 96 763
20 99 703
25 02 648
220 04 598
225 07 553
Temperature vs. Resistance Table Continued
Technical Data
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
Universal Sensor 082
Literature ES-WR-Universal_Sensor-082,IOM-WR-Universal_Sensor-082
Packagedweight 0.lbs(50g)
Dimensions 3/8"ODx3/4"(9.5mmODx9mm)
Sensormaterial Brasssleeve,8’(2438mm)20AWG,300VPVCinsulatedzipcord
Approvals CSACUS
Operatingrange
-58to22°F(-50to05°C)
Sensor
NTCthermistor,0kΩ@77°F(25°C±0.2°C)ß=3892
A Watts Water Technologies Company
USA:Springeld,MO•Tel.(800)276-249•Fax:(47)864-86•www.wattsradiant.com
Canada:Burlington,ONT.•Tel.(905)332-4090•Fax:(905)332-7068•www.watts.ca
IOM-WR-Universal_Sensor-082323 ©203WattsRadiant
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:800-276-249(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WARRANTYNOTPROVIDEDHEREIN,INCLUDINGANYIMPLIEDWARRANTY
OFMERCHANTABILITYORIMPLIEDWARRANTYOFFITNESSFORAPARTICULARPURPOSE.WATTS
RADIANTFURTHERDISCLAIMSANYRESPONSIBILITYFORSPECIAL,INDIRECT,SECONDARY,INCIDENTAL,
ORCONSEQUENTIALDAMAGESARISINGFROMOWNERSHIPORUSEOFTHISPRODUCT,INCLUDING
INCONVENIENCEORLOSSOFUSE.THEREARENOWARRANTIESWHICHEXTENDBEYONDTHEFACEOF
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PARTICULARPURPOSEARELIMITEDINDURATION
TOONEYEARFROMTHEDATEOFMANUFACTURE.
Effective: May,203.ThiswarrantyappliestoallProductspurchasedafterthisdate.
/