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TRANSCRIPT
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Snow Melting Control 680680_D
10/15
Snow Melting Replaces: 04/15
Installation & Operation Manual
1of48 ©2015 680_D-10/15
Features• BACnetorModbuscommunication• Automaticsnow/icedetection• Supportsbothin-slabandretrofitaerialsensors• Tandemsnow/icedetection• Energymonitoring• Idling
• Storm• EconoMelt• Warmweathershutdown• Coldweathercutoff• Slabprotection• Exercising
IntroductionTheSnowMeltingControl680isdesignedtooperateelectricorhydronicequipmenttomeltsnoworicefromanysurfaceincludingdriveways,walkways,businessentrances,parkingramps,loadingdocks,hospitalentrances,helipadsandcarwashbays.ItcommunicateswithBuildingAutomationSystemsusingBACnet®orModbus®foralertnotification,remotemonitoringandadjustmentcapability.The680usesatekmarSnow/IceSensor090oraSnowSensor095toautomaticallydetectsnoworiceonthesnowmeltingslab.Uptotwosnow/icesensorscanbeinstalled,therebyincreasingdetectionareaandprovidingbackupredundancyinthecaseofsensorfailure.Upondetectionofsnoworice,the680operateselectricheatingcable,asinglehydroniccondensingornon-condensingboiler,orasteamvalvetoprovideheattothesnowmeltload.The680providesboilerreturnprotectionbyoperatingamixingvalveorvariablespeedinjectionmixing.Monitoringofenergyconsumptionispossiblewhenitisconnectedtoanoptionalflowsensor.
BACnetisaregisteredtrademarkofASHRAE.ASHRAEdoesnotendorse,approveortestproductsforcompliancewithASHRAEstandards.ComplianceoflistedproductstotherequirementsofASHRAEStandard135istheresponsibilityofBACnetInternational(BI).BTLisaregisteredtrademarkofBI.
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Table of Contents
Getting Started
ImportantSafetyInformation.............................................3Installation.........................................................................4
Preparation.................................................................... 4PackagingContents...................................................... 4PhysicalDimensions..................................................... 4InstallationLocation....................................................... 4InstallingtheEnclosure................................................. 5ServicingtheControl..................................................... 5Rough-InWiring............................................................. 6SensorWiring................................................................ 7CommunicationWiring................................................. 10ControlWiring............................................................... 11TestingtheSensorWiring............................................ 14TestingtheControlWiring............................................ 14ManualOverride–MaximumHeat.............................. 15ManualOverride–Purge............................................. 15ManualOverride–Test................................................ 15ManualOverride–Off.................................................. 15
SwitchSettings.................................................................16AccessLevelsandAccessLevelLock........................ 16
UserInterface...................................................................17HomeScreen................................................................ 17SystemOperation......................................................... 17Symbols........................................................................ 18HelpScreen.................................................................. 18StatusMenuNavigation............................................... 18SlabStatusScreen....................................................... 19SystemStatusMenu(1of2)........................................ 20SystemStatusMenu(2of2)........................................ 21SettingsMenuNavigation............................................ 22SetpointsMenu............................................................. 23Setup–SystemSetupMenu(1of2)............................ 24Setup–SystemSetupMenu(2of2)........................... 25Setup–BoilerSetupMenu(1of2).............................. 26Setup–BoilerSetupMenu(2of2).............................. 27Setup–MixingSetupMenu......................................... 27BASMenu(1of2)......................................................... 28BASMenu(2of2)........................................................ 29MonitorMenu(1of3).................................................... 30MonitorMenu(2of3)................................................... 31MonitorMenu(3of3)................................................... 32ToolboxMenu............................................................... 33OverrideMenu.............................................................. 34
SequenceofOperation................................................... 35SnowMeltingOverview................................................ 35MeltOperation.............................................................. 35Melt–AutomaticStartandStop.................................. 35Melt–EconoMelt.......................................................... 36AdditionalMeltingTime................................................ 36Melt–AutomaticStartandTimedStop....................... 36TandemSnow/IceDetection........................................ 37Melt–ManualStartandTimedStop........................... 37IdleOperation............................................................... 38StormOperation........................................................... 38SlabTemperatureControl............................................ 38SlabProtection............................................................. 39WarmWeatherShutDown........................................... 39ColdWeatherCutOff................................................... 39SnowMeltZonesandPriority...................................... 39ApplicationModes........................................................ 40ElectricOperation......................................................... 40PulseWidthModulationZoneOperation..................... 40BoilerOperation............................................................ 41MixingOperation.......................................................... 42BoilerandMixingOperation......................................... 42OutdoorSensor............................................................ 42Exercising..................................................................... 42PostPurge.................................................................... 42
Troubleshooting............................................................... 43ErrorMessages(1of4)................................................ 43ErrorMessages(2of4)................................................ 44ErrorMessages(3of4)................................................ 45ErrorMessages(4of4)................................................ 46FrequentlyAskedQuestions........................................ 47
TechnicalData................................................................. 48LimitedWarrantyandProductReturnProcedure........... 48
CongratulationsonthepurchaseofyournewSnowMeltingControl!Thismanualcoversthecompleteinstallation,programmingandsequenceofoperationforthiscontrol.Youwillalsofindinstructionontesting,commissioning,andtroubleshootingthecontrolandsystemthatitoperates.
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Theinstallermustensurethatthiscontrolanditswiringareisolatedand/orshieldedfromstrongsourcesofelectromagneticnoise.Conversely,thisClassBdigitalapparatuscomplieswithPart15oftheFCCRulesandmeetsallrequirementsoftheCanadianInterference-CausingEquipmentRegulations.However,ifthiscontroldoescauseharmfulinterferencetoradioortelevisionreception,whichisdeterminedbyturningthecontroloffandon,theuserisencouragedtotrytocorrect
theinterferencebyre-orientatingorrelocatingthereceivingantenna,relocatingthereceiverwithrespecttothiscontrol,and/orconnectingthecontroltoadifferentcircuitfromthattowhichthereceiverisconnected.CetappareilnumériquedelaclasseBrespectetouteslesexi-gencesduRèglementsurlematérielbrouilleurduCanada.
Radio Frequency Interference
Important Safety InformationItisyourresponsibilitytoensurethatthiscontrolissafelyinstalledaccordingtoallapplicablecodesandstandards.tekmarisnotresponsiblefordamagesresultingfromimproperinstallationand/ormaintenance.
Thisisasafety-alertsymbol.Thesafetyalertsymbolisshownaloneorusedwithasignalword(DANGER,WARNING,orCAUTION),apictorialand/orasafetymessagetoidentifyhazards.Whenyouseethissymbolaloneorwithasignalwordonyourequipmentorinthismanual,bealerttothepotentialfordeathorseriouspersonalinjury.
Thispictorialalertsyoutoelectricity,electrocution,andshockhazards.
Thissymbolidentifieshazardswhich,ifnotavoided,couldresultindeathorseriousinjury.
Thissymbolidentifieshazardswhich,ifnotavoided,couldresultinminorormoderateinjury.
Thissymbolidentifiespractices,actions,orfailuretoactwhichcouldresultinpropertydamageordamagetotheequipment.
ReadmanualandallproductlabelsBEFOREusingtheequipment.Donotuseunlessyouknowthesafeandproperoperationofthisequipment.Keepthismanualavailableforeasyaccessbyallusers.ReplacementmanualsareavailableattekmarControls.com
• Itistheinstaller’sresponsibilitytoensurethatthiscontrolissafelyinstalledaccordingtoallapplicablecodesandstandards.
• Improperinstallationandoperationofthiscontrolcouldresultindamagetotheequipmentandpossiblyevenpersonalinjuryordeath.
• Thiscontrolisnotintendedforuseasaprimarylimitcontrol.Othercontrolsthatareintendedandcertifiedassafetylimitsmustbeplacedintothecontrolcircuit.
Donotattempttoservicethecontrol.Therearenouserserviceablepartsinsidethecontrol.Attemptingtoservicethecontrolvoidsthewarranty.
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Preparation
Tools Required-----------------------------------------------------------------------------------------• tekmarorjewellerscrewdriver• Phillipsheadscrewdriver
• Needle-nosepliers• Wirestripper
Materials Required-------------------------------------------------------------------------------------• 18AWGLVTsolidwire(low-voltageconnections)• 14AWGsolidwire(line-voltageconnections)
• Four1/8"-1"woodscrews
Installation Location
Installation
12
34
InjectionMixing
Pmp
46 47
N
Snow Melting Control 680BAS, Boiler & Mixing
37 38
ModBoiler
33 34
Stage 1 Stage 2
35 36
+ -
BACnet IP
Signal wiring must be rated at least 300 V
For product literature:www.tekmarControls.comMeets Class B: CanadianICES & FCC Part 15
tektra 1070-01
Designed and assembled in Canada
H702
1B
Input Power: 115 V (ac) ±10%, 60 Hz, 320 VAPrimary, System Pump Relays: 230 V (ac), 10 A, 1/2 hpBoiler Stage Relays:230 V (ac), 5 A Injection Mixing Pump:230 V (ac), 2.4 ABoiler Pump Relay:230 V (ac), 5 A, 1/3 hpFloating Action Mixing Output:230 V (ac), 5 A
BluBrn /Slab
25
Blk /Com
26 27 28
Red
19
Brn /Slab
20
Blk /Com
Yel
21
Red
24
Blu
22
Yel
23
Snow / Ice Sensor 1 Snow / Ice Sensor 2
Do Not Apply Power
41 42 43
Pwr
FloatingAction Mixing
ClsOpnBoiler
39 40
PumpPump
29 30
PumpPrimary System
31 32 44 45
Power InNL
BACnet MSTPModbus MSTP
16 17 18
GndB A
RS-485
+ –20V
3
dc5Vdc
Out0-10V /4-20mA In Out
FlowSensor
PressureSensor
InVdc
6
Gnd
7
mA
4 5
+ Com
8
BoilSup
Out
9
BoilRet
10
Com Com
11
SysSup
12
SysRet
13 14 15
+
1AnalogMixing
2
Temperature Sensors
+ ––
Disconnect All PowerBefore Opening
Use supply wires suitable for at least 105°CEmployer des fils d’alimentation pour au moins 105°C
Do Not Apply Power
Physical Dimensions
Front View
8–1/16"(204 mm)
2–15/16"(74 mm)
Side View
8–1/16"(204 mm)
11–1/8"(282 mm)
7/16" (11 mm)
CL7/16"
(11 mm) Ø 3/16"(5 mm)
1/2" Knock-out (x 16 back) (x 8 top)(x 8 bottom) (x 2 side)
Choosetheplacementofthecontrolearlyintheconstructionprocesstoenableproperwiringduringrough-in.
• Keepthecontroldry.Avoidpotentialleakageontothecontrol.• Maintainrelativehumiditylessthan90%inanon-condensingenvironment.• Avoidexposuretoextremetemperaturesbeyond32-122°F(0-50°C).• Installawayfromequipment,appliances,orothersourcesofelectricalinterference.• Installtoalloweasyaccessforwiring,viewing,andadjustingthedisplayscreen.• Installapproximately5feet(1.5m)offthefinishedfloor.• Locatethecontrolnearpumpsand/orzonevalvesifpossible.• Provideasolidbackingwhichtheenclosurecanbemountedto.Example:plywoodorwallstuds.• Usetheconduitknockoutsprovidedontheupper,lower,backandsidesoftheenclosureforwiring.
Packaging Contents
Thefollowingareincludedintheproductpackaging:• 1SnowMeltingControl680• 3UniversalSensor082• 1OutdoorSensor070• 1screwdriver
• 1ApplicationBrochure680_A• 1InstallationandOperationManual680_D• 1BASIntegrationManual680_B
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Installing the Enclosure
Servicing the Control
InjectionMixing
Pmp
46 47
N
Signal wiring must be rated at least 300 V
Designed and assembled in Canada
44 45
Power InNL
Disconnect All PowerBefore Opening
Step 1Disconnectthewiringterminalplugsbypullingdowninthelowerwiringchamberandbypullingupintheupperwiringchamber.
Step 2Therearetwotabslocatedontherightsideoftheenclosure.Insertascrewdriverintothetopofthetabandgentlyprythetabawayfromthecontrolwhilepullingthecontroltowardyou.Repeatforthesecondtab.
Step 3Pullthecontroltowardyou.
Step 4Disconnectthetwowiringplugsandremovethecontrol.
Custom Panelor Electrical Box
Wall or Panel Door
Intheeventthatthecontrolrequiresservicingorreplacement,thecontrolcanbeeasilyremovedfromtheenclosure.Thisallowsallwiringandconduittoremaininstalled.
Step 5Thenewcontrolisnowreadytobeinstalledinthereverseorder.
• Installthecontrolenclosuretoawallortoanelectricalbox.• Threewiringchamberdividersareincluded.Thedividers
provideabarriertokeeplowvoltagewiringseparatedfromlinevoltagewiring.
• Ifthedividersarenotused,thenlowvoltagecircuitsmustusewireratedatleast300V.
Topreventtheriskofpersonalinjuryand/ordeath,makesurepowerisnotappliedtothecontroluntilitisfullyinstalledandreadyforfinaltesting.Allworkmustbedonewithpowertothecircuitbeingworkedonturnedoff.Pleasebeawarelocalcodesmayrequirethiscontroltobeinstalledorconnectedbyanelectrician.
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Rough-In Wiring
Low-Voltage Wiring-------------------------------------------------------------------------------------Pull two conductor 18 AWG LVT cable, up to 500 feet (150 m) long, for the following equipment:• Outdoortemperaturesensor• Systemsupplysensor• Systemreturnsensor• Boilersupplysensor• Boilerreturnsensor• Single-stageon/offboiler• Modulatingboiler0-10V(dc)or4-20mA• Mixingvalveormixinginjectionpumpusinga0-10V(dc)
or4-20mAsignal• Flowsensor
Pull three conductor 18 AWG LVT cable, up to 500 feet (150 m) long, for the following equipment:• Mixingvalvesusingafloatingactionsignal• PressuresensorPull four conductor 18 AWG LVT cable, up to 500 feet (150 m) long, for the following equipment:• SnowSensor095• Two-stageon/offboilerPull the Snow/Ice Sensor 090 or 094 cable to the control.
Line-Voltage Wiring------------------------------------------------------------------------------------Pull two conductor 14 AWG cable, up to 500 feet (150 m) long, for the following equipment:• Systempump• Primarypump• Boilerpump
Topreventtheriskofpersonalinjuryand/ordeath,makesurepowerisnotappliedtothecontroluntilitisfullyinstalledandreadyforfinaltesting.Allworkmustbedonewithpowertothecircuitbeingworkedonturnedoff.Pleasebeawarelocalcodesmayrequirethiscontroltobeinstalledorconnectedbyanelectrician.
• Installthesuppliedwiringcompartmentbarriersbyslidingthemintothegroovesprovidedtoisolatethelowandline-voltagewiring.
• Stripallwiringtoalengthof3/8in.or10mmforallterminals.• Acircuitbreakerorpowerdisconnectthatprovidespowertothecontrolshouldbelocatednearbyandclearlylabeled.• Refertothecurrentandvoltageratingsatthebackofthismanualbeforeconnectingdevicestothiscontrol.
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Sensor Wiring
20V
3
dcOut In
+
4
mA
FlowSensor
Ananalogflowsensorcanbeconnectedtothecontroltoprovideflowandenergymonitoring.Thecontrolsupportsa4-20mAstylesensor.Examplesofcompatibleaftermarketflowsensorsinclude:• KeleSDIseries• Kele200serieswith310transmitter• Kele2200series• Kele3100series• OmegaFV100series• OmegaFV-500Cseries• OmegaFTD-40series• OmegaFTD-47transducerUsingthesystemsupplysensorandtheboilerreturnsensor,energyoutputcanbecalculatedanddisplayedfromtheflowmeasurement.Thecontrolprovidesa20V(dc)poweredoutputtotheflowsensor.• Connectthepowerinputontheflowsensortothe20VdcOutterminal3.• ConnectthesignalreturnwiretomA(+)Interminal4.
5VdcOut
PressureSensor
In
+
6
Vdc-
7
Gnd
5
Ananalogpressuresensorcanbeconnectedtothecontroltoprovidewaterpressuremonitoring.Thecontrolsupportsa0.5-4.5ratiometricV(dc)stylepressuresensor.Examplesofcompatiblepressuresensorsinclude:• HoneywellPX2(AA)series• MeasurementSpecialties7100seriesToconnectthepressuresensortothecontrol:• Connectonewirefromthepowersupply(+5Vdc)onthepressuresensortothe5VdcOutter-
minal5.• ConnectonewirefromthepressuresensorsignaloutputtotheVdc(+)Interminal6.• ConnectonewirefromtheGND(0V)onthepressuresensortotheGnd(-)terminal7.
Wiring the Flow Sensor---------------------------------------------------------------------------------
Wiring the Pressure Sensor----------------------------------------------------------------------------
Wiring the Analog Mixing Output-----------------------------------------------------------------------Thecontrolcanoperateamixingvalvebyprovidinga0-10V(dc)ora4-20mAsignaltothevalveactuatingmotor.• Ifapplicable,connectthemixingactuatorpositive(+)toterminal1.• Ifapplicable,connectthemixingactuatornegative(-)toterminal2.
+
1
0-10V /4-20mA
−
2AnalogMixing
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• Thetemperaturesensor(thermistor)isbuiltintothesensorenclosure.
• Removethescrewandpullthefrontcoveroffthesensorenclosure.
• Theoutdoorsensorcaneitherbemounteddirectlyontoawallora2"x4"electricalbox.Whentheoutdoorsensoriswallmounted,thewiringshouldenterthroughthebackorbottomoftheenclosure.Donotmounttheoutdoorsensorwiththeconduitknockoutfacingupwardsbecauseraincouldentertheenclosureanddamagethesensor.
• Inordertopreventheattransmittedthroughthewallfrom
affectingthesensorreading,itmaybenecessarytoinstallaninsulatingbarrierbehindtheenclosure.
• Theoutdoorsensorshouldbemountedonawallwhichbestrepresentstheheatloadonthebuilding(anorth-facingwallformostbuildingsandasouth-facingwallforbuildingswithlargesouth-facingglassareas).Theoutdoorsensorshouldnotbeexposedtoheatsourcessuchasventilationorwindowopenings.
• Theoutdoorsensorshouldbeinstalledatanelevationabovethegroundthatwillpreventaccidentaldamageortampering.
Mounting the Outdoor Sensor--------------------------------------------------------------------------
Sensor with bottom-entry wiring
Sensor with rear-entry wiring
Sensor mountedonto 2" x 4"electrical box
• Connect18AWGorsimilarwiretothetwoterminalsprovidedintheenclosureandrunthewiresfromtheoutdoorsensortothecontrol.Donotrunthewiresparalleltotelephoneorpowercables.Ifthesensorwiresarelocatedinanareawithstrongsourcesofelectromagneticinterference(EMI),shieldedcableortwistedpairshouldbeusedorthewirescanberuninagroundedmetalconduit.Ifusingshieldedcable,theshieldwireshouldbeconnectedtotheComorComSenterminalonthecontrolandnottoearthground.
• Followthesensortestinginstructionsinthismanualandconnectthewirestothecontrol.
• Replacethefrontcoverofthesensorenclosure.
Wiring the Outdoor Sensor-----------------------------------------------------------------------------
Wires from outdoorsensor to control’soutdoor sensor andsensor commonterminals
Sensor is built intothe enclosure
Com
14
Out
15
TheUniversalSensor082isdesignedtomountonapipeorinatemperatureimmersionwell.Thesensorshouldbeplaceddownstreamofapumporafteranelboworsimilarfitting.Thisisespeciallyimportantiflarge-diameterpipesareusedasthethermalstratificationwithinthepipecanresultinerroneoussensorreadings.Propersensorlocationrequiresthatthefluidisthoroughlymixedwithinthepipebeforeitreachesthesensor.
Strapped to PipeTheUniversalSensorcanbestrappeddirectlytothepipeusingthecabletieprovided.Insulationshouldbeplacedaroundthesensortoreducetheeffectofaircurrentsonthesensormeasurement.
Mounting the Boiler and System Sensors--------------------------------------------------------------
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NoPower
BoilSup
Com
8 9 10
BoilRet
Theboilerreturnsensorisonlyusedwhenamixingvalveorvariablespeedinjectionmixingisinstalled.Theboilerreturnsensorprotectstheboilerfromcoldreturnwatertemperatures.• Ifapplicable,connecttheboilerreturnsensortoterminals8and10.
Wiring the Boiler Return Sensor------------------------------------------------------------------------
Mounting the System Supply Sensor-------------------------------------------------------------------Thesystemsupplysensorisusedinmosthydronicapplicationsexceptwhenonlyoperatingaboiler.• Ifapplicable,connectthesystemsupplysensortoterminals11and12.
NoPower
SysSup
Com
11 12 13
SysRet
Thesystemreturnsensorisusedinconjunctionwiththeflowsensortodetermineenergyconsumption.Ifapplicable,connectthesystemreturnsensortoterminals11and13.
Wiring the System Return Sensor----------------------------------------------------------------------
Mounting the Boiler Supply Sensor--------------------------------------------------------------------
Theboilersupplysensorisusedwhenoperatingaboiler.• Ifapplicable,connecttheboilersupplysensortoterminals8and9.
NoPower
BoilSup
Com
8 9 10
BoilRet
NoPower
SysSup
Com
11 12 13
SysRet
BottomofEnclosure080
UniversalSensor
CableTie
SensorWell
RetainingClip
UniversalSensor
Immersion WellIfaUniversalSensorismountedonto1"(25mm)diameterLtypecopperpipe,thereisapproximatelyan8seconddelaybetweenasuddenchangeinwatertemperatureandthetimethesensormeasuresthetemperaturechange.Thisdelayincreasesconsiderablywhenmildsteel(blackiron)pipeisused.Ingeneral,itisrecommendedthatatemperaturewellbeusedforsteelpipeofdiametergreaterthan1-1/4"(32mm).Temperaturewellsarealsorecommendedwhenlargediameterpipesareusedandfluidstratificationispresent.
Conduit ConnectionTheUniversalSensorandUniversalSensorEnclosure080(soldseparately)arespecificallydesignedtomountontoa3/8"(10mm)IDtemperaturewellthatissuppliedwithanendgroove.Toinstallthewell,plumbateeintothepipeandfixthewellintothetee.The080enclosurehasa7/8"(22mm)backknockoutthatmustberemovedandfittedoverthetemperaturewell.Theuniversalsensoristheninsertedintothewellandtheretainingclipsuppliedwiththeenclosureissnappedontothewellendgroove.Ifthewellhasathreadedend,theinstallermustsupplyastandardthreadedconduitretainingring.Thetwowiresfromthesensorareconnectedtotheterminalblockprovidedintheenclosure.Theothersideoftheterminalblockisusedtoconnectwiresfromthecontrol.
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Communication Wiring
ABuildingAutomationSystem(BAS)canbeconnectedtothecontrolforremotemonitoringandadjustmentcapability.BACnetIPcommunicationsuseanethernetCAT-5EorCAT-6cable.ThemaximumrecommendedcablelengthforCAT-5Eis150feet(45m)and300feet(90m)forCAT-6.• ConnecttheEthernetRJ45plugontheBACnetIPnetworktothe
ethernetRJ45jackonthe680.
ABuildingAutomationSystem(BAS)canbeconnectedtothecontrolforremotemonitoringandadjustmentcapability.BACnetMS/TPandModbuscommunicationsuseanRS-485connection.Use18AWGtwistedshieldedpaircable.Themaximumcablelengthisdependentonthebaudrateandwhetherterminatingresistorsareinstalled.RefertotheBAS Integration Manual 680_Bfordetailsonthemaximumrecommendedcablelength.• ConnecttheB(+)terminalontheBASnetworktotheRS-485B(+)terminal16.• ConnecttheA(-)terminalontheBASnetworktotheRS-485A(-)terminal17.• Connecttheground(G)terminalontheBASnetworktotheGndterminal18.
RJ45
BACnet NetworkSnow Melting
Control 680
B A G
Master
68016 17 18
Gnd+ –
RS 485B A
(+) (-)
BACnet MS/TP and Modbus Communication-----------------------------------------------------------
BACnet IP Communication-----------------------------------------------------------------------------
Snow/Ice Sensor---------------------------------------------------------------------------------------
UptotwoSnow/IceSensor090or094canbeconnectedtothecontrol.The090hasa65'(20m)cableandthe094hasa208'(63m)cable.Thecablemaybeextendedtoatotallengthof500'(150m)using18AWGcable.Anyjunctionboxesmustkeptdry.
IftheSnow/IceSensor1inputisused:• Connectthebrownwiretoterminal19.• Connecttheblackwiretoterminal20.• Connectthebluewiretoterminal21.• Connecttheyellowwiretoterminal22.• Connecttheredwiretoterminal23.
IftheSnow/IceSensor2inputisused:• Connectthebrownwiretoterminal24.• Connecttheblackwiretoterminal25.• Connectthebluewiretoterminal26.• Connecttheyellowwiretoterminal27.• Connecttheredwiretoterminal28.
Brn/Slab
19
BluBlk/Com
20 21
Yel
22
Red
23
Snow/Ice Sensor 1
Brn/Slab
24
BluBlk/Com
25 26
Yel
27
Red
28
Snow/Ice Sensor 2
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Control Wiring
Aprimarypumprequiringupto230V(ac),10A,1/2hpcanbeswitchedthroughterminals29and30.Forsimplicityinwiringandtroubleshooting,aseparatebreakerforeachpumpisrecommended.• Connectthepowersourcelinewire(L)toterminal29.• Connectawirefromterminal30tothepumpL.• ConnectawirefromthepumpNbacktothepowersourceneutral.• Connectthegroundwire(G)tooneofthegroundscrewsprovidedinthe
wiringchamber.
Wiring the Primary Pump-------------------------------------------------------------------------------
Asystempumprequiringupto230V(ac),10A,1/2hpcanbeswitchedthroughterminals31and32.Forsimplicityinwiringandtroubleshooting,aseparatebreakerforeachpumpisrecommended.• Connectthepowersourcelinewire(L)toterminal31.• Connectawirefromterminal32tothepumpL.• ConnectawirefromthepumpNbacktothepowersourceneutral.• Connectthegroundwire(G)tooneofthegroundscrewsprovidedinthe
wiringchamber.
Wiring the System Pump-------------------------------------------------------------------------------
NG
L
LNG
Ground
Pump
31 32
System
NG
L
LNG
Ground
Pump
29 30
Primary
Snow Sensor-------------------------------------------------------------------------------------------
Slab Sensor--------------------------------------------------------------------------------------------
Brn/Slab
19
Blk/Com
20Snow/IceSensor 1
UptotwoSnowSensor095scanbeconnectedtothecontrol.
IftheSnowSensor1inputisused:• Connecttheblackwiretoterminal20.• Connectthebluewiretoterminal21.• Connecttheyellowwiretoterminal22.• Connecttheredwiretoterminal23.
IftheSnowSensor2inputisused:• Connecttheblackwiretoterminal20.• Connectthebluewiretoterminal25.• Connecttheyellowwiretoterminal27.• Connecttheredwiretoterminal28.
SnowSensor
095
Brn/Slab
19
BluBlk/Com
20 21
Yel
22
Red
23
Snow/Ice Sensor 1
SnowSensor
095
Brn/Slab
24
BluBlk/Com
25 26
Yel
27
Red
28
Snow/Ice Sensor 2
Brn/Slab
24
Blk/Com
25Snow/IceSensor 2
ASlabSensor072or073canbeinstalledeitheraloneortogetherwithaSnowSensor095.
IftheSlabSensor1inputisused:Connecttheslabsensortoterminals19and20.
IftheSlabSensor2inputisused:Connecttheslabsensortoterminals24and25.
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Mod EnableT T+ -
33 34
ModBoiler 1
35 36
Stage 1 Stage 2
37 38
+ -
Thecontrolprovideseithera4-20mAora0-10V(dc)outputtotheboiler.Polaritymustbeobserved.• ConnecttheMod+terminalfromtheboilertoterminal33.• ConnecttheMod-terminalfromtheboilertoterminal34.• Somemodulatingboilersrequireanenabletostartfiringtheboiler.Connecttheboilerenableto
thestage1terminals35and36.
The4to20mAoutputcanbeconvertedtoa0-135ΩoutputforaModutrolIV™gasvalveactuatingmotorusinga0-135ΩtekmarConverter005(soldseparately).
The4to20mAoutputcanbeconvertedtoa0-135ΩoutputforaV9055™gasvalveactuatingmotorusinga0-135ΩtekmarConverter005(soldseparately).
ModutrolIV
tekmar
BRW
+-
tekmar
V9055
+-
BRW
ModutrolIV™0-135Ω Actuating
Motor
BRW
Mod+
-
SnowMeltingControl
680
ModutrolIV™andV9055™aretrademarksofHoneywell,Inc.
Wiring to a Modulating Boiler---------------------------------------------------------------------------
ModutrolIV
tekmar
BRW
+-
tekmar
V9055
+-
BRW
BRW
V9055™0-135ΩActuatingMotor
Mod+
-
SnowMeltingControl
680
Wiring to a Single-Stage Boiler-------------------------------------------------------------------------
Asingle-stageboilerisenabledthroughtheT-Tcontacts.• ConnectStage1terminals35and36totheboilerT-Tcontacts.
33 34
ModBoiler 1
35 36
Stage 1 Stage 2
37 38
+ -
Stage1T T
Wiring to a Two-Stage Boiler---------------------------------------------------------------------------
Atwo-stageboilerisenabledthroughtheT-Tcontacts.• ConnectStage1terminals35and36totheboiler'sstage1contacts.• ConnectStage2terminals37and38totheboiler'sstage2contacts.
Stage2T T
Stage1T T
33 34
ModBoiler 1
35 36
Stage 1 Stage 2
37 38
+ -
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Aboilerpumprequiringupto230V(ac),5A,1/3hpcanbeswitchedthroughterminals39and40.Forsimplicityinwiringandtroubleshooting,aseparatebreakerforeachpumpisrecommended.• Connectthepowersourcelinewire(L)toterminal39.• Connectawirefromterminal40tothepumpL.• ConnectawirefromthepumpNbacktothepowersourceneutral.• Connectthegroundwire(G)tooneofthegroundscrewsprovidedinthe
wiringchamber.
Wiring the Boiler Pump---------------------------------------------------------------------------------
NG
L
LNG
Ground
Pump
39 40
Boiler
Thecontrolprovidesafloatingactionsignaltooperateafloatingactionactuator.Thefloatingactionmixingoutputusesdryrelaycontactsthatcanswitcheither24,120,or230V(ac).Whenusing24V(ac),aTransformer009isrequiredtopowertheactuator.Theactuatorterminalsaretypicallylabelledforclockwiseandcounterclockwiserotation.Thecontrol'sopenandcloseterminalsarewiredtotheactuatordependingonthedirectionthevalverotatestoopenandcloserespectively.• ConnectthepowersourcetothePwrterminal43onthecontrol.• ConnecttheOpnterminal41totheactuatorterminalthatrotatesthevalveopen.• ConnecttheClsterminal42totheactuatorterminalthatrotatesthevalveclose.• Ifusinga24V(ac)transformer,connecttheactuatorcommontothetransformerC.• Ifusinga120Vor230V(ac)powersupply,connecttheactuatorcommontothe
powersupplyneutral(N).• Ifusing120Vor230V(ac),connectthegroundwire(G)tooneofthegroundscrews
providedinthewiringchamber.
Wiring the Floating Action Mixing Output---------------------------------------------------------------
Providea15Acircuitfortheinputpower.• Connectthe115V(ac)linewire(L)toterminal44.• Connecttheneutralwire(N)toterminal45.• Connectthegroundwire(G)tooneofthegroundscrewsprovidedinthe
wiringchamber.
Ground
NGL
Power InL N
44 45
Wiring the Input Power---------------------------------------------------------------------------------
Avariablespeedinjectionmixingpumprequiringupto115V(ac),2.4Aisoperatedthroughterminals46and47.Forsimplicityinwiringandtrouble-shooting,aseparatebreakerforeachpumpisrecommended.• Line-voltageisinternallysuppliedthroughthecontrol.• Connectawirefromterminal47tothepumpL.• Connectawirefromterminal46tothepumpN.• Connectthegroundwire(G)tooneofthegroundscrewsprovidedinthe
wiringchamber.
Wiring the Injection Mixing Pump----------------------------------------------------------------------
MixingInjection
PmpN
46 47
LNG
Ground
Action Mixing
41 42 43Floating
Opn Cls Pwr
Com
Close
Open C N
LR
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©2015 680_D-10/15 14of48
Agoodqualitytestmetercapableofmeasuringupto5,000kΩ(1kΩ=1000Ω)isrequiredtomeasurethesensorresistance.Inaddition,theactualtemperaturemustbemeasuredwitheitherahigh-qualitydigitalthermometer,orifathermometerisnotavailable,asecondsensorcanbeplacedalongsidetheonetobetestedandthereadingscompared.First,measurethetemperatureusingthethermometerandthenmeasuretheresistanceofthesensoratthecontrol.Thewiresfromthesensormustnotbeconnectedtothecontrolwhilethetestisperformed.Usingthechartbelow,estimate
thetemperaturemeasuredbythesensor.Thesensorandthermometerreadingsshouldbeclose.Ifthetestmeterreadsaveryhighresistance,theremaybeabrokenwire,apoorwiringconnectionoradefectivesensor.Iftheresistanceisverylow,thewiringmaybeshorted,theremaybemoistureinthesensororthesensormaybedefective.Totestforadefectivesensor,measuretheresistancedirectlyatthesensorlocation.Do not apply voltage to a sensor at any time as damage to the sensor may result.
Testing the Sensor Wiring
Temperature Resistance Temperature Resistance Temperature Resistance Temperature Resistance°F °C °F °C °F °C °F °C-50 -46 490,813 20 -7 46,218 90 32 7,334 160 71 1,689-45 -43 405,710 25 -4 39,913 95 35 6,532 165 74 1,538-40 -40 336,606 30 -1 34,558 100 38 5,828 170 77 1,403-35 -37 280,279 35 2 29,996 105 41 5,210 175 79 1,281-30 -34 234,196 40 4 26,099 110 43 4,665 180 82 1,172-25 -32 196,358 45 7 22,763 115 46 4,184 185 85 1,073-20 -29 165,180 50 10 19,900 120 49 3,760 190 88 983-15 -26 139,403 55 13 17,436 125 52 3,383 195 91 903-10 -23 118,018 60 16 15,311 130 54 3,050 200 93 829-5 -21 100,221 65 18 13,474 135 57 2,754 205 96 7630 -18 85,362 70 21 11,883 140 60 2,490 210 99 7035 -15 72,918 75 24 10,501 145 63 2,255 215 102 64810 -12 62,465 80 27 9,299 150 66 2,045 220 104 59815 -9 53,658 85 29 8,250 155 68 1,857 225 107 553
Testing the Control WiringRemovethefrontcoverfromthecontrol.Testing the Power-------------------------------• Useanelectricalmetersettomeasure(ac)voltage.• MeasurebetweentheLandNterminals.• Thereadingshouldbe115V(ac)+/–10%.Hand Manual Override---------------------------ThecontrolincludesaHandManualOverridemenutocheckifthecontrol’srelaysareoperatingandthatthecontroliswiredcorrectlytothesnowmeltingequipment.Step1: PressSettingsbutton.Step2: PressOverridebutton.Step3: PressManualOverride.Step4: SelectManualOverridetoHand.Step5: PressBackbutton.Step6: Thefollowingoutputscanbeoperated:• SystemPumprelay• PrimaryPumprelay• BoilerPumprelay• BoilerStage1relay• BoilerStage2relay• BoilerModulation0-10V(dc)or4-20mAsignal• MixSystemOutput0-10V(dc)or4-20mAsignal• MixSystemOutputfloatingactionrelays• MixSystemOutputvariable-speedinjectionpump
For each relay output• Useanelectricalmetersettomeasure(ac)voltage.• Measurebetweentherelaywiringterminals.• Whentherelayisoff,thevoltageshouldbe115V(ac).• Whentherelayison,thevoltageshouldbe0V(ac).For the Boiler Modulation• UseanelectricalmetersettomeasureV(dc)ormA.• SettheBoilerModulationto100%.• Thevoltagebetweenthe+and–wiringterminalsshouldbe
10V(dc)or20mA.• SettheBoilerModulationto0%.• Thevoltagebetweenthe+and–wiringterminalsshouldbe
0V(dc)or4mA.For the Mix System Output – Floating Action• Useanelectricalmetersettomeasure(ac)voltage.• SettheMixSystemOutputto100%.Thefloatingactionopen
wiringterminalwillbeclosedforthelengthofthemotorspeedsetting(defaultis105seconds).
• Whenopening,thevoltagebetweentheopenandcommonwiringterminalsshouldbe24V(ac)or115V(ac).
• Whenopening,thevoltagebetweenthecloseandcommonwiringterminalsshouldbe0V(ac).
• SettheMixSystemOutputto0%.Thefloatingactionclosedwiringterminalwillbeclosedforthelengthofthemotorspeedsetting(defaultis105seconds).
• Whenclosing,thevoltagebetweentheopenandcommonwiringterminalsshouldbe0V(ac).
• Whenclosing,thevoltagebetweenthecloseandcommonwiringterminalsshouldbe24V(ac)or115V(ac).
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Manual Override – Maximum HeatInhydronicapplicationmodes,thecontrolincludesaMaximumHeatoperationwherethecontroloperatesthesnowmeltingsystemtomaintainthemaximumallowedheatingsetpoints.Thisallowstestingofthesnowmeltingsystemduringwarmweather.
Step1: PressSettingsbutton.Step2: PressOverridebutton.Step3: PressManualOverride.Step4: SelectManualOverridetoMaxHeat.Step5: PressBackbutton.ThecontrolstartstheMaxHeat
operation.Step6: ExittheManualOverridebyselectingAuto.
Whenoperatingahydronicsnowmeltingsystem,itisnecessarytopurgeandbleedallairoutofthesystem.ThecontrolincludesaPurgeoperationwherethesystem,primaryandboilerpumpsareallturnedontoassistinpurgingairfromthesystem.
Step1: PressSettingsbutton.Step2: PressOverridebutton.Step3: PressManualOverride.Step4: SelectManualOverridetoPurge.Step5: PressBackbutton.ThecontrolstartsthePurge
operation.Step6: ExittheManualOverridebyselectingAuto.
Manual Override – Purge
ThesnowmeltingsystemcanbemanuallyturnedoffandthecontrolremainsoffuntilmanuallychangedbacktoAuto.Thisallowstheinstallerorendusertopermanentlydisablethesnowmeltingsystemwithoutremovingpowerfromthecontrol.
Step1: PressSettingsbutton.Step2: PressOverridebutton.Step3: PressManualOverride.Step4: SelectManualOverridetoOff.Step5: PressBackbutton.Thecontrolisnowintheoffmanual
override.Step6: ExittheManualOverridebyselectingAuto.
Manual Override – Off
Whenoperatinganelectricsnowmeltingsystem,thecontrolincludesaTestoperationwheretheelectricalheatingcablescanbeenergizedfor10minutes,afterwhichthecontrolresumesnormaloperation.Thisallowstestingoftheelectricsnowmeltingsystemduringwarmweather.
Step1: PressSettingsbutton.Step2: PressOverridebutton.Step3: PressManualOverride.Step4: SelectManualOverridetoTest.Step5: PressBackbutton.Thecontrolstartstheelectric
testoperationforupto10minutesbeforeexitingautomatically.
Step6: ExittheManualOverridebyselectingAuto.
Manual Override – Test
For the Mix System Output – Analog Mixing• UseanelectricalmetersettomeasureV(dc)ormA.• SettheMixSystemOutputto100%.• Thevoltagebetweenthe+and–wiringterminalsshouldbe
10V(dc)or20mA.• SettheMixSystemOutputto0%.• Thevoltagebetweenthe+and–wiringterminalsshouldbe
0V(dc)or4mA.For the Mix System Output – Variable Speed Injection Mixing• UseanelectricalmetersettomeasureV(ac).• SettheMixSystemOutputto100%.• ThevoltagebetweenthePmpandNwiringterminalsshould
be115V(ac).• SettheMixSystemOutputto0%.• ThevoltagebetweenthePmpandNwiringterminalsshould
be0V(ac).
Exiting the Hand Manual Override---------------• ExittheManualOverridebyselectingAuto.• Installthefrontcover.
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©2015 680_D-10/15 16of48
12
34
InjectionMixing
Pmp
46 47
N
Snow Melting Control 680BAS, Boiler & Mixing
37 38
ModBoiler
33 34
Stage 1 Stage 2
35 36
+ -
BACnet IP
Signal wiring must be rated at least 300 V
For product literature:www.tekmarControls.comMeets Class B: CanadianICES & FCC Part 15
tektra 1070-01
Designed and assembled in Canada
H702
1B
Input Power: 115 V (ac) ±10%, 60 Hz, 320 VAPrimary, System Pump Relays: 230 V (ac), 10 A, 1/2 hpBoiler Stage Relays:230 V (ac), 5 A Injection Mixing Pump:230 V (ac), 2.4 ABoiler Pump Relay:230 V (ac), 5 A, 1/3 hpFloating Action Mixing Output:230 V (ac), 5 A
BluBrn /Slab
25
Blk /Com
26 27 28
Red
19
Brn /Slab
20
Blk /Com
Yel
21
Red
24
Blu
22
Yel
23
Snow / Ice Sensor 1 Snow / Ice Sensor 2
Do Not Apply Power
41 42 43
Pwr
FloatingAction Mixing
ClsOpnBoiler
39 40
PumpPump
29 30
PumpPrimary System
31 32 44 45
Power InNL
BACnet MSTPModbus MSTP
16 17 18
GndB A
RS-485
+ –20V
3
dc5Vdc
Out0-10V /4-20mA In Out
FlowSensor
PressureSensor
InVdc
6
Gnd
7
mA
4 5
+ Com
8
BoilSup
Out
9
BoilRet
10
Com Com
11
SysSup
12
SysRet
13 14 15
+
1AnalogMixing
2
Temperature Sensors
+ ––
Disconnect All PowerBefore Opening
Use supply wires suitable for at least 105°CEmployer des fils d’alimentation pour au moins 105°C
Do Not Apply Power
Switch Settings
Switch Position Action
1
ONLOCK ACCESS LEVELThecontrolislockedandtheaccesslevelcannotbechanged.Settolockwheninstallationhasbeencompleted.
OFFUNLOCK ACCESS LEVELThecontrolisunlockedandtheaccesslevelmaybechanged.GototheToolboxmenutochangetheaccesslevel.Settounlockduringtheinstallationprocess.
2ON Notused
OFF Notused
3ON Notused
OFF Notused
4ON Notused
OFF Notused
Access Levels and Access Level Lock
Thecontrolisshippedpre-programmedwithcommonsettings.Thecontrolhasan“Installer”accesslevelthatallowsfullaccesstoallsettingsanda“User”accesslevelthatrestrictsthenumberofsettingsavailable.Thecontroldefaultstothe“User”accesslevelafter12hoursofoperation.
Tochangetothe“Installer”accesslevel:• Step1:PresstheSettingsbutton.• Step2:PresstheToolboxbutton.• Step3:PressAccessLevel.• Step4:PresstheInstallerradiobutton.
12
34
InjectionMixing
Pmp
46 47
N
Snow Melting Control 680BAS, Boiler & Mixing
37 38
ModBoiler
33 34
Stage 1 Stage 2
35 36
+ -
BACnet IP
Signal wiring must be rated at least 300 V
For product literature:www.tekmarControls.comMeets Class B: CanadianICES & FCC Part 15
tektra 1070-01
Designed and assembled in Canada
H702
1B
Input Power: 115 V (ac) ±10%, 60 Hz, 320 VAPrimary, System Pump Relays: 230 V (ac), 10 A, 1/2 hpBoiler Stage Relays:230 V (ac), 5 A Injection Mixing Pump:230 V (ac), 2.4 ABoiler Pump Relay:230 V (ac), 5 A, 1/3 hpFloating Action Mixing Output:230 V (ac), 5 A
BluBrn /Slab
25
Blk /Com
26 27 28
Red
19
Brn /Slab
20
Blk /Com
Yel
21
Red
24
Blu
22
Yel
23
Snow / Ice Sensor 1 Snow / Ice Sensor 2
Do Not Apply Power
41 42 43
Pwr
FloatingAction Mixing
ClsOpnBoiler
39 40
PumpPump
29 30
PumpPrimary System
31 32 44 45
Power InNL
BACnet MSTPModbus MSTP
16 17 18
GndB A
RS-485
+ –20V
3
dc5Vdc
Out0-10V /4-20mA In Out
FlowSensor
PressureSensor
InVdc
6
Gnd
7
mA
4 5
+ Com
8
BoilSup
Out
9
BoilRet
10
Com Com
11
SysSup
12
SysRet
13 14 15
+
1AnalogMixing
2
Temperature Sensors
+ ––
Disconnect All PowerBefore Opening
Use supply wires suitable for at least 105°CEmployer des fils d’alimentation pour au moins 105°C
Do Not Apply Power
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Home Screen
User Interface
System Operation
Touchscreenbuttons
Remainingmeltingruntime
Systemoperationinformation
Slabandoutdoorconditionsinformation
SYSTEM IS MELTING
• WarmingUp Theslabhasnotyetreachedtheslabtargettemperature.
SYSTEM IS OFF• WarmWeatherShutDown TheslabandoutdoortemperaturehaveexceededtheWWSDsetting.• ColdWeatherCutOff TheoutdoortemperaturehasfallenbelowtheCWCOsetting.
• MeltPending SystemwillresumemeltingonceoutdoortemperatureincreasesabovetheCWCOsetting.
SYSTEM IS IDLING
STORM PREDICTED
SYSTEM IN OVERRIDE• Hand Thecontrolisinhandmanualoverride.• MaxHeat ThecontrolisoperatingatMaxHeatforhydronicsystems.• Purge Thecontrolispurgingairfromthehydronicsystem.• Test Theelectricheatingcableisinmanualoverride.• Off Thesystemispermanentlyoff.
SYSTEM IN EXERCISING• OpeningMixing Mixingvalveisopening.• ClosingMixing Mixingvalveisclosing.• SystemPump Systempumpisexercising.• PrimaryPump Primarypumpisexercising.• BoilerPump Boilerpumpisexercising.• InjectionPump Injectionpumpisexercising.
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©2015 680_D-10/15 18of48
Symbols
!WARNING SYMBOLThecontrolhasaerrormessage.Pressthewarningsymboltodeterminetheerrorcodeandinformationonhowtotakecorrectiveaction.RefertotheTroubleshootingsectionforalistoferrorcodes.
Help Screen
ThedisplayincludesaHelpscreenforeachsetting.TheHelpscreenprovidesadescriptionofthesettingthatisidenticaltothedescriptionfoundintheInstallationandOperationManual.
Status Menu Navigation
Step1:PresstheStatusbuttonontheHomeScreen.Step2:PresseithertheSystemorSlabbutton.Step3:Pressupordownbuttonstoscrollthroughthelist.
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Slab Status ScreenDescription Range Access
OUTDOORCurrentoutdoorairtemperatureasmeasuredbytheoutdoorsensororprovidedbytheBASsystem.“–––”isdisplayedwhennooutdoorsensorisavailable.Conditions:Alwaysavailable.
–––,-67to149°F
(-55.0to65.0°C)
UserInstaller
SLAB TARGETTheslabtargetcalculatedbythecontrolbasedonoutdoortemperatureandthemelting,idling,orstormsetpoints.“---”isdisplayedwhennoheatisrequired.Conditions:Alwaysavailable.
–––,-76to149°F
(-60.0to65.0°C)Installer
SLAB SENSOR 1Currentslabsensor1temperature.Conditions:Snow/icesensor1settoIn-slaborSlabsensor1issettoOn.
-58to167°F(-50.0to75.0°C)
UserInstaller
SENSOR 1 WATER STATUSCurrentstatusofsnow/icesensor1moisturedetector.Conditions:Snow/icesensor1issettoIn-slaborAerial.
DRYorWET UserInstaller
SLAB SENSOR 2Currentslabsensor2temperature.Conditions:Snow/icesensor2issettoIn-slaborSnowsensor2issettoOn.
-58to167°F(-50.0to75.0°C)
UserInstaller
SENSOR 2 WATER STATUSCurrentstatusofsnow/icesensor2moisturedetector.Conditions:Snow/icesensor2issettoIn-slaborAerial.
DRYorWET UserInstaller
COLDEST SLABThecoldesttemperaturebetweenthetwoslabsensors.Conditions:1)Snow/icesensor1issettoIn-slaborslabsensor1issettoOn,and2)snow/icesensor2issettoIn-slaborslabsensor2issettoOn.
-58to167°F(-50.0to75.0°C)
UserInstaller
COMBINED WATER STATUSCombinedstatusofbothsnow/icesensor1and2moisturedetectors.Ifeithersensoriswetthenthestatusis“Wet”.Conditions:Snow/icesensor1and2arebothsettoIn-slaborAerial.
DRYorWET UserInstaller
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©2015 680_D-10/15 20of48
System Status Menu (1 of 2)Description Range Access
BOILER TARGETTheboilertargetcalculatedbythecontrolbasedonoutdoortemperature,slabtemperatureandthemelting,idling,orstormsetpoints.“---”isdisplayedwhennoheatisrequired.Conditions:ApplicationmodeissettoBoilerorBoiler+Mix.
–––,50to230°F
(10.0to110.0°C)
UserInstaller
BOILER SUPPLYCurrentboilersupplywatertemperature.Conditions:ApplicationmodeissettoBoilerorBoiler+Mix.
-31to266°F(-35.0to130.0°C) Installer
BOILER RETURNCurrentboilerreturnwatertemperature.Conditions:ApplicationmodeissettoBoilerorBoiler+Mix.
-31to266°F(-35.0to130.0°C)
UserInstaller
BOILER OUTPUTCurrentboilerplantpercentoutput.Conditions:ApplicationmodeissettoBoilerorBoiler+Mix.
0to100% UserInstaller
STAGE 1Currentstatusofthestage1relay.Conditions:ApplicationmodeissettoPWMZone,Mixing,Boiler,orBoiler+Mix.
OnorOff UserInstaller
STAGE 2Currentstatusofthestage2relay.Conditions:BoilertypeissettoStage2.
OnorOff UserInstaller
PRIMARY PUMPCurrentstatusoftheprimarylooppump.Conditions:ApplicationmodeissettoPWMZone,BoilerorBoiler+Mix.
OnorOff UserInstaller
BOILER PUMPCurrentstatusoftheboilerlooppump.Conditions:ApplicationmodeissettoPWMMode,BoilerorBoiler+MixandtheBoilertypeisnotsettoOff.
OnorOff UserInstaller
MIX SYSTEM TARGETThemixsystemtargetcalculatedbythecontrolbasedonoutdoortemperature,slabtemperatureandoneofeitherthemelting,idling,orstormsetpoints.”---”isdisplayedwhennoheatisrequired.Conditions:ApplicationmodeissettoMixingorBoiler+Mix.
–––,70to200°F
(21.0to93.5°C)
UserInstaller
SYSTEM SUPPLYCurrentsystemsupplywatertemperature.Conditions:ApplicationmodeisnotsettoElectric.
-31to266°F(-35.0to130.0°C)
UserInstaller
SYSTEM RETURNCurrentsystemreturnwatertemperature.Conditions:1)ApplicationmodeissettoPWMZone,MixingorBoiler+Mixand2)asystemreturnsensorisinstalled.
-31to266°F(-35.0to130.0°C)
UserInstaller
MIX SYSTEM OUTPUTCurrentpositionofthemixingvalveoroutputofthevariablespeedinjectionpump.Conditions:ApplicationmodeissettoMixingorBoiler+Mix.
0to100% UserInstaller
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Description Range Access
SYSTEM PUMPCurrentstatusofthesystemlooppump.Conditions:ApplicationmodeissettoPWMZone,MixingorBoiler+Mix.
OnorOff UserInstaller
SYSTEM FLOW RATEThesystemflowratemeasuredbytheflowmeter.Conditions:1)ApplicationmodeissettoPWMZone,Boiler,MixingorBoiler+Mixand2)FlowsensorissettoOn.
0to1000GPM(0to227m3/h)
UserInstaller
SYSTEM PRESSUREThesystempressuremeasuredbythepressuresensor.Conditions:ApplicationmodeissettoPWMZone,Boiler,MixingorBoiler+Mix,and2)aPressureSensorisinstalled.
0to300psi(0to2069kPa)
UserInstaller
ELECTRIC ENABLE RELAYCurrentstatusoftheelectricsnowmeltenablerelay.Conditions:ApplicationmodeissettoElectric.
OnorOff UserInstaller
System Status Menu (2 of 2)
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©2015 680_D-10/15 22of48
Settings Menu Navigation
Step1:PresstheSettingsbuttonontheHomeScreen.Step2:Pressoneofthesixbuttons.Step3:Pressupordownbuttonstoscrollthroughthelist.Step4:Pressthehighlightedsettingnametochangethesettingvalue.
IntheBASmenu,settingsusinganumberkeypadrequiretouchingthenumberfieldandthenpressingthe"Clear"buttonbeforeenteringthenumber.
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Description Range Access
MELTING SETPOINTSelectthedesiredtemperatureofthesnowmeltsurfacewhenmelting.Conditions:Alwaysavailable.
32to95°F(0.0to35.0°C)Default=36°F
(2.0°C)
UserInstaller
IDLING SETPOINTSelectthedesiredtemperatureofthesnowmeltsurfacewhenidling.Idlingpre-heatstheslabwhentheslabisdrybutcoldandallowsfasterreactiontimetoreachthemeltingtemperaturewhensnowisdetected.Recommendedforcommercialuseonly.Conditions:Alwaysavailable.
OFF,20to95°F(-6.5to35.0°C)
Default=Off
UserInstaller
STORM SETPOINTSelectthedesiredtemperatureofthesnowmeltsurfacewhileoperatinginthestormoperation.Stormoperationtemporarilypre-heatstheslabtoallowfasterreactiontimetoreachthemeltingtemperaturewhensnowisdetected.StormoperationisactivatedthroughaBACnetorModbuscommand.Conditions:Alwaysavailable.
OFF,20to95°F(-6.5to35.0°C)
Default=Off
UserInstaller
MANUAL MELT TIMESelecttheamountofrunningtimewhenmanuallystartingthesystem.Conditions:Alwaysavailable.
0:30to24:00hours
Default=4:00hours
UserInstaller
ADD MELT TIMESelecttheamountofadditionalmeltingtimeaftertheSnow/IceSensorsaredry.Thisallowslowspotsontheslabtofullydrybeforethesnowmeltingsystemisshutoff.Conditions:1)Snow/icesensor1issettoIn-slaborAerial,or2)Snow/icesensor2issettoIn-slaborAerial.
0:00to6:00hours
Default=0:00hours
Installer
STORM RUN TIMESelecttheamountofstormruntimetopre-heattheslabwhenadvisedofawinterstormwarning.Conditions:Stormsetpointissettoatemperature.
0:30to24:00hours
Default=8:00hours
Installer
SENSITIVITY 1SelecthowsensitiveSnow/IceSensor1istowaterdetection.Conditions:Snow/icesensor1issettoIn-slaborAerial.
Auto,Min,-2,-1,Mid,+1,+2,MaxDefault=Auto
Installer
SENSITIVITY 2SelecthowsensitiveSnow/IceSensor2istowaterdetection.Conditions:Snow/icesensor2issettoIn-slaborAerial.
Auto,Min,-2,-1,Mid,+1,+2,MaxDefault=Auto
Installer
WWSDSelectthetemperatureabovewhichthesnowmeltingsystemisshutoffduringwarmweather.Thisallowsthesnoworicetomeltofftheslabnaturally.Conditions:Alwaysavailable.
Auto,32to95°F(0.0to35.0°C)Default=Auto
Installer
CWCOSelectthetemperaturebelowwhichthesnowmeltingsystemisshutoffduringextremelycoldweather.Belowthistemperature,theheatlossoftheslabexceedsthecapacityoftheboilerorheatingappliance.Conditions:Alwaysavailable.
Off,-30to50°F(-34.5to10.0°C)Default=10°F
(-12.0°C)
Installer
Setpoints Menu
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©2015 680_D-10/15 24of48
Setup – System Setup Menu (1 of 2)Description Range Access
APPLICATION MODETheApplicationModeselectstheoperationofthemechanicalequipment.ApplicationMode“PWMZone”operatesapumporzonevalvetoprovideheattothesnowmeltingsystem.
ApplicationMode“Mixing”operatesamixingvalveoravariablespeedinjectionmixingpumptoheatthesnowmeltingsystem.Theheatsourceisenabled.
ApplicationMode“Boiler”operatesamodulating,1-stageor2-stageboilertoheatthesnowmeltingsystem.
ApplicationMode“Boiler+Mix"operatesamixingvalveoravariablespeedinjectionmixingpumpandcontrolstheboilertemperaturetoheatthesnowmeltingsystem.
ApplicationMode“Electric”useselectriccablestoheatthesnowmeltingsystem.Conditions:Alwaysavailable.
PWMZoneMixingBoiler
Boiler+MixElectric
Default=Boiler+Mix
Installer
SNOW/ICE SENSOR 1SelectifaSnow/IceSensor090or094(In-slab),oraSnowSensor095(Aerial)isinstalledontheSnow/IceSensor1input.Conditions:Alwaysavailable.
None,In-slab,Aerial
Default=In-slabInstaller
SLAB SENSOR 1SelectifaSlabSensor072or073isinstalledontheSlabSensor1input.Conditions:Availablewhensnow/icesensor1issettoNoneorAerial.
OfforOnDefault=Off Installer
SNOW/ICE SENSOR 2SelectifaSnow/IceSensor090or094(In-slab),oraSnowSensor095(Aerial)isinstalledontheSnow/IceSensor2input.Conditions:Alwaysavailable.
None,In-slab,Aerial
Default=NoneInstaller
SLAB SENSOR 2SelectifaSlabSensor072or073isinstalledontheSlabSensor2input.Conditions:Availablewhensnow/icesensor2issettoNoneorAerial.
OfforOnDefault=Off Installer
SLAB PROTECTIONSelectifaconcreteslabshouldbeprotectedfromlargetemperaturedifferentialstoavoidcrackingtheconcreteduetohightensilestress.Thislimitstheheat-uprateoftheconcreteslab.Slabprotectionisnotrequiredforinstallationswithbrickpavers,asphaltorothernon-concretematerials.Conditions:Availablewhen1)ApplicationmodeissettoMixing,BoilerorBoiler+Mix,2)Snow/icesensor1or2issetto090orSlabsensor1or2issettoOn.
OfforOnDefault=On Installer
ECONOMELTEconoMeltallowstheusertomechanicallyremovesnowthenmanuallystartthesystemtomelttheremainingthinsnowlayerorice.Conditions:Availablewhensnow/icesensor1or2issettoIn-slab.
OfforOnDefault=Off Installer
MAX MELT DAYSLimittheamountofmeltingruntimeaftersnowisautomaticallydetectedbyaSnow/IceSensor090or094,oraSnowSensor095.Conditions:Alwaysavailable.
Off,0.5to7daysDefault=3days Installer
OUTDOOR SENSORSelectiftheoutdoorairtemperatureismeasuredbythecontroloriftheBASsystemcommunicatestheoutdoorairtemperature.Conditions:Alwaysavailable.
ControlorBASDefault=Control Installer
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Description Range Access
PRESSURE SENSORSelectifapressuresensorisinstalled.Conditions:AvailablewhentheApplicationModeisnotsettoElectric.
OfforOnDefault=Off Installer
PRESSURE RANGESelectthemaximumpressureratingoftheinstalledpressuresensor.Conditions:Availablewhen1)TheApplicationModeisnotsettoElectric,and2)PressureSensorissettoOn.
50,100,150,200,250,300
(345,690,1034,1379,1724,2069
kPa)Default=50psi
(345kPa)
Installer
LOW PRESSURE WARNINGSelectthelowpressurelimitbelowwhichawarningmessageisgenerated.Conditions:Availablewhen1)TheApplicationModeisnotsettoElectric,and2)PressureSensorissettoOn.
Off,5to25psi(35to173kPa)Default=Off
Installer
FLOW SENSORSelectwhetheraflowsensorisinstalled.Conditions:AvailablewhentheApplicationModeisnotsettoElectric.
OfforOnDefault=Off Installer
FLOW @ 4 mASelecttheflowratewhenthemeter’ssignalis4mA.Conditions:Availablewhen1)TheApplicationModeisnotsettoElectric,and2)FlowSensorissettoOn.
1to100GPM(0to27m3/h)
Default=1GPM(0m3/h)
Installer
FLOW @ 20 mASelecttheflowratewhenthemeter’ssignalis20mA.Conditions:Availablewhen1)TheApplicationModeisnotsettoElectric,and2)FlowSensorissettoOn.
1to1000GPM(0to272m3/h)
Default=50GPM(11.36m3/h)
Installer
GLYCOL TYPESelectthetypeofglycolsolutioninthesnowmeltsystem.Thetypeofglycolsolutionaffectstheenergymetercalculation.Conditions:Availablewhen1)TheApplicationModeisnotsettoElectric,and2)FlowSensorissettoOn.
Ethyleneor
PropyleneDefault=Ethylene
Installer
PERCENT GLYCOLSelectthepercentmixtureoftheglycolsolution.Thepercentglycolsolutionaffectstheenergymetercalculation.Conditions:Availablewhen1)TheApplicationModeisnotsettoElectric,and2)FlowSensorissettoOn.
10to70%Default=40% Installer
ELECTRIC LOADSetthesizeoftheelectricheatingloadinkilowattsforthiszone.Conditions:ApplicationmodeissettoElectric.
0to200kWDefault=35kW Installer
Setup – System Setup Menu (2 of 2)
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Setup – Boiler Setup Menu (1 of 2)Description Range Access
BOILER TYPESelectthetypeofboileroperatedbythecontrol.Mod=Modulatingboilerwithanadjustablefiringrateusinga0-10V(dc)or4-20mAsignal.1Stage=Singleone-stageon/offboiler.2Stage=Singletwo-stageon/offboiler.EMS=Modulatingboilerwithanadjustabletargettemperatureusinga0-10V(dc)or4-20mAsignal.Conditions:ApplicationModeissettoBoilerorBoiler+Mix.
Mod,1Stage,2Stage,EMS
Default=ModInstaller
BOILER MODULATION TYPESelectbetweena0-10V(dc)or4-20mAsignaltocontrolthemodulatingboiler.Conditions:Availablewhen1)ApplicationModeissettoBoilerorBoiler+Mix,and2)BoilerTypeissettoModorEMS.
0-10Vor
4-20mADefault:0-10V
Installer
BOILER MIN MODULATIONSettheboilerminimummodulationoftheboilerburner.Conditions:Availablewhen1)ApplicationModeissettoBoilerorBoiler+Mix,and2)BoilerTypeissettoModorEMS.
0to50%Default=0% Installer
BOILER MODULATION DELAYSetthetimetheboileroperatesattheminimumfiringratebeforeallowingthefiringratetochange.Thisallowstheboilerignitionsystemtoestablishaflame.Conditions:Availablewhen1)ApplicationModeissettoBoilerorBoiler+Mix,and2)BoilerTypeissettoModorEMS.
Off,10to180seconds
Default=OffInstaller
BOILER MOTOR SPEEDSetthetimerequiredforthemodulatingburneractuatingmotortofullyopenthegasvalveorramptheburnerfanspeedfromofftofullspeed.Setto30secondsunlessotherwiserecommendedbytheboilermanufacturer.Conditions:Availablewhen1)ApplicationModeissettoBoilerorBoiler+Mix,and2)BoilerTypeissettoMod.
30to230seconds
Default=30Installer
BOILER DIFFERENTIALThetemperaturedifferentialthatthecontrolusestocycletheboileronandoff.Thedifferentialissplitevenlyhalfaboveandhalfbelowoftheboilertarget.Conditions:AvailablewhenApplicationModeissettoBoilerorBoiler+Mix.
Auto,2to42°F(1.0to23.5°C)Deafult=Auto
Installer
BOILER MINIMUMTheboilerreturnminimumprotectsbothcondensingandnon-condensingboilersfromcoldreturnwatertemperatures.Themixingvalveisclosedorthevariablespeedinjectionmixingisreducedwhentheboilerreturntemperaturefallsbelowthissetting.Conditions:AvailablewhenApplicationModeissettoMixingorBoiler+Mix.
Theminimumallowedboilertargettemperature.Checktheboilermanufacturer’smanualforrecommendedreturnwatertemperatures.Conditions:AvailablewhenApplicationModeissettoBoiler.
Off,50to180°F(10.0to82.0°C)
Default=OffInstaller
EMS SIGNAL MINIMUMThestartingvoltagefortheEMSmodulatingboilersignal.ThisvoltagecorrespondstotheEMSLowTemperaturesetting.Checktheboilermanufacturer’smanualforthestartingvoltagefortheEMSsignalrange.Conditions:Availablewhen1)BoilerTypeissettoEMS,and2)BoilerModulationTypeissetto0-10V.
0.5to10VdcDefault=0.5Vdc Installer
EMS LOW TEMPERATURETheEMSmodulatingboilertargettemperaturethatcorrespondstotheEMSSignalMinimumvoltageor4mA.Checktheboilermanufacturer’smanualfortheminimumEMStargettemperature.Conditions:AvailablewhenBoilerTypeissettoEMS.
50to210°F(10to99.0°C)Default=50°F
(10.0°C)
Installer
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Description Range Access
EMS HIGH TEMPERATURETheEMSmodulatingboilertargettemperaturethatcorrespondsto10V(dc)or20mA.Checktheboilermanufacturer’smanualforthemaximumEMStargettemperature.Conditions:AvailablewhenBoilerTypeissettoEMS.
50to210°F(10.0to99.0°C)Default=210°F
(99.0°C)
Installer
Setup – Boiler Setup Menu (2 of 2)
Setup – Mixing Setup MenuDescription Range Access
MIXING TYPESelectthemixingoutputtype.Floating=Floatingactionmixingoutputtooperateamixingvalve.Injection=Injectionmixingoutputtooperateawet-rotor,impedanceprotectedpumpwithacurrentlessthan2.4A.0-10V=Analogmixingoutputprovidesa0-10V(dc)signal.4-20mA=Analogmixingoutputprovidesa4-20mAsignal.Conditions:AvailablewhenApplicationModeissettoMixingorBoiler+Mix.
Floating,Injection,0-10V,
or4-20mADefault=Floating
Installer
MIX MOTOR SPEEDSetthetimethatthemixingactuatingmotorrequirestooperatefromfullyclosedtofullyopen.Checkthemixingactuatormotorinstructionmanualforthemotorspeedtime.Conditions:Availablewhen1)ApplicationModeissettoMixingorBoiler+Mix,and2)MixingTypeissettoFloating,0-10V,or4-20mA.
30to230seconds
Default=105seconds
Installer
MIX MAXIMUMSetthemaximumoperatingtemperatureofthesystemsupplywatertemperature.Conditions:AvailablewhenApplicationModeissettoMixingorBoiler+Mix.
80to180°F,Off(26.5to82.5°C)Default=140°F
(60.0°C)
Installer
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BAS Menu (1 of 2)
Description Range Access
BAS TYPESelectthecommunicationprotocolusedwiththeBASnetwork.None=Nocommunication.Thecontroloperatesinstand-alone.BACnet-IP=ThecontrolcommunicatestoaBACnet-IPBASsystem.BACnet-MSTP=ThecontrolcommunicatestoaBACnet-MSTPBASsystem.Modbus=ThecontrolcommunicatestoaModbusBASsystem.Conditions:Alwaysavailable.
None,BACnet-IP,BACnet-MSTP,
ModbusDefault=None
Installer
BACnet-IP DEVICE IDSelecttheBACnet-IPdeviceidentificationnumber.EachdeviceontheBACnetsystemmusthaveauniqueidentificationnumber.Conditions:AvailablewhenBASTypeissettoBACnet-IP.
0to4194302Default=1 Installer
BACnet-IP PORTSelecttheBACnet-IPportnumber.ThedefaultBACnetportis47808(0xBAC0inhexadecimal).Conditions:AvailablewhenBASTypeissettoBACnet-IP.
0to65535Default=47808 Installer
IP CONFIGURATIONSelectifDynamicHostConfigurationProtocol(DHCP)isusedtoautomaticallyprovideanIPaddress(Auto)oruseamanuallysetIPaddress(manual)ontheBACnet-IPnetwork.TheHelpscreenshowsthefollowinginformation:• IPConfiguration• IPAddress• SubnetMask• GatewayIP• LinkStatus• SpeedStatusConditions:AvailablewhenBASTypeissettoBACnet-IP.
ManualorAutoDefault=Auto Installer
IP ADDRESSSettheIPaddressontheBACnet-IPnetwork.AllBACnetdevicesmustsharethesamesubnetinordertocommunicate.Conditions:Availablewhen1)BASTypeissettoBACnet-IP,and2)IPConfigurationissettoManual.
000.000.000.000to
255.255.255.254Default=
192.168.0.200
Installer
IP SUBNET MASKSetthesubnetmaskontheBACnet-IPnetwork.Conditions:Availablewhen1)BASTypeissettoBACnet-IP,and2)IPConfigurationissettoManual.
000.000.000.000to
255.255.255.254Default=
255.255.255.0
Installer
IP GATEWAYSettheGatewayIPaddressontheBACnet-IPnetwork.AllBACnetdevicesmustsharethesamesubnetinordertocommunicate.Conditions:Availablewhen1)BASTypeissettoBACnet-IP,and2)IPConfigurationissettoManual.
000.000.000.000to
255.255.255.254Default=
192.168.0.1
Installer
REGISTER FOREIGN DEVICESSelectifaBACnetBroadcastManagementDevice(BBMD)isontheBACnetnetwork.Conditions:AvailablewhenBASTypeissettoBACnet-IP.
OfforOnDefault=Off Installer
Settings using a number keypad require touching the number field and then pressing the "Clear" button before entering the number.
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Description Range Access
BBMD PORTSettheBACnetBroadcastManagementDevice(BBMD)UDPportontheBACnetnetwork.Conditions:AvailablewhenBASTypeissettoBACnet-IP.
0to65535Default=47808 Installer
BBMD TIMESettheBACnetBroadcastManagementDevice(BBMD)time-to-liveinsecondsforforeigndeviceregistrationonaBACnetnetwork.Conditions:Availablewhen1)BASTypeissettoBACnet-IP,and2)RegisterForeignDeviceissettoOn.
30to65535seconds
Default=30seconds
Installer
BBMD IPSettheBACnetBroadcastManagementDevice(BBMD)IPaddressontheBACnetnetwork.Conditions:Availablewhen1)BASTypeissettoBACnet-IP,and2)RegisterForeignDeviceissettoOn.
000.000.000.000to
255.255.255.254Default=
127.127.127.127
Installer
MAC ADDRESSThisistheMediaAccessControl(MAC)addressofthisproduct.Conditions:AvailablewhenBASTypeissettoBACnet-IP.
XX:XX:XX:XX:XX:XX Installer
BACnet-MSTP DEVICE IDSettheBACnetMSTPdeviceidentificationnumber.EachdeviceontheBACnetnetworkmusthaveauniqueidentificationnumber.Conditions:AvailablewhenBASTypeissettoBACnet-MSTP.
0to4194302Default=1 Installer
BACnet-MSTP ADDRESSSettheMSTPaddress.EachMSTPdevicemusthaveauniqueaddress.Conditions:AvailablewhenBASTypeissettoBACnet-MSTP.
0to127Default=1 Installer
BACnet-MSTP BAUD RATESelecttheBACnet-MSTPdatacommunicationrate.HigherdataratesmayrestrictcablelengthandmayrequireterminatingresistorsattheendoftheRS-485databus.Conditions:AvailablewhenBASTypeissettoBACnet-MSTP.
9600,19k2,38k4,57k6,76k8,115kDefault=9600
Installer
MODBUS ADDRESSSettheModbusaddress.EachModbusdevicemusthaveauniqueaddress.Conditions:AvailablewhenBASTypeissettoModbus.
1to247Default=1 Installer
MODBUS DATA TYPESelectwhethertheModbusnetworkusesRTUorASCIIdataframeformat.Conditions:AvailablewhenBASTypeissettoModbus.
RTUorASCIIDefault=RTU Installer
MODBUS BAUD RATESelecttheModbusdatacommunicationrate.HigherdataratesmayrestrictcablelengthandmayrequireterminatingresistorsattheendoftheRS-485databus.Conditions:AvailablewhenBASTypeissettoModbus.
2400,9600,19k2,57k6,115k
Default=19k2Installer
MODBUS PARITYSelectiftheModbuscommunicationframeusesaparitybit.Conditions:AvailablewhenBASTypeissettoModbus.
None,Even,OddDefault=Even Installer
BAS Menu (2 of 2)
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Monitor Menu (1 of 3)Description Range Access
MELTING ENERGYRecordstheamountofenergyusedbythesnowmeltingsystemsincethecounterwaslastreset.Conditions:Alwaysavailable.
Hydronic0to999999thmorGJ
Electric0to999999kWh
UserInstaller
MELTING HOURSRecordsthenumberofmeltinghourssincethecounterwaslastreset.Conditions:Alwaysavailable.
0to999999hours
UserInstaller
HEAT HOURSRecordsthenumberofhourstheboilerfiredortheelectriccableheatedsincethecounterwaslastreset.Conditions:Alwaysavailable.
0to999999hours
UserInstaller
HEAT CYCLESRecordsthenumberofcyclestheboilerturnedonortheelectriccableheatedsincethecounterwaslastreset.Conditions:Alwaysavailable.
0to999999cycles Installer
SYSTEM PUMPRecordsthenumberofhoursthesystempumphasoperatedsincethecounterwaslastreset.Conditions:AvailablewhenApplicationModeisnotsettoElectric.
0to999999hours Installer
PRIMARY PUMPRecordsthenumberofhourstheprimarypumphasoperatedsincethecounterwaslastreset.Conditions:AvailablewhenApplicationModeisnotsettoElectric.
0to999999hours Installer
BOILER PUMPRecordsthenumberofhourstheboilerpumphasoperatedsincethecounterwaslastreset.Conditions:AvailablewhenApplicationModeissettoBoilerorBoiler+Mix.
0to999999hours Installer
SLAB SENSOR 1 HIGHRecordsthehighestmeasuredslab1temperaturesincethecounterwaslastreset.Conditions:AvailablewhenSnow/IceSensor1issettoIn-slaborSlabSensor1=On.
-58to167°F(-50.0to75.0°C) Installer
SLAB SENSOR 1 LOWRecordsthelowestmeasuredslab1temperaturesincethecounterwaslastreset.Conditions:AvailablewhenSnow/IceSensor1issettoIn-slaborSlabSensor1=On.
-58to167°F(-50.0to75.0°C) Installer
SLAB SENSOR 2 HIGHRecordsthehighestmeasuredslab2temperaturesincethecounterwaslastreset.Conditions:AvailablewhenSnow/IceSensor2issettoIn-slaborSlabSensor2=On.
-58to167°F(-50.0to75.0°C) Installer
SLAB SENSOR 2 LOWRecordsthelowestmeasuredslab2temperaturesincethecounterwaslastreset.Conditions:AvailablewhenSnow/IceSensor2issettoIn-slaborSlabSensor2=On.
-58to167°F(-50.0to75.0°C) Installer
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Description Range Access
OUTDOOR HIGHRecordsthehighestmeasuredoutdoorairtemperaturesincethecounterwaslastreset.Conditions:Alwaysavailable.
-67to149°F(-55.0to65.0°C) Installer
OUTDOOR LOWRecordsthelowestmeasuredoutdoorairtemperaturesincethecounterwaslastreset.Conditions:Alwaysavailable.
-67to149°F(-55.0to65.0°C) Installer
BOILER SUPPLY HIGHRecordsthehighestmeasuredboilersupplytemperaturesincethecounterwaslastreset.Conditions:AvailablewhenApplicationModeissettoBoilerorBoiler+Mix.
-31to266°F(-35.0to130.0°C) Installer
BOILER SUPPLY LOWRecordsthelowestmeasuredboilersupplytemperaturesincethecounterwaslastreset.Conditions:AvailablewhenApplicationModeissettoBoilerorBoiler+Mix.
-31to266°F(-35.0to130.0°C) Installer
BOILER RETURN HIGHRecordsthehighestmeasuredboilerreturntemperaturesincethecounterwaslastreset.Conditions:AvailablewhenApplicationModeissettoBoiler,Mixing,orBoiler+Mix.
-31to266°F(-35.0to130.0°C) Installer
BOILER RETURN LOWRecordsthelowestmeasuredboilerreturntemperaturesincethecounterwaslastreset.Conditions:AvailablewhenApplicationModeissettoBoiler,Mixing,orBoiler+Mix.
-31to266°F(-35.0to130.0°C) Installer
SYSTEM SUPPLY HIGHRecordsthehighestmeasuredsystemsupplytemperaturesincethecounterwaslastreset.Conditions:AvailablewhenApplicationModeissettoPWMZone,MixingorBoiler+Mix.
-31to266°F(-35.0to130.0°C) Installer
SYSTEM SUPPLY LOWRecordsthelowestmeasuredsystemsupplytemperaturesincethecounterwaslastreset.Conditions:AvailablewhenApplicationModeissettoPWMZone,MixingorBoiler+Mix.
-31to266°F(-35.0to130.0°C) Installer
SYSTEM RETURN HIGHRecordsthehighestmeasuredsystemreturntemperaturesincethecounterwaslastreset.Conditions:AvailablewhenApplicationModeissettoPWMZone,MixingorBoiler+Mix.
-31to266°F(-35.0to130.0°C) Installer
SYSTEM RETURN LOWRecordsthelowestmeasuredsystemreturntemperaturesincethecounterwaslastreset.Conditions:AvailablewhenApplicationModeissettoPWMZone,MixingorBoiler+Mix.
-31to266°F(-35.0to130.0°C) Installer
PRESSURE HIGHRecordsthehighestsystempressuresincethecounterwaslastreset.Conditions:Availablewhen1)ApplicationModeisnotsettoElectricand2)PressureSensorissettoOn.
0to300psi(0to2069kPa) Installer
PRESSURE LOWRecordsthelowestsystempressuresincethecounterwaslastreset.Conditions:Availablewhen1)ApplicationModeisnotsettoElectricand2)PressureSensorissettoOn.
0to300psi(0to2069kPa) Installer
Monitor Menu (2 of 3)
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Monitor Menu (3 of 3)Description Range Access
FLOW RATE HIGHRecordsthehighestsystemflowratesincethecounterwaslastreset.Conditions:Availablewhen1)ApplicationModeisnotsettoElectricand2)FlowSensorissettoOn.
0to1000GPM(0to272m3/h) Installer
FLOW RATE LOWRecordsthelowestsystemflowratesincethecounterwaslastreset.Conditions:Availablewhen1)ApplicationModeisnotsettoElectricand2)FlowSensorissettoOn.
0to1000GPM(0to272m3/h) Installer
RESET ALL?Resetsallthecountersinthemonitormenuatonce.Conditions:Alwaysavailable.
N/A Installer
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Toolbox MenuDescription Range Access
ERROR CODEThecurrenterrorcodeisdisplayed.Conditions:Alwaysavailable.
SeeErrorCodeSection
UserInstaller
ACCESS LEVELSelecttheaccesslevelofthecontrol.Thisdetermineswhichmenusanditemsareavailablethroughtheuserinterface.Conditions:AvailablewhentheDIPswitchissettoUnlocked.
UserorInstallerDefault=Installer
UserInstaller
TYPE 680Productinformation.Product680tektra#:107001SW:J1243BSVN:1054Conditions:Alwaysavailable.
J1243BLastletterindicates
softwareversion
UserInstaller
SCREEN BRIGHTNESSSelectthescreenbrightness.Conditions:Alwaysavailable.
0to100%Default=75%
UserInstaller
TEMPERATURE UNITSSelectFahrenheitorCelsiustemperatureunits.Conditions:Alwaysavailable.
°For°CDefault=°F
UserInstaller
FLOW UNITSSelecttheunitsformeasuringflowrates.OptionsincludeUSgallonsperminute(GPM),cubicmetersperhour(m3/h)andlitersperminute(LPM).Conditions:AvailablewhenApplicationModeisnotsettoElectric.
GPM,m3/h,LPMDefault=GPM
UserInstaller
ENERGY UNITSSelecttheunitsformeasuringenergy.Optionsincludetherms(thm),gigajoules(GJ),megabritishthermalunits(MBtu)andkilowatt-hours(kWh).Conditions:AvailablewhenApplicationModeisnotsettoElectric.
thm,GJ,MBtu,orkWh
Default=thm
UserInstaller
PRESSURE UNITSSelecttheunitsformeasuringpressure.OptionsincludepoundspersquareInch(psi)orkilopascals(kPa).Conditions:AvailablewhenApplicationModeisnotsettoElectric.
psiorkPaDefault=psi
UserInstaller
LOAD DEFAULTSSelect“Yes”toreloadthefactorydefaultsonthecontrol.Conditions:Alwaysavailable.
NoorYes UserInstaller
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Override MenuDescription Range Access
MANUAL OVERRIDEManuallyoverridethenormalautomaticoperationofthecontroltotesttheequipmentoroperatethesystematthemaximumtemperaturelimits.Auto=Normaloperation.Hand=Manualoverrideofeachrelayoutput.MaxHeat=Operatehydronicsystematmaximumheat.Test=Operateelectricsystemfor10minutes.Purge=Hydronicsystempurgeoperatespumpstohelpbleedairfromthesystem.Conditions:Alwaysavailable.
Auto,Hand,MaxHeat,Test,Purge,
Off
UserInstaller
SYSTEM PUMPManuallyturnonthesystempumpduringtheHANDManualOverride.Conditions:Availablewhen1)ApplicationModeissettoPWMZone,Boiler,MixingorBoiler+Mix,and2)ManualOverrideissettoHand.
OfforOnDefault=Off Installer
PRIMARY PUMPManuallyturnontheprimarypumpduringtheHANDManualOverride.Conditions:Availablewhen1)ApplicationModeissettoPWMZone,Boiler,MixingorBoiler+Mix,and2)ManualOverrideissettoHand.
OfforOnDefault=Off Installer
BOILER PUMPManuallyturnontheboilerpumpduringtheHANDManualOverride.Conditions:Availablewhen1)ApplicationModeissettoPWMMode,BoilerorBoiler+Mix,and2)ManualOverrideissettoHand.
OfforOnDefault=Off Installer
BOILER MODULATIONManuallysetthemodulatingboilerfiringrateduringtheHANDManualOverride.Conditions:Availablewhen1)ApplicationModeissettoBoilerorBoiler+Mix,2)ManualOverrideissettoHand,and3)BoilerTypeissettoMod.
0to100%Default=0% Installer
BOILER STAGE 1Manuallyturnontheboilerstage1duringtheHANDManualOverride.Conditions:AvailablewhenManualOverrideissettoHand.
OfforOnDefault=Off Installer
BOILER STAGE 2Manuallyturnontheboilerstage2duringtheHANDManualOverride.Conditions:Availablewhen1)ApplicationModeissettoBoilerorBoiler+Mix,2)ManualOverrideissettoHand,and3)BoilerTypeissettoStage2.
OfforOnDefault=Off Installer
BOILER EMSManuallysetthemodulatingboilerfiringrateduringtheHANDManualOverride.Conditions:Availablewhen1)ApplicationModeissettoBoilerorBoiler+Mix,2)ManualOverrideissettoHand,and3)BoilerTypeissettoEMS.
Off,50to210°F(10to99.0°C)Default=Off
Installer
MIX SYSTEM OUTPUTManuallysetthemixingvalveorinjectionmixingpumpoutputduringtheHANDManualOverride.Conditions:Availablewhen1)ApplicationModeissettoMixingorBoiler+Mix,and2)ManualOverrideissettoHand.
0to100%Default=0% Installer
HAND DURATIONSelecttheamountoftimethattheHANDOverrideisineffectbeforereturningtoAutomaticoperation.Conditions:Availablewhen1)ApplicationModeissettoPWMZone,Boiler,MixingorBoiler+Mix,and2)ManualOverrideissettoHand.
0:10to72:00hours
Default=0:10hourInstaller
MAX HEAT DURATIONSelecttheamountoftimethatMaxHeatisineffectbeforereturningtoAutomaticoperation.Conditions:Availablewhen1)ApplicationModeissettoPWMZone,Boiler,MixingorBoiler+Mix,and2)ManualOverrideissettoMaxHeat.
0:10to72:00hours
Default=24:00hourInstaller
PURGE DURATIONSelecttheamountoftimethatthePurgeisineffectbeforereturningtoAutomaticoperation.Conditions:Availablewhen1)ApplicationModeissettoPWMZone,Boiler,MixingorBoiler+Mix,and2)ManualOverrideissettoPurge.
0:10to72:00hours
Default=24:00hourInstaller
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Sequence of OperationSnow Melting Overview
Asnowmeltingsystemcanofferasafe,convenient,andcosteffectivewayofremovingsnowandicefromthesnowmeltingslabandsimilarsurfaces.Safetyisincreasedbyactivatingthesnowmeltingsystemassoonasthesnowfallsratherthanwaitingformechanicalsnowremovalaftersnowhasaccumulated.Thiseliminatessliphazardsandreducestheriskofinjurybymechanizedsnowmeltingequipment,therebyreducingpotentialliabilitycosts.Theeliminationofsnowplowequipmentandcorrosivesaltsalsoreducesdamagetotheslabsurfaceandtotheenvironment.Whencontrolledcorrectly,snowmeltingsystemscanbecostcompetitivecomparedtomechanicalsnowremoval.
Thesnowmeltingcontrolcanoperateinoneoffourdifferentways:
Melt HeatstheslabtomeltsnoworiceIdle Pre-heatstheslabjustbelowfreezingtoshortenthe
timerequiredtomeltsnowStorm Temporarilypre-heatstheslabjustbelowfreezingto
shortenthetimerequiredtomeltsnowOff SnowmeltingsystemisoffThedisplayshowsthecontroloperationinthehomescreen.
Melt Operation
Thesnowmeltingsystemoperatestheheatingequipmenttoheattheslabfromacoldstartorfromtheidleorstormtemperaturetoreachthemelttemperaturesettingtomeltsnoworice.Meltoperationcanbetriggeredautomatically
usingasnow/icesensor,manuallybypressingtheMeltbuttononthedisplay,orthroughtheBACnetorModbusprotocol.Themelttemperaturesettingaffectscalculatedtargetssuchastheslabtarget,boilertargetandmixtarget.
Melt – Automatic Start and StopAutomaticstartandstopoperationrequirestheinstallationofaSnow/IceSensor090(65'or20mcable)or094(208'or63mcable).Thesensorisinstalledin-slablevelwiththemeltingsurface.Thecontrolcontinuallymonitorsthesensorforthepresenceofmoistureandslabtemperatureconditionsinwhichsnoworicemaybepresent.Whenmoistureisdetected,thecontrolshows“Sensor1WaterStatusWet”intheSlabStatusmenu.Whenthesensorisdrythecontrolshows“SensorWaterStatusDry”.ThecontrolincludesaSensitivitysettingintheSetpointsmenuthatallowstheinstallertoadjusttheamountofmoisturerequiredtostartandstopthemeltingoperation.Inareaswithlowamountsofdustand/orairpollution,thesensitivitymayneedtobeincreased.ThedefaultsensitivitysettingisAuto.Thissettingallowsthecontroltoautomaticallydeterminethebestsuitablesensitivitysettingfortheinstallation.
PushSTOPbutton
090or094andslabdryandAddMelttimeelapses
or
Idle
OffWWSD
BACnetorModbusStopRequest
090or094detectswater
ExitsCWCOMelt
Suspended
EntersCWCO
AutoMelt
Whenmoistureisdetectedandtheslabandoutdoortempera-turesareatorbelowfreezing,thecontrolwillautomaticallystartthesnowmeltingsystem.Asthesnoworicemeltsandtheslabdriesoff,thesensoralsodriesoffatthesametime.Whenthesensorisdry,thesnowmeltsystemautomaticallyshutsoff.Iftherearelowspotsontheslabsurfacethatdryoffslowerthanthesensor,additionalmeltingruntimecanbeincludedbyadjustingtheAdditionalMeltTimesettingintheSetpointsmenu.Ifthesnowmeltingsystemismanuallystopped,thesnow/icesensormustfullydrybeforeitisabletodetectanewsnowfallandautomaticallystartthesnowmeltingsystem.
Snow/Ice Sensor 090 or 094
Theslabtemperaturemustreachtheslabtargetinorderforthesystemtoshutoffautomatically.Thecapacityoftheheatsourcemustbesizedtoensuremeltingaslowasthecoldweathercutoff.Inaddition,theheatsourcemaximumtemperaturesetting
mustbesettoprovidethefullcapacityoftheheatingappliance.Forexample,boileraquastatsshouldbesetto180°F(82°C).Failuretomeettheserequirementsmayresultinthesnowmeltingsystemnotautomaticallyshuttingoffwhentheslabisdry.
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Melt – EconoMelt
WhenaSnow/IceSensor090or094isinstalled,theinstallercanchoosetoselecttoeitherautomaticallyormanuallystartthesnowmeltingsystem.SelectingEconoMelttoOnallowssnowremovalusingasnowploworshovel.Theremainingthinlayerofsnoworicethatmechanicalsnowremovalmethodsareunabletoremovecanbemeltedusingthemanualstartoperation.Thesnowmeltingsystemstopswhenthesensorisdry.ThefactorydefaultforEconoMeltisOff.
PushMeltbutton
BACnetorModbusMeltRequest
090andslabdryandAddMelttimeelapses
WWSD
PressStopbutton
BACnetorModbusStopRequest
MeltOff
ExitsCWCOMelt
Suspended
EntersCWCO
Melt – Automatic Start and Timed Stop
Automaticstartwithatimedstopoperationrequirestheinstal-lationofaSnowSensor095.Thesensorisaerialmountedonapolenearthemeltingsurface.ItishighlyrecommendedtoalsoinstallaSlabSensor072(20’or6mcable)or073(40’or12mcable)inordertoregulatetheslabtemperatureandoperatethesnowmeltingsystematthehighestpossibleefficiency.Thecontrolcontinuallymonitorsthesnowsensorforthepresenceofmoistureandslabtemperaturecondi-tionsinwhichsnoworicemaybepresent.Whenmoistureisdetected,thecontrolwillshow“SensorWaterStatusWet”intheSlabStatusmenu.Whenthesensorisdrythecontrolwillshow“SensorWaterStatusDry”.ThecontrolincludesaSensitivitysettingintheSetpointsmenuthatallowsthe
installertoadjusttheamountofmoisturerequiredtostartandstopthemeltingoperation.Inareaswithlowamountsofdustand/orairpollution,thesensitivitymayneedtobeincreased.ThedefaultsensitivitysettingisAuto.Thissettingallowsthecontroltoautomaticallydeterminethebestsuitablesensitivitysettingfortheinstallation.WhenmoistureisdetectedandboththeslabandoutdoortemperaturesarebelowtheMeltingsetting,thecontrolauto-maticallystartsthesnowmeltingsystem.ThesnowmeltingsystemoperatestoheattheslabtotheslabtargettemperatureandcontinuestooperateuntilthetimesetbytheManualMeltRunTimeintheSetpointsmenuelapses.
Snow Sensor 095
PushMeltbutton
095detectswater
BACnetorModbusMeltRequest
ManualMeltRunTimeelapses
WWSD
PushStopbutton
BACnetorModbusStopRequest
CWCO
TimedMeltor
Idle
Off
095detectswater
Additional Melting Time
DrySnow Ice Sensor
ASnow/IceSensor090or094automaticallyshutsoffthesnowmeltingsystemwhenthewatersensorisdry.Duetotheconstructionoftheslabandthelayoutoftheheatingpipeorelectricalcable,theremaybeareasthatdonotmeltcompletely.TheAdditionalMeltTimesettingintheSetpointsmenuallowstheinstallertosetadditionmeltingtimeafterthesensorisdry.
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Melt – Manual Start and Timed Stop
Thesnowmeltingsystemcanbestartedmanuallyinoneoftwodifferentmethods:• TouchtheMeltbuttononthecontroldisplay.• TheMelt/StopRequestparameterintheBACnetorModbus
communicationprotocol.Oncemanuallystarted,thesnowmeltingsystemcontinuestooperateuntilthetimesetbytheManualMeltRunTimesettingintheSetpointsmenuelapses.
PushMeltbutton
BACnetorModbusMeltRequest
ManualMeltRunTimeelapses
WWSD
PushStopbutton
BACnetorModbusStopRequest
CWCO
TimedMeltor
Idle
Off
IfamanualstarthasbeenprovidedandaSnow/IceSensordetectswater,thecontrolchangesfrommanualmelttoautomaticoperation.ThesnowmeltingsystemwillcontinuetooperateuntilthesensorisdryandtheAdditionalMeltTimeelapses.
Tandem Snow/Ice Detection
ThecontrolallowsanycombinationoftwoSnow/Icesensors090or094orSnowSensors095tobeinstalled.Thisprovidesfullredundancyandincreasesthesnowdetectionarea.Bothsensorsareusedtodetectsnoworiceandifeithersensoriswetthesnowmeltingzonestartsmelting.Thecontrolcontinuestooperateuntilbothsensorsaredry.Thisallowssnoworicedetectionoverawiderarea.Intheeventofasensorfailure,thecontrolcontinuestooperatenormally,givingbuildingmaintenancestafftimetotroubleshootandreplacethefaultysensorifnecessary.
PressMeltbuttontostartmeltingoperation
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Idle Operation
Whenthesnowmeltingsystemstartsfromacoldtemperature,theremaybealongtimedelaybeforetheslabiswarmenoughtomeltsnow.Thistimedelayallowssnowtoaccumulateontheslabwhichisnotacceptableinsomecommercialandinstitutionalapplications.Todecreasethestart-uptime,theslabcanbepre-heatedtomaintainaminimumtemperature.ThisisknownastheIdletemperature.Idlingrequireslargeenergyconsumptionandisgenerallyrecommendedforinstitutionaland/orcommercialinstallationswheresafetyconcernsareparamount.Thedisplayshows"SystemisIdling"whenthecontrolisinidleoperation.Whendesigningasnowmeltingsystem,anengineermayspecifytheamountofallowedsnowaccumulationastheSnow-FreeAreaRatio.Therearethreedifferentlevels.ASnow-FreeAreaRatioof1isdefinedasasystemthatmeltsallsnowasitfallswithnoallowedaccumulation.ThisrequiresthattheIdletemperaturebesetjustbelowfreezing.Examplesofthesetypesofapplicationsinclude:• Hospitalemergencyareas• Helicopterlandingpads• Parkinggarageramps
ASnow-FreeAreaRatioof0.5isdefinedasasystemwithpartialsnowaccumulationontheslabbutnotinallareas.ThesetypesofsystemsmayalsouseIdlingbutusuallyset
atatemperatureseveraldegreesbelowfreezingtoreduceenergyconsumption.Applicationsmayinclude:• Steepresidentialdriveways• Commercialsidewalks• LoadingdocksASnow-FreeAreaRatioof0isdefinedasasystemthatallowssnowaccumulation.Thesesystemsoperatethesnowmeltingsystemfromacoldstartresultinginthelowestenergyconsumptioncostsandthelongesttimestostartmeltingsnow.InthiscasesettheIdletooff.Thisisrecommendedformostresidentialapplicationssuchas:• Flatresidentialdriveways• Patios• ResidentialsidewalksSomesystemsaredesignedforkeepingaslabsurfacefreeoficeratherthanfreeofsnow.Themostcommonapplicationsinclude:• Carwashbaysandaprons• Aircrafthangeraprons• TurfconditioningongolfcoursegreensThesesystemsrequiretheuseofIdlingatornearfreezingthrough-outthewinterandmayresultinhighenergyconsumption.
Storm OperationFormanyapplicationsitistoocostlytoIdlethesnowmeltsystemallwinter.TheStormoperationcombinesthebenefitsofafastresponsetimetogetherwithloweroperatingcosts.TheStormoperationdoesthisbyallowingtheusertomanuallypre-heattheslabtemporarilyinpreparationofasnowfallwarning.IntheeventthatsnowfallsandisdetectedbyaSnow/IceSensororaSnowSensororthesystemismanuallystarted,thesnowmeltsystemheatstheslabuptothemeltingtemperatureandcompletesameltingcycle.Shouldnosnowfallduring
thestormtimeperiod,thecontrolexitsStormoperationandreturnstoOff.TheStormoperationissetupbysettingtheStormtemperatureandtheStormRunTimeintheSetpointsmenu.TheStormoperationisactivatedbytheStorm/StopRequestparameterintheBACnetorModbuscommunicationprotocol.
Slab Temperature Control
Controllingtheslabtemperatureiscriticaltominimizingthecostofsnowmelting.ThisrequiresthateitheraSnow/IceSensor090or094oraSlabSensor072or073isinstalled.TheSnow/IceSensorcontainsabuilt-inslabtemperaturesensor.Whilethecontrolcanoperatewithoutaslabsensorinstalled,operatingcostsaremuchhigher.Theslabisoperatedusingslaboutdoorreset.Astheoutdoortemperaturegetscolder,theheatlossoftheslabincreases.Inordertokeeptheslabsurfaceataconstanttemperat