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

©2015 680_D-10/15 8of48

• 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

©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).

15of48 ©2015 680_D-10/15

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.

©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

17of48 ©2015 680_D-10/15

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.

©2015 680_D-10/15 18of48

Symbols

!WARNING SYMBOLThecontrolhasaerrormessage.Pressthewarningsymboltodeterminetheerrorcodeandinformationonhowtotakecorrectiveaction.RefertotheTroubleshootingsectionforalistoferrorcodes.

Help Screen

ThedisplayincludesaHelpscreenforeachsetting.TheHelpscreenprovidesadescriptionofthesettingthatisidenticaltothedescriptionfoundintheInstallationandOperationManual.

Status Menu Navigation

Step1:PresstheStatusbuttonontheHomeScreen.Step2:PresseithertheSystemorSlabbutton.Step3:Pressupordownbuttonstoscrollthroughthelist.

19of48 ©2015 680_D-10/15

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

©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

21of48 ©2015 680_D-10/15

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)

©2015 680_D-10/15 22of48

Settings Menu Navigation

Step1:PresstheSettingsbuttonontheHomeScreen.Step2:Pressoneofthesixbuttons.Step3:Pressupordownbuttonstoscrollthroughthelist.Step4:Pressthehighlightedsettingnametochangethesettingvalue.

IntheBASmenu,settingsusinganumberkeypadrequiretouchingthenumberfieldandthenpressingthe"Clear"buttonbeforeenteringthenumber.

23of48 ©2015 680_D-10/15

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

©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

25of48 ©2015 680_D-10/15

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)

©2015 680_D-10/15 26of48

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