Specifications:• Controlsupto200stationsforthe Stand-Alonemodel

• Inputpowersupply: 100VAC,50/60Hz 120VAC,50/60Hz 240VAC,50/60Hz

• GDCoutputvoltage:40VDCmax.• GDCoutputpower:75VAmax.• Storagetemperature:-22ºF–140ºF(-30ºC–60ºC)• Operatingtemperature:32ºF–140ºF(0ºC–60ºC)• CabinetType:Non-corrosive,lockablewallmount, indoor/outdoorinstallation

• Six1"(25.4mm)conduitopeningsandone11/2"(38mm)conduitopening

Cabinet InstallationSelectingtheproperinstallationsitefortheGDCisessentialtosafeandreliableoperation.TheGDCfeaturesaweatherresistantcabinetdesignedforindoororoutdoorinstallation.TheGDCshouldbeinstalledonaverticalwallorothersturdystructurenear agroundedpowersource.Selectalocationthatshadesthecontrollerduringthehottesthoursofthedayandprovidesasmuchprotectionfromdirectsunlight,rain,windandsnowaspossible.DONOTmountthecontrollerwhereitisexposedtodirectsprayfromtheirrigationsystem.Foreasyoperationandbetterviewofthedisplay,installtheGDCsothatthedisplayisatorslightlybeloweyelevel.

Step 1 – Drilltwopilotholes6"(15.25cm)apartforthetopkeyholesofthecontrollercabinet.

Step 2 – Installthetopscrewsleavingapproximately1/4"(5–6mm)ofexposedscrewtoaccommodatethecabinet.

Ifmountingthecabinetondrywallormasonry,installtheappropriatetypeofscrewanchorsorfastenerstoensuresecureinstallation.

Step 3 – Hangthecabinetusingthetopkeyholeslots. SeeFigure 1.

Step 4 – Openthecabinetdoorandinstallthebottomtwoscrewsto securethecabinet.

GDC 200 Installation InstructionsStand-Alone Model

6" (15.25cm)

9 1/8" (23.175cm)

Figure 1

Earth Ground InstallationIMPORTANT!TheGDCsurgeprotectioncomponentscannotproperlyfunctionunlessanefficientpathwaytoearthgroundisprovided.Thegroundpathmustbeasdirectaspossible,withoutsharpbendsandmustnotexceed30Ohm

resistance(whenmeasuredwithanearthgroundresistancedevice).Allelectricalcomponentsthroughouttheirrigationsystemshouldbegroundedsimilarlytoprovidethesamegroundpotential.Thefollowinginstructionsdepictoneofseveralacceptableearthgroundingmethods.Duetovariablesinsoilcompositionandterrain,themethodshownmaynotbesuitableforyourinstallationsite.ContactyourlocalTorodistributorforassistanceandavailabilityoftherequiredearthgroundresistancetestinstrument.

Step 1 – Drivea5/8"x8'(17mmx2.5m)copper-cladsteelrodintowellmoistenedsoilnotlessthan8'(2.5m)ornotmorethan12'(3.7m)fromthecontrollercabinet.Thetopofthegroundrodshouldbeflushwithorbelowgroundlevel,shouldbeprotectedfromdamageusingavalvebox.SeeFigure 2.

Step 2 – Usinga5/8"(17mm)clampor“Cadweld”fastener,attachan8AWG(8mm2)solidcopperwirenearthetopofthegroundrod.Avoidingwirebendsoflessthan8"(20.3cm)radiusandmorethan90º,routethewirethroughconduitandintothecabinet.Securethewiretothecoppergroundlug.

Makesurethesoilsurroundingthegroundrod(s)remainswellmoistenedatalltimes.Theadditionofsomeformofirrigationmayberequiredifthecabinetisinstalledinanon-irrigatedlocation.

Step 3 – Measurethegroundresistancepertheinstructionsprovidedwiththegroundtestinstrument.Areadingof 0.0Ohmisoptimum,upto10Ohmisgoodand11–30Ohmisacceptableinmostcases.Iftheresistanceexceedstheacceptablelimit,additionalgroundrod(s)canbeinstalledatadistanceequaltotwicetheburieddepthofthefirstrod;i.e.,16'(4.9m).Interconnectthegroundrodsusing8AWG(8mm2)solidcopperwireandtestagain.Ifthemeasuredgroundresistancecontinuestoreadabovetheacceptablelimit,contactyourlocalTorodistributorforfurtherassistanceandrecommendations.

Installingaroundvalveboxoverthegroundrodenablesthegroundrodtobeeasilylocatedaswellasprovidingaccesstothegroundwireconnection(s).

Ground Lug

Valve Box 8 AWG (8mm2) Solid Copper Ground Wire

Copper Clad Ground Rod

Ground Wire To Additional Rod(s) (Optional)

8'–12'(2.4m – 3.7m)

8" (20.3cm) Minimum Radius

90º Minimum Angle

Figure 2

Power Source Installation

Step 1 – Turnoffthepoweratthepowersourcelocationandplacethecontroller’spowerswitchtoOFF.Connectandroutetheappropriatesize3-conductorcable(14AWG[2.5mm2]maximum)fromthepowersourcetothecontrollercabinet.

Theprovidedpowercableaccessholecanaccommodatea1"(25mm)conduitfitting.Ifconduitisrequired,installasectionofflexible1"(25mm)electricalconduitfromthepowersourceconduitboxtothecabinet’saccesshole.

Step 2 – Openthecabinetdoorandremovethetworetainingscrewsfromthepowersupplycover.Step 3 – Stripthepowercablesandsecurethemtotheterminalblock.ReferenceTable 1fortheappropriatetypeofpower

connection.Step 4 – Reinstallthepowersupplycover.Step 5 – Applypowertothecontroller.

WARNING! AC POWER WIRING MUST BE INSTALLED AND CONNECTED BY QUALIFIED PERSONNEL ONLY. ALL ELECTRICAL COMPONENTS AND INSTALLATION PROCEDURES MUST COMPLY WITH ALL APPLICABLE LOCAL AND NATIONAL ELECTRICAL CODES. SOME CODES MAY REQUIRE A MEANS

OF DISCONNECTION FROM THE AC POWER SOURCE, INSTALLED IN THE FIXED WIRING, HAVING A CONTACT SEPARATION OF AT LEAST 3mm IN THE LINE AND NEUTRAL POLES. ENSURE THE AC POWER SOURCE IS OFF PRIOR TO SERVICING. FAILURE TO COMPLY MAY RESULT IN SERIOUS INJURY DUE TO ELECTRICAL SHOCK HAZARD.

Flexible Conduit (Optional)

Figure 3

Line

Neutral

Equipment Ground

See Table 1

Station Decoder InstallationThestationdecodermoduleisavailablein1-station,2-station,or4-stationconfiguration.Thestand-aloneGDCmodelcanhandleupto100stationsperoutputboard.Thesestationscanbeconnectedtotheoutputboardterminalsinanyconfiguration(25stationsconnectedtoeachofthefourterminalpairsor100stationsconnectedtooneterminalpair,etc.).Thedecodermodulescanbeconnectedinparallelanywhereonthetwo-wirecommunicationlineconnectedtothestationterminals.Eachstationcanactivateuptotwosolenoids.

WhenaTri-CommCellularmodemisinstalledinthe2ndoutputboardposition,themaximumnumberofstationsonthe1stoutputboardisincreasedupto200stations.Itisrecommendedthatthedecodermodulesareinstalledinanapprovedvalveboxtoprovideeasyaccesstothewiring. Use3MDBR/Ytowaterproofallconnectors.Recommended Controller-to-Decoder cable:14AWG(2.5mm2),solidcopper,jacketed2-conductor,directburial. ThepreferredwiremakeandmodelisthePaigeIrrigationWire,SpecP7350D.Recommended Decoder-to-Solenoid cable:14AWG(2.5mm2),solidcopper,2-conductor,directburial.ThepreferredwiremakeandmodelisthePaigeIrrigationWire,SpecP7351D.

Burial DepthTororecommendsthattheController-to-DecoderandDecoder-to-Solenoidcablesshouldhaveaminimumcoverof6"(150mm).Theirrigationplanmayspecifyadditionaldepthtobeconsistentwiththedepthofmainlineorlateralpipeworkand/orsoilconditioningproceduressuchasaeration.Installationproceduresmustcomplywithallapplicablelocalandnationalelectricalcodes.•Useonlywireapprovedfordirectburialifinstallingthewiresundergroundwithoutconduit.•Allfieldwiringsplicesmustbeaccessibletofacilitatetroubleshootingand/orservice.

Step 1 – Routecommunicationcablefromthecontrollertothestationdecodermoduleinstallationlocation. Themaximumwirelengthbetweenthecontrollerandthedecodermoduleis15,000'(4500m).Step 2 – Securethecommunicationwirestoterminal1oftheGDCoutputboard.Whitewireontothe1stterminalandblack

wireontothesecondterminal.SeeFigure 4.Step 3 – Installthedecodermoduleinavalvebox.Recordthedecodermodule’saddressnumberfoundonthesidelabel.

Thisaddressnumberidentifiesthestation(s)thatthedecodermodulecontrol.Step 4 – Securethecommunicationwirestothedecodermodule’sblackandwhitewires.Connecttheblackcommunication

wiretotheblackdecodermodulewire.Connecttheremainingcommunicationwire(redorwhite)tothewhitedecodermodulewire.Use3MDBR/Ytoproperlywater-proofallwireconnections.

Step 5 – Routeoutputwiresfromthedecodermoduletothesolenoid. Themaximumwirelengthbetweenthedecodermoduleandthesolenoidis410'(125m).Step 6– Connectthesolenoidwirestothedecodermodule’sstationwires.Thestationwiresarecolorcodedforeasy

identification.Connectthesolidcolored(red,green,orangeorblue)stationwiretothered/whitesolenoidwire.Connectthesimilarcolorstationwirewithblackstripetotheblacksolenoidwire.Use3MDBR/Ytoproperlywater-proofallwireconnections.

Step 7 – Connectanadditionalsolenoidtothestationwireasnecessary. Eachstationhasamaximumloadoftwosolenoids.Step 8 – RepeatSteps3–8foradditionaldecodermodules.

Paths – 1 2 3 4

Valve Box

Maximum communication wire length between the controller and the farthest decoder is 13,600' (4,145m).

Wh

ite

Bla

ck

Wh

ite

Bla

ck

Wh

ite

Bla

ck

Wh

ite

Bla

ck

The maximum communication wire length between the decoder module and the solenoid is 410' (125m).Recommended Cable for Decoder-to-Solenoid is the Paige® P7351D, 14 AWG, Solid Copper, 2-Conductor, Direct Burial cable.

To easily identify stations for troubleshooting, install wires with the same color code as the station wires.

Output Board

White Power/Communication Wire Black Power/Communication Wire

Station 1 Solid Red Station Wire - Connect to the Red/White solenoid wire Red with Black Stripe Station Wire - Connect to the Black solenoid wire

Station 2 Solid Green Station Wire - Connect to the Red/White solenoid wire Green with Black Stripe Station Wire - Connect to the Black solenoid wire

Station 3 Solid Orange Station Wire - Connect to the Red/White solenoid wire Orange with Black Stripe Station Wire - Connect to the Black solenoid wire

Station 4 Solid Blue Station Wire - Connect to the Red/White solenoid wire Blue with Black Stripe Station Wire - Connect to the Black solenoid wire

Each station can activate up to two DC Latching Solenoids.

Out to additional decoder modulesStation Wires

The GDC output board can accommodate up to 100 stations- . The decoder modules can be connected in any configuration using the four output paths.

1-Station Decoder Module

When possible, install the decoder module in a valve box for ease of service.

DC Latching Solenoid

Red

Black

Recommended Cable for Controller-to-Decoder is the Paige® P7350D, 14 AWG, Solid Copper, Jacketed 2-Conductor, Direct Burial cable.

Figure 4

Grounding Communication CableThelightningarrester(ToroP/NDEC-SG-LINE)isrequiredtoprotectthedecodermodulefromlightning.Withoutlightningarresters,thedecodersarevulnerabletolightningdamage.Inorderforthesearrestertodischargelightningenergyefficiently,theymustbeproperlygrounded.Tobeeffective,aresistanceof10Ohmsorlessmustbeachievedateachearthgroundpoint.Figure 5illustratesthepropergroundingandwiringofthearrester.

Step 1 – Locatedecoder’spower/communicationwires(blackandwhitewires).Step 2 – Striptheinsulationfromlightningarrester’swhitewireandconnectittothewhitewiresfromthedecoderand

controller-to-decodercable.Use3MDBR/Ytoproperlywater-proofallwireconnections.(SeeFigure 5.)Step 3 – Striptheinsulationfromlightningarrester’sblackwireandconnectittotheblackwiresfromthedecoderand

controller-to-decodercable.Use3MDBR/Ytoproperlywater-proofallwireconnections.(SeeFigure 5.)Step 4 – Connectthelightningarrester’sgroundwiretothegroundrodorplate’swire.Ifthegroundrodorplateisnotpre-

wired,usea10AWGbarecopperwire.(SeeFigure 5.)IMPORTANT! If using a ground rod, verify that the straight line distance between the lightning arrester/decoders and the ground rod is 8' (2.5m) +/– 10%. If using a 3' (1m) ground plate, the straight line distance should be 3' (1m) +/– 10%.

Step 5 – Ifnecessary,usegroundenhancementmaterial(GEM)toattainaresistanceof10Ohmsorless.Step 6 – Checkthesystemforproperoperation.

SeeDetailA

D

A

B

C

GolfSprinklerwithDecoder

Detail A

8'(2.5m)(+/–10%)betweenthearresterandthegroundrodor3'(+/–10%)distance

betweenarrestorandgroundplate.

LightningArrester ToroP/N

DEC-SG-LINE

ToroDecoder Module

Maximumof1000'(300m)ofpopulatedcommunicationlinebetweengroundpoints

A=500'(150m)MaxB+C=500'(150m)MaxD=1000'(300m)Max

Ensureamaximumof10Ohmsresistanceforeachearthground.

Figure 5

Pressure Sensor InstallationTheGDCcontrollerisdesignedtoacceptbothnormally-openandnormally-closedpressuresensor.SetthepressuresensormodelinGDCcontrollerpreferencemenu.

Step 1 – Placethecontroller’spowerswitchtoOFF.Step 2 – Routethepressuresensor’scableintothecontroller.Step 3 – ConnectthecablewirestothePressureSensorTerminalslabeledAinFigure 6.Step 4 – Placethecontroller’sswitchtoON.

Rain Sensor InstallationTheGDCcontrollerisdesignedtoacceptbothnormally-openandnormally-closedrainswitch.SettherainswitchmodelinGDCcontrollerpreferencemenu.

Step 1 – Placethecontroller’spowerswitchtoOFF.Step 2 – Routetherainsensor’scableintothecontroller.Step 3 – ConnectthecablewirestotheRainSensorTerminalslabeledBinFigure 6.Step 4 – Placethecontroller’sswitchtoON.

Master Valve / Pump Relay InstallationGDCprovideswitchterminalstocontrolamastervalveorapumprelayifthesystemrequiresit.

Step 1 – Placethecontroller’spowerswitchtoOFF.Step 2 – ConnectthePositive/Hotwireofthepowersourcethatcontrolsthemastervalveor

thepumprelaytotheMastervalve/Pumprelayswitchterminal.SeeFigure 6, D.Step 3 – RouteanotherwirefromtheMasterValve/Pumpterminalandconnectittothe

mastervalvesolenoidorpumprelay.Step 4 – ConnecttheNegative/Equipmentgroundwireofthepowersourcetothemaster

valvesolenoidorpumprelay.Step 5 – Placethecontroller’sswitchtoON.

Toro Maintenance Remote (TMR) Receiver Plug InstallationTheGDCcontrollerisfullyccompatiblewiththeTMRremote.SeeTMR’sUser’sGuideforoperatingandmountinginstructions.

Step 1 – Placethecontroller’spowerswitchtoOFF.Step 2 – RoutetheTMR’sreceiverplugcableintothecontroller.Step 3 – ConnecttheRJ45plugintothesocketlabeledEinFigure 6.Step 4 – Connectthepowerwiresintothe+24VDCterminalslabeledFinFigure 6.Step 5 – Placethecontroller’sswitchtoON.

Figure 6

AB

C

DE

F

G

D

A

B

E

F

Figure 7

Figure 8

Figure 9

Figure 10

Tri-Comm Cellular Modem InstallationTheGDCwithTri-CommhastheabilitytoacceptcommandsthroughtheTri-CommcellularModem.Throughawebinterface,userscanhavetheabilitytooperatethestand-aloneGDCremotely.

Step 1 – Placethecontroller’spowerswitchtoOFF.Step 2 – Usingthe2nddaughterboardsocket(Figure 6,G)installtheTri-Commmodem.Step 3 – Securethemodemontothecabinetwithfourretainingscrews.Step 4 – RoutetheTri-Commantennatotheoutsideofthecabinet.Peeltheantennaadhesiveand

installonthesideofthecabinet.Step 5 – Placethecontroller’sswitchtoON.

When the Tri-Comm Cellular modem is installed in the 2nd output board position, the maximum number of stations on the 1st output board is increased up to 200 stations.

Lithium Battery ReplacementA3.9VLithiumbattery(P/N363-2200)isinstalledinthetimingmechanismtosustainthecontroller’sclocktimeanddateforapproximately10-yearswithnoadditionalpowerapplied.

Step 1 – Placethecontroller’spowerswitchtoOFF.Step 2 – Removetheribboncablefromtherearofthetimingmechanism.Step 3 – Removetimingmechanism’scircuitboardbypushingtheretainingclipdownwardwhilecarefullypullingthePCB

board.SeeFigure 12.Step 4 – SecuretheLithiumbatteryintothebatterysocket.SeeFigure 13.Step 5 – Reattachthecircuitboardtothetimingmechanism.Step 6 – Securetheribboncablebacktothetimingmechanismsocket.Step 8 – Placethecontroller’sswitchtoON.

Electromagnetic CompatibilityDomestic: ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaFCCClassAdigitaldevice,pursuanttopart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainstharmfulinterferencewhentheequipmentisoperatedinacommercialenvironment.Theequipmentgenerates,uses,andcanradiateradiofrequencyenergyand,ifnotinstalledandusedinaccordancewiththeinstructionmanual,maycauseharmfulinterferencetotheradiocommunications.Operationinaresidentialareaislikelytocauseharmfulinterferenceinwhichcasetheuserwillberequiredtocorrecttheinterferenceathisownexpense.International: ThisisaCISPR22ClassAproduct.Inadomesticenvironment,thisproductmaycauseradiointerference,inwhichcasetheusermayberequiredtotakeadequatemeasures.Eachstationscanactivateuptotwosolenoids.Thisproduct,utilizingaClass2transformertestedtoUL1585,satisfiestherequirementsofaClass2PowerSourceasdefinedintheNFPA70(NEC),Article725.121(A)(3).

©2011TheToroCompany,IrrigationDivision•AnISO-9000-CertifiedFacility FormNumber373-0718rev.A

WARNING! DANGER OF EXPLOSION IF BATTERY IS INSTALLED INCORRECTLY. REPLACE ONLY WITH THE SAME OR EQUIVALENT TYPE OF BATTERY. ALWAYS DISPOSE OF USED BATTERIES ACCORDING TO THE MANUFACTURER’S INSTRUCTIONS.

Push Retaining Clip to Release the PCB

Disconnect the Ribbon Cable

EFigure 11

Figure 12 Figure 13