Toro 2-Wire Installation Manual
Contents
1. power source that controls the master valve or the pump relay to the Master valve Pump relay switch terminal See Figure 6 Step 3 Route another wire from the Master Valve Pump terminal and connect it to the master valve solenoid or pump relay Step 4 Connect the Negative Equipment ground wire of the power source to the master valve solenoid or pump relay Step 5 Place the controller s switch to ON Pressure Sensor Installation The GDC 200 controller is designed to accept a normally closed pressure sensor Step 1 Place the controller s power switch to OFF Step 2 Route the pressure sensor s cable into the controller Step 3 Connect the cable wires to the Pressure Sensor Terminals See Figure 6 Step 4 Place the controller s switch to ON Rain Sensor Installation The GDC 200 controller is designed to accept a normally open rain switch Step 1 Place the controller s power switch to OFF Step 2 Route the rain sensor s cable into the controller Step 3 Connect the cable wires to the Rain Sensor Terminals See Figure 6 Step 4 Place the controller s switch to ON Toro Maintenance Remote TMR Receiver Plug Installation The GDC 200 controller is fully ccompatible with the TMR remote See TMR s User s Guide for operating and mounting instructions Step 1 Place the controller s power switch to OFF Step 2 Route the TMR s receiver plug cable into the controller Step 3 Connect the RJ45 plug into the socket2. shown in Figure 6 Step 4 Connect the power wires into the 28 VAC terminals labeled A in Figure 6 Step 5 Place the controller s switch to ON Lithium Battery Replacement A 3 9V Lithium battery P N 363 2200 is installed in the timing mechanism to sustain the controller s clock time and date for approximately 10 years with no additional power applied 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 Step 1 Place the controller s power switch to OFF Step 2 Remove the ribbon cable from the rear of the timing mechanism Step 3 Remove timing mechanism s circuit board by pushing the retaining clip downward while carefully pulling the PCB board See Figure 6 Step 4 Secure the Lithium battery into the battery socket See Figure 7 Step 5 Reattach the circuit board to the timing mechanism Step 6 Secure the ribbon cable back to the timing mechanism socket Step 8 Place the controller s switch to ON Figure 6 Figure 7 Push Retaining Clip to Release the PCB Disconnect the Ribbon Cable Electromagnetic Compatibility Domestic This equipment has been tested and found to comply with the limits for a FCC Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provi
3. Irrigation Wire Spec P7350D Recommended Decoder to Solenoid cable 14 AWG 2 5mm solid copper 2 conductor direct burial The preferred wire make and model is the Paige Irrigation Wire Spec P7351D AN IMPORTANT Cable Splices In order for the wire connections to comply with the 2005 edition of the National Electric Code Article 300 5 Underground Installations and 110 14 Electrical Connections in wet or damp locations the connector must be listed under specification UL 486D if installed in a valve box It must be listed under specification UL 486D Direct Burial if buried in dirt This requirement applies to all electrical connections in wet or damp locations regardless of voltage The 3M DBY 6 and DBR 6 are listed as UL 486D Direct Burial and meet these requirements for all underground installations Cable Burial Depth The GDC decoder operate at voltages between 30 40 volts The 2005 edition of the National Electrical Code Article 300 5 requires that wires and cables subjected to voltages higher than 30 volts are to have a minimum cover of 24 60 96 cm e Use only wire approved for direct burial if installing the wires underground without conduit e All field wiring splices must be accessible to facilitate troubleshooting and or service Step 1 Route communication cable from the controller to the station decoder module installation location MI The maximum wire length between the controller and the decode
4. TORO count onit GDC 200 Stand Alone Model Installation Instructions Specifications Controls up to 200 stations for the Stand Alone model Input power supply 100 VAC 50 60Hz 120 VAC 50 60Hz 240 VAC 50 60Hz GDC output voltage 40 VAC max GDC output power 98VA max Storage temperature 30C 60C Operating temperature O 60C Cabinet Type Non corrosive lockable wall mount indoor outdoor installation Six 25 4mm conduit openings and one 38mm conduit opening Cabinet Installation Selecting the proper installation site for the GDC is essential to safe and reliable operation The GDC features a weather resistant cabinet designed for indoor or outdoor installation The GDC should be installed on a vertical wall or other sturdy structure near Figure 1 a grounded power source Select a location that shades the controller during the hottest hours of the day and provides as much protection from direct sunlight rain wind and snow as possible DO NOT mount the controller where it is exposed to direct spray from the irrigation system For easy operation and better view of the display install the GDC so that the display is at or slightly below eye level Step 1 Drill two pilot holes 15 25cm apart for the top keyholes of the controller cabinet Step 2 Install the top screws leaving approximately 5 6mm of exposed screw to accommodate the cabinet i MIB If mounting the cabinet on
5. cover of 24 60 96 cm The optional lightning arrester Toro P N DEC SG LINE is available to protect the decoder module in lightning prone areas Without lightning arrester the decoder are vulnerable to lightning damage In order for these arrester to discharge lightning energy efficiently they must be properly grounded Figure 5 illustrates the proper grounding and wiring of the arrester Step 1 Locate decoder s power communication wires black and white wires Disconnect the wire connectors that joins it to the controller to decoder cable Step 2 Strip the insulation from lightning arrester s white wire and connect it to the white wires from the decoder and controller to decoder cable Secure the splices with a water proofed wire connector See Figure 5 Step 3 Strip the insulation from lightning arrester s black wire and connect it to the black wires from the decoder and controller to decoder cable Secure the splices with a water proofed wire connector See Figure 5 Step 4 Connect the lightning arrester s ground wire to the ground plate s wire If the ground plate is not pre wired use a 10 AWG bare copper wire See Figure 5 IMPORTANT Verify that the wire length between the lightning arrester and the ground plate is no less than 3 91 44 cm Longer lengths will decrease the lightning arrester s effectiveness Step 5 Bury the Ground plate next to the valve box or decoder s location Set it at the maximu
6. d Power Source Installation 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 Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Table 1 Turn off the power at the power source location and place the controller s power switch to OFF Connect and route the appropriate size 3 conductor cable 10 AWG 2 5mm maximum from the power source to the controller cabinet The provided power cable access hole can accommodate a 1 25mm conduit fitting If conduit is required install a section of flexible 1 25mm electrical conduit from the power source conduit box to the cabinet s access hole Open the cabinet door and remove the two retaining screws from the power supply cover Locate the voltage cable assembly and note the voltage on the label The GDC is equipped with 120V cable assembly from the factory Replace the voltage cable assembly with the proper rating as necessary See Figure 3 Strip the power cables and secure th
7. de reasonable protection against harmful interference when the equipment is operated in a commercial environment The equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to the radio communications Operation in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense International This is a CISPR 22 Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures Each stations can activate up to two solenoids 2009 The Toro Company Irrigation Division e An ISO 9000 Certified Facility Form Number 373 0446 Rev B
8. dry wall or 15 25em __ masonry install the appropriate type of screw anchors or fasteners to ensure secure installation 23 175cm Step 3 Hang the cabinet using the top keyhole slots See Figure 1 Step 4 Open the cabinet door and install the bottom two l screws to secure the cabinet Earth Ground Installation IMPORTANT The GDC surge protection components cannot properly function unless an efficient pathway to earth ground is provided The ground path must be as direct as possible without sharp bends and must not exceed 30 Ohm resistance when measured with an earth ground resistance device All electrical components throughout the irrigation system should be grounded similarly to provide the same ground potential The following instructions depict one of several acceptable earth grounding methods Due to variables in soil composition and terrain the method shown may not be suitable for your installation site Contact your local Toro distributor for assistance and availability of the required earth ground resistance test instrument Step 1 Drive a 5 8 x 8 17mm x 2 5m copper clad steel rod into well moistened soil not less than 8 2 5m or not more than 12 3 7m from the controller cabinet The top of the ground rod should be 12 30 5cm below grade level See Figure 2 Step 2 Using a 5 8 17mm clamp or Cad weld fastener attach an 8 AWG 8mm solid copper wire near the top of the ground
9. em to the terminal block Reference Table 1 for the appropriate type of power connection Reinstall the power supply cover Apply power to the controller Flexible Conduit Optional 100 120 VAC Domestic Hot Black Neutral White 220 240 VAC International Hot Brown Neutral Blue Green Yellow 240 V Voltage Cable Assembly Neutral Equipment Figure 3 100 V Ground Station Decoder Installation The station decoder module is available in 1 station 2 station or 4 station configuration The decoder modules are installed into the GDC output board terminals The GDC model can handle up to 100 stations per output board These stations can be connected to the output board terminals in any configuration 25 stations connected to each of the four terminal pairs or 100 stations connected to one terminal pair etc The decoder modules can be connected in parallel anywhere on the two wire communication line connected to the station terminals Each station can activate up to two solenoids It is recommended that the decoder modules are installed in an approved valve box to provide easy access to the wiring Use high voltage waterproofing to all the wire connections Recommended Controller to Decoder cable 14 AWG 2 5mm solid copper jacketed 2 conductor direct burial The preferred wire make and model is the Paige
10. m depth that the ground wire would allow Surround the ground plate with 50 Ibs 2 68 Kg of Earth contact material such as PowerSet Paige Electric part number 1820058 Step 6 Check the system for proper operation Figure 5 Use Paige P7351D for Decoder to Solenoid Communication Wiring Toro Decoder Module Lightning Arrester Toro P N DEC SG LINE Paige P7350D Controller to Decoder Communication Cable A 3 91 4 cm Minimum Distance Between the Arrester and the Ground Plate Y 4 x 36 10 16 cm x 91 44 cm Ground Plate Surrounded by 50 Ibs 2 68 Kg of PowerSet Figure 6 C mE BHEES R ay a Te i Pressure Sensor a Maintenance i Terminals Remote TMR Vere eas AAN Receiver Plug QOO Master Valve Pump Relay W Switch Terminals The 28VAC Label A can also be used to power the ae Opec lel Toro Wireless Rain Sensor TWRS TWRFS receiver Master valve 24 Volts Transformer Voltage Source must not exceed 3 Amps Max 28 Volts Max N Rain Sensor Pressure Sensor or Pump Relay Master Valve Pump Relay Installation GDC provide switch terminals to control a master valve or a pump relay if the system requires it Step 1 Place the controller s power switch to OFF Step 2 Connect the Positive Hot wire of the
11. onductor Direct Burial cable m TTT luli Valve Box MI When possible install the decoder module in a valve box for ease of service M To easily identify stations for troubleshooting install wires with the same color code as the station wires U Um Opt il Ol 0 Output Board Maximum communication wire length between the controller and the farthest decoder is 15 000ft 4500m Recommended Cable for Controller to Decoder is the Paige P7350D 14 AWG Solid Copper Jacketed 2 Conductor Direct Burial cable Grounding Communication Cable IMPORTANT Cable Splices In order for the wire connections to comply with the 2005 edition of the National Electric Code Article 300 5 Underground Installations and 110 14 Electrical Connections in wet or damp locations the connector must be listed under specification UL 486D if installed in a valve box It must be listed under specification UL 486D Direct Burial if buried in dirt This requirement applies to all electrical connections in wet or damp locations regardless of voltage The 3M DBY 6 and DBR 6 are listed as UL 486D Direct Burial and meet these requirements for all underground installations Cable Burial Depth The GDC decoder operate at voltages between 30 40 volts The 2005 edition of the National Electrical Code Article 300 5 requires that wires and cables subjected to voltages higher than 30 volts are to have a minimum
12. r module is 15 000 4500m Step 2 Secure the communication wires to terminal 1 of the GDC output board White wire onto the 1st terminal and black wire onto the second terminal See Figure 4 Step 3 Install the decoder module in a valve box Record the decoder module s address number found on the side label This address number identifies the station s that the decoder module control Step 4 Secure the communication wires to the decoder module s black and white wires Connect the black communication wire to the black decoder module wire Connect the remaining communication wire white to the white decoder module wire Use proper water proofing method for all wire connections Step 5 Route output wires from the decoder module to the solenoid EEE The maximum wire length between the decoder module and the solenoid is 410 125m Step 6 Connect the solenoid wires to the decoder module s station wires The station wires are color coded for easy identification Connect the solid colored red green orange or blue station wire to the red white solenoid wire Connect the similar color station wire with black stripe to the black solenoid wire Waterproof all wire connections Step 7 Connect an additional solenoid to the station wire as necessary MI Each station has a maximum load of two solenoids for pressure up to 150 PSI or 10 bar One solenoid per station loading for pressure exceeding 150 PSI or 10 bar Step 8 Repeat S
13. rod Avoiding wire bends of less than 8 20 3cm radius and more than 90 route the wire through conduit and into the cabinet Secure the wire to the copper ground lug MAI Make sure the soil surrounding the ground rod s remains well moistened at all times The addition of some form of irrigation may be required if the cabinet is installed in a non irrigated location Step 3 Measure the ground resistance per the instructions provided with the ground test instrument A reading of 0 0 Ohm is optimum up to 10 Ohm is good and 11 30 Ohm is acceptable in most cases If the resistance exceeds the acceptable limit additional ground rod s can be installed at a distance equal to twice the buried depth of the first rod i e 16 4 9m Interconnect the ground rods using 8 AWG 8mm solid copper wire and test again If the measured ground resistance continues to read above the acceptable limit contact your local Toro distributor for further assistance and recommendations MB installing a round valve box over the ground rod enables the ground rod to be easily located as well as providing access to the ground wire connection s Figure 2 Ground Lug 8 AWG 8mm Solid Copper Ground Wire Mtl A dtc dadi Valve Box bT i l 12 30 5cm 8 20 3cm Minimum Radius lt gaz l d 2 4m 3 7m 90 Minimum Angle Ground Wire To Additional Rod s Copper Clad Optional Ground Ro
14. teps 3 8 for additional decoder modules Solenoid White Power Communication Wire Black Power Communication Wire Station 1 Solid Red Station Wire Connect to the Red White solenoid wire Station 2 Solid Green Station Wire Connect to the Red White solenoid wire Station 3 Solid Orange Station Wire Connect to the Red White 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 DC Latching Red with Black Stripe Station Wire Connect to the Black solenoid wire Green with Black Stripe Station Wire Connect to the Black solenoid wire Orange with Black Stripe Station Wire Connect to the Black solenoid wire Figure 4 Ugh gt gt Each station can activate up PARALELE to two DC Latching Solenoids 1 Station e Je Decoder Module l Station Wires Out to additional decoder modules The GDC output board can accommodate up to 100 stations The decoder modules can be connected in any configuration using the four station terminals The maximum communication wire length between the decoder module and the solenoid is 410ft 125m Recommended Cable for Decoder to Solenoid is the Paige P7351D 14 AWG Solid Copper 2 C
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