RAIN BIRD ESP-2WIRE Two Wire Controller User Manual

RAIN BIRD ESP-2WIRE Two Wire Controller

Product Information

Specifications:

• Maximum Stations: 50 using 2-Wire path
• Start Times: 6
• Programs: 4
• Program Cycles: Custom Days, Odd, Even, and Cyclic
• Permanent Days Off: By program

Product Usage Instructions

Installation:
Replacing an Existing Controller:

1. Take a photo of the wiring details for reference.
2. Unplug the power cord and disconnect wires from the old controller.

Mounting Controller:

1. Install the controller with the power supply cord exit side pointing downwards.
2. Drive a mounting screw into the wall and hang the controller securely.

Outdoor Installation with Direct Wiring:

1. Route the external power source wires through the conduit opening into the wiring compartment.
2. Connect the power source wires to the transformer connection wires using wire nuts.

2-Wire Installation:

2-Wire Field Wiring Connections:
The controller can support up to two 2-Wire path connections managed as a single path.

New Installation Decoder Address Assignment:
Install field decoders with address numbers in numerical order, starting with the master valve first. Organize and mark each decoder box with its address.

FAQ:

• Q: How many programs can be set on the ESP-2WIRE Controller?
  A: You can set up to 4 programs on the controller.

• Q: Is the Rain Sensor feature supported by the ESP-2WIRE Controller?
  A: Yes, the Rain Sensor feature is supported and can be controlled globally or by station.

Welcome to Rain Bird®
Thank you for choosing Rain Bird’s ESP-2WIRE Controller. In this manual are step-by-step instructions for how to install and operate the ESP-2WIRE.

WiFi Enabled
The LNK2TM WiFi Module allows remote connection to a Rain Bird ESP-2WIRE Controller using an Apple iOS or Android-compatible smart device.

ESP-2WIRE Controller Functions

Installation

Replacing an Existing Controller

1. Take a photo of the wiring details, which will be useful to reference when installing the new controller.
2. Unplug power cord from the AC power outlet and disconnect wires from controller.

Mount Controller

WARNING
Install the controller with the power supply cord exit side pointing downwards and through the leftmost opening at the bottom of the controller.

1. Drive a mounting screw into the wall, leaving an 1/8 inch gap between the screw head and the wall surface (use the supplied wall anchors if necessary).
2. Locate the keyhole slot on back of the controller unit and hang it securely on the mounting screw.
3. Open the front panel, and drive additional screws through the open holes inside the controller and into the wall.

Outdoor Installation with Direct Wiring

WARNING

• Electric shock can cause severe injury or death. Make sure power supply is turned OFF before connecting power wires.
• Ground wire must be connected to provide electrical surge protection.
• Permanently mounted conduit shall be used for connecting main voltage to the controller.
• When using fixed wiring to main supply, the installation must incorporate a disconnection device.

POWER WIRING CONNECTIONS 120 V

• Black supply wire (hot) to the black transformer wire.
• White supply wire (neutral) to the white transformer wire.
• Green supply wire (ground) to the green transformer wire.

1. a Route the three external power source wires through the conduit opening at the bottom of the unit and into the wiring compartment.
2. b Using the provided wire nuts, connect the external power source wires (two power and one ground) to the transformer connection wires inside the wiring compartment.

2-Wire Installation

Overview
The ESP-2WIRE Controller can support up to two 2-Wire path connections. The controller manages multiple connections as a single 2-Wire path.

2-Wire Decoder New Installation

• Decoder Address Assignment
  For easier installation, install fi eld decoders with address numbers in numerical order, starting with the master valve fi rst.
  NOTE: Organize decoders numerically and mark each decoder box with the decoder address.

• Master Valve Address
  If there is no master valve then station #1 will be the lowest address in the decoder sequence.
  For example:

  • Table 1.1 shows a system with NO master valve. Decoder address #10001 is automatically paired to station #1.
  • Table 1.2 shows a system WITH a master valve. Decoder address #10001 is automatically paired to the Master Valve. Decoder address #10002 is then automatically paired to station #1.
  • See Figure 1 for example of decoder addressing with master valve.

• Sequential and Numerical Configuration
  Decoder addresses don’t necessarily have to be in sequential order as long as they’re in numerical order. It’s okay to skip numbers as long as lower numbers come first in the sequence.
  For example:

  • Table 2.1 shows decoders in both sequential and numerical order.
  • Table 2.2 shows decoders out of sequence but still in numerical order.
  • Table 2.3 shows decoders incorrectly out of numerical order.

• NOTE: If decoders were installed out of order, see “Change a Station’s Decoder Address” on page 6.

Place Decoder Address Labels
Apply the decoder barcode labels to the appropriate fields on the Programming Chart that came with your controller.

1. Carefully peel off the 2-Wire decoder barcode label.
   NOTE: Do not remove the label from the carrier still attached to the decoder.

2. Apply the barcode label to an available row corresponding to a station on the programming chart.

Fill Out The Programming Chart
Enter information in the appropriate fields on the Programming Chart.

2-Wire Field Connections

• Connect Decoders to 2-Wire Path

1. Run a length of irrigation wire from the 2-Wire Controller to the farthest valve location.
2. Connect the two blue wires from the 2W-1 Decoder to the two-wire path.
3. Connect the two black wires from the 2W-1 Decoder to a valve solenoid.

NOTICE

• Always place 2-Wire decoders and connections inside a valve box.
• Assure that wires are not exposed after installation.

Connect Field Wiring to Controller

1. Route all field wires through the opening at the bottom or back of the unit.
   WARNING Do not route valve wires through the same opening as power wires.

2. Using a screwdriver, connect the two wire ends of the field wiring to a set of terminals on the ESP-2WIRE Controller.
   NOTE: The controller includes a grounding lug for system grounding at the controller.

Station/Decoder Auto Address Function
Use the Auto Address feature to search for decoders on your system and assign them to station numbers automatically.
Turn the dial to: 2-Wire Settings

1. The display message will scroll:
   PRESS + TO PGM FIELD DEVICES TO ZONE Press to continue.

2. The display message will scroll:
   FIND FIELD DEVICES_PRESS + IF MV USED_PRESS – IF MV NOT USED

   • Press if your system has a master valve. The lowest decoder address will be assigned to the master valve.
   • Press if your system does not have a master valve and the lowest decoder address will be assigned to station #1.

3. The display message will scroll:
   FINDING FIELD DEVICES
   During this sequence, the LED on the backplane of the controller and all decoders connected to the 2-wire path will blink blue.

4. When the search is completed, the display message will scroll:
   XX FOUND PRESS NEXT
   NOTE: If your controller did not find the proper number of decoders, press to proceed and see a list of station and decoder address assignments.

   • Press to continue.
   • Press to scroll through station numbers to review the assigned addresses for each station.
     NOTE: If the decoders were installed in sequential order, the Decoder Auto-Address feature will add them to the lowest station number without a previously assigned decoder address.

Clear or Change a Station’s Decoder Address
Follow these steps to clear or change station/ decoder address assignments.
Turn the dial to: 2-Wire Settings

1. The display message will scroll:
   PRESS + TO PGM FIELD DEVICES TO ZONE

2. Press and HOLD to bypass the FIND process and show the list of currently programmed decoder addresses.

Clear a Station Decoder Address

1. With the station number flashing, press or to select the station/address that you want to clear.
2. Press and hold and simultaneously to erase the station’s address from the configuration.
   • Repeat for all stations as desired.

Gaps in Station Numbering
Clearing a station’s address creates a gap in the station numbering.

For example:
Table 3.1 shows that:

• Station 3 has been cleared, creating a gap in the numbering.
• If new decoders are added to the system later on, then running Auto Address again will cause station 3 to populate first, then stations 7, 8 and so on.

Change a Station’s Decoder Address

1. With the station number flashing, press or to select the station/address that you want to change.
2. Press or to change the station number for the selected address.

Swapping Decoder Addresses In The Existing 2-Wire Configuration
If an existing address was already paired to another station number, then the two stations will “swap” addresses.
For example: Table 4.1 shows that:

• Station 9 has address 20258.
• Station 12 has address 20834.

Moving address 20834 to station number 9 will also cause address 20258 to move to station 12.

• Station 9 will then have address 20834 as shown in Table 4.2.
• Station 12 will then have address 20258.
• No other stations decoder addresses have moved as a result of this “swap”.

Replacing Existing Decoders

Replacing Decoders Within The Existing 2-Wire Configuration
Repeat Station/Decoder Auto Address Function as shown on page 5.
For the station you would like to replace, first Clear a Station Decoder Address as shown on page 6. This will not move any other addresses in the sequence.
Instead, it creates an empty slot for a new decoder to populate.

• Running the Auto Address function again will cause the lowest new decoder address to populate first to the lowest station number that does not currently have an address assigned.

• Existing station addresses remain unchanged.
  For example: Table 5.1 shows that:

• Station 16 and 19 are empty.

After running Auto Address again:

• The first new decoder, with an address of 10134 will populate station 16, as shown in Table 5.2
• The second new decoder, with an address of 21347 will populate station 19.

NOTE: Even though address 10134 is the lowest in the new sequence, the controller assigned it to the lowest available station number, in this case station 16. All addresses that were previously programmed prior to finding new decoder addresses will remain unchanged.

Adding New Station Decoders

• Add New Decoders To The Existing 2-Wire Configuration
  Repeat Station/Decoder Auto Address Function as shown on page 5.

  • The controller will populate the lowest new address it finds to the lowest available station number.

  • Existing station addresses remain unchanged.
    For example:
    Table 6.1 shows that:

  • There are 23 stations in the current configuration.

  • After running Auto Address again:

  • The first new decoder, having an address of 11324 will populate station 24, as shown in Table 6.2.

  • The second new decoder, having an address of 22532 will populate station 25.

  • NOTE: Even though address 11324 is the lowest in the new sequence, the controller assigned it to the lowest available station number, in this case station 24. All addresses that were previously programmed prior to finding new decoder addresses will remain unchanged.

Clear All Decoder Addresses and Repeat Auto Address
Turn the dial to: 2-Wire Settings

1. Press and hold and simultaneously.

2. The display message will scroll: HOLD + TO CLEAR ALL ADDRESSES

3. Press and hold to clear all addresses.

4. The display message will say “DONE” to show the operation has succeeded.

5. The display message will again scroll:
   PRESS + TO PGM FIELD DEVICES TO ZONE

   • Press to continue and repeat the Auto Address process.

ESP-2WIRE Controller Features

Controls and Settings

1. AUTO
   Watering occurs automatically

2. Date/Time
   Set the current Date and Time

3. 2-Wire Settings
   Set 2-Wire settings

4. Start Times
   Up to 6 Start Times per program

5. Run Times
   Set station Run Times

6. Water Days
   Select days to allow watering

7. Weather Sensor
   Set controller to obey or ignore a weather sensor

8. Flow Sensor
   Set controller to obey or ignore a fl ow sensor

9. Seasonal Adjust
   Adjust Run Times from 5% up to 200%

10. Manual Watering
    Start watering for one or all stations

11. OFF
    Disables automatic irrigation

12. Program Selection Button
    Select Program A, B, C or D

13. ALARM
    Indicator

14. / + Buttons
    Adjust feature settings

15. Back/Next Buttons
    Select programming options

16. Hold to Start
    Manual irrigation

Display Indicators

app.

Basic Programming

Auto Mode
AUTO is the normal operating mode. Return the dial to AUTO when programming is complete.

• During Watering:
  The display shows a blinking sprinkler symbol, the active station number or program, and the remaining run time.

• Off
  Turn the dial to OFF to stop automatic irrigation or to cancel all active watering immediately.

NOTICE
Watering will NOT occur if the controller remains in the OFF position.

1. Set Date and Time
   Turn the dial to: Date / Time

2. Press or to select the setting to change.

3. Press or to change the setting value.
   To change the time format (12 hour or 24 hour):

4. With Day of Month blinking, press .

5. Press or to select the desired time format, then press to return to the time setting.

6. Set Watering Start Times
   Up to six Start Times are available for each program.
   Turn the dial to: Start Times

   • Press or to select an available Start Time.
   • Press or to set the selected Start Time (ensure the AM/PM setting is correct).
   • To turn off a start time press until 12:00 AM (00:00 in 24 HR), then press one more time for OFF.

7. Set Station Run Times
   Run Times can be set from one minute up to six hours.
   Turn the dial to: Run Times

8. Press or to select a Station.

9. Press or to set the Run Time for the selected station.

10. Set Water Days
    Custom Days of the Week
    Set watering to occur on specific days of the week.
    Turn the dial to: Water Days

11. Press or to set the selected (blinking) day as either ON or OFF, and to automatically move to the next day.

12. Press or at any time to move the cursor to the previous or next day.

Manual Watering Options

1. Test All Stations
   Start watering immediately for all programmed stations.
   Turn the dial to: Manual Watering

2. Press or to set a Run Time.

3. Press the Hold to Start button.

4. Turn the dial to AUTO after the display shows STARTED.

5. Run a Single Station
   Start watering a single station, or set multiple stations to water in order.
   Turn the dial to: Manual Watering

6. Press or to select the desired station.

7. Press or to set a Run Time.

8. Press the Hold to Start button.

9. Turn the dial back to AUTO

10. Run a Single Program
    Start watering immediately for one program.
    Turn the dial to: AUTO

11. Press the Hold to Start button to begin watering the selected Program.

12. Press the Advance Station button to advance to the next station if desired.

13. To add additional programs to the manual watering queue:
    Turn the dial to: Manual Watering

14. Press Program Select to choose the desired program (if necessary).

15. Press the Hold to Start  button to begin watering the selected program.

16. Turn the dial to AUTO

Advanced Programming

Cyclic Days
Set watering to occur at specific intervals, such as every 2 days, or every 3 days, etc.
Turn the dial to: Water Days

1. On the Custom Days of the Week screen, press until the Cyclic screen is displayed (after SUN).
2. Press or to set the desired DAY CYCLE, then press .
3. Press or to set the DAYS REMAINING before the cycle begins.

Odd or Even Calendar Days
Set watering to occur on all ODD or EVEN calendar days.
Turn the dial to: Water Days

1. Press and hold and until ODD or EVEN is displayed.

Seasonal Adjust
Increase or decrease program run times by a selected percentage (5% to 200%).
Turn the dial to: Seasonal Adjust

1. Press or to increase or decrease Seasonal Adjust for all Programs.
2. To adjust an individual Program, press Program Select to choose the desired Program (if necessary). Press or to increase or decrease Seasonal Adjust for one Program.

Delay Watering
Suspend watering for up to 14 days.
Turn the dial to: AUTO

1. Press and Hold the button to enter the Rain Delay screen.
2. Press or to set the DAYS REMAINING. The NEXT watering day will be updated on the display to indicate when watering will resume.
3. To cancel a Rain Delay, set the DAYS REMAINING back to 0.

Permanent Days Off
Prevent watering on selected days of the week (for Odd, Even or Cyclic programming only).
Turn the dial to: Water Days

1. Press and hold Program Select, then press to set the selected (blinking) day as a Permanent Day Off or press to leave the day ON.

Optional Features

Connect Weather Sensor
Connect both rain sensor wires to the SENSOR terminals as shown.
NOTE: Remove the yellow jumper wire before connecting the sensor wires.

Weather Sensor Settings
Set the controller to obey or ignore a weather sensor.
****Turn the dial to: Weather / Flow Sensors

1. Press or to select SENS ON (sensor on) or SENS OFF (sensor off).

Connect Flow Sensor

• Connect both flow sensor wires to the FLOW terminals, as shown. Be sure to connect the positive (sometimes red) sensor wire to the red (+) terminal and the negative (sometimes black) sensor wire to the gray (-) terminal.
  **If using the LNK2TM WiFi Module and the Rain Bird app, turn on Flow Sensor and learn flow in the controller settings.
  Without Rain Bird app:
  **Turn the dial to: Weather / Flow Sensors

  1. Press or to select FLOW sensors.
  2. Press or to select SENS ON (sensor on) or SENS OFF (sensor off).

ESP-2WIRE Controller Special Features

• Turn the dial to the desired position indicated to access each Special Feature.
• After turning the dial to the desired position, press and hold and at the same time.

1. Save Programming
   Saves current programming for restore later.

2. Troubleshooting
   Find and correct faults or solve problems. See the ESP-2WIRE Troubleshooting Guide for more information.

3. Restore Programming
   Restores the previously saved programming.

4. Set Master Valve By Station
   Allows a station to be controlled by a master valve or pump start relay.

5. Set To Odd Or Even Day Watering
   Set watering to occur on all ODD or EVEN calendar days.

6. Set Rain Sensor Bypass By Station
   Tells a station to obey or ignore a rain sensor.

7. Set Flow Sensor Bypass By Station
   Turns a flow sensor on or off by station.

8. Reset To Factory Defaults
   All programmed schedules will be erased.

9. Set Interstation Delay
   A station delay (from 1 second to 9 hours) ensures that a valve has completely closed before the next one opens. Press Program Select to set delay for different programs.

Options

• Reset Button
  If the controller is not working properly, you can try pressing RESET.
  Insert a small tool such as a paper clip, into the access hole and press until the controller is reset. All previously programmed watering schedules will remain stored in memory.

• Remote Accessories
  

  • LNK2TM WiFi Module Installation
    A 5 pin accessory port is available for Rain Bird-approved external devices, including the LNK2TM WiFi Module.
  1. Insert LNK2 WiFi Module in the Remote Accessory port, located on back of the controller interface panel.

• Detached Programming
  Program the front panel remotely on battery power. The front panel can be removed from the controller and programmed remotely using a 9-volt battery for power.
  NOTE: Decoder addresses cannot be learned when the front panel is removed.

1. Remove the front panel.
2. Install a 9V battery in the battery compartment.
3. Program the controller.  

NOTE: Program information is stored in nonvolatile memory so it is never lost if the front panel loses power.

4. Replace the front panel (refer to Complete Installation in the Installation section).  

Battery Life
If the display repeatedly shows “– — — — –”, or there is no display when using a 9V battery for remote programming, replace the battery.

Safety Instructions

SUPPLIER’S DECLARATION OF CONFORMITY

47 CFR § 2.1077 Compliance Information
Unique identifi er: ESP-2WIRE
Responsible Party – Rain Bird Corporation, 9491 Ridgehaven Court, Suite C, San Diego, CA 92123, USA, www.rainbird.com
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver.
• Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help. Rain Bird Corporation, 6991 East Southpoint Road, Tucson, AZ 85756, USA, www.rainbird.com

Registered trademark of the Rain Bird Corporation
2024 Rain Bird Corporation

NOTICE

• Changes or modifications not expressly approved by Rain Bird could void the user’s authority to operate the equipment.
• Use only Rain Bird-approved accessory devices. Unapproved devices may damage the controller and void the warranty.
• Date and time are retained by a lithium battery which must be disposed of in accordance with local regulations.

WARNING

• This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capacity, or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance.
• If the supply cord is damaged, it must be replaced by the manufacturer, its service agent, or similarly qualified persons in order to avoid a hazard.
• If the power supply unit is damaged, it must be replaced by the power supply unit available from the manufacturer or its service agent.
• Special precautions must be taken when valve wires are located adjacent to, or share a conduit with other wires, such as those used for landscape lighting or other electrical systems.
• Separate and insulate all conductors carefully, taking care not to damage wire insulation during installation. An electrical “short” (contact) between the valve wires and another power source can damage the controller and create a fi re hazard.
• This controller uses a non-replaceable lithium battery. Lithium batteries are hazardous and can cause severe or fatal injuries in 2 hours or less if it is swallowed or placed inside any part of the body. Medical attention should be sought immediately if this is suspected. Keep batteries away from children.
• DO NOT apply power until you have completed and checked all wiring connections.
• DO NOT attempt to link two or more controllers together using a single transformer.

CAUTION

• Only use the provided power supply unit. It provides the voltage required by the controller.
• All electrical connections and wiring runs must comply with local building codes. Some local codes require that only a licensed or certified electrician can install power. Only professional personnel should install the controller. Check your local building codes for guidance.

At Rain Bird, we believe it is our responsibility to develop products and technologies that use water efficiently. Our commitment also extends to education, training and services for our industry and community. The need to conserve water has never been greater. We want to do even more and with your help, we can. Visit www.rainbird.com for more information about The Intelligent Use of Water®.

Rain Bird Corporation
6991 East Southpoint Road
Tucson, AZ 85756
USA
Tel: 520-741-6100

Rain Bird Corporation
970 W. Sierra Madre Ave.
Azusa, CA 91702
USA
Tel: 626-812-3400

Rain Bird International
1000 W. Sierra Madre Ave.
Azusa, CA 91702
USA
Tel: +1 626-963-9311

Rain Bird Turkey
Çamlık Mh. Dinç Sokak Sk. No.4 D:59-60
34760 Ümraniye, İstanbul
TÜRKIYE
Tel: (90) 216 443 75 23
rbt@rainbird.eu
www.rainbird.com.tr

Rain Bird Europe SNC
Rain Bird France SNC
240 rue René Descartes
Bâtiment A, parc Le Clamar
BP 40072
13792 AIX-EN-PROVENCE CEDEX 3
FRANCE
Tel: (33) 4 42 24 44 61
rbe@rainbird.eu
www.rainbird.eu
rbf@rainbird.eu
www.rainbird.fr

Rain Bird Deutschland GmbH
Königstraße 10c
70173 Stuttgart
DEUTSCHLAND
Tel: +49 (0) 711 222 54 158
rbd@rainbird.eu

Rain Bird Ibérica S.A.
C/ Valentín Beato, 22 2ª Izq. fdo
28037 Madrid
ESPAÑA
Tel: (34) 91 632 48 10
rbib@rainbird.eu
www.rainbird.es
portugal@rainbird.eu
www.rainbird.pt

Rain Bird Australia Pty Ltd.
Unit 13, Level1
85 Mt Derrimut Road
PO Box 183
Deer Park, VIC 3023
Tel: 1800 724 624
info@.rainbird.com.au
www.rainbird.com/au

Rain Bird Brasil Ltda.
Rua Marques Póvoa, 215
Bairro Osvaldo Rezende
Uberlândia, MG, Brasil
CEP 38.400-438
Tel: 55 (34) 3221-8210
www.rainbird.com.br

Technical Services (U.S. and Canada only)
1 (800) RAINBIRD
1-800-247-3782
www.rainbird.com

Scan the QR code to go online and visit www.rainbird.com for more information about the ESP-2WIRE and other Rain Bird products.

® Registered trademark of Rain Bird Corporation
© 2024 Rain Bird Corporation

References

• Home - AU | Rain Bird
• Rain Bird | A Global Irrigation Company
• Página Inicial | Rain Bird
• Home - EUR | Rain Bird
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