Rain Bird ESP-ME3 Controller Manual (2024)

Contents

  • 1 Hazardous Warnings
  • 3 Technical Support
  • 4 Introduction
    • 4.1 The Intelligent Use of Water
    • 4.2 ESP-ME3 Controller Features
      • 4.2.1 WiFi Enabled
  • 5 Installation
    • 5.1 Mount Controller
      • 5.1.1 Connect Valves
      • 5.1.2 Connect Master Valve (optional)
      • 5.1.3 Connect Pump Start Relay (optional)
      • 5.1.4 Connect Flow Sensor (optional)
        • 5.1.4.1 Flow Sensor Settings
      • 5.1.5 Connect Weather Sensor (optional)
        • 5.1.5.1 Weather Sensor Settings
      • 5.1.6 Connect Power
        • 5.1.6.1 Installation with Pre-attached Cord
        • 5.1.6.2 Outdoor Installation with Direct Wiring
    • 5.2 Station Expansion Modules
      • 5.2.1 Install Modules
      • 5.2.2 Station Numbering
    • 5.3 Complete Controller Installation
  • 6 Normal Operation
    • 6.1 Controls and Features
      • 6.1.1 AUTO
      • 6.1.2 OFF
    • 6.2 Display Indicators
  • 7 Basic Programming
    • 7.1 Set Date and Time
    • 7.2 Set Watering Start Times
    • 7.3 Set Station Run Times
    • 7.4 Set Water Days
      • 7.4.1 Custom Days of the Week
    • 7.5 Program-Based Scheduling
      • 7.5.1 Common Programming Error
  • 8 Manual Watering Options
    • 8.1 Test All Stations
    • 8.2 Run a Single Station
    • 8.3 Run a Single Program
  • 9 Advanced Programming
    • 9.1 Odd or Even Calendar Days
    • 9.2 Cyclic Days
    • 9.3 Seasonal Adjust
    • 9.4 Delay Watering
    • 9.5 Permanent Days Off
  • 10 Special Features
  • 11 Options
    • 11.1 Reset Button
    • 11.2 Remote Accessories
    • 11.3 Detached Programming
    • 11.4 Battery Life
  • 12 Appendix
    • 12.1 Troubleshooting
      • 12.1.1 Error Detection
      • 12.1.2 Programming Errors (blinking LED)
      • 12.1.3 Electrical Errors (non-blinking LED)
      • 12.1.4 Flow Alarms
      • 12.1.5 Watering Issues
      • 12.1.6 Electrical Issues (solid LED illuminated)
    • 12.2 Certifications
    • 12.3 Safety Information
  • 13 Videos
    • 13.1 Rain Bird ESP-ME3 Basic Programming (video)
    • 13.2 Rain Bird ESP-ME3 Advanced Programming (video)
  • 14 Documents / Resources
    • 14.1 References
    • 14.2 Download manual

Rain Bird ESP-ME3 Controller Manual

Rain Bird ESP-ME3 Controller Manual (1)

Rain Bird ESP-ME3 Controller Manual (2) LNK™ Ready

Hazardous Warnings

Rain Bird ESP-ME3 Controller Manual (3)
Indicates a hazardous situation that, if not avoided, could result in death or serious injury.

Rain Bird ESP-ME3 Controller Manual (4)
Indicates a hazardous situation that, if not avoided, could result in minor or moderate injury.

NOTICE
Indicates information considered important, but not hazard-related (e.g., messages relating to property damage).

SAFETY INSTRUCTIONS
Specific safety-related instructions or procedures are described.

Symbols & User Operation

Rain Bird ESP-ME3 Controller Manual (5) NUMBERS define a series of steps for the user to follow in order to operate the controller.
Rain Bird ESP-ME3 Controller Manual (6) NOTE: Notifies the user of important operating instructions related to controller functionality, installation or maintenance.
Rain Bird ESP-ME3 Controller Manual (7) REPEAT: Indicates that a repetition of previous steps or actions may be required for further operation, or to complete a process.

Technical Support

Questions?
Call Rain Bird toll free Technical Support at 1-800-724-6247 (USA and Canada only)

Introduction

The Intelligent Use of Water®

We believe it is our responsibility at Rain Bird to develop products that use water efficiently.

ESP-ME3 Controller Features

Feature Description
Maximum Stations 22 (with optional Station Modules)
Master Valve or Pump Start Relay Supported
Start Times 6
Programs 4
Program Cycles Custom Days, Odd, Even and Cyclic
Permanent Days Off By program
Master Valve Control On/Off per station
Rain Delay Supported
Rain/Freeze Sensor Supported
Rain Sensor Control Global or by station
Seasonal Adjust Global or by program
Manual Watering Run Yes
Manual Program Run Yes
Manual Test All Stations Yes
Short Detect Yes
Delay Between Stations Set by program
Accessory Port Yes (5 pin)
Save & Restore Programming Yes
Station Advance Yes
LNK™ WiFi Module Supported
Flow Sensor Supported
Cycle+Soak™ Supported in Rain Bird App via LNK™ WiFi Module

WiFi Enabled

The LNK™ WiFi Module allows remote connection to a Rain Bird ESP-ME3 Controller using an Apple® iOS® or Android™ compatible smart device. The mobile application allows remote access and configuration of one or more irrigation controllers.

* Apple is a trademark of Apple Inc, IOS is a trademark of Cisco Systems Inc, and Android is a trademark of Google LLC.

For more information on the LNK™ WiFi Module and the value this product can provide for your ESP-ME3 controller, please visit: http://wifi-pro.rainbird.com

Rain Bird ESP-ME3 Controller Manual (8)
LNK™ WiFi Module (sold separately)

Rain Bird ESP-ME3 Controller Manual (9)
Manage Sites Remotely

Installation

Mount Controller

Rain Bird ESP-ME3 Controller Manual (10) NOTE: Choose a suitable mounting location close to a 120VAC wall outlet.

  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), as shown.
  2. Locate the keyhole slot on back of the controller unit and hang it securely on the mounting screw.
    Rain Bird ESP-ME3 Controller Manual (11)
  3. Open the front panel, and drive three additional screws through the open holes inside the controller and into the wall, as shown.
    Rain Bird ESP-ME3 Controller Manual (12)

Connect Valves

  1. Route all field wires through the opening at the bottom or back of the unit. Attach conduit if desired, as shown.
    Rain Bird ESP-ME3 Controller Manual (13)
    Do not route valve wires through the same opening as power wires.
  2. Connect one wire from each valve to the terminal on the Base Module or Station Module that corresponds to the desired station number (1-22).
  3. Connect a field common wire to the COM (common)terminal on the Base Module. Then connect the remaining wire from each valve to the field common wire, as shown.
  4. To perform a Valve Test, connect the common wire to the COM terminal and the power wire to the VT terminal. This will immediately turn the valve ON.

Connect Master Valve (optional)

  1. Connect a wire from the master valve to the MV (master valve) terminal on the Base Module. Then connect the remaining wire from the master valve to the field common wire, as shown.

Rain Bird ESP-ME3 Controller Manual (14)

Connect Pump Start Relay (optional)

  1. Connect a wire from the PSR (pump start relay) to the MV (master valve) terminal on the Base Module. Then connect another wire from the pump start relay to the field common wire, as shown.
  2. To avoid the possibility of damage to the pump, connect a short jumper wire from any unused terminal(s) to the nearest terminal in use, as shown.

Rain Bird ESP-ME3 Controller Manual (15)

NOTICE
The ESP-ME3 controller DOES NOT provide power for a pump. The relay must be wired according to manufacturer instructions.

Only the following Rain Bird pump start relay models are compatible with the ESP-ME3:

Description Note Model No.
Universal Pump Relay 110 volt only PSR110IC
Universal Pump Relay 220 volt only PSR220IC

Rain Bird ESP-ME3 Controller Manual (16) NOTE: Connection to pump and external power not shown. Refer to pump installation instructions.

Connect Flow Sensor (optional)

Rain Bird ESP-ME3 Controller Manual (17) NOTE: Install the flow sensor in the field according to the manufacturer's instructions.

  1. Run the flow sensor wires to the controller.
    Rain Bird ESP-ME3 Controller Manual (18)
    Do not route valve wires through the same opening as power wires.
  2. 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 grey (-) terminal.
    Rain Bird ESP-ME3 Controller Manual (19)
Flow Sensor Settings

Set the controller to obey or ignore a flow sensor.

When set to Sensor ON, automatic irrigation will be suspended per station if detected flow exceeds learned flow by more than 30%. When set to Sensor OFF, all stations will ignore the flow sensor.

Rain Bird ESP-ME3 Controller Manual (20) Turn the dial to Flow Sensor.

  • Press Rain Bird ESP-ME3 Controller Manual (21) or Rain Bird ESP-ME3 Controller Manual (22) to select SENS ON (sensor on) or SENS OFF (sensor off).

Rain Bird ESP-ME3 Controller Manual (23)Sensor ON
Rain Bird ESP-ME3 Controller Manual (24)Sensor OFF
Rain Bird ESP-ME3 Controller Manual (25)Flow detected (flashing)

Rain Bird ESP-ME3 Controller Manual (26) NOTE: When switching from Sensor OFF to Sensor ON, the controller will begin to LEARN FLOW. It will run each station for short period to set the expected station flow.

Rain Bird ESP-ME3 Controller Manual (27) NOTE: See Troubleshooting section of the Appendix for Flow Alarms information.

Connect Weather Sensor (optional)

  1. Remove the yellow jumper wire from the SENSOR terminals on the controller.

    NOTICE
    Do not remove the yellow jumper wire unless connecting a rain sensor.

  2. Connect both rain sensor wires to the SENSOR terminals as shown.

Rain Bird ESP-ME3 Controller Manual (28)

Rain Bird ESP-ME3 Controller Manual (29)
Do not route the rain sensor wires through the same opening as the power wiring

Rain Bird ESP-ME3 Controller Manual (30) NOTE: Rain Bird ESP-ME3 controllers are only compatible with normally closed rain sensors.

Rain Bird ESP-ME3 Controller Manual (31) NOTE: For wireless rain/freeze sensors, refer to the sensor installation instructions.

Weather Sensor Settings

Set the controller to obey or ignore a weather sensor.

When set to Sensor ON, automatic irrigation will be suspended if rainfall is detected. When set to Sensor OFF all stations will ignore the rain sensor.

Rain Bird ESP-ME3 Controller Manual (32) Turn the dial to Weather Sensors.

  • Press Rain Bird ESP-ME3 Controller Manual (33) or Rain Bird ESP-ME3 Controller Manual (34) to select SENS ON (sensor on) or SENS OFF (sensor off).

Rain Bird ESP-ME3 Controller Manual (35) Sensor ON
Rain Bird ESP-ME3 Controller Manual (36) Sensor OFF
Rain Bird ESP-ME3 Controller Manual (37) Rain detected (flashing)

Connect Power

Rain Bird ESP-ME3 Controller Manual (38)
DO NOT plug in the transformer or connect external power until you have completed and checked all wiring connections.

Installation with Pre-attached Cord
  • Plug the attached power cord into a nearby 120VAC electrical outlet.
    Rain Bird ESP-ME3 Controller Manual (39)
Outdoor Installation with Direct Wiring

Rain Bird ESP-ME3 Controller Manual (40)
Electric shock can cause severe injury or death. Make sure power supply is turned OFF before connecting power wires.

POWER WIRING CONNECTIONS 120VAC
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. Locate the transformer wiring compartment in the lower left corner of the controller unit. Use a screwdriver to remove the cover and expose the transformer connection wires.
  2. Route the three external power source wires through the conduit opening at the bottom of the unit and into the wiring compartment.
  3. 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.
    Rain Bird ESP-ME3 Controller Manual (41)
    Ground wire must be connected to provide electrical surge protection. Permanently mounted conduit shall be used for connecting main voltage to the controller
  4. Verify that all wiring connections are secure, then replace the wiring compartment cover and secure it with the screw.

Rain Bird ESP-ME3 Controller Manual (42)

Station Expansion Modules

Optional Station Modules can be installed in the empty slots to the right of the Base Module to increase the station capacity up to 22 stations.

Rain Bird ESP-ME3 Controller Manual (43) NOTE: 6-Station Modules are compatible with ESP-ME3 and ESP-Me. They are not backwards compatible with the ESP-M vintage controller.

Rain Bird ESP-ME3 Controller Manual (44) NOTE: For ideal station sequencing, insert 3-Station module after inserting all 6-station modules. For more details see the Station Numbering section.

Rain Bird ESP-ME3 Controller Manual (45)

Install Modules

  1. Verify the securing lever on the module is in the unlocked position (slide to the left).
  2. Place the module under the desired slot between the plastic rails.
  3. Push the module up into the slot until secure.
  4. Slide the securing lever to the locked position (slide to the right).
    Rain Bird ESP-ME3 Controller Manual (46)

Rain Bird ESP-ME3 Controller Manual (47) REPEAT for additional modules.

Rain Bird ESP-ME3 Controller Manual (48) NOTE: Modules can be installed or removed with OR without AC power connected. They are considered "hot-swappable".

Rain Bird ESP-ME3 Controller Manual (49) NOTE: It take about 30 seconds for stations to become available for configuration after installing a new module.

Station Numbering

The controller is configured with "fixed station numbering", meaning that Bays Two, Three and Four can accept either a 3 or a 6-Station Module. If a 6-Station Module is NOT installed then the unused stations are reserved for future use.

Example of Station Numbering when using two 3-Station Modules. A total of 10 stations are installed.

Rain Bird ESP-ME3 Controller Manual (50)

  • The Base Module is installed in Bay One and uses Stations 1 through 4.
  • A 3-Station Module is installed in Bay Two and uses stations 5 through 7. Stations 8 through 10 are skipped and will be unavailable.
  • A 3-Station Module is installed in Bay Three and uses stations 11 through 13.

During programming, the controller will skip any unused stations, creating a gap in station numbering. The unused stations will show on the display as 8SKIP, 9SKIP, etc.
Rain Bird ESP-ME3 Controller Manual (51)
If the screen displays 20NOMOD where the 20 is flashing, then there is no module installed for that station number.

Complete Controller Installation

  1. Reinstall and reconnect the front panel.
  2. Apply power to the controller and test the system.

Rain Bird ESP-ME3 Controller Manual (52) NOTE: The electrical connections can be checked even if water is not available. If water is available and you would like to test some or all of your stations, use the Test All Stations feature of the controller.

Normal Operation

Controls and Features

Rain Bird ESP-ME3 Controller Manual (53)

  1. AUTO
    Watering occurs automatically
  2. Date/Time
    Set the current Date and Time
  3. Start Times
    Up to 6 Start Times per program
  4. Program Select Button
    Select Program A, B, C or D
  5. OFF
    Disables automatic irrigation
  6. Manual Watering
    Start watering for one or all stations
  7. Flow Sensor
    Set the controller to obey or ignore a flow sensor
  8. Seasonal Adjust
    Adjust Run Times from 5% up to 200%
  9. Weather Sensors
    Set controller to obey or ignore a weather sensor
  10. Water Days
    Select days to allow watering
  11. Run Times
    Set station Run Times
  12. Back/Next Buttons
    Select programming options
  13. – / + Buttons
    Adjust feature settings
  14. Hold to Start
    Manual irrigation
  15. ALARM
    Indicator

AUTO

Rain Bird ESP-ME3 Controller Manual (54)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.
Rain Bird ESP-ME3 Controller Manual (55)

  • To cancel watering, turn the dial to OFF for three seconds until the screen shows OFF.

To Manually Start a Program:

  1. Press the Program Select button to select a program.
  2. Press and hold the Hold to Start button to immediately start manual watering for the selected program.

Rain Bird ESP-ME3 Controller Manual (56)

OFF

Rain Bird ESP-ME3 Controller Manual (57)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.

Rain Bird ESP-ME3 Controller Manual (58) NOTE: Manual watering can be started using mobile apps or LIMR when dial is in OFF position.

Display Indicators

Display Function Description
Rain Bird ESP-ME3 Controller Manual (59) ALL All stations
Rain Bird ESP-ME3 Controller Manual (60) CLEARED Programming was cleared
Rain Bird ESP-ME3 Controller Manual (61) CYCLIC Watering occurs at specific intervals, such as every 2 days
Rain Bird ESP-ME3 Controller Manual (62) DELAY Delay Watering Active
Rain Bird ESP-ME3 Controller Manual (63) EVEN Even days watering
Rain Bird ESP-ME3 Controller Manual (64) FLOW Flow Sensor
Rain Bird ESP-ME3 Controller Manual (65) MV ON Master or Pump-start relay is active
Rain Bird ESP-ME3 Controller Manual (66) NOMOD No station modules installed for that station
Rain Bird ESP-ME3 Controller Manual (67) ODD Odd days watering
Rain Bird ESP-ME3 Controller Manual (68) OFF Controller will not water
Rain Bird ESP-ME3 Controller Manual (69) PERMOFF Permanent days off for Odd, Even, Cyclic watering
Rain Bird ESP-ME3 Controller Manual (70) RAIN Rain Sensor
Rain Bird ESP-ME3 Controller Manual (71) RESTORD Programming restored
Rain Bird ESP-ME3 Controller Manual (72) SAVED Save programming
Rain Bird ESP-ME3 Controller Manual (73) SENS ON Sensor will function if wired
Rain Bird ESP-ME3 Controller Manual (74) SEN OFF Sensor is ignored even if wired
Rain Bird ESP-ME3 Controller Manual (75) SKIP Station not used due to station module configuration
Rain Bird ESP-ME3 Controller Manual (76) SOAK Soak time between watering times - supported through the Rain Bird app.

Basic Programming

Set Date and Time

Rain Bird ESP-ME3 Controller Manual (77) Turn the dial to Date / Time

  1. Press Rain Bird ESP-ME3 Controller Manual (78) or Rain Bird ESP-ME3 Controller Manual (79) to select the setting to change.
  2. Press Rain Bird ESP-ME3 Controller Manual (80) or Rain Bird ESP-ME3 Controller Manual (81) to change the setting value.
  3. Press and hold Rain Bird ESP-ME3 Controller Manual (82) or Rain Bird ESP-ME3 Controller Manual (83) to accelerate adjustments.
    To change the time format (12 hour or 24 hour):
  4. With Day of Month blinking, press Rain Bird ESP-ME3 Controller Manual (84).
  5. Press Rain Bird ESP-ME3 Controller Manual (85) or Rain Bird ESP-ME3 Controller Manual (86) to select the desired time format, then press Rain Bird ESP-ME3 Controller Manual (87) to return to the time setting.

Set Watering Start Times

Up to six Start Times are available for each program.

Rain Bird ESP-ME3 Controller Manual (88) Turn the dial to Start Times

  1. Press Program Select to choose the desired Program (if necessary).
  2. Press Rain Bird ESP-ME3 Controller Manual (89) or Rain Bird ESP-ME3 Controller Manual (90) to select an available Start Time.
  3. Press Rain Bird ESP-ME3 Controller Manual (91) or Rain Bird ESP-ME3 Controller Manual (92) to set the selected Start Time (ensure the AM/PM setting is correct).
  4. Press Rain Bird ESP-ME3 Controller Manual (93) to set additional Start Times.
  5. To turn off a start time press Rain Bird ESP-ME3 Controller Manual (94) until 12:00 AM (00:00 in 24 HR), then press Rain Bird ESP-ME3 Controller Manual (95) one more time for OFF.

Rain Bird ESP-ME3 Controller Manual (96) NOTE: The OFF Position for any start time is between 11:45 PM and 12:00 AM.

Set Station Run Times

Run Times can be set from one minute up to six hours.

Rain Bird ESP-ME3 Controller Manual (97) Turn the dial to Run Times

  1. Press Program Select to choose the desired Program (if necessary).
  2. Press Rain Bird ESP-ME3 Controller Manual (98) or Rain Bird ESP-ME3 Controller Manual (99) to select a Station.
  3. Press Rain Bird ESP-ME3 Controller Manual (100) or Rain Bird ESP-ME3 Controller Manual (101) to set the Run Time for the selected Station.
  4. Press Rain Bird ESP-ME3 Controller Manual (102) to set additional Station Run Times.

Rain Bird ESP-ME3 Controller Manual (103) NOTE: Only assign Run Times in a Program for stations you want to water. If you do not want a specific station to run in a selected program then set the Run Time to zero.

Rain Bird ESP-ME3 Controller Manual (104) NOTE: Rain Bird recommends that the maximum irrigation station cycle time be less than the time required for runoff to begin and that there be adequate soak time before the next irrigation cycle of that same station begins again.

Set Water Days

Custom Days of the Week

Set watering to occur on specific days of the week.

Rain Bird ESP-ME3 Controller Manual (105) Turn the dial to Water Days

  1. Press Program Select to choose the desired Program (if necessary).
  2. Press Rain Bird ESP-ME3 Controller Manual (106) or Rain Bird ESP-ME3 Controller Manual (107) to set the selected (blinking) day as either ON or OFF, and to automatically move to the next day.
  3. Press Rain Bird ESP-ME3 Controller Manual (108) or Rain Bird ESP-ME3 Controller Manual (109) at any time to move the cursor to the previous or next day.

Rain Bird ESP-ME3 Controller Manual (110) NOTE: With Sunday selected, press the Rain Bird ESP-ME3 Controller Manual (111) button to enter and activate Cyclic Watering (see the Advanced Programming section). If this is not desired, press the Rain Bird ESP-ME3 Controller Manual (112) button to return to watering by Custom Days.

Program-Based Scheduling

The ESP-ME3 uses a programmed-based scheduling method to create irrigation schedules. This means all stations with a run time on the program will run in numerical order.

Common Programming Error

The most common programming error for any program-based controller is to set multiple Program Start Times that cause watering cycles to repeat.
As an example: Program A has a 1st Start Time set to run at 8:00 AM. But then a 2nd Start Time has mistakenly been set for 8:15 AM, which means that all stations would water a 2nd time.
In this example, a 3rd Start Time has mistakenly been set for 8:30 AM. Which means all stations would water a 3rd time. The desired watering time was 45 minutes, or 15 minutes per station. The actual is 2 hours and 15 minutes, which is excessive watering!

Incorrect: Multiple Start Times set by mistake

Program
Letter
Program
Watering
Time
Program
Start Time
Station
Number
Station
Watering
Duration
A 1st 8:00 AM 1 15 MIN
2 15 MIN
3 15 MIN
A 2nd 8:15 AM 1 15 MIN
2 15 MIN
3 15 MIN
A 3rd 8:30 AM 1 15 MIN
2 15 MIN
3 15 MIN

Correct: Only one Start Time

Program
Letter
Program
Watering
Time
Program
Start Time
Station
Number
Station
Watering
Duration
A 1st 8:00 AM 1 15 MIN
2 15 MIN
3 15 MIN
4 15 MIN

Manual Watering Options

Test All Stations

Start watering immediately for all programmed stations.

Rain Bird ESP-ME3 Controller Manual (113) Turn the dial to Manual Watering

  1. Press Rain Bird ESP-ME3 Controller Manual (114) or Rain Bird ESP-ME3 Controller Manual (115) to set a Run Time.
  2. Press the Hold to Start Rain Bird ESP-ME3 Controller Manual (116) button.
  3. Turn the dial to AUTO after display shows STARTED.
    During Testing:
    The display shows a blinking sprinkler symbol, the active Station Number and the remaining Run Time.
    Rain Bird ESP-ME3 Controller Manual (117)
  4. To cancel the test, turn the dial to OFF for three seconds until the screen shows OFF.

Run a Single Station

Start watering a single station, or set multiple stations to water in order.

Rain Bird ESP-ME3 Controller Manual (118) Turn the dial to Manual Watering

  1. Press Rain Bird ESP-ME3 Controller Manual (119) or Rain Bird ESP-ME3 Controller Manual (120) to select the desired station.
  2. Press Rain Bird ESP-ME3 Controller Manual (121) or Rain Bird ESP-ME3 Controller Manual (122) to set a Run Time.
  3. Press the Hold to Start Rain Bird ESP-ME3 Controller Manual (123) button.
  4. Irrigation will begin and STARTED will appear on the display.
  5. Turn the dial back to AUTO

Rain Bird ESP-ME3 Controller Manual (124) REPEAT process as desired to add more stations to the queue. When one station finishes watering then the next station will start.

Rain Bird ESP-ME3 Controller Manual (125) NOTE: Manual Watering (Test All, Run Single Station and Manual Program) will start even when a weather sensor is set to SENS ON (sensor on).

Run a Single Program

Start watering immediately for one program.

Rain Bird ESP-ME3 Controller Manual (126)Turn the dial to AUTO.

  1. Press Program Select to choose the desired Program (if necessary).
  2. Press the Hold to Start Rain Bird ESP-ME3 Controller Manual (127) button to begin watering the selected Program.
  3. Irrigation will begin and STARTED will appear on the display.
  4. Press the Advance Station Rain Bird ESP-ME3 Controller Manual (128) button to advance to the next station if desired.
  5. NOTE: A maximum of 88 stations can be queued across all four programs.

During Manual Watering (Single-station or Single-program):
The display shows a blinking sprinkler symbol, the active Station Number, and the remaining Run Time.
Rain Bird ESP-ME3 Controller Manual (129)

  • To cancel manual watering, turn the dial to OFF for three seconds until the screen shows OFF.

To add additional programs to the manual watering queue:

Rain Bird ESP-ME3 Controller Manual (130) Turn the dial to Manual Watering

  1. Press and hold Program Select to show program letter on the display.
  2. Press Program Select to choose the desired program (if necessary).
  3. Press the Hold to Start button to begin watering the selected program.
  4. Turn the dial to AUTO

Advanced Programming

Odd or Even Calendar Days

Set watering to occur on all ODD or EVEN calendar days.

Rain Bird ESP-ME3 Controller Manual (131) Turn the dial to Water Days

  1. Press Program Select to choose the desired Program (if necessary).
  2. Press and hold Rain Bird ESP-ME3 Controller Manual (132) and Rain Bird ESP-ME3 Controller Manual (133) until ODD or EVEN is displayed.

Cyclic Days

Set watering to occur at specific intervals, such as every 2 days, or every 3 days, etc.

Rain Bird ESP-ME3 Controller Manual (134) Turn the dial to Water Days

  1. Press Program Select to choose the desired Program (if necessary).
  2. On the Custom Days of the Week screen, press Rain Bird ESP-ME3 Controller Manual (135) until the Cyclic screen is displayed (after SUN).
  3. Press Rain Bird ESP-ME3 Controller Manual (136) or Rain Bird ESP-ME3 Controller Manual (137) to set the desired DAY CYCLE, then press Rain Bird ESP-ME3 Controller Manual (138).
  4. Press Rain Bird ESP-ME3 Controller Manual (139) or Rain Bird ESP-ME3 Controller Manual (140) to set the DAYS REMAINING before the cycle begins. The NEXT watering day updates on the display to indicate the day that watering will start as shown.

Rain Bird ESP-ME3 Controller Manual (141)

Rain Bird ESP-ME3 Controller Manual (142) NOTE: See Special Features to set Rain Sensor ON by Station.

Seasonal Adjust

Increase or decrease program run times by a selected percentage (5% to 200%).

As an example: If the Seasonal Adjust is set to 100% and the station Run Time is programmed for 10 minutes, the station will run for 10 minutes. If the Seasonal Adjust is set to 50%, the station will run for 5 minutes.

Rain Bird ESP-ME3 Controller Manual (143) Turn the dial to Seasonal Adjust.

  1. Press Rain Bird ESP-ME3 Controller Manual (144) or Rain Bird ESP-ME3 Controller Manual (145) 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 Rain Bird ESP-ME3 Controller Manual (146) or Rain Bird ESP-ME3 Controller Manual (147) to increase or decrease Seasonal Adjust for all Programs.

Delay Watering

Suspend watering for up to 14 days.

Rain Bird ESP-ME3 Controller Manual (148)Turn the dial to AUTO.

  1. Press and Hold the Rain Bird ESP-ME3 Controller Manual (149) button to enter the Rain Delay screen.
  2. Press Rain Bird ESP-ME3 Controller Manual (150) or Rain Bird ESP-ME3 Controller Manual (151) to set the DAYS REMAINING. The NEXT watering day will update on the display to indicate when watering will resume.
    Rain Bird ESP-ME3 Controller Manual (152)
  3. To cancel a Rain Delay, set the DAYS REMAINING back to 0.

Rain Bird ESP-ME3 Controller Manual (153) NOTE: When the delay expires, automatic irrigation resumes as scheduled.

Permanent Days Off

Prevent watering on selected days of the week (for Odd, Even or Cyclic programming only).

Rain Bird ESP-ME3 Controller Manual (154) Turn the dial to Water Days

  1. Press Program Select to choose the desired Program (if necessary).
  2. Press and hold Program Select, then press Rain Bird ESP-ME3 Controller Manual (155) to set the selected (blinking) day as a Permanent Day Off or press Rain Bird ESP-ME3 Controller Manual (156) to leave the day ON.

Rain Bird ESP-ME3 Controller Manual (157)

Special Features

  1. Turn the dial to the desired position indicated below for each Special Feature.
  2. Press and hold Rain Bird ESP-ME3 Controller Manual (158) and Rain Bird ESP-ME3 Controller Manual (159) at the same time.

Rain Bird ESP-ME3 Controller Manual (160)

  1. Save Programming
  2. Restore Programming
  3. Set Interstation Delay by Program
    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.
  4. Set Flow Sensor by Station
    Turns a flow sensor on or off by station
  5. Reset to Factory Defaults
    All programmed schedules will be erased.
  6. Set Rain Sensor by Station
    Tells a station to obey or ignore a rain sensor.
  7. Set to Odd or Even Watering Days
  8. Set Master Valve by Station
    Allows a station to be controlled by a master valve or pump start relay.

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.

Rain Bird ESP-ME3 Controller Manual (161)

Remote Accessories

A 5 pin accessory port is available for Rain Bird approved external devices, including:

  • LNK™ WiFi Module
  • LIMR Receiver Quick Connect harness

Rain Bird ESP-ME3 Controller Manual (162)

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. Settings can be programmed for all 22 stations regardless of which Station Modules are installed in the controller.

  1. Remove the front panel.
  2. Install a 9V battery in the battery compartment.
  3. Program the controller.
    Rain Bird ESP-ME3 Controller Manual (163)
    Rain Bird ESP-ME3 Controller Manual (164) 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).
    Rain Bird ESP-ME3 Controller Manual (165) NOTE: After the front panel is re-installed, any station that does not have a corresponding Station Module installed will function as though the run time is zero.

Battery Life

If the display repeatedly shows "-- -- -- -- --", or there is no display when using a 9V battery for remote programming, replace the battery.

Appendix

Troubleshooting

Error Detection

The ESP-ME3 controller has built-in error detection that can automatically generate an ALARM caused by an essential programming error or if an electrical short condition is detected.
The ALARM LED light on the ESP-ME3 controller front panel will light up to indicate an alarm condition:

Programming Errors (blinking LED)

Error ALARM LED Error Message On Display
No Start Times are set BLINK NO START TIMES
No Run Times are set BLINK NO RUN TIMES
No Water Days are set BLINK NO WATER DAYS

The error will go away when the station is successfully run after condition is corrected.

Rain Bird ESP-ME3 Controller Manual (166) NOTE: The dial must be in the AUTO position for an ALARM message to appear on the display.

Electrical Errors (non-blinking LED)

Error ALARM LED Error Message On Display
Master Valve short SOLID MASTER VALVE SHORTED OR HIGH CURRENT
Station short SOLID STATION "X" WIRE SHORTED

When an electrical error is detected, irrigation for the affected station is cancelled and watering advances to the next operable station in the program.
The controller will attempt to water the affected station again at the next scheduled watering. Completion of a successful watering will clear the error condition associated with that station.

Flow Alarms

Error ALARM LED Error Message On Display
Flow Sensor - High Flow Condition Solid HIGH FLOW ALARM STATION "X"
Flow Sensor - Low Flow Condition Solid LOW FLOW ALARM STATION "X"

When a flow sensor is in use the ESP-ME3 monitors for High Flow of 130% above regular learned flow. This percent limit can be adjusted in the Rain Bird App when used with LNK™ WiFi Module. If a High Flow condition is detected, a "High Flow Alarm" is shown at the display and the red alarm LED comes on. To clear the alarm press the "Hold to Start" right arrow button during the alarm message.
Low Flow conditions are also monitored. The limit for Low Flow is 70% below the learned flow unless changed in the Rain Bird App. A Low Flow alarm is shown at the controller display and the red alarm LED comes on.
To clear the alarm press the "Hold to Start" right arrow button during the alarm message.

Rain Bird ESP-ME3 Controller Manual (167) NOTE: Turning the flow sensor feature off and then back on will cause the controller to learn new flow levels and ignore previous error conditions.

Rain Bird ESP-ME3 Controller Manual (168) NOTE: If the flow sensor measures flow when the controller is not scheduled for watering, a "HIGH FLOW ZONE" alarm is shown on the display and the red alarm LED comes on. To clear the alarm press the "Hold to Start" right arrow button during the alarm message.

Watering Issues

Problem Possible Cause Possible Solution
Display shows a program is active, but system isn't watering. Water source not supplying water. Verify there is no disruption to the main water line and that all other water supply lines are open and functioning properly.
Wiring is loose or not properly connected. Check that field wiring and master valve or pump start relay wiring is securely connected at the controller and in the field.
Field wires are corroded or damaged. Check field wiring for damage and replace if necessary. Check wiring connections and replace with watertight splice connectors if needed.
Loss of AC power. When there is a power loss and a 9 volt battery is installed, the system does not irrigate but programs show as remaining active.
NO AC message on display. No Power detected. Check circuit breaker and that unit is plugged into socket or properly connected to power source.
Controller may be plugged into a GFCI outlet or an outlet that is wired to a GFCI outlet. Check power to the outlet or reset the circuit breaker.
It just rained and the alarm light is not illuminated, why? This is normal operation. The ESP-ME3 does not consider the interruption of irrigation due to rainfall as an alarm condition. This is normal operation.
Programmed schedules do not start. Connected rain sensor may be activated. Set Rain Sensor to Sensor OFF to ignore the rain sensor. If watering resumes, the sensor is operating properly and no further correction is needed.
Connected rain sensor may not be operating properly. Let the rain sensor dry out, or disconnect it from the controller terminal strip and replace it with a jumper wire connecting the two SENS terminals, or set to Sensor OFF.
If no rain sensor is connected, the jumper wire connecting the two SENS terminals on the terminal strip may be missing or damaged. Move dial position to Weather Sensors and set to Sensor OFF.
Too much irrigation Multiple Start Times in the same program. Separate start times are not required for each valve. A program only requires single start time in order to run all stations in that program.
Multiple programs are running at the same time. Review programming to assure that the same Station is not active in multiple Programs.
Valve is malfunctioning. Check to see if the ALARM light on the controller is lit solid, then repair or replace the valve if necessary.
Seasonal Adjust setting is too high. Set Seasonal Adjust to 100%.

Electrical Issues (solid LED illuminated)

Problem Possible Cause Possible Solution
Display is blank or frozen, the controller will not accept programming or is operating abnormally. Power not reaching the controller. Verify the main AC power supply is securely plugged in or connected and working properly.
Controller needs to be reset. Press the Reset Button. For details see "Reset Button" section.
An electrical surge may have interfered with the controller's electronics. Unplug the controller for 2 minutes, then plug it back in. If there is no permanent damage, the controller should accept programming and resume normal operation.
Automatic error detection indicates a problem by ALARM LED and an error message on display. Short circuit or overload condition in valve, master valve or pump start relay wiring. Identify and repair the fault in the wiring. Refer to compatible pump start relays. For details see "Connect Pump Start Relay" section.
LED is flashing or solidly illuminated but I see no message on the LCD. Dial not in AUTO RUN position. Turn dial to AUTO RUN position. Push Reset button or power cycle the controller.

Certifications

Supplier's Declaration of Conformity 47 CFR § 2.1077 Compliance Information
Unique Identifier: ESP-ME3 (ESP4ME3)

Responsible Party – U.S. Contact Information
Rain Bird Corporation
9491 Ridgehaven Court
San Diego, CA
92123
Ph. (858) 268-2650

FCC Compliance Statement
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
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 receiver.
  • Connect the equipment into 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.
  • Changes or modifications not expressly approved by Rain Bird could void the user's authority to operate the equipment.

Safety Information

Rain Bird ESP-ME3 Controller Manual (169)
Special precautions must be taken when valve wires (also known as station or solenoid wires) are located adjacent to, or share a conduit with other wires, such as those used for landscape lighting, other "low voltage" systems or other "high voltage" power.
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 fire hazard.

Rain Bird ESP-ME3 Controller Manual (170)
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.

Rain Bird ESP-ME3 Controller Manual (171)
Outdoor controller shall be permanently connected to fixed wiring by a flexible cord, and have a cord anchorage. The cord anchorage shall relieve conductors from strain, including twisting, at the terminals and protect the insulation of the conductors from abrasion.

Rain Bird ESP-ME3 Controller Manual (172)
Stationary appliances not fitted with means for disconnection from the supply mains having a contact separation in all poles that provide full disconnection under overvoltage category III, the instructions state that means for disconnection must be incorporated in the fixed wiring in accordance with the wiring rules

Rain Bird ESP-ME3 Controller Manual (173)
This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved. Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision.

Rain Bird ESP-ME3 Controller Manual (174)
For controllers not provided with supply cord, the fixed installation must include a disconnecting device for all three poles suitable for overvoltage category III protection.

NOTICE
Use only Rain Bird approved accessory devices. Unapproved devices may damage the controller and void the warranty. For a list of compatible devices go to: www.rainbird.com

NOTICE
Changes or modifications not expressly approved by Rain Bird could void the user's authority to operate the equipment.

NOTICE
Date and time are retained by a lithium battery which must be disposed of in accordance with local regulations.

The Intelligent Use of Water®
LEADERSHIP · EDUCATION · PARTNERSHIPS · PRODUCTS
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®.

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Rain Bird ESP-ME3 Controller Manual (175)

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Videos

Rain Bird ESP-ME3 Basic Programming (video)

Rain Bird ESP-ME3 Advanced Programming (video)

Documents / Resources

References

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Rain Bird ESP-ME3 Controller Manual (2024)

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