Rain Bird ESP-ME3 Instruction Manual

Manual Rain Bird ESP-ME3 Instruction Manual

Rain Bird ESP-ME3 Instruction Manual

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Rain Bird ESP-ME3

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Rain Bird ESP-ME3 Instructions

Here we offer the Rain Bird ESP-ME3 manual completely free and in English. We have cataloged this manual in the Irrigation Controllers section on Manualverse, and it has been rated by 1 users with an average rating of 5. If you have any specific questions about Rain Bird ESP-ME3, we suggest checking the Frequently Asked Questions (FAQs) section of this manual.


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Rain Bird ESP-ME3 Specifications

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

Rain Bird ESP-ME3 Details

The Rain Bird ESP-ME3 controller is engineered for efficient water usage, supporting "The Intelligent Use of Water®." It features a user-friendly interface with an intuitive dial and display indicators, making programming straightforward. The controller's primary operational modes are AUTO for automatic irrigation and OFF to immediately halt all watering activities, ensuring flexibility in managing your watering schedule.

One of its standout capabilities is its WiFi Enabled functionality, primarily through the LNK™ WiFi Module (sold separately). This module allows remote connection and configuration of one or more irrigation controllers using an Apple® iOS® or Android™ compatible smart device, providing convenient management from anywhere.

Installation is designed for versatility. The ESP-ME3 supports the connection of various field devices, including valves, a master valve, and a pump start relay. Comprehensive instructions guide users through safe wiring practices, emphasizing the separation of valve wires from power lines to prevent hazards.

The system's modular design allows for Station Expansion Modules, enabling the controller to expand its capacity up to 22 stations. These modules are "hot-swappable," meaning they can be installed or removed with or without AC power connected. The system employs fixed station numbering, accounting for skipped or uninstalled modules in the display.

Beyond basic programming, the ESP-ME3 offers advanced scheduling options. Users can configure watering for Odd or Even Calendar Days, or set Cyclic Days for specific intervals (e.g., every 2 or 3 days). The Seasonal Adjust feature allows global or program-specific modification of run times from 5% up to 200%, adapting to changing weather conditions without reprogramming.

Additional operational conveniences include a Delay Watering function, which can suspend irrigation for up to 14 days, and the ability to set Permanent Days Off for Odd, Even, or Cyclic watering programs. This prevents watering on specific days, useful for maintenance or local restrictions.

For immediate needs, the controller provides Manual Watering Options, including "Test All Stations," "Run a Single Station," and "Run a Single Program." These manual operations can even be initiated when a weather sensor is active, overriding automatic suspension when necessary.

The ESP-ME3 incorporates robust Error Detection. It automatically generates an ALARM for programming errors (indicated by a blinking LED) or electrical short conditions (a solid LED). Specific messages appear on the display to pinpoint issues like "NO START TIMES" or "STATION 'X' WIRE SHORTED."

Flow Alarms are another critical safety feature. When a flow sensor is in use, the controller monitors for both high and low flow conditions, providing alerts if detected flow deviates significantly from learned patterns. These alerts help identify leaks or blockages in the irrigation system early on.

A unique feature is Detached Programming, which allows the front panel to be removed and programmed remotely using a 9-volt battery. All settings are retained in non-volatile memory, ensuring that programming is never lost even if the battery or AC power is disconnected.

Finally, the controller includes a Reset Button. In case of abnormal operation, pressing this button with a small tool resets the controller without erasing any previously programmed watering schedules, ensuring minimal disruption to your setup.

Frequently Asked Questions (FAQs)

Can't find the answer you need? Here are some frequently asked questions about the Rain Bird ESP-ME3, and we answer them below.


What is the normal operating mode of the Rain Bird ESP-ME3 controller?
The normal operating mode is AUTO. You should return the dial to AUTO once programming is complete.

How do I stop all automatic irrigation immediately?
Turn the dial to OFF. This will cancel all active watering and prevent automatic irrigation.

What does a blinking ALARM LED light on the ESP-ME3 controller indicate?
A blinking ALARM LED indicates a programming error, such as "NO START TIMES," "NO RUN TIMES," or "NO WATER DAYS."

What does a solid (non-blinking) ALARM LED light mean?
A solid ALARM LED indicates an electrical error, such as a master valve short or a station wire short.

Can I program the ESP-ME3 controller remotely without AC power?
Yes, the front panel can be removed and programmed remotely using a 9-volt battery for power, a feature known as Detached Programming.

How do I clear a flow alarm message displayed on the controller?
To clear a flow alarm, press the "Hold to Start" right arrow button while the alarm message is displayed.

What should I do if my programmed schedules do not start, and I suspect a rain sensor issue?
You can try setting the Rain Sensor to "Sensor OFF" to ignore it. If watering resumes, the sensor is likely operating correctly. Alternatively, check or replace the jumper wire for the SENSOR terminals if no sensor is connected.

Why does the display show 'NO AC'?
This message indicates no power is detected. Check your circuit breaker, ensure the unit is plugged into a working socket, or verify proper connection to the power source.

How can I adjust all program run times by a percentage to account for seasonal changes?
Use the Seasonal Adjust feature. Turn the dial to Seasonal Adjust and press the + or - buttons to increase or decrease run times from 5% to 200%.

Is it possible to temporarily suspend watering, and if so, for how long?
Yes, you can use the Delay Watering feature to suspend watering for up to 14 days. The controller will resume automatic irrigation as scheduled after the delay expires.

What does 'SKIP' or 'NOMOD' on the display indicate regarding stations?
'SKIP' means a station is not used due to the station module configuration, and 'NOMOD' (with a flashing number) indicates that no module is installed for that station number.

How can I reset the controller without losing my programmed watering schedules?
Insert a small tool, like a paper clip, into the RESET access hole and press it until the controller resets. All programmed data will be retained.

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