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Spec Sheet Install Manual


Special Features

Wiring Diagram

Alexa WiFi Setup Guide

Rain Bird's ESP-4MEI controllers is the easiest programmable controllers on the market for making sure your lawn stays watered and green. We carry several expandable modules to increase the zones you need for the ESP4MEI.

Building on its predecessor—the ESP Modular—the enhanced Rain Bird® ESP-Me offers easy programming, a higher station count and new features so easy to use, you’ll actually use them.

This unit includes the LNKWIFI Module in the box. Works on 2.4 GHZ WIFI only.

Rain Bird now offers the LNK WiFi Module for Residential and Light Commercial Rain Bird controllers.

The New Rain Bird LNK WiFi Module allows easy access and control of a Rain Bird irrigation system from anywhere in the world.

With the LNK WiFi Module and Rain Bird’s FREE mobile app, users get access to off-site management, real-time alerts and advanced water management tools via their smart phone or tablet.

Tailored Watering Schedules
Extra Simple Programming makes it easy for you to meet each landscape’s unique needs.

Single-Controller Simplicity
The ESP-Me can do it all, saving you valuable time and labor. The scalability of the ESP-Me and the choice of installing either 3- or 6-station modules mean more flexibility for any landscape.

Delay Watering
Is Mother Nature doing the watering for you? Are you having a party and want to make sure the landscape is dry? Easily postpone irrigation for up to 14 days. Normal irrigation will resume automatically.

Bypass Rain Sensor by Station
Got a landscaped area under an eave or deck? Bypass the rain sensor for that station(s)—or for the entire landscape.

Seasonal Adjust by Program
When the seasons change, change with them. Reduce watering down to as little as 5 percent of your scheduled program times or increase it up to 200 percent. Apply to all programs or to each program individually.

Total Run Time Calculator by Program
Calculate the specific amount of time the controller is scheduled to run for a given program. Use it to ensure morning watering is finished before the family wakes up, or reduce your run time to comply with water restrictions.

Short Detect/Programming Errors
The ESP-Me visually notifies you of electrical and programming issues with a bright red LED and scrolling messages across the LCD display.

One-Touch Watering
Need an easy way to turn on the system? The ESP-Me offers one-touch watering. With the dial in the AUTO position, just press and hold the right teardrop arrow button.

Contractor Default
Simply save your programs after setup. If the original watering schedule is overwritten in error, easily restore it in just two steps.

User-Friendly Rain Bird Design
Featuring vibrant colors, an intuitive dial and a bright LCD display, the new ESP-Me is easy on the eyes. And with legendary Extra Simple Programming and the Rain Bird reliability you trust, it’s the same easy setup, just better.

Simple to use app, provides homeowners with the access they need and desire Professional features allow for easy multi-site management for contractors Built-in notifications provide troubleshooting access, simplifies service calls, and warns when freezing conditions are expected

Saves Water

Automatic weather adjustments provide daily run time changes to save up to 30% more water Superior programming capabilities are designed to meet the most stringent water restrictions Instant access allows for real-time system management

Simple Multi-Site Management

Designed for contractors who manage multiple controllers and sites Quickly group controllers by geography, sub-division, street or another process your company uses Increases technician efficiency and simplifies service calls and/ or winterization.

Operating Specifications
• Station timing: 1 minute to 6 hours
• Seasonal Adjust: 5% to 200%
• Max operating temperature: 149°F (65°C)
Electrical Specifications
• Input required: 120VAC ± 10%, 60Hz
(International models:
230VAC ± 10%, 50/60Hz)
• Output: 25.5VAC 1A
• Master Valve/Pump Start Relay
Operating Voltage: 24VAC 50/60Hz
Max Coil Inrush: 11VA
Max Coil Holding: 5VA
• Idle/Off power draw 0.06 amps at
• Power back-up not required. Nonvolatile
memory permanently saves the current
programming and a 10 year life lithium
battery maintains the controllers time
and date during power outages.

Width: 10.7 in. (27,2 cm)
Height: 7.7 in. (19,5 cm)
Depth: 4.4 in. (11,2 cm)

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