Rain Bird TM2-8

Rain Bird ESP-TM2 8 Station WiFi Ready Indoor/Outdoor Controller

Model: TM2-8

Brand: Rain Bird

1. Overview

The Rain Bird ESP-TM2 irrigation controller is designed for residential irrigation solutions, offering efficient water management and user-friendly programming. It supports up to 8 stations and is Wi-Fi ready for remote access and control.

Key Features:

  • Quick to Install: Suitable for indoor or outdoor installations with a factory-installed 6’ outdoor rated power cord.
  • Simple to Program: Quickly program a schedule in just 3 steps with a large back-lit LCD display for improved visibility.
  • Advanced Features: Contractor Default allows saving and restoring custom schedules. Delay Watering up to 14 days with automatic resume.
  • Wi-Fi Connectivity: Upgrade with a Rain Bird LNK WiFi Module (sold separately) for remote access, operation, and monitoring.
  • Water Saving: Internet-based weather information (with LNK WiFi Module) can make daily adjustments to irrigation schedules, potentially saving up to 30% in water.

2. Setup and Installation

The ESP-TM2 controller is designed for straightforward installation. Ensure power is disconnected before beginning any wiring.

Installation Steps:

  1. Mounting: Choose a suitable indoor or outdoor location. Securely mount the controller to a wall using appropriate fasteners.
  2. Wiring Power: Connect the factory-installed 6’ outdoor rated power cord to a compatible power outlet. For direct wiring, ensure proper electrical connections (Hot, Neutral, Ground) are made within the designated compartment.
  3. Connecting Zone Wires: Connect each irrigation zone wire to its corresponding terminal (1-8) on the controller's terminal strip. Ensure common wires are connected to the 'C' terminal.
  4. Sensor Connection (Optional): If using a rain sensor or other weather sensor, connect its wires to the designated sensor terminals.
  5. LNK WiFi Module Installation (Optional): If upgrading to Wi-Fi, insert the LNK WiFi Module (sold separately) into the accessory port.
  6. Power On: Once all connections are secure, restore power to the controller.
Rain Bird ESP-TM2 controller mounted on a wall with conduit for wiring.

Figure 2.1: Rain Bird ESP-TM2 controller mounted for outdoor installation, showing conduit connections.

3. Operating Instructions

The ESP-TM2 features an Extra Simple Programming (ESP) interface with a large LCD display and intuitive dial and button controls.

Programming Your Controller:

  1. Set Date/Time: Turn the dial to 'Date/Time'. Use the arrow buttons to set the current date and time.
  2. Set Start Times: Turn the dial to 'Start Times'. Select a program (A, B, or C) and set up to 4 start times per program using the arrow buttons.
  3. Set Run Times: Turn the dial to 'Run Times'. Select each station and set the desired watering duration (in minutes) for each.
  4. Set Water Days: Turn the dial to 'Water Days'. Choose your watering schedule (e.g., specific days of the week, odd/even days, or cyclic).
  5. Auto Run: Turn the dial to 'Auto Run' to activate your programmed schedule. The controller will automatically run the irrigation programs.
  6. Manual Watering: Turn the dial to 'Manual Watering' to manually run a specific station or all stations for a set duration.
  7. Seasonal Adjust: Turn the dial to 'Seasonal Adjust' to globally increase or decrease watering durations for all programs based on seasonal needs.
  8. Off: Turn the dial to 'Off' to suspend all automatic watering.
Rain Bird ESP-TM2 control panel with LCD display and dial.

Figure 3.1: Front view of the ESP-TM2 control panel, highlighting the intuitive dial and LCD display.

4. Maintenance

Regular maintenance ensures optimal performance and longevity of your irrigation system.

General Maintenance Tips:

  • Seasonal Adjustments: Periodically review and adjust the 'Seasonal Adjust' setting to match current weather conditions and plant needs.
  • Inspect Sprinkler Heads: Regularly check sprinkler heads for clogs, damage, or misalignment. Clean or replace as needed to ensure even water distribution.
  • Check for Leaks: During watering cycles, inspect for any visible leaks in pipes, connections, or sprinkler heads. Repair leaks promptly to conserve water.
  • Sensor Check: If a rain sensor is installed, ensure it is clean and free from debris to function correctly.
  • Winterization (Cold Climates): In regions with freezing temperatures, properly winterize your irrigation system to prevent freeze damage. This typically involves shutting off the water supply and draining the system.
  • Controller Cleaning: Keep the controller's exterior clean and free from dust or debris. Use a soft, damp cloth for cleaning.

5. Troubleshooting

If your Rain Bird ESP-TM2 controller is not functioning as expected, refer to the following common issues and solutions:

ProblemPossible CauseSolution
Controller display is blank.No power to the controller.Check power outlet, circuit breaker, and power cord connections.
Stations not watering.Controller is in 'Off' mode; water supply is off; wiring issue; faulty valve.Turn dial to 'Auto Run'; ensure main water supply is on; check wiring connections; inspect valve for issues.
Overwatering or watering when it's raining.Rain sensor not connected or faulty; programming error.Check rain sensor connection and functionality; review and adjust watering schedule.
Specific zone not watering.Loose wire connection; clogged nozzle; faulty solenoid.Check wiring for that specific zone; clean or replace nozzle; test or replace solenoid.

For more complex issues, consult the full user manual or contact Rain Bird customer support.

6. Specifications

  • Model Number: TM2-8
  • Display Type: LCD
  • Operating Temperature: Up to 149 Degrees Fahrenheit (65°C)
  • Voltage: 2.3E+2 Volts (AC)
  • Charging Port Type: Power Cord
  • Product Dimensions: 11.2 x 8.4 x 3.9 inches (28.4 x 21.3 x 9.9 cm)
  • Item Weight: 3.52 pounds (1.6 kg)
  • Material: Plastic
  • Color: White
  • UPC: 741187422215
  • Manufacturer: Rain Bird

7. Warranty and Support

Rain Bird offers various protection plans for your irrigation controller to ensure long-term peace of mind.

Available Protection Plans:

  • 3-Year Protection Plan: Available for $21.99 (one-time payment).
  • 4-Year Protection Plan: Available for $29.99 (one-time payment).
  • Complete Protect: A monthly plan covering eligible past and future purchases for $16.99/month.

For detailed warranty information, technical support, or to purchase a protection plan, please visit the official Rain Bird website or contact their customer service.