Rain Bird Sprinkler Timer Isa 304 Manual Patched

Use the adjustment buttons to select your first desired start time (e.g., 5:00 AM).

Follow these steps in order to configure your Rain Bird ISA 304 from scratch. Step 3.1: Install the Backup Battery Open the lower front cover of the controller. Locate the battery compartment.

Sometimes you need to water outside of your automated schedule—such as after applying fertilizer or testing for broken sprinkler heads. How to Run a Manual Cycle Turn the master switch to .

The ISA 304 can display stations up to “8” because it shares the same LCD design as the 8‑station ISA 408 model. If you see a “7” show up during manual operation, it typically means the timer has been from an unused station. This is not a defect. To avoid confusion, you can “jumper” unused stations to the nearest active station (e.g., connect terminal 4 to terminals 5, 6, 7, 8). rain bird sprinkler timer isa 304 manual

Press again to set the hour and then the minutes. Ensure the AM/PM indicator is correct. Turn the dial to Auto/Run to save. Step 2: Select a Watering Schedule

Note: Pay close attention to AM and PM markings on the dial to ensure your system does not water in the middle of the day by mistake. Step 3.3: Set the Watering Start Times

The Rain Bird Sprinkler Timer ISA 304 is a feature-rich irrigation controller designed for residential and commercial use. This timer allows you to program up to 4 start times per day, with a watering duration of 1-240 minutes. It also features a built-in rain sensor, which can be connected to disable watering during rainy periods. The ISA 304 is compatible with a wide range of sprinkler systems, making it a versatile solution for various irrigation needs. Use the adjustment buttons to select your first

Check if the clock dial pin is physically jammed. Turn off the main water line to see if the valve closes mechanically. 6. Maintenance and Winterization

The master control toggle to activate automatic watering or shut down the system. 3. Step-by-Step Programming Guide

The display will flash; use the to select the station you want to run. Locate the battery compartment

Turn the knob for Station 1 until the indicator points to your desired watering duration (e.g., 15 minutes). Repeat the process for Stations 2, 3, and 4.

The ISA 304 uses a 9-volt alkaline battery to save your settings for up to six hours during a power outage.

The zone will run for its pre-programmed duration and then shut off automatically. System Off Slide the main control switch to the position.