Rain Bird Sprinkler Timer Isa 304 Manual !full! 【Fully Tested】

Note: The Rain Bird ISA series (often labeled as “ISA 304” or “ISA-304”) is an older, legacy electromechanical or basic digital controller. If you are looking for a modern equivalent, this model has been discontinued for many years. This article serves as a historical reference and functional guide based on original documentation.

For further assistance, you can view the official Rain Bird ISA 300/400 Series Manual on the Rain Bird Support site. Rain Bird ISA 300 / 400 Series Sprinkler Timer Manual rain bird sprinkler timer isa 304 manual

Typical programming examples

• Basic schedule: Water zones 1–4 once daily at 6:00 AM for 10 minutes each.

  : Toggle specific days on or off by advancing through the week with the right arrow and using the arrows to select 4. Manual Operation Note: The Rain Bird ISA series (often labeled

  Version B: Early Digital (LCD Screen & Buttons)

  1. Set Clock: Press the SET CLOCK button. Use the +/- or arrow keys to set year, month, day, and time.
  2. Set Watering Days: Press SET WATERING DAYS. Select each day you want (e.g., Mon, Wed, Fri) and press NEXT.
  3. Set Start Time: Press SET START TIME. Choose the hour/minute for watering to begin.
  4. Set Zone Run Times: Press SET RUN TIMES. Select Zone 1, enter minutes (1-240). Press NEXT for Zone 2, etc.
  5. Manual Operation: Press MANUAL key. Select a single zone or "ALL ZONES" to run through the programmed schedule immediately.
• Push pins “in” for active watering days, “out” for skip days.