Rain Bird ISM-9 Instructions


The RainBird ISM-9 is a timer for an automatic sprinkler system that offers up to three different programs with various watering days, up to four watering start times, seasonal adjustment feature, battery backup and a limited warranty. The ISM-9 can be purchased online or through select home retail stores or dealers and is fairly simple to program and operate. Prior to setting the timer, decide how many times a week the sprinkler system should be operated and how long it will operate each time.

  • Remove the cover on the battery compartment and insert a new 9-volt battery. Connect the end of the terminal to the battery clip and push the other end of the battery into the compartment. Close the cover.

  • Turn the main dial to "Set Current Date/Time" and use the "+" or "=" buttons to set the current year. Push "Enter" and then use the "+" or "-" buttons to set the current month, followed by "Enter" and the current day. Push "Enter" and then use the "+" or "-" buttons to set the time. Push "Enter" and then turn the main dial back to "System On."

  • Turn the main dial to "Pre-Programmed Schedules" to set pre-arranged schedules for the sprinkler system. Use the "+" or "-" arrows to choose the desired program. Program 1 will water each sprinkler station for five minutes three times a day -- 6 a.m., 10 a.m. and 2 p.m. -- every day. Program 2 waters each station for 10 minutes every other day at 6 a.m. Program 3 waters each station for 10 minutes every third day at 6 a.m. Press "Enter" to confirm and then turn the main dial to "System On."

  • Create a specific program by turning the main dial to "Set Watering Day Cycle" and then push "+" or "-" until the desired watering day(s) appears on the display. "7-day" indicates daily sprinkling, "Ev" will water on even-numbered days, "Od" will water on odd-numbered days and "Od31" will water on odd-numbered days with the exception of the 31st of the month. There are also programs for two, three, four, five or six day schedules, which will set the schedule for watering every two days, every three days and so on. Press "Start" to confirm and turn the dial to "System On."

  • Turn the dial to "Select Days to Water" to adjust specific watering days. A row of seven numbers will appear on the display. "1" corresponds to "Monday" and "2" is Tuesday and so on. Push "+" or "-" to turn watering on or off for each specific day. If there is watering that day, a box will appear around the number. Press "Enter" to move through each day of the week and press "Start" to confirm. Turn the dial to "System On."

  • Adjust the watering times by turning the dial to "Set Watering Start Time." Use the "+" or "-" buttons to enter in the desired start time for the program. Press "Enter" and move on to the next watering start time if more than one start time is desired.

  • Change the watering time for each sprinkler station by turning the main dial to "Set Station Duration" and use the "+" or "-" buttons to set the desired watering time for each station, numbered 1, 2 or 3. Press "Enter" to change between each station and turn the dial to "System On."

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