Rain Bird ISM-6 Instruction Manual

Manual Rain Bird ISM-6 Instruction Manual

Rain Bird ISM-6 Instruction Manual

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Rain Bird ISM-6

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Rain Bird ISM-6 Instructions

Here we offer the Rain Bird ISM-6 manual completely free and in English. We have cataloged this manual in the Irrigation Controllers section on Manualverse, and it has been rated by 1 users with an average rating of 5. If you have any specific questions about Rain Bird ISM-6, we suggest checking the Frequently Asked Questions (FAQs) section of this manual.


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Rain Bird ISM-6 Specifications

Feature Specification
Model Rain Bird ISM-6
Number of Stations 6
Programs 3 independent programs (A, B, C)
Watering Start Times per Program Up to 4
Station Duration Range 0 to 240 minutes (4 hours) in 1-minute increments
Watering Day Cycles 7-day (custom), Even days (Ev), Odd days (Od), Odd days excluding 31st and Feb 29 (Od31), 2-day, 3-day, 4-day, 5-day, 6-day
Seasonal Adjust Range 10% to 200% (in 10% increments)
Power Supply External transformer, reduces to 24 VAC
Memory Backup Battery 9-Volt alkaline battery (retains time, date, programming)
Battery Life (typical) Up to one year
Station Activation Delay 2 seconds between stations
Installation Environment Indoors only (outdoor requires water-resistant cabinet)
Display Liquid Crystal Display (LCD)
Error Detection Short circuit detection with "Err #" display

Rain Bird ISM-6 Details

The Rain Bird ISM-6 Sprinkler Timer is designed for ease of use and offers comprehensive control over irrigation systems. It features a compact design and an intuitive interface that simplifies programming and operation for both novice and experienced users. The timer's ability to store three independent programs (A, B, and C) allows for highly customized watering schedules tailored to specific plant types, soil conditions, or sun exposure across different zones.

Each program can be configured with up to four distinct watering start times, providing flexibility for multiple watering cycles within a single day. This is particularly useful for new plantings or areas requiring more frequent, shorter watering intervals. The timer also offers a variety of watering day cycles, including a customizable 7-day week, even or odd day watering, and specific multi-day cycles (2, 3, 4, 5, or 6 days), accommodating diverse watering restrictions or preferences.

A standout feature is the Seasonal Adjust (SA) function, which allows users to collectively increase or decrease the duration of all programmed stations across all active programs. This adjustment can range from 10% to 200% in 10% increments, making it simple to adapt watering schedules to seasonal changes like hot, dry summers or cool, wet winters without reprogramming each station individually. This smart feature ensures water conservation and optimal plant health.

For added convenience, the ISM-6 includes three pre-programmed schedules. These allow for quick setup if the default settings (e.g., 5 minutes, 3 times daily; 10 minutes every other day; 10 minutes every third day) meet the user's basic needs. These pre-programmed options can also be modified to serve as a starting point for custom schedules, reducing initial programming effort.

The timer incorporates a battery backup system, utilizing a 9-Volt alkaline battery, which safeguards all time, date, and program settings during power outages. This ensures uninterrupted operation even if the main power supply is temporarily lost. Additionally, the unit can be programmed while running on battery power, offering the convenience of programming prior to full installation or in locations without immediate AC access.

Operating the ISM-6 is straightforward, with dedicated modes for system control. Users can manually run individual stations or entire programs, which is ideal for testing or providing extra water to specific areas as needed. The built-in test program further enhances usability by running each station with a non-zero watering time sequentially, allowing for easy verification of sprinkler system functionality. The LCD display provides clear feedback on current operations, program status, and error messages.

Troubleshooting is made easier with specific error codes displayed on the LCD, such as "Err #" for short circuits in a station's wiring or solenoid. This immediate feedback helps users quickly diagnose and address issues, ensuring continuous and reliable irrigation. The robust design and thoughtful features make the Rain Bird ISM-6 a reliable and efficient choice for managing residential or light commercial irrigation systems.

Frequently Asked Questions (FAQs)

Can't find the answer you need? Here are some frequently asked questions about the Rain Bird ISM-6, and we answer them below.


What is the maximum number of stations the Rain Bird ISM-6 can control?
The Rain Bird ISM-6 is designed to control up to 6 watering stations.

How many independent programs can I set on the ISM-6?
You can set up to three independent programs, labeled A, B, and C, each with its own watering days and start times.

What is the purpose of the Seasonal Adjust feature?
Seasonal Adjust allows you to increase or decrease the duration of all stations across all programs by a percentage (10% to 200%), helping to adapt watering to weather changes without full reprogramming.

How do I reset all programming and start fresh on the ISM-6?
To erase all programming, unplug the transformer, disconnect the battery clip, wait 10 seconds, then reconnect the battery and plug the transformer back in. "AM 12:00" will appear, indicating a full reset.

What battery does the Rain Bird ISM-6 use for backup, and how long does it last?
It uses a 9-Volt alkaline battery for backup, which typically provides power for up to one year to retain time, date, and programming during power outages.

Can I program the ISM-6 without AC power?
Yes, you can program the timer under battery power after installing the 9-Volt battery. The timer will enter "sleep" mode after inactivity to save battery life.

What does it mean if the LCD display shows 'Err #'?
"Err #" indicates a short circuit overload on a particular station, where '#' is the station number. This usually points to a problem with the solenoid, valve wiring, or field wires.

Why is my program not starting as scheduled?
This could be due to the Programming Dial being set to "SYSTEM OFF", incorrect or missing start times, today not being set as a watering day, or the water supply being shut off. Check these settings according to the manual.

Can I manually run a single station or an entire program?
Yes, the ISM-6 allows you to manually run individual stations for a set duration or activate an entire program by turning the dial to the respective manual run positions.

What is the range for setting station duration times?
You can set a station to run from 0 minutes up to 240 minutes (four hours) in one-minute increments.

How do pre-programmed schedules work on the ISM-6?
The ISM-6 has three pre-programmed watering schedules that can be selected for any program (A, B, or C) as a quick setup option. These can also be modified after selection.

What happens if two programs' start times overlap?
If the total run time for one program overlaps the start time for a second program, the timer automatically "stacks" them, delaying the start time of the second program until the first one finishes.

Where should I install the Rain Bird ISM-6?
The ISM-6 must be installed indoors only. Choose a secure location at eye level, within 5 feet (1.5m) of an electrical outlet, and at least 15 feet (4.6m) away from high-draw motors.

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