RAIN BIRD ISM SPRINKLER TIMER User Manual
Irrigation System Manager
ISM SPRINKLER TIMER
ISM INSTRUCTION MANUAL
6991 E. Southpoint Road, Bldg #1 Tucson, Arizona 85706, U.S.A.
Expert Advice: 1800 RAINBIRD • http://www.rainbird.com
Rain Bird Corporation Consumer Products
WARNING: A CIRCUIT BREAKER OR
CUTOFF SWITCH IS TO BE PROVIDED IN
THE FIXED WIRING TO ISOLATE THE
CONTROLLER. MEMORY IS RETAINED BY
A BATTERY WHICH IS TO BE DISPOSED OF
IN ACCORDANCE WITH LOCAL REGULATIONS.
CAUTION ICONS
The lightning flash with arrowhead
symbol, within an equilateral triangle,
is intended to alert the user to the
presence of uninsulated “dangerous
voltage” within the product’s
enclosure that may be of sufficient
magnitude to constitute a risk of
electronic shock to persons.
The exclamation point within an
equilateral triangle is intended to
alert the user to the presence of
important operating and maintenance (servicing) instructions in the
literature accompanying the product.
Page 2
ATTENTION: UN DISJONCTEUR OU UN
INTERRUPTEUR DOIT ETRE INSTALLE SUR
LE PRIMAIRE POUR ISOLER LE
PROGRAMMATEUR. LA MEMOIRE EST
MAINTENUE GRACE A UNE BATTERIE
RECHARGEABLE A DISPOSER SELON LA
REGLEMENTATION LOCALE.
CAUTION ICONS
L ’éclair avec le symbole de la flèche,
placé dans les limites d’un triangle
èquilatéral est prévu pour avertir
l’utilisateur de la présence de
“tension dangereuse” non isolé dans
l’enceinte du produit qui pourrait ëtre
d’une importance suffisante pour
présenter un risque d’électrocution
aux personnes.
Le point d’exclamation dans un
triangle èquilatéral est prévu pour
avertir l’utilisateur de la présence
d’instructions importantes pour les
opérations et l’entretien (service)
dans les manuels fournis avec
l’appareil.
ISM Installation, Programming & Operation Guide
Contents
Introduction....................................................4
ISM Sprinkler Timer ............................ 4
Sprinkler Timer Stations ...................... 4
What Is a Program? ............................ 6
Sprinkler Timer Basics ................................... 7
Programming Under Battery Power ....7
Installing the Battery ........................... 8
Controls and Indicators.....................10
Programming Checklist.....................11
Sprinkler Timer Programming Chart ..12
Programming the Sprinkler Timer ............... 15
Erase Any Existing Programming ...... 15
Set Year............................................ 15
Set Month and Day...........................16
Set Time ...........................................17
Programmed Schedules ................... 18
Select Program (A, B or C)................19
Set Watering Day Cycle .................... 20
Select the Watering Days.................. 21
2, 3, 4, 5 or 6-Day Watering Cycle .... 22
Set Program Watering Start Time(s) ..23
Delete Program Watering Start Time(s) .
ISM Installation, Programming & Operation Guide
24
Set Station Duration Times ...............25
Operating the Sprinkler Timer ..................... 26
System Off........................................26
System On .......................................27
Seasonal Adjust (SA) ........................28
Manually Run Stations and Programs .
Run a Test Program ..........................32
Installing the Sprinkler Timer...................... 33
Choose a Proper Location ................33
Mount the Sprinkler Timer................. 34
Connect Main Power Wires ..............35
Connect Field Wires to Remote
Control Valves...................................36
Troubleshooting........................................... 38
Have a question, problem, or comment?
Call Rain Bird Technical Assistance at
1-800-RAINBIRD.
30
Page 3
Introduction
ISM Sprinkler Timer
Thank you for purchasing a Rain Bird ISM
Sprinkler Timer. This manual shows how to
install, program, and operate your irrigation
system timer (sometimes called a “controller”). Please read these instructions carefully
and keep this manual in the slot behind the
timer for future reference.
The Rain Bird ISM is a compact, easy-to-use
sprinkler timer that offers the following
features:
Sprinkler Timer Stations
The Rain Bird ISM is an electronic timer that
controls when your sprinkler system turns on,
and how long the sprinklers run.
The ISM can control 4, 6 or 9 watering
“stations” (depending on the model). A
station is a series of sprinklers, or other
irrigation devices, connected to a common
remote control valve. When the valve
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• Three programs, with independent
watering days
• Up to four watering start times per
program
• Option to set any day of the week as a
watering day
• Seasonal adjust feature across all
programs
• Battery backup to retain time, date, and
programming during power outages
• Three-year Customer Satisfaction Policy
receives a signal from the timer, the valve
opens and turns on the sprinklers connected
to it.
This illustration shows a diagram of a station
layout. Station 1 is currently watering. When
station 1 finishes, the timer shuts it off and
turns on station 2. When station 2 finishes
watering, station 3 begins, and so on.
ISM Installation, Programming & Operation Guide
ISM Installation, Programming & Operation Guide
Page 5
What Is a Program?
Programming is the process of telling the
timer exactly when and how long you want to
water. The timer opens and closes the
remote control valves for each station
according to the program you set.
The ISM offers three independent programs;
A, B and C. Each program controls from one
to nine stations, and lets you customize your
watering schedules to meet the needs of
different types of plants, soil conditions,
slopes, shady or sunny areas, etc.
You will need to understand the following
terms to successfully program your ISM
sprinkler timer.
• Watering day cycle - The period of days in
which the timer repeats the program you
set. For example, a 5-day cycle is a
weekly schedule that repeats once every
five days. A 2-day cycle repeats every
other day.
• Days to water - The specific days within
the watering day cycle when watering
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takes place. In a 7-day cycle, you may
select multiple watering days within the
cycle. For example, you might water on
day 1 (Monday), day 3 (Wednesday), and
day 5 (Friday). In a 2, 3, 4, 5 or 6-day
cycle, day 1 is always the only watering
day. A 2-day cycle waters on day 1, skips
a day, and then waters again on day 1 as
the cycle repeats. A 3-day cycle waters on
day 1, skips 2 days, and then repeats.
• Watering Start time - This is the time the
first station in a program begins watering.
All other programmed stations then follow
in sequence. Each program may have up
to four start times. For example, a program could begin watering at 6:00 a.m.,
10:00 a.m., 12:00 noon, and 6:00 p.m.
NOTE: The term “watering start time”
refers to the time the program
begins - not duration of time that
each station will run.
• Duration - The number of minutes that
each station runs.
ISM Installation, Programming & Operation Guide
Sprinkler Timer Basics
Programming Under Battery Power
If you wish, you can program the timer under
battery power. This feature can be useful if
the timer is installed in an area that is not
readily accessible. This feature also allows
you to enter program information before
installing the timer.
To program the ISM sprinkler timer under
battery power, you must first install the
battery.
NOTE: To save battery power, the ISM
goes into “sleep” mode after a
period of inactivity on the programming dial or buttons. Press any
button once to reactivate the timer.
ISM Installation, Programming & Operation Guide
Page 7
Installing the Battery
The battery back-up feature retains time,
date, and programming information during
power outages. The battery also lets you
program the timer under battery power
before it is connected to an AC power
supply.
For best results, use a long-life, 9-Volt
alkaline battery. A new battery will normally
provide power for up to one year. Replace
the battery yearly to ensure an uninterrupted
power supply.
NOTE: Make sure the timer is
connected to an AC power supply
when replacing the battery, or you
will lose all programming information
including date and time.
To install the battery:
1. Remove the timer’s lower access cover to
expose the battery compartment.
2. Snap the two-wire battery clip onto the
terminals of the new battery. If you are
replacing an old battery, dispose of the old
battery properly.
3. Insert the new battery snugly into the
battery compartment.
4. Replace the lower access cover.
NOTE: If no battery is installed, short
circuit detection may not function as
desired. Please ensure the battery is
installed prior to the operation.
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ISM Installation, Programming & Operation Guide
ISM Installation, Programming & Operation Guide
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Controls and Indicators
This illustration shows the programming
controls on the face of the ISM sprinkler
timer. These controls include:
1. Liquid Crystal Display (LCD) - During
normal operation, displays the time of day
and the programs that will run today.
During programming, shows the results of
your commands. During watering, shows
the station that is running, the minutes
remaining in the station’s run time, and
whether another program is waiting to
water.
2. Up and Down (+) or (-) buttons - Set start
times and days, and make programming
changes.
3. Enter button - Enters programming
commands, and starts manual operation.
4. Prog ABC button - Selects watering
program A, B or C.
5. Programming Dial - Turns the timer off or
on and selects other programming
functions.
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ISM Installation, Programming & Operation Guide
Programming Checklist
To program your ISM sprinkler timer for the
first time, we recommend that you complete
the following steps in the order listed below.
❐ Fill out the Programming Chart .....................................page 12
❐ Set the current year/month/day/time ............................ page 15
For each program:
A B C
❐ ❐ ❐ Select pre-programmed schedules............page 18
❐ ❐ ❐ Select program (A, B or C) ........................page 19
❐ ❐ ❐ Set the watering day cycle ........................page 20
❐ ❐ ❐ Select days to water.................................. page 21
❐ ❐ ❐ Set the program watering start time(s) .......page 23
❐ ❐ ❐ Set the station duration(s).......................... page 25
❐ Set the timer to “system on”......................................... page 27
For your convenience, a check-off box ( ❐ ) is
provided for each step.
ISM Installation, Programming & Operation Guide
Page 11
Sprinkler Timer Programming Chart
Before programming your ISM, fill out the
Programming Chart included with your timer.
Then program the timer in the order shown
on the Programming Checklist. Page 14
shows a completed programming chart.
1. Select the watering day cycle you wish to
use, and circle the watering days within
the cycle. In the example shown for
program A, the operator has chosen a 7day watering cycle and circled M, W, and
F as watering days. This means that
program A will water every Monday,
Wednesday, and Friday.
2. For program B, the operator selected a 3day watering cycle. With these selections,
program B will water once, skip two days,
and then water again on the first day of a
new three day cycle.
3. You may also choose three special watering day cycles that do not require you to
select watering days. These cycles are:
• Ev = Waters only on even-numbered
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days of the month.
• Od = Waters only on odd-numbered
days of the month.
• Od31 = Waters only on odd-numbered
days of the month, but not on the 31st of
any month or on February 29. (This watering day cycle complies with special ordinances in some water-restricted areas).
4. In the Start Times box for program A,
write the time you want the program to
begin watering. You may assign up to four
watering start times to each program. If
you want the program to water only once
each watering day, enter only one start
time. Enter other start times only if you
want to repeat the entire program more
than once each watering day.
5. Enter the watering start time for program
B (if any). In the example, Program A
begins watering at 7 a.m. Program B
begins watering twice each watering day,
once at 5 a.m. and again at 3 p.m.
ISM Installation, Programming & Operation Guide
NOTE: If the total run time for one
program overlaps the start time for a
second program, the timer will
automatically “stack” the programs
and delay the start time of the
second program until the first
program finishes watering.
6. Next to each station number, enter a brief
description of the area covered by each
timer station. Remember, a “station” is a
set of sprinklers operated by one remote
control valve.
This example shows six currently assigned
stations, but your ISM may be able to
control more or less depending on the
model.
7. In the Station Duration column for each
program, enter the number of minutes you
want each station to run.
Notice that stations 1 through 4 are
assigned to program A, while stations 5
and 6 are assigned to program B. The ISM
allows you to use the same station in
multiple programs for special watering
needs. However, for most applications,
choosing not to repeat a station makes
programming simpler.
NOTE: Anytime you use the
“Seasonal Adjustment” feature (see
page 28) the setting applies to all
programs (A, B and C).
ISM Installation, Programming & Operation Guide
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ISM Installation, Programming & Operation Guide
Programming the Sprinkler Timer
Erase Any Existing Programming
Use the following procedure any time you
want to erase all programming in the timer’s
memory and “start from scratch”.
1. Unplug the transformer from the wall.
2. Disconnect the battery clip from the
battery.
3. Wait 10 seconds.
Set Year
1. Turn the Programming Dial to Set Current
DATE/TIME position.
2. Press the (+) or (-) buttons to set the
current year.
3. Press Enter.
4. Reconnect the battery clip to the battery.
5. Plug the transformer back into the wall.
“AM 12:00” will appear in the display. All
previous programming is now erased, and
you may turn the Programming Dial to the
Set Current DATE/TIME position and begin
setting the Year, Month, Day, and Time.
ISM Installation, Programming & Operation Guide
Page 15
Set Month and Day
1. After setting the correct year, leave the
Programming Dial on Set Current DATE/
TIME.
2. The month and day appear as “01 01,”
with the first “01” flashing (representing the
month). A cursor will appear under the Set
Month icon.
3. Press the (+) or (-) buttons to set the
current month (1 through 12).
4. Press Enter.
5. The second “01” begins flashing
(representing the day of the month). A
cursor will appear under the Set Day icon.
6. Press the (+) or (-) buttons to set the
current day (1 through 31).
7. Press Enter.
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ISM Installation, Programming & Operation Guide
Set Time
1. After setting the correct month and date,
leave the Programming Dial on Set Current
DATE/TIME.
2. The time of day appears in the display. The
display will also show AM or PM (for
example, 12:01 AM).
A cursor will appear under the Set Times
icon.
3. Press the (+) or (-) buttons to set the
current hour (1 through 12 AM or PM).
4. Press Enter.
5. The minute digits begin flashing.
6. Press the (+) or (-) buttons to set the
current minute (1 through 59).
7. Press Enter. Turn the Programming Dial
back to the SYSTEM ON position.
ISM Installation, Programming & Operation Guide
Page 17
Pre-Programmed Schedules
Use this procedure if you want to select a
pre-programmed schedule. If you want to set
your own custom watering schedule, go
directly to Select Program (A, B or C) on
page 19.
For your convenience, the ISM has THREE
PRE-PROGRAMMED watering schedules
you can select for any program (A, B or C).
These schedules are already programmed
into the timer, and are shown below.
• Pre-Programmed 1 (5 Pr E1) - Waters all
stations for five minutes three times every
day at 6 a.m., 10 a.m., and 2 p.m.
• Pre-Programmed 2 (10 Pr E2) - Waters all
stations for ten minutes every other day at
6 a.m.
• Pre-Programmed 3 (10 Pr E3) - Waters all
stations for ten minutes every third day at
6 a.m.
1. Turn the Programming Dial to PRE-
PROGRAMMED SCHEDULES.
2. The first pre-programmed schedule (5 Pr
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E1) appears in the display.
3. To select one of the other pre-programmed schedules, press the (+) or (-)
buttons until the desired schedule appears
in the display .
4. Press the Prog ABC button until the desired
program letter (A, B or C) appears in the
display with the pre-programmed
schedule.
5. Then press Enter. The program letter
flashes to confirm your selection.
After selecting a pre-programmed schedule,
you can modify the program settings
(watering day, watering start time, etc.) by
using the programming steps given on the
following pages.
6. Turn the Programming Dial back to the
SYSTEM ON position.
ISM Installation, Programming & Operation Guide
Select Program (A, B or C)
Program A is already programmed for your
convenience. You can also completely
customize your own watering schedules by
following the steps on page 20-25.
Programs B and C are not pre-programmed.
1. Turn the Programming Dial to SET
WATERING DAY CYCLE.
2. The letter of the currently selected
program (A, B or C) appears in the display.
3. Press the Prog ABC button until the desired
program (A, B or C) appears in the display.
Remember, if you plan to use only one
program, use program A.
NOTE: It is easier to select one
program (A, B or C) and program it
completely before moving on to the
next program. Switching from
program to program can be
confusing.
ISM Installation, Programming & Operation Guide
Page 19
Set Watering Day Cycle
Use the procedure below if you want to set
your own custom watering schedule. Make
sure the Programming Dial is on SET
WATERING DAY CYCLE.
NOTE: If you have selected a pre-
programmed schedule (page 18),
skip this page. Go directly to “Set
Program Watering Start Time(s)” on
page 23.
1. Press the (+) or (-) buttons until the
watering day cycle you want to use
appears in the display along with the
selected program (A, B or C). Available
watering day cycles include:
• 7-day (Custom) - Waters on a weekly
cycle; any day of the week can be a
watering day.
• Ev -
Waters only on even-numbered days.
• Od -
Waters only on odd-numbered days.
• Od31 - Waters only on odd-numbered
days, except the 31st of any month and
February 29th. (This watering day cycle
complies with special ordinances in some
water-restricted areas).
• 2-, 3-, 4-, 5 or 6-day - Waters only on
the first day of a repeating 2-, 3-, or 5-day
cycle.
2. If you select a 7-day, or a 2-, 3-, 4-, 5 or
6-day watering cycle, go to “Select Days
to Water” on page 22.
NOTE: If you select Ev, Od, Od31 or 1
day as your watering day cycle, you
do not have to select the watering
days. Go directly to “Set Program
Watering Start Time(s)” on page 23.
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ISM Installation, Programming & Operation Guide
Select Days to Water
Use the procedure below to select the
watering days for a 7-day custom watering
cycle.
7-Day Watering Cycle
1. Turn the Programming Dial to SELECT DAYS
TO WATER.
2. If you selected a 7-day watering cycle, the
seven weekdays appear as a row of
numbers and the number “1” in the day
cycle flashes (day 1 is Monday, day 2 is
Tuesday, etc).
3. The display shows the program’s letter (A,
B or C).
4. A number appears, indicating the “today”
number (the day on which you are
programming the timer). The day’s
abbreviation also appears in the display.
5. Press the (+) or (-) buttons to turn a
particular watering day ON or OFF. An ON
day has a box around it. An OFF day has
no box around it.
ISM Installation, Programming & Operation Guide
6. Press Enter to move to the next day.
7. Repeat steps 5 through 7 for each day.
8. Proceed to set to SET WA TERING ST ART
TIME(S).
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2-, 3-, 4-, 5 or 6-Day
Watering Cycle
Use the procedure below if you selected a 2-,
3-, 4-, 5 or 6-day watering cycle.
1. Turn the Programming Dial to SELECT DAYS
TO WATER .
2. If you selected a 2-, 3-, 4-, 5 or 6-day
watering cycle, the row of days in that
cycle appears in the display with a box
around day 1.
NOTE: The only watering day in a 2-,
3-, 4-, 5 or 6-day cycle is day 1.
3. The display shows the program’s letter (A,
B or C).
4. A flashing number appears in the display,
indicating where “today” is in the watering
cycle.
5. Press the (+) or (-) buttons to move
today’s position in the watering cycle.
You may now set program watering start
times as shown on page 23.
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ISM Installation, Programming & Operation Guide
Set Program Watering Start Time(s)
The watering start time for your program is
the time that the first programmed station
begins to run. Up to 4 watering start times
may be entered per program. Each
subsequent station will then run in sequence.
There is a 2-second delay between the
activation of stations.
1. Turn the Programming Dial to SET
WATERING START TIME.
2. The program letter (A, B or C), the number
“1” (indicating the earliest start time), and
a row of four dashes “--.--” appear in the
display.
3. Press the (+) or (-) buttons to set the
program start time. If you want all the
stations on the program to run only once
each watering day, enter only one start
time for the program.
4. To enter another watering start time, press
Enter. The next watering start time number
(2-, 3 or 4) and a row of four dashes
appear in the display. Repeat steps 3 and
ISM Installation, Programming & Operation Guide
4 to set up to four separate watering start
times for each program, if needed.
NOTE: If you selected one of the preprogrammed schedules, you will see
the default watering start time(s) for
that schedule.
Page 23
Delete Program Watering Start Time(s)
1. If you want to delete an unwanted
watering start time from a program, turn
the Programming Dial to SET WA TERING
START TIME(S).
2. Press Enter to select the start time number
(1, 2, 3 or 4) you want to delete.
NOTE: Watering start times appear in
chronological order. The earliest
watering start time is number 1, the
next later watering start time is
number 2, and so on. If you delete a
watering start time, all later start
times are automatically advanced by
one watering start time number. This
re-numbering only occurs after you
move the Programming Dial from the
SET WATERING ST AR T TIME(S) position
to another function.
3. The watering start time number to be
deleted appears in the display.
4. Press the (+) or (-) buttons until the blank
position (four dashes, “--.--”) appears in
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the display.
5. Turn the Programming Dial back to the
SYSTEM ON position. The unwanted
watering start time is now deleted.
ISM Installation, Programming & Operation Guide
Set Station Duration
1. Turn the Programming Dial to SET STATION
DURATION.
2. The program letter (A, B or C), the number
“1” (indicating the station number), and “0”
appear in the display.
3. Press the (+) or (-) buttons to set the
amount of time you want it to run for
station number 1. You can set a station to
run from 0 minutes up to 240 minutes
(four hours), in one-minute increments. All
durations display in minutes (for example,
a two hour duration will appear as 120
minutes).
NOTE: If you do not want to include a
particular station in the selected
program, set that station’s duration
to zero “0”.
4. Press Enter to display additional stations.
Repeat steps 3 and 4 to set a duration for
each station.
You have now completed all programming
ISM Installation, Programming & Operation Guide
steps for one program. If you are finished
programming, turn the Programming Dial to
the SYSTEM ON position to run all programs
automatically. If you want to enter settings for
another program, repeat the programming
instructions, beginning with “Select Program
(A, B or C)” on page 19.
Page 25
Operating the Sprinkler Timer
After programming the timer, you will
normally set it to SYSTEM ON mode to operate
all programs automatically. You can also
manually run one or more programs, or
manually run a single station or several
stations.
In addition, you can adjust for changes in the
weather or time of year with the Seasonal
Adjust feature to increase or decrease the
run time of all programs by a selected
percentage (in 10% increments). You may
also wish to run a test program to make sure
all sprinklers in the system operate properly.
System Off
1. To turn the timer off and suspend all
watering, turn the Programming Dial to
SYSTEM OFF.
2. In the SYSTEM OFF position, the LCD
displays OFF. The timer remembers the
current time and date and retains all
programming, but no watering occurs.
You may wish to turn the timer OFF during
a rainy period, or for any day(s) when you
do not want watering programs to run as
scheduled.
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ISM Installation, Programming & Operation Guide
System On
1. To return the timer to automatic operation,
turn the Programming Dial to SYSTEM ON.
2. When the timer IS NOT watering, it
displays:
• Any program (A, B or C, or none)
scheduled to water today.
• The current time.
• %A %B %C, if there is a Seasonal
Adjust setting other than 100%.
3. When the timer IS watering, it displays:
• Any programs (A, B or C) scheduled to
run today.
• The station number currently running.
• The duration time remaining for that
station.
• %A %B %C, if there is a Seasonal
Adjust setting other than 100%.
4. If a problem or short is detected in any of
the stations, the display toggles every 3
seconds and shows an error message "Err
#", # being the station where the problem
was detected. For example, if the master
ISM Installation, Programming & Operation Guide
valve has a problem, it shows "Err M". For
station 3 - "Err 3". The station is
automatically ignored until the cause of
error is corrected. Refer to the Troubleshooting section of this manual for more
information.
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