Rain Bird ISM Instruction Manual
Rain Bird Corporation Consumer Products
6991 E. Southpoint Road, Bldg #1 Tucson, Arizona 85706, U.S.A.
Expert Advice: 1800 RAINBIRD • http://www.rainbird.com
Irrigation System Manager
ISM SPRINKLER TIMER
ISM INSTRUCTION MANUAL
ISM Installation, Programming & Operation Guide
Page 2
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.
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
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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) .
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 .
30
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.
ISM Installation, Programming & Operation Guide
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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:
• 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
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
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.
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ISM Installation, Programming & Operation Guide
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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
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
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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
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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
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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.
ISM Installation, Programming & Operation Guide
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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.
For your convenience, a check-off box ( ❐ ) is
provided for each step.
❐ 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
ISM Installation, Programming & Operation Guide
Page 12
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
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.
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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).
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