ISA 300 / 400 SPRINKLER TIMER
Installation, Programming, and Operation Guide
RAIN BIRD IRRIGATION CORPORATION
Technical Services: 800-247-3782 • http://www.rainbird.com
CONTENTS
INTRODUCTION .............................. 1
ISA Timer Features and Benefits............. 1
Timer Stations ......................................... 2
ISA Timer Controls and Indicators .......... 3
INSTALL TIMER ............................... 4
Select Location ....................................... 4
Mount Timer ............................................ 5
Install Battery ........................................... 5
Connect Field Wiring ............................... 7
Select Proper Wire ............................ 7
Connect Valve Wires to Timer .......... 7
If Using a Master Valve or Pump
Start Relay ........................................ 9
Connect Transformer ............................ 11
PROGRAM TIMER .......................... 13
Set Current Time and Day ..................... 14
Select a Program .................................. 15
Pre-Set Watering Schedules ................. 16
Select a Pre-Set Schedule .................... 17
Modify a Pre-Set Schedule ................... 19
Set Schedule Watering Days
or Watering Interval......................... 19
Set Schedule Start Time(s) .......................... 21
Set Station Watering Duration
(Run Times) ........................................... 23
View Pre-Set Schedule Information....... 24
OPERATING THE TIMER ................ 26
Turn the Timer On and Off ..................... 26
Run a System Test ................................ 27
Manually Run a Program or
Single Station ........................................ 29
Run Program(s) Manually .............. 29
Run Station(s) Manually ................. 30
Adjust Watering Percentage ................. 32
WINTERIZING THE SYSTEM .......... 33
TROUBLESHOOTING ..................... 34
English
INTRODUCTION
Thank you for purchasing a Rain Bird ISA 300 / 400
Series Sprinkler Timer. ISA timers provide simple
programming and flexible watering schedules to
meet almost any landscape’s needs. These timers
can be used with any 110 VAC / 60 Hz electrical
outlet (240 VAC / 50 Hz for the international
version).
This manual describes how to install, program, and
operate your timer. Read this manual carefully and
keep it in a handy place for future reference.
If you have any problems with your ISA Sprinkler
Timer, please call the Rain Bird Technical
Assistance hotline at 800-247-3782 before returning
your timer for service. You may also be able to find
information to help solve your problem on the
Rain Bird web site: www.rainbird.com.
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ISA Timer Features and
Benefits
The ISA Sprinkler Timer is an electronic clock that
controls when your sprinkler system turns on and
how long the sprinklers run. The ISA timers offer
several advanced features, including:
• Large LCD display and easy-to-use programming
dial and buttons
• Six convenient pre-set watering schedules
• Two independent watering programs (ISA 400
models)
• Up to three watering start times per program
• Ability to control four, six, or eight watering stations
(depending on model)
• Rain-Off feature can suspend watering and retain
all programmed information
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Timer Stations
Most sprinkler systems divide the yard into “stations”
(also called “zones”). You can program each station
to water for a different length of time, so the amount
of water fits the different plant types, soil conditions,
and sunny/shady areas in the yard.
Each station has an irrigation valve that runs several
sprinklers. An electric signal from the timer opens
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the first valve, which turns on the sprinklers
connected to it. When these sprinklers have run for
their programmed time, the timer closes the first
valve and opens the second valve.
For example, the illustration below shows that station
1 is currently watering. When station 1 finishes, the
timer will shut it off and start station 2. When station 2
finishes, station 3 begins, and so on.
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ISA Timer Controls and Indicators
This illustration shows the programming controls on
the face of the ISA Sprinkler Timer. These controls
include:
“Manual On” button
“Advance” button
Up/ Down arrow buttons
LCD display
Programming dial
“Program A/B” button
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INSTALL TIMER
Before installing your ISA Sprinkler Timer, make sure
you have the following tools and equipment:
• Phillips screwdriver
• Three #10 screws (1¼'' / 32mm)
• 9-volt alkaline battery (not included)
• 18-gauge color-coded, multi-strand, direct-burial
wire for wire runs of less than 800 feet. (For runs
longer than 800 feet, use 14-gauge color-coded,
multi-strand, direct-burial wire).
• Watertight wire splice connectors
• Plastic mounting anchors (may be required for
plaster or masonry walls)
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Select Location
::
NOTE
: The ISA Timer is for INDOOR use
::
only. If you must install it outdoors, use a
water-resistant cabinet, such as the Rain
Bird Model TC-2 Timer Cabinet. The TC-2
is a heavy-duty, weather-resistant plastic
case that lets you convert any indoor-only
timer to outdoor use.
Select a convenient indoor location within six feet
(1,9 m) of a 120-volt AC electrical outlet (240-volt
outlet for international 50 Hz models). The mounting
location should be completely protected from
moisture, direct sunlight, and freezing temperatures.
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Mount Timer
Screw two #10 screws into the wall 4¾''
(120 mm) apart. Leave
of each screw head protruding from the wall.
(Use plastic mounting anchors for plaster or
masonry).
Place the two keyhole-shaped slots on the back
of the timer over the screw heads. Then slide the
timer securely down onto the screws.
OPTIONAL: To further secure the timer, remove
the timer’s lower access cover by gently pulling
the cover off using the slots on the left and right
sides of the timer. Then drive a third screw
through the lower middle hole.
1
'' to ¼'' (3,2 to 6,4 mm)
8
Install Battery
During a power outage, the battery preserves your
programmed watering schedules. A newly installed
battery will hold information for up to six hours if
power goes out.
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NOTES
::
: The battery serves as memory
::
back-up only. You can program the timer
on battery power, but the system will not
water without AC power.
Replace the battery once a year. If power
outages occur frequently, you may need
to change the battery more often.
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::
NOTE
: When replacing the battery,
::
DO NOT unplug the transformer or you
will lose all programmed information.
If the battery fails during a power outage, the timer
will revert to its default watering program. The default
program waters each station every day for 10
minutes, starting eight hours after AC power
resumes. The default program will continue until you
reprogram the timer.
To install the battery, remove the timer’s lower
access cover by gently prying out the cover at
the slots on the left and right sides of the timer.
Connect the terminals of a 9-volt alkaline battery
to the timer’s two-wire battery clip. (DO NOT
use a rechargeable battery). The display flashes
“AC OFF” and “8:00 AM.”
Replace the lower access cover, or connect field
wiring as described in “Connect Field Wiring” on
page 7.
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CAUTION
contact the timer’s terminal strip.
::
: DO NOT allow the battery to
::
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Connect Field Wiring
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Select Proper Wire
For wire runs of less than 800 feet, use 18-gauge
color-coded, multi-strand, direct burial wire. For
longer runs, use 14-gauge wire of the same type.
Choose wire that has one strand for each valve in
your system, plus one strand for the common wire.
For example, use five-strand wire if you have four
valves, seven-strand wire for six valves, etc.
Tape off spare wire strands for future system use or
troubleshooting. Wire that is buried underground
must have watertight connections and be codeapproved for underground use. Avoid placing
underground wire in places where it may be
damaged by digging or other activities.
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Connect Valve Wires to Timer
Each valve connects to the timer with two wires: a
“hot wire” of its own, and a “common wire” that it
shares with the other valves.
::
NOTE
: The ISA Series Timers can be
::
used with most hydroindexing valves.
Please contact the valve manufacturer for
more information.
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English
Remove the timer’s lower access cover by gently
prying out the cover at the slots on the left and
right sides of the timer.
Splice together one wire from each valve (usually
the white strand) to create a single “common”
wire. Connect the common wire to the terminal
screw labeled “COM.”
::
NOTE
: Make sure all wire connections
::
are tight and in firm contact with the
terminal screws. Use watertight splice
connectors to prevent corrosion and
avoid short circuits.
Connect each valve “hot” wire to a numbered
screw on the timer’s terminal strip. Connect the
wire from valve number 1 to terminal screw 1;
connect the wire from valve 2 to terminal screw
2, and so on.
CAUTION
than one valve wire to each terminal
screw. Wiring more than one valve to
each terminal will damage the timer. Also,
if you are using more than one timer, do
not share “common” wires between them.
::
: DO NOT connect more
::
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After connecting all valve wires, replace the
timer’s lower access cover.
::
NOTE
: To save water and money, you
::
can also install a rain sensor, such as
Rain Bird’s RS-1 Rain Shut Off. The RS-1
measures rainfall and prevents
unnecessary watering.
If Using a Master Valve or Pump
Start Relay
(Optional ISA 400 Series only)
::
NOTE
: Complete this section only if you
::
are using a pump start relay or a master
valve (an automatic valve installed on the
mainline pipe upstream from the station
valves). The timer does not provide the
main power for a pump.
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ISA 400 Series Timers allow a master valve or pump
start relay to operate whenever a valve is operating.
Pumps are used in some places to draw water from
a well or other source.
If you are activating a pump from the timer, you must
also install a Pump Control Relay, such as
Rain Bird’s PCR-1. The PCR-1 offers solid-state
reliability and can activate most 120- or 240-volt
pump motors up to two horsepower.
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Connect the color-coded “hot” wire from the
master valve or pump start relay to the timer
terminal screw marked “MV.”
Connect the common wire from the master
valve / pump start relay to the common wire
coming from the station valves. This wire
connects to the timer terminal screw marked
“COM.”
::
NOTE
: Make sure that the total draw of
::
the master valve or pump start relay plus
the draw of the valve does not exceed
0.650 Amps at 24 VAC, 60 Hz.
To avoid possible pump damage, connect a
short “jumper” wire from any unused station
terminal(s) to the nearest terminal screw in
use. For example, if you have an eight-station
timer with only four stations in use, jumper
stations five through eight to the nearest active
station (four).
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Connect Transformer
After installing the battery and connecting the field
wires, you are ready to connect the timer’s
transformer.
CAUTION
transformer until you have completed and
checked all wiring connections. Also, do
not attempt to link two or more timers
together with a single transformer.
Remove the timer’s lower access cover by
gently pulling the lower access cover off using
the slots on the left and right sides of the timer.
Turn the dial to RAIN / OFF.
Plug the pigtail connector (located on the end of
the transformer wire) into the two-prong
connector to the left of the battery compartment.
::
: DO NOT plug in the
::
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English
Plug the transformer into an electrical outlet. The
display flashes the hour digits and “OFF.”
::
NOTE
: If the display does not come on,
::
verify that the battery is new and securely
connected.
Turn the dial to AUTO / RUN.
This completes the installation and wiring process.
You are now ready to program your timer.
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PROGRAM TIMER
Programming is the process of telling the timer when
and how long you want to water. The timer opens
and closes the irrigation valves according to the
program you set.
Each program contains:
• Watering days — the specific days of the
week on which watering takes place (for
example, Monday, Wednesday, and Friday for a
“Custom” schedule), or a watering interval (for
example, every third day).
• Start time — the time(s) of day that the
program begins. This is the time that the first
station in the program begins watering; all other
stations then follow in sequence.
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• Watering duration (run time) — the
number of minutes that each station runs.
When programming, you can only change the field
that is flashing in the LCD display. If you want to
change something that is not flashing, press
the desired field flashes. Then change it by pressing
the V or V buttons.
::
NOTE
: For normal timer operation, turn
::
the dial to the AUTO / RUN position. If
the dial is left in any other position,
schedules will not water as programmed.
V
until
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English
V
V
V
Set Current Time and Day
You must set the current time and day the first time
you program the timer, and after any power
interruption.
Turn the dial to TIME & DAY. The hour and
minute digits flash in the display.
Press
Press
Press
Press
Make sure the correct AM / PM time indicator
Press
Press
¡ The display should now show the correct time
V
and the day of the week will flash.
or V until the correct day of the week
appears in the display.
V
and the hour will flash.
or V until the current hour appears in
the display.
appears in the right-hand side of the display.
V
and the minute digits will flash.
or V until the current minute appears in
the display.
and day.
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Select a Program
(ISA Models 406 & 408 Only)
ISA Timer models 406 and 408 have two programs, A
and B. Each program can have its own watering
schedule and start times. For example, Program A
could run on Monday, Wednesday, and Friday, while
Program B could run on Tuesday, Thursday, and
Saturday.
You can assign any station to Program A, Program B,
or both. If you only plan to use one program, use
Program A.
The currently selected program appears in the
left-hand side of the LCD display. The display will
show either “PGM A” or “PGM B.”
To select a program, press the Program A/B
button until the program you want appears in the
display. Pressing the Program A/B button
switches back and forth between the two
programs.
::
NOTE
: It is easier to select one program
::
(A or B) and program it completely before
moving to the second program.
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Pre-Set Watering Schedules
For your convenience, the ISA Sprinkler Timer has
six pre-set watering schedules (“C” and 1 – 5). The
pre-set schedules are already programmed into the
timer and are shown in the table to the right.
The watering schedule you choose determines:
• What days watering occurs
• What time(s) watering starts (up to three
different start times per day)
• How long the sprinklers on each station run
(duration)
Once you’ve selected a pre-set schedule, you can
either use that schedule’s default watering days and
times, or modify the schedule to suit your own
watering needs.
::
NOTE
: Even if you want to create your
::
own “Custom” watering schedule, you
must select one of the pre-set schedules
first. Then modify it to fit your needs.
Schedule Watering Days
C Every day 8:00 am 10 minutes
1 Every day 8:00 am 10 minutes
2 Every day 6:00 am,
3 Every other day 6:00 am 10 minutes
4 Every third day 6:00 am 10 minutes
5 Every fourth day 6:00 am 15 minutes
Start
Times
10:00 am,
&
2:00 pm
Watering
Duration
5 minutes
If you want to water on specific days of the week
(e.g., Monday, Wednesday, and Friday), select preset schedule “C.”
If you want to water on a fixed interval (e.g., every
day, every third day, etc.), select a pre-set schedule,
1 through 5.
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Select a Pre-Set Schedule
V
Turn the dial to PRE-SET SCHEDULES.
“C” flashes in the display.
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Press
you want.
or V to display the pre-set schedule
When the schedule you want appears, press
to select it.
The schedule number flashes, and a box
appears around “SCHED” in the display. This
shows that you have “locked-in” the schedule.
The display also shows the watering days and
the schedule’s first start time.
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English
If you want the pre-set schedule you selected to
water on its default days and time(s), just turn the
dial to
AUTO / RUN to run the schedule
automatically.
Now that you’ve chosen a pre-set schedule, no other
programming is necessary. One of the pre-set
schedules will meet most homeowner’s watering
needs. However, if you want to modify the schedule,
continue on to “Modify a Pre-Set Schedule.“
::
NOTE
: For dual-program models (ISA 406
::
and 408), you can select a schedule for
Program B.
Press the Program A/B button until
Program B appears in the display. Then
repeat steps 3 – 5 to lock in a pre-set
schedule for Program B.
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Modify a Pre-Set Schedule
V
To modify a Pre-Set Schedule, you must first “select”
it as described on page 17. You can then modify the:
• Watering day(s) (if you chose Custom C)
• Watering interval (if you chose Pre-Set Schedule
1 – 5)
• Start time
• Station watering duration
You must also set the schedule’s start time(s), and
set each station’s watering duration. Follow the
procedures below to modify the Pre-Set Schedule
you selected.
Set Schedule Watering Days or
Watering Interval
If You Chose Pre-Set Schedule “C:”
Turn the dial to CUSTOM SCHEDULE —
DAYS.
The days of the week appear at the bottom of
the display with “SU” (Sunday) flashing. Press
or V to turn watering OFF or ON for that day.
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English
V
V
Press
Press
If You Chose Pre-Set Schedule 1 through 5:
V
to move to the next day of the week.
or V to turn watering OFF or ON for that
day. Repeat Steps 3 and 4 for each day of the
week. The bottom of the display will show all ON
days only.
Turn the dial to CUSTOM SCHEDULE —
DAYS.
The selected pre-set watering schedule (1 – 5)
flashes at the top of the display. For example, if
you locked in Pre-Set Schedule 1, “Every 1
Days” would be flashing.
Press
want. You can choose any interval from “Every 1
Day” to “Every 7 Days.”
or V to select the watering interval you
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Set Schedule Start Time(s)
Turn the dial to CUSTOM SCHEDULE —
STARTS. Start time 1 flashes in the display.
You can program up to three start times per day.
You can program all three start times, or leave
one or two of them turned off. At least one start
time must be activated for the system to water.
::
NOTE
: Do not confuse start time
::
numbers with station numbers. When you
are setting start times, the word “Start”
appears in the bottom of the display.
If you set up more than one start time for a
program, the program will run several
times a day — even if the start times are
all the same. For example, if you enter
three 8:00 a.m. start times, the program
will run three times, starting at 8:00 in the
morning.
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English
V
Press
Press
To set additional start times, press
Press
V
and the time of start 1 flashes.
or V to set the start time you want. You
can set start times in increments of 15 minutes.
To turn off a start time, advance the time past
11:45 p.m. (The OFF position is between 11:45
p.m. and 12:00 a.m.)
V
and start 1
will flash again.
V
to advance to start 2.
Repeat steps 2 through 6 to set start times 2 and
3, if necessary.
Set Station Watering Duration
(Run Times)
Turn the dial to CUSTOM SCHEDULE —
DURATION. Station 1 flashes and its watering
duration appears in the right side of the display.
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To change the watering duration of any station,
V
V
press V or V until the desired station number
flashes in the display.
Then press
V
. The watering duration minutes
flash. You can set each station for a different
watering duration from 1 minute to 2 hours.
Press
or V to set the length of time you want
the station to water. To turn off the station, press
to move past :01 minutes until OFF appears
in the display. The OFF position is between :01
minutes and 2:00 hours.
Press
V
and repeat steps 2 – 5 for each station.
This completes the programming for a custom
schedule.
Turn the dial to AUTO / RUN to resume normal
operation.
::
NOTE
: For dual program models
::
(ISA 406 and 408), press the Program A/B
button to switch programs. Then repeat
all programming steps for the second
program.
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English
V
View Pre-Set Schedule Information
If you wish, you can use this procedure to view the
default watering information for any Pre-Set
Schedule. The same information is shown in the table
on page 16.
::
NOTE
: You cannot modify any schedule
::
information displayed during this step.
This procedure only lets you view the
schedule information.
Turn the dial to PRE-SET SCHEDULES.
Press
schedule you want to view.
Press
shows the time set for start #1.
Press
shows the start time for start #2. Repeat to view
start #3.
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or V until the display shows the
V
. Start time 1 flashes and the display
V
. Start time 2 flashes and the display
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Press
V
. Station 1 flashes and the display shows
the watering duration set for Station 1.
Press
V
. Station 2 flashes and the display shows
the watering duration for Station 2. Repeat to view
additional stations.
Press
V
. The display shows the schedule number
and watering frequency (for example, “Every 2
Days”).
Repeat steps 2 through 7 to review additional
schedules.
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OPERATING THE TIMER
Turn the Timer On and Off
To set the timer to automatic operation, turn the
dial to AUTO / RUN. The display will show the
current day and time, and all Pre-Set and Custom
schedules will water automatically.
::
NOTE
: The dial must be in the AUTO /
::
RUN position to water automatically. If the
dial is in any other position, your watering
schedule(s) will NOT run.
To turn off the timer and prevent all watering, turn
the dial to RAIN / OFF. The display will show the
current day and time and will alternately flash
“OFF” to show you the timer has been turned off.
You may want to turn the timer off during rainy
weather, system maintenance, seasonal
shutdown, or any time you don’t want watering
programs to run as scheduled.
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Run a System Test
V
The ISA Sprinkler Timer has a built-in test program
that will run each station in sequence for two
minutes. You can use this program to test the proper
operation of the system’s valves and sprinklers.
Turn the dial to RAIN / OFF.
Press and release the
same time. The stations will turn on, one at a
time, in sequence (except those you have
programmed OFF), starting with station 1.
The display will show the station number, the
remaining run time, and will alternately flash
“OFF” as the test run time counts down.
::
NOTE
: To cancel the test program after it
::
has started, press the Manual On
button repeatedly until you cycle through
all the stations and the LCD shows the
current day and time.
and V buttons at the
O
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::
NOTE
: The “Sprinklers On” symbol
::
will appear in the display whenever the
system is watering (i.e., during normal
operation, manual operation, or a test
program).
If you have a dual-program timer (ISA Model 406
or 408), only the stations assigned to program A
or B (whichever appears in the display) will run
during the test.
To test the other program, press the Program A/
B button. Then repeat step 2.
When the test is finished, turn the dial back to
AUTO / RUN. Remember, the dial must be on
AUTO / RUN to water normally.
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Manually Run a Program or Single Station
If an area needs extra watering, you can manually
run individual stations or an entire program. Follow
the appropriate procedure for manual operation.
::
NOTE
: You cannot operate the timer
::
manually during regularly scheduled
watering times, or when the dial is in the
RAIN / OFF position.
Run Program(s) Manually
Turn the dial to AUTO / RUN.
Press the
on, one at a time, in sequence (except those
you have programmed OFF), starting with
station 1. Each station will run for its
programmed watering duration.
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button once. The stations will turn
::
NOTE
: To stop manual operation after it
::
has started, turn the dial to RAIN / OFF
for five seconds. When the “Sprinklers
On” symbol disappears from the
display, manual watering will stop. Then
turn the dial to AUTO / RUN to resume
normal operation.
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For dual program models (ISA 406 and 408),
manual operation will run the program (A or B)
that appears in the left-hand side of the LCD.
To switch programs, press the Program A/B
button until the desired program appears in the
LCD. Then press
O
to begin watering.
Run Station(s) Manually
Turn the dial to AUTO / RUN.
Press the
the display.
V
button. Station number 1 flashes in
If you want the displayed station to water, press
Press
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O
the
button.
V
to advance to the next station. Repeat
steps 2 through 4 to select all the stations you
want to run.
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::
NOTE
: To stop a manual cycle after it
::
has started, turn the dial to RAIN / OFF
for five seconds. When the “Sprinklers
On” symbol disappears from the
display, manual watering will stop. Then
turn the dial to AUTO / RUN to resume
normal operation.
The first selected station will begin watering
immediately. When you finish selecting the
station(s) you want to water, those station
numbers will flash in the top of the display.
After 15 seconds, the stations remaining in the
top of the display will water. Each station will run
for its normally programmed watering time.
For dual program timers (ISA model 406 and
408), manual operation will only run the station(s)
on the program (A or B) shown in the left side of
the LCD.
To switch programs, press the Program A/B
button until the desired program appears in the
display. Then repeat steps 2 through 4 to
manually start the desired stations in that
program.
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Adjust Watering Percentage
The Watering Percentage feature (sometimes called
“Water Budgeting”) lets you increase or decrease
the watering duration (run times) of all stations on
both programs (A and B), without reprogramming
the timer.
You can set the watering percentage from 10% to
200%, in 10-percent increments.
Use the Watering Percentage feature to cut back
watering during cool winter months, or to increase
watering during hot, dry weather.
Watering percentages are calculated on the normal
programmed run times for each station. For
example, if a station normally runs for 10 minutes,
and you set the Watering Percentage to 80%, the
station will water for 8 minutes (80% of 10 minutes).
If you set the Watering Percentage to 120%, that
same station will water for 12 minutes (120% of 10
minutes).
Turn the dial to Adjust Water %. The selected
program (A or B) and the currently selected
Watering Percentage appear in the display.
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V
Press the
Watering Percentage.
or V buttons to select the desired
Turn the dial back to the AUTO / RUN position.
All stations will now run at the selected Watering
Percentage.
WINTERIZING THE SYSTEM
In cold-weather areas, you may want to turn off your
timer during winter months. Before shutting down the
system for the winter, make sure to drain the water
from all irrigation lines to prevent freezing damage to
pipes and valves.
Then turn the dial on the timer to the RAIN / )OFF
position.
For more information about “winterizing” your
system, please call your local irrigation professional,
visit our Web site at www.rainbird.com, or call 800RAINBIRD.
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In lightning-prone areas, Rain Bird recommends that
you disconnect the field wires from the timer’s
terminal strip, and unplug the transformer from the
outlet. This will protect the timer from lightningcaused power surges.
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TROUBLESHOOTING
Symptom Cause Correction
Electrical Issues
1. LCD display is blank, or
flashes “AC OFF,” and the
time.
a. Burned out fuse Replace the fuse with the timer’s spare
fuse (750mA for 406 and 408; 500mA for
304).
2. Fuse blows out frequently
and the display goes blank.
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b. Transformer not
plugged in
c. Wall socket not
supplying power
a. Wiring short between
the valve and the timer
b. Shorted solenoid on
one or more valves
Make sure the two-prong connector is
connected and the transformer is
securely plugged in.
Make sure the main AC power supply is
working properly.
Check all field wiring for nicked or
“skinned” wires. Check all wiring
connectors. Repair or replace as
needed.
Check all valve solenoids for proper
operation. Replace as needed.
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Symptom Cause Correction
Electrical Issues
3. Fuse blows as soon as the
a. Faulty transformer Replace the transformer.
timer is plugged in.
b. Electrical short in the
timer
Call the Rain Bird Technical Assistance
Hotline at 800-247-3782.
English
4. LCD display is “frozen,”
and the timer will not
accept programming.
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An electrical surge may
have damaged the timer’s
electronics.
Unplug the timer and remove the battery
and fuse. Let the timer sit for three
minutes without power. Then reinstall the
battery and fuse, and plug in the timer.
If there is no permanent damage, the
timer will accept programming and
resume normal operation.
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Symptom Cause Correction
Watering Issues
5. Automatic and Manual
cycles do not begin
watering.
a. Water source not
supplying water
Make sure the main water line and all
supply lines are open and operating
properly.
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b. Wires not properly
connected
c. Wires loose or cut;
corroded connections
d. Dial not set to AUTO /
RUN
e. All stations set to OFF
(zero run time
programmed)
Make sure all field wires and master
valve/pump start relay wiring is
connected properly.
Check field wiring for broken, cut, or
“skinned” wires. Replace if necessary.
Check all wire connections and replace
with watertight splice connectors, as
needed.
Make sure the dial is on AUTO / RUN,
not any other dial position.
Check all stations’ watering duration.
Make sure each station is programmed
with a non-zero watering time.
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Symptom Cause Correction
Watering Issues
6. Watering occurs at the
wrong start times on AUTO
/ RUN.
The wrong pre-set schedule
may be “locked in”
Turn the dial to Pre-Set Schedules and
make sure you have selected the correct
schedule.
If you have a dual-program timer (ISA
406 or 408), the station(s) may be
programmed to run on both programs (A
and B). Check the start times for both
programs.
English
7. Watering does not start
properly during manual
operation
8. Valve does not shut off after
watering at the scheduled
time.
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Wrong program may be
selected.
Press the Program A/B button until the
program (A or B) you want to water
appears in the display.
a. Valve may be clogged. Inspect the valve and remove any debris.
b. Timer’s memory board
Same as correction for Step 4.
is “locked on”
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Symptom Cause Correction
Watering Issues
9. A single station does not
shut off after watering.
Valve may be stuck open
due to debris
Inspect the valve and remove any debris.
10. Timer Test Mode does not
work
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Dial in the wrong position Make sure the dial is in the RAIN / OFF
position before pressing the and
buttons.
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NOTES
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English
NOTES
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age 41age 41
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PP
age 41age 41
NOTE: This irrigation timer generates radio
frequency energy and may cause interference to
radio and television reception. It has been type
tested and found to comply with the limits for a
Class B computing device in accordance with the
specifications in Subpart J of Part 15 of FCC Rules,
which are designed to provide reasonable
protection against such interference in a residential
installation.
However, there is no guarantee that interference will
not occur in a particular installation. If this
equipment does cause interference to radio or
television reception, which can be determined by
turning the equipment off and on, the user is
encouraged to try to correct the interference by one
or more of the following measures:
Rain Bird Corporation Customer Support Center
1-800-RAIN-BIRD
(520) 434-6290 FAX
www.rainbird.com
© 2001 Rain Bird Sprinkler Mfg. Corp.
• reorient the receiving antenna
• move the timer away from the receiver
• plug the timer into a different outlet so the timer
and receiver are on different branch circuits.
If necessary, the user should consult the dealer or
an experienced radio and television technician for
additional suggestions. The user may find the
following booklet prepared by the Federal
Communications Commission helpful: How To
ldenfify and Resolve Radio-TV lnferference
Problems. This booklet is available from the US
Government Printing Office, Washington D.C.
20402, Stock No. 004-000-0034504. (Price is $2.00
postpaid.)
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