Rain Bird E-6C Instruction manual

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2Ec Controller

EC CONTROLLER ICON LEGEND

OFF AUTO DATE/TIME

MANUAL

STATION(S)

DAY CYCLE

WATER DAY

PROGRAM START TIME

STATION RUN TIME

WATER

BUDGET

MANUAL CYCLE

TEST PRESET

SCHEDULES

-PROGRAM

BUTTON

ENTER

SET MONTH

SET DAY

SET TIME

3Ec Controller

CONTENTS

Introduction ........................................................... 4

Ec Controller ................................................................. 4

Controller Stations......................................................... 5

What Is a Program? ........................................................ 5

Controller Basics .................................................... 6

Programming Under Battery Power .................................. 6

Installing the Battery ...................................................... 6

Diagnostic Circuit Breaker .............................................. 6

Controls and Indicators ................................................. 7

Programming Checklist ................................................. 8

Controller Programming Chart ........................................ 8

Programming the Controller ................................. 12

Erase Any Existing Programming .................................. 12

Set Year ...................................................................... 12

Set Month and Day ...................................................... 12

Set Time ..................................................................... 13

Select Pre-Set Schedules ............................................ 13

Select Program (A, B, and/or C) ................................... 14

Set Watering Day Cycle ................................................ 14

Set Watering Days ....................................................... 15

Set Program Start Time(s) ............................................ 16

Delete Program Start Time(s) ........................................ 16

Set Station Run Times ................................................. 17

Operating the Controller ....................................... 17

Off Mode..................................................................... 17

Auto Mode .................................................................. 18

Adjust Water Budget .................................................... 18

Manually Run Stations and Programs ........................... 19

Run a Test Program...................................................... 20

Installing the Controller ........................................ 21

Choose a Proper Location ............................................ 21

Mount the Controller .................................................... 22

Connect Main Power Wires ........................................... 22

Connect Field Wires to Remote Control Valves .............. 22

Troubleshooting ................................................... 24

Have a question, problem, or comment? In the United States, call

Rain Bird Technical Assistance at 800-247-3782. Outside the

United States, call your Rain Bird dealer.

® Registered trademark of Rain Bird Sprinkler Mfg. Corp.

4Ec Controller

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 REGULA-

TIONS.

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.

INTRODUCTION

Ec Controller

Thank you for purchasing a Rain Bird Ec irrigation system

controller. This manual shows how to install, program, and

operate your controller. Please read these instructions carefully

and keep this manual in a handy place for future reference.

The Rain Bird Ec is a compact, easy-to-use controller 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

•Water budgeting feature across all programs

•Battery backup to retain time, date, and programming

during power outages

•Three year warranty

CERTIFICATE OF CONFORMITY TO EUROPEAN DIRECTIVES

Rain Bird declares that the Ec device, an irrigation controller, conforms to the 72/23/CEE European

Directives for electrical safety and to 89/336/CEE and 93/31/CEE concerning electromagnetic

compatibility. The applicable standards in accordance with the technical file are :

EN 60065 for electrical safety.

EN 50081-1 ed 92 for interference.

EN 50082-1 ed 92 for interference resistance.

The Ec type device is powered by 230V~,50Hz,

single phase.

5Ec Controller

You will need to understand the following terms to successfully

program your Ec controller.

•Watering day cycle  The period of days in which the

controller repeats the program you set. For example, a 7-day

cycle is a weekly schedule that repeats once every seven

days. A 2-day cycle repeats every other day.

•Watering days  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 1- through 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.

•Start time  This is the time, or times, the first station in

a program begins watering. All other stations in the program

then follow in sequence.

NOTE: The term start time refers to the time the

program begins  not the time each individual

station begins to run.

•Run time  The number of minutes that each station

runs.

Controller Stations

DIAGRAM 1

The Rain Bird Ec controller is an electronic timer that controls

when your sprinkler system turns on, and how long the

sprinklers run.

Depending on the model, the Ec can control four, six, or nine

watering stations. 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 controller, 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 controller

shuts it off and turns on station 2. When station 2 finishes

watering, station 3 begins, and so on.

What Is a Program?

Programming is the process of telling the controller exactly

when and how long you want to water. The controller opens

and closes the remote control valves for each station according

to the program you set.

The Ec offers three independent programs; A, B, and C. Each

program controls from one to six 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.

6Ec Controller

CONTROLLER BASICS

Programming Under Battery Power

If you wish, you can program the controller under battery

power. This feature can be useful if the controller is installed

in an area that is not readily accessible. This feature also

allows you to enter program information before installing the

controller at a job site.

To program the Ec controller under battery power, you must first

install the battery.

NOTE: To save battery power, the Ec goes into

Sleep mode after 40 seconds of inactivity on

the programming dial or buttons. Press any button

once to reactivate the controller.

Installing the Battery

DIAGRAM 2

The battery back-up feature retains time, date, and

programming information during power outages. The battery

also lets you program the controller 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 controller 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 controller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.

Diagnostic Circuit Breaker

DIAGRAM 3

If the Ec controller detects an electrical short circuit on one of

the sprinkler systems station wires or valve solenoids, the

controller automatically shuts off the station with the fault. After

30 to 40 seconds, while it checks again to confirm the fault,

the controller advances to the next working station in the

program.

7Ec Controller

Every three seconds, the LCD displays the problem stations

number and the letters Err. The controller will continue to run

each operable station in the program. As each station is

running, the controller (at an alternate 3-second interval)

displays the working stations number and run time remaining.

When the controller finishes the program, it will continue to

display the problem stations number and the Err message.

After the program finishes, you should isolate and repair the

short circuit. Short circuits occur most frequently in the valve

solenoid (the plastic-encapsulated coil on the valve with the

two wire leads), or in the wire connectors to the valve leads.

After you find and repair the short circuit, turn the programming

dial to AUTO. Then press ENTER to clear the Err message

from the display. You may wish to operate the station manually

to make sure it works properly. (See Manually Run a

Station(s) on p. 19).

The LCD display shown in Diagram 3 indicates that the

controller has detected a short circuit on station 2.

Controls and Indicators

DIAGRAM 4

This illustration shows the programming controls on the face

of the Ec controller. 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. + and - buttons  Set start times and days, and make

programming changes.

3. Programming dial  Turns the controller to OFF or

AUTO modes, and selects other programming functions.

4. PROGRAM button  Selects watering programs A, B,

or C.

5. ENTER button  Enters programming commands, and

starts manual operation.

8Ec Controller

Programming Checklist

To program your Ec controller for the first time, we recommend

that you complete the steps in the order listed to the right.

❒Fill out the Programming Chart ....................... p. 8

❒Erase any existing programming ..................... p. 12

❒Set the current year/month/day/time ............... p. 12

For each program:

ABC

❒❒❒Select pre-set schedules .................. p. 13

❒❒❒Select program (A, B and/or C) ......... p. 14

❒ ❒ ❒ Set the watering day cycle ................ p. 14

❒❒❒Set the watering days ........................ p. 15

❒❒❒Set the program start time(s) ............. p. 16

❒❒❒Set the station run time(s) ................ p. 17

❒Set the controller to automatic operation ........... p. 18

For your convenience, a check-off box (❐) is provided for

each step.

Controller Programming Chart

Before programming your Ec controller, fill out the

Programming Chart included with your controller. Then

program the controller in the order shown on the Programming

Checklist.

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 7-day watering cycle

and circled M, W, and F as watering days. This means that

program A will water every Monday, Wednesday, and Friday.

NOTE: If you plan to use only one program for

your watering needs, select program A.

2. For program B, the operator selected a 3-day 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.

9Ec Controller

10 Ec Controller

•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 Program Start Times box for program A, write the time

you want the program to begin watering. You may assign up

to four 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 start time(s) 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. (05:00)

and again at 3 p.m. (15:00)

NOTE: If the total run time for one program

overlaps the start time for a second program, the

controller 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 controller station. Remember, a

station is a set of sprinklers operated by one remote

control valve.

7. In the Run Time 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 Ec 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: Any Water Budget setting applies to all

programs (A, B, and C).

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