DIG LEIT-1 Manuale utente

Ambient light powered,

smart irrigation controller

LEIT-1

INSTRUCTION MANUAL

Table of conTenTs

INTRODUCTION ……………………………………………………………… 3

1. About the controllers …………………………………………………… 3

2. Component identification ……………………………………………… 4

3. System components …………………………………………………… 5

4. Valve installation ……………………………………………………… 6

5. Programming ………………………………………………………… 8

6. Setting time and date …………………………………………………… 8

7. Setting watering day schedules ………………………………………… 10

8. Setting watering start time ……………………………………………… 12

9. Setting watering run times ……………………………………………… 14

10. Setting the SimpleSmart™ option ………………………………………… 15

11. Setting seasonal adjustment (monthly budget) …………………………… 18

12. Rain delay setting ……………………………………………………… 19

13. Events off setting ……………………………………………………… 20

14. Manual watering ……………………………………………………… 21

15. Connecting a rain sensor ……………………………………………… 22

16. Maintenance, troubleshooting and repairs ……………………………… 24

17. Warranty ……………………………………………………………… 26

18. Technical assistance …………………………………………………… 27

Thank you for purchasing DIG’s LEIT-1™ ambient light powered irrigation controller.

1. abouT The conTrollers

The LEIT-1™ is a one-station, ambient light (solar) powered smart controller that

uses a patented energy management system to power the controller day and

night. The controller requires no batteries, AC power or direct sunlight and can be

installed above grade anywhere in the landscape.

The controller employs the latest in water conservation features and can be

pre-set to automatically adjust the watering durations according to regional

seasonal changes.

2. componenT IDenTIfIcaTIon

1. Solar PVM

2. LCD screen

3. 7 button keypad

4. Rain sensor connection

5. Quick reference label

6. Collapsible solenoid wire

7. DC Solenoid

3. sYsTem componenTs

LCD Display

1. Time and Date - Indicates current time and day

2. Set Watering Days - Choose either specific days, odd/even days, or up to once

every 30 days

3. Start Time - Up to 5 start times per day available

4. Run Time - Watering duration from 1 minute to 6 hours

5. Manual Run - Appears when manual button is pushed

6. Set ET - Used to set one of the 20 SimpleSmart™ presets

7. Set Monthly Budget - Seasonal adjustment setting (0%-200%) in 5%

increments or to fine-tune SimpleSmart™ programming

8. Rain Delay - Delay irrigation setting from 1>99 days with automatic restart

9. Events Off - Suspends watering for any month or any specific day within

the month.

10. Power Level - Represents current charge level

11. Sensor - Appears only when sensor is connected and active

12. Watering - Appears when valve is open

wr y io

e t u

Control Buttons

Select programming mode

Turn ON/OFF program

Start/stop a manual cycle

Move left/right to select a value

Raise/lower the selected value

4. ValVe aDapTer InsTallaTIon

1. Shut off the main water supply

2. Remove the existing solenoid if applicable.

NOTE: If adapting to an IRRITROL valve, remove the solenoid but leave the

existing solenoid adapter installed.

3. Select the appropriate solenoid adapter associated with the valve. (see chart A)

4. Screw the solenoid adapter into the valve bonnet by hand, tighten with pliers if

necessary – but do not over tighten.

5. Thread the LEIT-1 solenoid into the valve adapter. Hand tighten only.

6. Turn the main water supply on and pressurize the valve; the valve may discharge

water momentarily but should then shut off.

7. Test the controller and the installation by pressing the button or see

section 14 to perform a manual run.

To turn the valve on via the solenoid, lift the LEIT-1™ controller from the

solenoid and turn the solenoid counter clockwise 1/2 to 3/4 of a turn, or until

you hear or see water flowing through the valve. To turn the water off, turn the

solenoid clockwise 1/2 to 3/4 of a turn and wait for the a few seconds for the

valve to close.

8. Program the LEIT-1™ controller (see section 5).

solenoid

adapter

chart a

Model Compatible Valves

30-920* 



30-921

included





30-922

included





30-923* 

30-924

included





30-925* 



30-926* 



*AVAILABLE THROUGH YOUR DISTRIBUTOR

5. proGrammInG

In order to program the LEIT-1™, you must first let the unit sit out in the light to

charge. In bright light conditions (full sun) this will take under 30 minutes.

In shaded conditions this could take up to 2 hours.

This section explains the programming features, and the steps necessary to assign

irrigation schedules. To program the controller use the to select the desired

programming mode, the to make the entry flash and the buttons to

change the value.

NOTE: Only a flashing value can be changed.

NOTE: If the last data entered stops flashing, press again to resume

programming and repeat the steps.

6. seTTInG TIme anD DaTe

The controller can display the time in either a 12 or 24 hour format.

To change the time format, from the home screen:

1. Press and hold the button for three seconds until the display switches

format (AM/PM disappears).

SETTING THE CURRENT TIME AND DATE

To enable the controller to operate properly, the current time and date must

be set.

1. Press the button, until the icon appears along with the time and the day

of the week.

2. If the current time has not been set and needs to be updated press and the

hour digit starts flashing.

3. To set the current hour, press or (note AM and PM designations).

4. To set the minutes, press again and the minute digit starts flashing. Press

the or to set the current time in minutes.

5. Repeat the steps to set the current date including, month, day and year. When

the date is selected and updated, the day of the week will be update at the

same time to correspond with the date.

MONTH DAY YEAR

6. Press to proceed to the next step SET DAYS or review the program.

Press to move backward.

7. seTTInG WaTerInG DaY scheDules

Option 1 - Setting Specific Days of the Week:

This setting determines which days the LEIT-1™ controller will operate. Choose

either watering on specific days of the week, EVEN/ODD days or cyclical from daily

up to once every 30 days. The controller’s default setting is to water on all specific

days of the week.

For example, if you want to water every Tuesday, Thursday and Sunday:

1. Press the button until the icon and the days of the week appear on

the screen.

2. Press once and M (for Monday) starts flashing.

3. Press, and underscore under M (Monday) disappears. Monday is

de-selected.

4. Press twice and W (for Wednesday) starts flashing.

5. Press and the underscore under W (Wednesday) disappears. Wednesday is

de-selected.

6. Press twice and F (Friday) starts flashing.

7. Press and the underscore under F (Friday) disappears. Friday is de-selected.

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