DIG 720A Series Manuale utente

INSTRUCTION MANUAL

7X0A

Two, Four and Six Station Irrigation

Battery Operated Controller

720A-XXX | 740A-XXX | 760A-XXX

TABLE OF CONTENTS

INTRODUCTION.................................................................................................... 1

1. About the controller.................................................................................... 1

2. Component identification............................................................................ 2

3. Valve or wall mounting............................................................................... 2

4. Controller wire connection.......................................................................... 3

5. Battery installation ..................................................................................... 4

6. Installation recommendations .................................................................... 4

6.1 DC solenoid only installation................................................................ 4

6.2 In-line valve installation....................................................................... 6

6.3 Anti-siphon valve installation............................................................... 7

6.4 DC actuator installation ....................................................................... 8

7. LCD display icons & symbols identification................................................. 11

8. Controller buttons identifications ................................................................ 12

9. Programming ............................................................................................. 12

9.1 Setting time and date.......................................................................... 12

9.2 Selecting a program............................................................................ 14

9.3 Setting frequency ................................................................................ 15

9.4 Setting start times............................................................................... 16

9.5 Setting watering run times .................................................................. 18

9.6 Setting the SimpleSmart™option (set ET) ............................................ 20

9.7 Setting seasonal adjustment (monthly budget) .................................... 24

9.8 Rain delay mode ................................................................................. 25

9.9 Events off setting ................................................................................ 25

10. Manual watering....................................................................................... 27

11. Connecting a rain sensor .......................................................................... 28

12. Maintenance, troubleshooting and repairs................................................. 30

13. Technical assistance.....................................................................................32

14. Warranty................................................................................................... 33

INTRODUCTION

Thank you for purchasing one of DIG’s 7X0A Series, Two, Four or Six Stations Battery

Operated Controllers. This manual describes how to get the controller up and running

quickly. Please read this manual and become familiar with the basic functionality of

the controller, then save and use the manual as a reference for less common tasks

in the future.

1. ABOUT THE CONTROLLER

The 720A, 740A and 760A battery operated controllers employ the latest

irrigation programming features to allow for complete control of any irrigation

system. The controllers operate two, four or six stations and include a master

valve and rain sensor. The controllers are powered by two AA alkaline batteries

that can last up to one year using name brand alkaline batteries, depending

on the number of programs and valves in use. The 720A, 740A and the 760A

controllers are enclosed in a rugged, compact, waterproof housing (IP68) to

protect them from the elements and to ensure a long, trouble-free life.

Features:

• Operates up to six stations, master valve, and a sensor

• Four independent programs with five start times per each valve

• Watering frequencies including weekly, odd, even, and cyclical

• SimpleSmart™historical ET feature for spray heads and drip irrigation

automatically adjusts irrigation schedules monthly

• Can operate any number of valves at the same time

• Upon insertion of the batteries, the controller follows a start-up sequence to

test that each solenoid is closed

• Irrigation suspension (rain mode) with automatic restart of up to 99 days

• Monthly water budget up to 200% in 5% increments

• Daily and monthly programming restriction options to comply with city and

municipal watering restrictions

• After 15 minutes the controller screen turns off automatically to conserve energy

• Manual operation by valve or by program

• Program On/Off button allows the user to turn off the controller and reactivate

it as desired

• Utilizes RoHS compliant components

2. COMPONENT IDENTIFICATION

1. Controller cover (lid)

2. Quick programming reference label

3. LCD display with icon-based navigation

4. 5 button programming keypad

5. Battery compartment cap for two AA

alkaline batteries (

AA batteries not included

)

6. Yellow wire connection for rain sensor

7. Two, four or six 18” red solenoid wires,

two 18” white common wires, and one

18” black master valve wire

8. Solenoid mounting sleeve

9. Wall/valve box

mounting plate

3. VALVE OR WALL MOUNTING

The controller can be mounted directly on top of any of the valves installed or mounted into

the valve box.

3.1 VALVE MOUNTING:

1. Slide the controller mounting boss q

into the solenoid sleeve w to secure

and set it in the desired position on top

of the solenoid (Figure A).

NOTE: After mounting the sleeve to the solenoid, turning the solenoid

sleeve counter clockwise will turn the valve on, and turning the

solenoid sleeve clockwise will turn it off.

3.2 WALL MOUNTING:

1. Place the mounting plate e on the wall and secure using 4

screws (not included).

2. Slide the controller mounting boss r into the mounting

plate to secure (Figure B).

PROGRAM VALVE#

Figure B

Figure A

4. CONTROLLER WIRE CONNECTION

The 720A, 740A and the 760A controllers have a set of red wires numbered for each valve

as well as one black wire for master valve, two white wires for common, and one looped

yellow wire “S” for a rain sensor connection.

4.1 CONNECTING THE WIRES:

1. Connect each numbered red wire to a corresponding red DC solenoid wire (DIG model

#S305DC DC latching solenoid recommended).

2. Connect each white solenoid wire to

one of the two common white wires

from the controller using waterproof

splice connectors (Figure C).

NOTE: If a master valve is installed and

set to active, it will operate and open

with the first valve and will close with

the last valve.

WARNING: Do not strip the master

valve or sensor wires unless using a

master valve or rain sensor.

3. After installation, test each valve via the

solenoid by turning the solenoid one or two turns counterclockwise to open and clockwise

to close. If a valve remains open via a manual operation, you may need to examine the

solenoid and the adapter used to see that they are installed correctly. Make sure the

adapter and the solenoid are firmly secured but not over tightened.

WARNING: If using valves with built-in internal manual bleed levers: make sure

the lever is in the auto (closed) position. Do not move the manual lever after

installing the adapter and solenoid.

WIRE DISTANCES

Wire gauge Maximum wire length

14 AWG 100 feet

Figure C

5. BATTERY INSTALLATION

1. Turn the battery compartment cap

counterclockwise to open.

2. Install two, fresh, brand name, AA alkaline

batteries (not included) and note the proper

positive and negative orientation on the

underside of the controller body

(Figure D)

3. Insert and screw the battery cap clockwise

to close. Make sure to secure the cap tightly

by hand only. The controller display will appear with day, PM, and the hour digit

flashing. The controller is now ready to be programmed.

NOTE: Upon insertion of the batteries, the 720A, 740A, and 760A controllers will

follow a start-up sequence in which they send an off pulse to each of the attached

solenoids to verify that each of them is closed. This is delineated by all of the

valves appearing on the display, flashing. As a pulse is sent, each valve will stop

flashing, and, if they are not programmed, disappear from the display. After the

start-up sequence has finished, the time will appear on the display and program-

ming can proceed.

6. INSTALLATION RECOMMENDATIONS

6.1 S305 DC SOLENOID ONLY INSTALLATION:

1. Shut off the main water supply.

2. Remove the existing AC solenoids from each valve (if applicable).

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

existing solenoid adapter installed.

3. Select the appropriate solenoid adapter associated with the valve used (Figure E).

Figure D

Figure E

E FDCBA G

30-920

BERMAD 200, HIT

500, DOROT 80,

GRISWOLD 2000,

DW and BUCKNER

VB valves

30-921

RAIN BIRD DV, DVF,

PGA, PEB (1” only),

GB, EFB-CP, BPE,

PESB (1” only) and

ASVF valves

30-922

HUNTER ASV, HPV,

ICV, PGV, SRV, IBV

and ASVF valves

30-923

WEATHERMATIC

12000, 21000,

8200CR valves

30-924

IRRITROL series

100, 200B, 205,

217B, 700, 2400,

2500, 2600 and

TORO series 220,

P220 valves

30-925

SUPERIOR series

950, HUNTER HBV

and TORO series

252 valves (1.5”

and larger)

30-926

RAIN BIRD series PEB

and PESB

(1.5” and 2” only)

valves

NOTE:DIG has seven adapters available that will fit most valves. The three most

widely used models are included with each controller.

4. Screw the selected adapter into the valve solenoid cavity

until hand tight. If necessary, tighten with pliers, but do

not over tighten.

5. Thread the S305DC solenoid into each valve adapter and

tighten by hand only (Figure F).

6. Open the main water supply valve and pressurize

the main line; the valve may discharge water

momentarily but should then close by itself.

7. Test each valve via the solenoid by turning the

solenoid counterclockwise one or two turns to open,

or until you hear or see water flowing through the

valve, and turn it back clockwise to close (Figure G).

8. Mount the controller using the solenoid mounting

and connect the wires: refer to section 4.1 on page

3 for wire connection steps.

9. Test each valve via the controller: refer to section

10.1 on page 27 for how to perform a manual run.

Figure F

Figure G

Additional system components

A B C

ONOFF

6.2 IN-LINE VALVE INSTALLATION:

Operating pressure when used with DIG in-line valves: 10-150 PSI

(.7 to 10.5 bar)

Recommended operating pressure: Up to 80 PSI (5.5 bar)

NOTE: Wrap all fittings with Teflon tape. Do not use pipe cement on the

valve as this will damage the valve and void the warranty. Make sure when

wrapping fittings with Teflon tape that no excess gets into the internal

assembly. Tighten the fittings with a wrench but do not over tighten.

1. Shut off main water supply.

2. Install a manual ball or gate valve onto the PVC pipe upstream of the valve

manifold. Use Teflon tape to wrap all male threads with 4-6 layers of

Teflon tape.

3. Turn water supply on to flush the line and then shut the water off using the

ball or gate valve. If PVC glue is used, make sure to allow for adequate curing

time before opening the water supply line.

4. Make a manifold and install up to six inline valves and mount the controller to

the valve box or the solenoid (Figure H and I).

5. Mount the controller using the solenoid mounting and connect the wires: refer

to section 4.1 on page 3 for wire connection steps.

6. Test each valve via the controller: refer to section 10.1 on page 27 for how to

perform a manual run.

BELOW GROUND INSTALLATION WALL MOUNTING

FIGURE H

BELOW GROUND INSTALLATION VALVE MOUNTING

FIGURE I

6.3 ANTI-SIPHON VALVE INSTALLATION:

Operating pressure when used with DIG anti-siphon valves: 20-120 PSI

(1.4 to 10.5 bar)

Recommended operating pressure: 20-80 PSI (1.4 to 5.5 bar)

The 720A, 740A and the 760A controllers can be installed on top of DIG’s 3/4”

and 1” anti-siphon valves with model S305 DC solenoids.

NOTE: Wrap all fittings with Teflon tape. Do not use pipe cement on the

valve as this will damage the valve and void the warranty. Make sure when

wrapping fittings with Teflon tape that no excess gets into the internal

assembly. Tighten the fittings with a wrench, but do not over tighten.

WARNING:Make sure the anti-siphon valves are installed at least 6

inches higher than the highest sprinkler head on the system or back-

drainage may occur.

1. Flush main line until water runs clear before installation.

2. Shut off main water supply.

3. Make a manifold and install up to six anti-siphon valves with an attached

7X0A series controller to the PVC pipe manifold using 3/4” PVC male

adapters (Figure J) or 3/4” schedule 80 nipple.

4. Mount the controller using the solenoid mounting and connect the wires:

refer to section 4.1 on page 3 for wire connection steps.

5. Test each valve via the controller: refer to section 10.1 on page 27 for how

to perform a manual run.

NOTE:The arrow on the

anti-siphon valve body

indicates the direction

of water flow.

FIGURE J

6.4 DC ACTUATOR INSTALLATION:

Operating pressure: 20-150 PSI (1.4 to 10.5 bar)

Recommended operating pressure: 20-80 PSI (1.4 to 5.5 bar)

The 720A, 740A and the 760A controllers can be installed on top of DIG’s 3/4”

actuator valve model 305DC-013.

NOTE: If using a 1”anti-siphon, follow the steps in section 6.4.1 on how to

change to a 1” adapter for the actuator.

1. Shut off main water supply.

2. Remove the manual stem from the existing valve and temporarily remove the

anti-siphon cap (Figure K).

3. Replace any existing worn washers with the new ones provided (Figure L).

4. Install the actuator into the manual anti-siphon valve body by turning the

actuator clockwise. Tighten firmly, but do not over tighten (Figure M).

5. Turn the actuator flow control knob clockwise until it stops (Figure N).

6. Turn the main water supply on and pressurize the valve.

7. Mount the controller using the solenoid mounting and connect the wires: refer

to section 4.1 on page 3 for wire connection steps.

Figure K Figure L Figure M

MANUAL STEM

ANTI-SIPHON

CAP

WASHERS VALVE BODY

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