Irritrol Junior Plus 4 User Manual

INSTRUCTION MANUAL
INDOOR DUAL PROGRAM CONTROLLER
WITH MASTER VALVE/PUMP START & WATER BUDGETING
Junior Plus 2/4/6/8
Remove the lower cover. Place the unit on the wall using one slot and one fixed
hole inside the battery slot. Connect the solenoid wires to the terminal block.
One wire from each solenoid should be connected to "C"-Common. The other wire
from each solenoid connects to its respective number on the terminal block.
Connect the transformer wires to the terminal block marked 24VAC.
Only after all your wiring is done and checked, connect the 2 x 1.5 volt AA
alkaline batteries. The display will now be on. Plug the transformer into the
power outlet.
IMPORTANT INFORMATION
•
The NEXT STEP button leads you through the programming steps.
•
Auto Return: If within 3 minutes you do not touch any button, the controller will
automatically return to AUTO mode except from MANUAL mode.
•
Quick Digit Advance: If you press ON/+ or OFF/- continuously, the digits will
advance quickly.
•
Reset Display Back To OFF: In WATERING TIME or START TIME positions.
If you press ON/+ and OFF/- simultaneously and hold for a few seconds, the digits
displayed will reset back to OFF.
•
Program Erase: In AUTO RUN mode, press ON/+ and OFF/- simultaneously until
arrow starts to flash. It will flash 5 times to complete Program Erase.
•
Start Time Stacking: In case of overlap of two or more start times, the controller
will automatically delay the start time until the previous cycle is completed.
BATTERY REPLACEMENT
Replace the 2 x 1.5 volt AA alkaline batteries once a year. Unplug the transformer
before replacing the batteries. Plug in the transformer only after the new batteries are
in place. Replacing the batteries will require reprogramming the controller if the
batteries are not replaced within 15 seconds (before the display fades away).
POWER FAILURE INDICATION
•
If a command to open a zone is initiated during power failure, the "24V" on display
will start flashing.
•
The flashing will stop when the next command to turn on any station is initiated
while power is on.
•
If the fuse is blown, "24V" will also flash. Replace it with a 0.5 amp. fuse.
SOLENOID RATING
The solenoid valve should be rated: 24VAC, 0.35 Amps inrush max. Only 1 solenoid
valve can be connected to each station.
4
Irritrol Systems USA
1-909-785-3623 TELEPHONE
1-909-359-1870 FAX
Irritrol Systems Europe s.p.a.
00-39-765-455201 TELEPHONE
00-39-765-455386 FAX
1
INSTALLATION INSTRUCTIONS

Irritrol Junior Plus 4 Specifications

General

Number of Zones/Stations	4
Display Type	LCD
Rain Delay	Yes
Manual Watering	Yes
Mounting	Wall mount
Programs	3 independent programs
Cycle and Soak	No
Backup Battery	No
Indoor/Outdoor Use	Indoor
Power Source	AC
Watering Schedule	Flexible
Watering Duration	1 to 240 minutes
Electrical Input	24VAC
Voltage	24V

Summary

Installation Instructions

Programming Steps

Set Time/Day

Setting the current time and day of the week.

Watering Time

Programming watering duration for each station in Program 1.

Irrigation Days

Selecting days for irrigation or choosing a day cycle for Program 1.

Program Start Times and Modes

Program Start Time

Setting the start time for Program 1.

Manual Modes

Accessing manual operation modes for stations or programs.

Auto Run/Off

Switching between automatic operation and suspending all watering.

Water Budget

Adjusting watering time percentage for all stations in a program.

Important Information and Specifications

Battery Replacement

Guidelines for replacing the controller's batteries.

Power Failure Indication

Understanding display indicators during power interruptions.

Solenoid Rating

Electrical specifications for solenoid valves.

Troubleshooting

All Valves Do Not Turn On Automatically

Diagnosing and fixing issues where no valves activate.

Valve Stays ON

Troubleshooting why a valve remains open after its cycle.

Valve Will Not Turn ON

Resolving issues where a valve fails to open.

Controller Display "24V" (flashing)

Interpreting and addressing a flashing "24V" display indicator.