MODULAR IRRIGATION CONTROLLER
INSTALLATION, PROGRAMMING
AND OPERATION MANUAL
www.krain.com
This unit has been designed to provide
protection against harmful interference in
a residential install. This equipment uses,
generates and can radiate radio frequency
energy and, if not installed and used in
accordance with the instructions, may cause
harmful interference to radio communications.
There is no guarantee that interference will
not occur in any particular install.
If the equipment does cause harmful
interference to radio or television reception,
which can be determined by turning the
equipment off and back on again, the
user is encouraged to try to correct the
interference by:
(1) reorient or relocate the receiving antenna;
(2) increase the separation between the
equipment and receiver;
(3) connect the equipment into an outlet on
a different circuit from the receiver;
(4) consult the dealer or an experienced
radio / TV technician for help.
Changes or modifications to this equipment
could void the user’s authority to use the
equipment as well as the warranty.
INTRODUCTION
The Pro-LC Controller is available as indoor
or outdoor models. The unit consists of a
master valve/pump start, common, sensor
terminals and station modules which will
operate up to 12 electric valves.
DECLARATION OF CONFORMITY
01
Controls and Push Button 03
Setting the Controller to Off 04
Set Controller to Run Automatically 04
Program Select Button 04
Rain Sensor Button 05
Programming 05
Set Current Time/Date 06
Set Program Start Times 07
Set Watering Days 07
Set Custom Operation 08
(any day of the week)
Set Odd/Even Operation 08
(calendar day)
Set Station Run Times 09
Manual Program Operation 09
Running a Single Station Manually 10
Valve Locator 10
Test All Stations 11
Special Features 12
Seasonal Adjust 12
Station Delay/Overlap 12
Pump On/Off 13
Sensor 13
Clear 14
Save 14
Restore 15
Permanent Day Off 16
Program Display 16
Installation 17
Door Removal 17
Mounting the Controller 18
Field Wire Entrances 18
Connecting Valve Wires 19
Pump Start/Master Valve Wiring 20
Rain Sensor Installation 20
Powering the Controller 21
Specifications 22
Operating Specifications 22
Electrical Specifications 22
Dimensions 22
Troubleshooting 23
Spare Watering Planner 25
Warranty back cover
02
CONTENTS
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CONTROLS AND PUSH BUTTON
03
ERROR/ALARM LED
turns on when one of
the following occurs:
Watering is suspended
by a sensor
The controller senses
a valve short circuit
A programming error
has been made.
PROGRAM DIAL
Used to turn the controller
on and off and to program.
Used to run on Automatic
and to discontinue
watering (OFF)
Used to select desired
controller setting
functions (SET)
Shows total content of
a program (PROGRAM
DISPLAY)
Used to allow setting
controller special
features (SPECIAL
FEATURES)
Used to run single
stations or system
test cycles (RUN)
LCD DISPLAY
Displays the time of day
and day of the week
During programming
shows the results of
entered commands
During watering shows
the valve that is on and
the minutes remaining
in its run time
DOWN / UP BUTTONS
Used to set time / date and to make
program changes.
MANUAL START / NEXT BUTTON
Used to start a selected irrigation
program manually, or to manually
advance watering from one
station valve to the next.
PROGRAM SELECT BUTTON
Used to select watering
program A, B or C.
SENSOR BYPASS SELECT BUTTON
Used to tell the controller to obey
or ignore sensor input.
PROGRAM
SELECT
BUTTON
ERROR /
ALARM LED
SENSOR
BYPASS SELECT
BUTTON
PROGRAM DIAL
MANUAL
START/NEXT
BUTTON
BACK
BUTTON
DOWN
BUTTONUPBUTTON
LCD DISPLAY
1
2
3
1
2
3
4
5
6
1
2
3
1. Turn the dial to “OFF”
When the dial is in the “OFF” position no
watering occurs. The display will show “OFF,”
the time of day and day of the week.
NOTE: Pressing any button will momentarily
display the current “REVISION NUMBER,”
“K-RAIN” or full display screen.
SET CONTROLLER TO RUN AUTOMATICALLY
1.Turn the dial to “AUTO”
When the dial is in the “AUTO” position
the controller will run in automatic mode.
The display will show the selected program,
the day of the week and the time of day.
The controller will turn on automatically to
meet ANY programmed water schedules.
The Pro-LC controller has three
separate programs, A, B and C.
Multiple programs allow valves
automatic operation with different
watering days and start times.
You can program any valve to run in
one or more of the three programs.
1. To select a program, press the
PROGRAM select button on the front
panel to select program A, B or C.
2. The display briefly shows the
program selected.
3. The selected program then appears
on the left side of the display.
4. Any programming instructions
entered will apply only to the
selected program.
04
SETTING THE CONTROLLER TO OFF PROGRAM SELECT BUTTON
OFF 9:10
AM
FRI
FRI 9:09
AM
a
pgm
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RAIN SENSOR SELECT BUTTON PROGRAMMING
05
The purpose of a rain sensor is to stop automatic
watering when sufficient precipitation has been
reached.
The rain sensor select button allows the user
to bypass the rain sensor. If a rain sensor has
been installed, and BYPASSED has been selected,
then BYPASSED will be displayed in the upper
left corner of the LCD.
NOTE: When the rain sensor select button is
in the ON position a rain sensor or wire jumper
must be installed in order to run a program.
Refer to page 13 for further details.
As the program dial is rotated the display
automatically changes. The flashing value within the
display can be increased or decreased by pressing
the DOWN or UP buttons. To go back or advance to
the next value press the BACK or NEXT buttons.
Because of variations in plant watering needs the
Pro-LC has three separate programming options;
A, B and C. Each program is completely independent
of each other and the controller will automatically
stack programs that overlap. This allows for all
programmed watering to occur because only one
program will run at a time and in alphabetical order.
Only one start time per program (A, B or C) is
required to operate all stations with a run time.
The controller automatically and numerically
advances operation to the next station without
the need for additional start times.
For additional watering, each program can be set with
up to four separate start times. This allows for greater
irrigating efficiency when all watering can’t be done
during a single operation (cycle and soak).
NOTE: A program must contain at least one start
time, watering day(s) and one station with a run
time in order to operate.
WED 10:26
AM
A
PGM
BYPASSED
1. Turn the dial to SET TIME / DATE, the LCD will
display the time of day. The word “HRS” will be
flashing in the display.
2. Press DOWN or UP buttons to set current hour.
3. To change minutes, press the NEXT button.
The word “MIN” will be flashing in the display.
4. Press DOWN or UP buttons to set current minutes.
5. To set the current date, press the NEXT button.
The word “DAY” will be flashing in the display.
6. Press DOWN or UP buttons to set current day.
7. To set the current month press the NEXT button.
The word “MONTH” will be flashing in the display.
8. Press DOWN or UP buttons to set current month.
9. To set the current year press the NEXT button.
The word “YEAR” will be flashing in the display.
10. Press DOWN or UP buttons to set current year.
11. Return the dial to AUTO.
NOTE: The
Pro-LC controller can be set for either
12 or 24 hour display. Pressing the BACK and NEXT
buttons SIMULTANEOUSLY will allow user to toggle
between 12 or 24 hour display.
06
SET TIME / DATE
9:10
AM
TIME
HOURS MINUTES
28FEB12
FRI
DAY MONTH YEAR
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The Pro-LC controller will allow up to four separate
watering start times for each program.
1. Use the PROGRAM SELECT BUTTON to select
the program (A, B or C) you wish to assign a
start time.
2. Turn the dial to SET PROGRAM START TIMES.
The display will show the first start time currently
set for the selected program.
3. Press DOWN or UP buttons to change start time.
The time setting change is in 15-min. increments.
4. To eliminate a watering start time, press DOWN
or UP buttons until “OFF” appears in the display.
The OFF setting is located between 11:45 p.m. and
12:00 a.m.
5. When additional start times are needed press NEXT
button to display next watering start time. Repeat
steps 4 through 6 for setting additional start times.
6. Return the dial to AUTO.
The Pro-LC controller can be programmed to
operate within four different watering cycles.
CUSTOM waters on the days of the week
you select.
ODD waters only on odd number days of
the month.
EVEN waters on even numbered days of
the month.
SET PROGRAM START TIMES SET WATERING DAYS
07
1ST 8:00
AM
A
PGM
START TIME 1
1. Use the PROGRAM SELECT BUTTON
to select the program (A, B or C) you
wish to assign watering days.
2. Turn the dial to SET WATERING
DAYS. “MON ON” should appear in
the display.
3. Press the DOWN or UP buttons to
enable (ON) or disable (OFF) day of
the week operation.
4. Press the NEXT button to advance to
the next day of the week. Repeat steps
3 and 4 until all days of the week have
been set.
5. Return the dial to AUTO.
1. Use the PROGRAM SELECT BUTTON
to select the program (A, B or C) you
wish to assign odd or even watering.
2. Press the BACK and NEXT buttons
SIMULTANEOUSLY until “ODD” or
“EVEN” appears in the display.
3. Return the dial to AUTO.
08
SET CUSTOM OPERATION SET ODD/EVEN OPERATION
ODD
A
PGM
days
even
A
PGM
days
MON ON
A
PGM
DAYS
MON TUE WED THU FRI SAT SUN
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