DG2100S Operating Instructions
The DG2100S controller will start automatically when plugged in. The factory settings are:
First Stage: When temperature is above 78oF, water is on 1 minute, off 10 minutes.
Second Stage: When tempererature is above 88oF, water is on 2 minutes, off 10 minutes.
Even if the controller is left unplugged for long periods of time, all settings will be retained. Once in operation, the controller will Smart-Scan, or display its settings every few minutes. It also will show whether the room temperature is higher than the set temperature with a (+) plus symbol in the middle of the display. Valve running or open is shown with a (*) symbol.
the factory settings of the DG2100S are not to your liking, all of
the settings are easy to change. There are two buttons on the face of
the controller, marked
button is used to alter the settings currently in the controller.
button is used to enter the menu screens and move to each of the
To begin, press the
button once. This will cause the screen to display the message,
with the cursor blinking on the arrow. If the valve was open,
it will automatically close, until you are done adjusting the
This first menu screen sets whether the controller measures
temperature in degrees Fahrenheit or degrees Celsius.
The DG2100S controller comes set to Fahrenheit. If you
wish to switch to Celsius,press the
button. The arrow will flip toward oC.
When the arrow is pointing to the desired temperature scale, press
(Please note: If you change the temperature scale, the controller will reset the activation temperatures to zero. Please be sure to set them in steps 4 and 7.)
The controller will display, .First Stage. The
single dot before the F indicates that you are about to set
First Stage settings, that is, the lower of the two activation
temperatures and its watering times. Press
to advance to the next screen.
Temp=78.0oF will be
on the controller display or whatever other temperature is currently
set. The cursor will be flashing on the tens digit of
the temperature. Press the
button to increase the tens digit of the temperature to
whatever new number you require. Any value within zero to nine
will be accepted. Press the
button to advance the cursor to the ones digit of the
Holding the button down will not advance the setting; you must press once for each increment.
The cursor is now at the ones digit of the first set
temperature. Again, press the
button to change the ones digit to any number, zero to nine.
When the correct ones digit is in place, press the
button to advance the cursor to the tenths place of the
(If you accidentally enter the wrong number at any point, it is OK to press the button through all of the remaining menus and start again to correct the error.)
The cursor is now at the tenths place of the temperature.
Again, press the
button to adjust the tenths digit to whatever number is
desired. When the correct number is in place, press the
button to advance to the next screen.
The controller will display, .On
Time=01:00". (Or whatever
the On Time is currently set to.) This indicates that
when the temperature is above the first temperature, and below the
second temperature, the valve will open for one minute
and zero seconds. This time can be changed to anything from
zero minutes and one second, (00:01), to ninety-nine minutes
and fifty-nine seconds, (99:59). Each digit is adjusted
button. When the digit is correct, advance to the next with
Once the On Time is set, the controller will display, .Off
indicates that when the temperature is above the first set
temperature, & below the second set temperature, the controller
will keep the valve closed for 9 minutes between On
Times. This value, like the On Times, can be set to
anything between 00:01 and 99:59 and is set the same
9. After the First Stage Off Time is entered, the controller will display, :Second Stage. The two dots in front of the S are to remind you that you are now entering Second Stage settings. Whenever the temperature is higher than the Second Stage temperature, the controller will ignore the First Stage times, and run the valve with the Second Stage times. Entering the Second Stage Temperature, On Time and Off Time is identical to the First Stage settings in steps 3 - 8. (Remember: the Second Stage Temperature must be higher than the First Stage temperature. The controller will not allow you to leave that screen until you have entered a temperature higher than or equal to the first.) After entering the last digit of the Second Stage Off Time, the controller will pause momentarily to store your settings in permanent memory, and will then resume operation with the new settings.
© Copyright 1999 Greenhill Manufacturing, LTD. All rights reserved.