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P/N 20-07121-00 Rev. C Page 7
THEORY OF
OPERATION
MECHANICAL
INSTALLATION
ELECTRICAL
INSTALLATION
PROGRAMMING
USER MODE
OPERATION
TROUBLESHOOTING
SPARE PARTS
LISTING
MAINTENANCE &
SPECIFICATIONS
INDEX
5.0 PROGRAMMING
5.1 Introduction
Use the menu screen illustrations as a guide when
learning to program the Mercury. We suggest that
you power up a unit and become familiar with the
programming steps in a quiet environment, with the
manual, prior to the first installation.
Use the Next key to move to all available main menu
screens in Program Mode.
5.1.1 Key Descriptions
Next Key-Move to the next item or task.
User Mode: Move through the available User
Mode screens.
Program Mode: Move through Program
Mode menu screens.
Input Screens: Move blinking digit to the
right.
Scroll Key-Change the blinking digit value.
User Mode: Selects formula. Change values
of blinking digits (Password entry).
Program Mode: Change values of blinking
digits.
Input Screens: Change values of blinking
digits.
Enter Key-Perform a task or set a value.
User Mode: Momentary press starts Push
Button Mode wash formula. Press and hold 2
seconds to access Password input screen.
Starts and stops prime. Performs actions as
prompted in User Mode menu screens.
Program Mode: Access all input screens
from main menu loop screens (selected with
the Next key). Performs actions in certain
screens.
Input Screens: Set the displayed value in all
input screens (selected with the Scroll key),
and exit back to main menu loop.
5.2 Password Access to Program Mode
Press and hold the Enter key for 2 seconds to access
the Password input screen. The password factory
setting is 123. Any three-digit number may be used.
Press the Scroll key to change the blinking digit to
the desired value. Press the Next key to move the
blinking digit. Press the Enter key when the desired
number is present in all digits to enter Program
Mode. The Prime Pumps screen, P-1, will appear
once you are in Program Mode. An incorrect
password entry returns you to the home screen.
NOTE: You have 30 seconds to input a
password. After 30 seconds, the
display reverts to the User Mode idle
home screen.
Select First Digit
Press & Hold 2 Seconds
Select Second Digit
Select Third Digit
To Program Mode
To Input Program Mode Password
Guide To Icons
Next key—moves
Scroll key—changes
Enter key—action
Gray (left) digit indicates blinking
Set Value Screens
Enter Screen Set Value/Exit Screen
Changes Digit Value
Moves Blinking Digit (when applicable)
Next Key Scroll Key Enter Key
Figure 5.1.1 Mercury TL Keypad
Figure 5.1.1.a Key Icons
Figure 5.4.1.b Set Numerical Display
Figure 5.2 Password Input