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4.
Press the Extra Cycle button to end User Programming Mode. The timer will exit Diagnostic Mode
after 60 seconds if no buttons are pressed. Press the Extra Cycle button to exit Diagnostic Mode at
any time.
Master Programming
Perform a Master Reset: Unplug the Fleck 2510 from the electrical wall outlet. Hold the Extra Cycle button
while plugging in and powering up the unit. This resets all of the parameters in the unit.
Enter Master Programming Mode: Set the Time of Day display to 12:01 P.M. Press the Extra Cycle button to
exit Setting Time of Day mode. Then press and hold the Up and Down buttons simultaneously until the
programming icon replaces the service icon and the Display Format screen appears.
Note that when the Master Programming Mode is entered, all available option setting displays may be viewed
and set as needed. Depending on current option settings, some parameters cannot be viewed or set.
1.
Display Format (Display Code DF): Set display to GAL (stands for U.S. Gallons), or change to Liters or
Cubic Meters if out of the U.S. Press the Extra Cycle button to go to the next step.
2.
Valve Type (Display code VT): Set to Fltr. This refers to 'Filter", which is correct. Press the Extra Cycle
button to go to the next step.
3.
Control Type (Display Code CT): Set to TC, which refers to Time Clock type. Press the Extra Cycle
button.
4.
Day Override (Display Code DO): Set to 7 or other based on your particular filter system requirements.
Use the Up or Down arrows to change the setting. This is the critical setting that allows your filter to
backwash every fixed number of days. See your Installation and Start-up Guide for more information
or contact us for suggestions for this setting. Press the Extra Cycle button.
5.
Regeneration Time: (Display Code RT): In general set to 2:00 am or sometime when no water is being
used, and no other filter or softener is likely to be in a regeneration cycle. Press the Extra Cycle button.
6.
Regeneration Cycle Step Times: Use this display to set the various minutes of each cycle. Press the
Extra Cycle button to accept the setting and move to the next parameter.
a.
B1 – Backwash: Set to 8 to 10 minutes.
b.
B2 - 2nd Backwash: Set to 0 for most applications.
c.
RR - Rapid Rinse: Set to 6 minutes
7.
Press the Extra Cycle button to save all settings and exit Master Programming Mode. Note that the
control valve may take several minutes to re-home and re-set after the Master Programming steps.
Do not unplug the control during this process.
Page 14
Fleck 2510 Neutralizer Installation & Startup Guide
www.cleanwaterstore.com
Rev 062714
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