Hydrotech SXT Timer - Manual (Page 5)

MASTER PROGRAMMING MODE
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.
Setting the Time of Day
1. Press and hold either the Up or Down buttons until the
programming icon replaces the service icon and the
parameter display reads DO.
2. Adjust the displayed time with the Up and Down buttons.
3. When the desired time is set, press the Extra Cycle button
to resume normal operation. The unit will also return to
normal operation after 5 seconds if no buttons are pressed.
Entering 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 together until the
programming icon replaces the service icon and the Display
Format screen appears.
Exiting Master Programming Mode
Press the Extra Cycle button to accept the displayed settings
and cycle to the next parameter. Press the Extra Cycle
button at the last parameter to save all settings and return to
normal operation. The control will automatically disregard any
programming changes and return to normal operation if it is
left in Master Programming mode for 5 minutes without any
keypad input.
Resets
Soft Reset: Press and hold the Extra Cycle and Down buttons
for 25 seconds while in normal Service mode. This resets all
parameters to the system default values, except the volume
remaining in meter immediate or meter delayed systems and
days since regeneration in the time clock system.
Master Reset: Hold the Extra Cycle button while powering up
the unit. This resets all of the parameters in the unit. Check
and verify the choices selected in Master Programming Mode.
1. Display Format (Display Code DF)
This is the first screen that appears when entering Master
Programming Mode. The Display Format setting specifies
the unit of measure that will be used for volume and how
the control will display the Time of Day. This option setting is
identified by “DF” in the upper left hand corner of the screen.
There are three possible settings:
Display Format Setting Unit of Volume Time Display
GAL U.S. Gallons 12-Hour AM/PM
Ltr Liters 24-Hour
2. Valve Type (Display Code VT)
Press the Extra Cycle button. Use this display to set the
Valve Type. The Valve Type setting specifies the type of
cycle that the valve follows during regeneration. Note that
some valve types require that the valve be built with specific
subcomponents. Ensure the valve is configured properly before
changing the Valve Type setting. This option setting is identified
by “VT” in the upper left hand corner of the screen. There are 5
possible settings:
Abbreviation Parameter
dF1b Standard Downflow/Upflow, Single Backwash
dF2b Standard Downflow/Upflow, Double Backwash
Fltr Filter
UFbd Upflow Brine First
8500 TwinFlo 100
Othr Other
3. Control Type (Display Code CT)
Press the Extra Cycle button. Use this display to set the
Control Type. This specifies how the control determines when
to trigger a regeneration. For details on how the various
options function, refer to the “Timer Operation” section of this
service manual. This option setting is identified by “CT” in the
upper left hand corner of the screen. There are four possible
settings:
Meter Delayed:
Fd
Meter Immediate: FI
Time Clock: tc
Day of Week: dAY
4. Number of Tanks (Display Code NT)
Press the Extra Cycle button. Use this display to set the
Number of Tanks in your system. This option setting is
identified by “NT” in the upper left hand corner of the screen.
There are two possible settings:
Single Tank System: 1
Two-Tank System: 2
Fleck SXT Timer JL10 • 5