Autotrol 255 Manuel D'utilisation page 27

Step 9: Enter Hardness (762 Demand Control Only)
• Enter inlet water hardness at installation site.
• Default hardness setting is 25 grains (25 ppm for metric).
• To change hardness, press SET to make the setting flags. Use the
UP and DOWN buttons to scroll to the correct hardness.
• Press SET to accept the entered hardness value.
• The control will return you to the normal operation mode.
• FA filters: see section on capacity, Setting the 700 for 5-Cycle
Filter Applications .
Initial system programming is now complete. The control will return
to normal operation mode, if a button is not pushed for 30 seconds.
Viewing Cycle Times
1. Press and hold the UP and SET buttons for 3 seconds when the
control is in the "in service mode" to access the "cycle time
display mode". The display will show a small "c" followed by a
number in the lower portion of the display.
2. Press the UP and DOWN buttons to display the programmed
cycle time.
3. Press the REGEN button to exit the "cycle times display mode".
Adjusting Cycle Times
1. Press SET when in the "cycle time display mode". The cycle
time in minutes will flash, indicating the cycle time can be changed.
2. Press the UP or DOWN buttons to change the flashing time.
3. Press SET while the cycle time is flashing to enter the flashing
value.
NOTE: The draw and refill cycle times cannot be changed in cycle time
programming for conditioner valves. Draw and refill times are calculated
using the draw and refill rates and salt amounts. The draw and refill cycle
times may be programmed for 3-cycle filters.
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