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3-1
SECTION 3: CONTROL VALVE PROGRAMMING AND REGENERATION
Installer Display Settings
(Step 1) Press NEXT and simultaneously for 3 seconds.
(Step 2) Hardness: Set the amount of hardness in grains of hardness as calcium carbonate per gallon
using the or buttons. The default is 20 with value ranging from 1 to 150 in 1 grain increments.
Note: The grains per gallon can be increased if soluble iron needs to be reduced. Press NEXT to go
to Step 3. Press REGEN to exit Installer Display Settings.
(Step 3) Day Override: Day Override sets the number of days between regenerations and sets the
maximum number of days between regenerations. If value is set as a number (allowable range from
1 to 28) a regeneration initiation will be called for on that day even if suffi cient number of gallons
were not used to call for a regeneration. Set Day Override using or buttons.
• number of days between regeneration (1 to 28); or “OFF”.
Press NEXT to go to Step 4. Press REGEN to return to previous step.
(Step 4) Next Regeneration Time (hour): Set the hour of day for regeneration using or buttons.
AM/PM toggles after 12. The default time is 2:00 a.m. Press NEXT to go to Step 5. Press REGEN to
return to previous step.
(Step 5) Next Regeneration Time (minutes): Set the minutes of day for regeneration using or
buttons. Press NEXT to exit Installer Display Settings. Press REGEN to return to previous step.
To initiate a manual regeneration immediately, press and hold the “REGEN” button for three seconds.
The system will begin to regeneration immediately. The control valve may be stepped through the
various regeneration cycles by pressing the “REGEN” button.
Power Lost
If power goes out for less than two hours, the system will automatically reset itself. If an extended
power outage occurs, the time of day will fl ash on and off which indicated the time of day should be
reset. The system will remember the rest.
Error Message
If the word “error” and a number are alternately fl ashing on the display contact the “Technical
Support Services Department” at CUNO Incorporated, phone number 1-866-693-2543 for help. This
indicates that the valve was not able to function properly.
RETURN TO
NORMAL MODE
Step 2
Step 3
Step 4
Step 5
Step 1
Grains Capacity/lb NaCl 6,000 to 3,000
Lbs NaCl/cu ft resin
2
Less than 7.5
Cycle Time
in Minutes
Backwash Normal 8
Regenerate 60
Backwash Normal 10
Rinse 8
Total
3
86
WS1 & WS 1.25 Downfl ow
Regenerant Refi ll After Rinse
1st Cycle Backwash
2nd Cycle Regenerate
3rd Cycle Backwash
4th Cycle Rinse
5th Cycle Fill Dissolve
6th Cycle Service