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16
Hardness Setting
Move the jumper to the set of pins next to the word HARDNESS (Figure 14).
Press the black TIME SET button until the hardness of the incoming water supply
is displayed. The hardness range is from 1 to 99 grains per gallon.
To change water hardness stated in parts per million (PPM) to grains per gallon
(GPG) use this formula:
Capacity Setting
Move the jumper to the set of pins next to the word CAPACITY (Figure 15). Press
the black TIME SET button until the correct capacity value is displayed. The
capacity range is 1 to 99 kilograins. Refer to the Suggested Salt Dial Settings
table.
Return the jumper to the top set of pins next to the word TIME and replace the
access door. The jumper must NOT be left on any pins other than the top pair
next to the word TIME. Otherwise, the unit may show a blank display.
Note: A spare jumper is located on the bottom set of pins.
In the event that the hardness or capacity setting must be changed, simply follow
the appropriate steps described above.
Calendar Override Setting
1. Disconnect power.
2. Place jumper on Pin A and reconnect power.
3. Move jumper to Pin B. A zero will appear, indicating zero days of calendar
override. All 460i controllers are preprogrammed in this manner at the
manufacturer.
Parts per Million
Grains per Gallon
17.1
=
Figure 13 Figure 14
Figure 15
1018075 Rev I.fm Page 16 Tuesday, February 17, 2004 4:26 PM