Culligan 9" Owner's Manual page 28

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Figure 22.
8. Connect the motor cable, gear box position cable and meter cable from HE Twin Control
#2 to the auxiliary board to the main circuit board (Figure 22).
9. Connect the Aqua-Sensor probe and meter from HE Twin Control #1 to the circuit board.
The Aqua-Sensor probe terminal is labeled "Aqua-Sensor" while the Soft-Minder® meter
terminal is labeled "Flow Meter."
10. If installing an Aqua-Sensor, set up the 2.5 VAC power now.
a. Locate the Aqua-Sensor power cord packed in the small parts pack. It has two
spade terminals on one end of the cable and two metal slip-in tabs on the other
end.
b. The metal tabs should be INSIDE the controller. The spade terminals should be
connected to the transformer.
c. Press the two metal tabs on the end of the power cord into the open slots on the
connector. These will be connected to the pins labeled "2.5 V" on the circuit
board.
d. Connect the other end of the power cord, with the spade terminals, to the two 2.5
VAC terminals on the transformer (Figure 22).
11. Pull any excess cable wire out of the enclosure and route the wiring inside the enclosure to
avoid any interference.
Circuit board connections.