Culligan HE Owner's Manual page 30

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c. Check to make sure the circuit board is rigidly fastened.
Power to circuit board
2.5VAC required only for
Aqua-Sensor installations
Figure 22. 2.5 VAC Aqua-Sensor® power connection.
12. Connect the power supply cord to the circuit board.
CAUTION! Verify wiring from the terminals to circuit board are correct
CAUTION! Connecting 24 VAC to the 2.5 VAC connection on the circuit
13. Reattach the electrical enclosure cover to the control valve.
a. Align the circuit board in the enclosure with the three support brackets on the control
valve frame. See Figure 23.
b. Push the enclosure onto the control valve, inserting the circuit board edge in the slots
on the control valve frame and the screw on the enclosure with the hole on the cover.
POSITION SENSOR CONNECTOR
FLOW METER CONNECTOR
Power to circuit
board 24V
before applying power to the control. 24 VAC power must not
be applied to the 2.5 VAC terminals.
board will damage the circuit board.
MOTOR CONNECTOR
PHONE
Aqua-Sensor power
cable should be
plugged to 2.5VAC
connectors—left side
Connector Plugs
Power cable should be
connectors—right side
AQUA-SENSOR PROBE
2.5v
24v
plugged to 24V