Culligan Smart Controller HE DF 12 Installation, Operation, And Service Instructions With Parts Lists page 52

Circuit Board
1. Remove the electrical enclosure from the control valve. Remove the electrical enclosure screw, and then gently
remove the enclosure from the control. See Figure 54.
Electrical Enclosure
Screw
Flow Meter
Wire Harness
2. Remove the 24 V power supply wire harness and flow meter connectors from the circuit board. See Figure 55.
3. Grip the circuit board from the edges and gently rotate it to the back of the enclosure (disengage the circuit
board from the two support pins on the bottom of the enclosure). See Figure 56.
Disconnect Flow Meter
Disconnect 24V Power
Figure 55. Remove flow meter and 24 V connections.
4. Remove the circuit board from the enclosure.
5. Remove all connected wires from the board.
6. To install a new circuit board, follow steps 1–5 in reverse order.
Culligan® High Efficiency 1.5 Water Filter
48
24 V Power Cord
Figure 54. Electrical and accessory connections.
Figure 56. Remove circuit board.
48
Cat. No. 01024514