Culligan Smart Controller HE DF 12 Installation, Operation, And Service Instructions With Parts Lists page 23

CAUTION! Do not touch any surfaces of the circuit board. Electrical static discharges might
cause damage to the board. Handle the circuit board by holding only the edges of the
circuit board. Mishandling of the circuit board will void the warranty.
NOTE Observe all state and local electrical codes.
1. Remove the electrical enclosure from the control valve. First remove the electrical enclosure screw and then
gently remove the enclosure from the control. Refer to Figure 19 and below instructions.
Electrical Enclosure
Screw
Flow Meter
Wire Harness
2. Disconnect the 24 V power supply wire harness from the circuit board. See
3. Grip the circuit board from the edges and gently rotate it to the back of the enclosure (you are disengaging the
circuit board from the two support pins on the bottom and top of the enclosure). See
4. Remove the circuit board from the enclosure.
24 Volt Power Supply Cord
Figure 20. Circuit board power supply.
Cat. No. 01024514
24 V Power Cord
Figure 19. Electrical and accessory connections.
Figure
Support
Bracket
Support
Bracket
Figure 21. Circuit board removal.
20.
Figure 21.
Installation 19