Maintenance
41
Cat. No. 01024821
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 44.
Figure 44.
Electrical and accessory connections.
2. Remove the 24V power supply wire harness and flow meter connectors from the circuit board. See Figure 45.
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 46.
Disconnect Flow Meter
Disconnect 24V Power
Figure 45.
Remove flow meter and 24V connections.
Figure 46.
Remove circuit board.
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.
7. Reprogram the circuit board.
24V Power Cord (also 2.5VAC
for optional Aqua-Sensor)
Flow Meter
Wire Harness
Electrical
Enclosure
Screw