Culligan Smart Controller HE DF 12 Installation, Operation, And Service Instructions With Parts Lists page 56

Problem/Symptom
5. Loss of mineral to
drain
6. Mineral to service
7. Continuous flow to
drain.
Flow Diagrams
Flow Valve Piston Locations
The flow valve controls the movement of untreated and treated product during regeneration cycles. Figure 60 identifies
each piston as installed. In this cycle (service), the P1 and P2/P3 valves are open; the P4, P5, P6, and PR valves and the
Brine Piston are closed.
PISTONS
P1–Inlet Piston
P2/P3–Outlet Piston
P4–Backwash Piston
P5–Rinse Piston
P6–Bypass Piston
Brine–Brine Piston
PR–Refill Piston
BRINE PISTON
Regeneration Cycle Sequence
1. Service
2. Backwash
3. Fast Rinse
4. Refill
Culligan® High Efficiency 1.5 Water Filter
52
Cause
Improper drain line flow control
Air in water system
Defective outlet manifold
Damaged O-ring.
Piston jammed in position.
Power failure while unit was in
regeneration.
PR
Figure 60.
Ensure that the control has the proper drain line
flow control.
Ensure that system has proper air eliminator
control.
Replace outlet manifold
Replace O-ring.
Replace piston or gear box.
Restore power to unit. Verify that unit is connected
to a constant power source.
HE 1.5 valve piston locations.
Solution
P5
P2/P3
P1
P4
Cat. No. 01024514
52
P6