Culligan High Efficiency 1.5 Twin Series User Manual

Troubleshooting 49
Cat. No. 01024821
Flow Diagrams
HE 1.5 Twin Flow Valve Piston Locations
The flow valve controls the movement of untreated and treated product during downflow and upflow regeneration cycles.
Figure 52 identifies each piston as installed. For example, in this cycle (downflow service), the P1 and P2/P3 valves are
open; the P4, P5, P6, and PR valves and the Brine Piston are closed.
BRINE PISTON
P6
P1
P4
PR
P5
P2/P3
PISTONS
P1—Inlet
P2/P3—Outlet
P4—Backwash
P5—Rinse
P6—Bypass
Brine
PR—Refill
Figure 52. HE 1.5 Twin valve piston locations.
The cycle sequence is different for downflow regeneration than for upflow regeneration. Note the regeneration cycle se-
quence for downflow and upflow regeneration.
Downflow Regeneration Cycle Sequence
1. Service
2. Backwash
3. Brine Draw/Slow Rinse
4. Fast Rinse
5. Refill (Brine)
6. Bypass
See page 50 through page 56 for Downflow Regeneration flow diagrams.

Culligan High Efficiency 1.5 Twin Series Specifications

General

Brand	Culligan
Model	High Efficiency 1.5 Twin Series
Category	Water Dispenser
Language	English