Pentair 255 - Flow Diagrams

Flow Diagram
Backwash/Drain (6)
Rinse Drain (5)
Bypass (4)
Outlet (3)
Regenerant (1)
Inlet (2)
C0 Treated water position
(normal position)
C1 Backwash 1 position
C2 Draw position C3 Slow Rinse position
Valve Nr
1 - Closed
2 - Opened
3 - Opened
4 - Closed
5 - Closed
6 - Closed
Valve Nr
1 - Closed
2 - Closed
3 - Opened
4 - Opened
5 - Closed
6 - Opened
Valve Nr
1 - Opened
2 - Closed
3 - Closed
4 - Opened
5 - Opened
6 - Closed
Valve Nr
1 - Opened
2 - Closed
3 - Closed
4 - Opened
5 - Opened
6 - Closed
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