Culligan CTM 21 - Page 66

62 Culligan® Culligan Top Mount (CTM) Water Filters
62 Cat. No. 01029343
Backwash
Treated
Hard
Brine
Key
Waste
Diluted Brine
7
8
1
2
3
6
4
5
Table 11. Piston Cycle Positions, Backwash
Piston
Number
Piston
Position 1 Position 2 Position 3
Service Backwash Fast Rinse
1 Valve Inlet Up Down Up
2 Valve Outlet Up Down Down
3 Backwash Down Up Down
4 Drain - Backwash Down Up Down
5 Drain - Fast Rinse Down Down Up
6 Hard Water Bypass Down Up Up
7 Refill Down Down Down
8 Brine Draw Down Down Down