CP Series Technical Manual
December 15, 2004
Equipment Specifications
Page - 11
Rev. 3
Control Disc Indicator
A visual indicator on top of the control disc (black dot) shows the state of the system at
any time. The control disc rotates clockwise. When the indicator dot is at the 12
o'clock position, the Remote Tank is in service. When it is between the 12 o'clock and
6 o'clock positions, the Remote Tank is in regeneration. When the indicator dot is at
the 6 o'clock position, the Remote Tank is in service. When it is between the 6 o'clock
and 12 o'clock positions, the Main Tank is in regeneration.
Lower Valving Section
The lower valving section consists of Level Two, Level Three, Level Four and Level
Five assemblies.
In the center, there is on regeneration control valve. This valve opens after 4 teeth
on the control disc have engaged. This valve then opens, and powers the
regeneration cycle.
All of the other valves are pairs: one set for the Remote Tank and one set for the
Main Tank. For each media tank, there is an Inlet, Outlet, Drain and Check Stem
valve (also a down flow rinse valve on DFFR enabled systems.) The Inlet, Outlet and
Drain valves are all servo valves controlled by the control disc. The Check Stems are
simple one-way valves (check valves). Together, these valves control the flow of
water into and out of each media tank during service and regeneration.
Level 6
The final level of the valve is used to direct the normal service path of the water. This can be either down-flow
or up-flow. Since all regenerations are counter-current, choosing the service direction also specifies the
regeneration direction. Down-flow service is used with standard, non-packed tank systems. For high
efficiency, packed tank systems, Up-flow service is specified.
} Levels 2 - 5
} Level 1
} Level 6
Drain Valves
Inlet Valves
Outlet Valves
Control Valve
Purge Valves
(DFFR enabled valves only)
Remote Main
Outlet Valves
Drain Valves
Purge Valves
Check Stems
Up flow
Down Flow