SYSTEM DEFINITIONS
System
Number
System
Description
# of
Tanks/
Controls
Type
Service Outlet Valve
Controlled by...
Operation Discussion
4
Single Unit
1
Time Clock: No Meter
Immediate: One Meter
Delayed: One Meter
Remote Signal Start: No Meter
Stager
(no solenoid required)
Single tank configuration. During
Regeneration no water available to service
unless optional bypass valve #2A installed.
5
Interlocked
2, 3, or 4
Immediate: All Meters
Remote Signal Start: No Meter
Stager
(no solenoid required)
All tanks in parallel supplying treated water.
Each unit in the system will have its own
flow meter/sensor input. The control will
delay the start of Regeneration if another
unit is already in Regeneration. Once that
unit has completed a Regeneration cycle,
and has returned to Service,the unit with
longest regeneration queue time will begin
Regeneration. No more than one unit will be
in Regeneration at a time.
6
Series
Regeneration
2, 3, or 4
Immediate: One Meter
Delayed: One Meter
Remote Signal Start: No Meter
Stager
(no solenoid required)
All tanks in parallel supplying treated water.
Only #1 control will monitor flow meter/
sensor input. When a regeneration is
required for the system, it will regenerate
valve address #1 first, immediately followed
by #2, then #3, then #4 if installed. No more
than one unit will be in Regeneration at a
time.
7
Twin
Alternating
2
Immediate: One Meter
Remote Signal Start: No Meter
Solenoid
(plug stager port 2)
One tank online supplying treated water,
one tank in Standby. Only #1 control
will monitor its flow meter/sensor input.
Regeneration of a unit will begin after the
other control has left Standby and returned
to Service. When the Regeneration cycle
is complete, the regenerated unit will enter
Standby. Standby on each tank is controlled
by a solenoid connected to the service
outlet valve of that tank.
9
Multiple Tank
Alternating
2, 3, or 4
Immediate: All Meters
Remote Signal Start: No Meter
Solenoid
(plug stager port 2)
One, two, or three tanks online supplying
treated water, one tank in Standby. Meter/
sensor input is required on each tank.
Regeneration of a unit will begin after the
other control has left Standby and returned
to Service. When the Regeneration cycle
is complete, the regenerated unit will enter
Standby. Standby on each tank is controlled
by a solenoid connected to the service
outlet valve of that tank.
14
Demand
Recall
2, 3, or 4
Immediate: All Meters
Solenoid
(plug stager port 2)
Meter input is required on each tank. Unit
#1 will begin In Service with #2, #3, and
#4 (if installed) will begin in Standby. At
least one unit is In Service at all times.
When flow rate to the Primary Service Unit
increases to a user specified rate, the next
unit in sequence will move from Standby to
Service. As the flow rate falls below the user
specified rate subsequent tanks will return
to Standby. When the Primary Service Unit
regenerates, the next unit in sequence
will become the new Primary Service Unit.
As each units capacity is reached the
controller will initiate a Regeneration of that
unit. Depending on the number of units
in the system, and flow rate demand the
regenerated unit will then be placed either
into Standby or Service. Only one unit will
be in Regeneration at a time.
NXT Stager Controller AU11