TIMER DISPLAY FEATURES
System
Number
Valve
Address
Valve State
(SBY, SRV, INI, LCK)
Flow
Indicator
Time
of Day
Shift Button
Adjusts Values to the Left
Up Button
Adjusts Values Up
Down Button
Adjusts Values Down
Volume Remaining
Status LED
Display Screen
Time of Day alternates
with Error Screen
Example: Valve #, Volume
Remaining, Errors
Diagnostic Button
View Flow Rate, Peak Flow
Rate, Totalizer, Hours
Between Last Two
Regenerations, Hours Since
Last Regeneration, Adjustable
Volume Remaining, Valve
Position, Send & Receive
Errors, Software Version
Extra Cycle Button
Cycle Valve in
Regeneration/Cycle
Programming Steps
Figure 1
Valve State
INI (Initializing) -
INI will display on the screen for 30 to
45 seconds when initializing after a power failure reset or
programming.
RGQ (Regeneration Queued) -
RGQ indicates that the reserve
has been entered in a delayed system and regeneration has
been queued. When in the main screen, press the Extra Cycle
button to toggle service (SRV) with RGQ.
Service (SRV) -
SRV will display when the unit is In Service.
LCK (Lock) -
Lock will be displayed when contact closure is
applied across the interlock terminals on the circuit board. See
the “Network/Communication Cables & Connections” section of
this manual.
LED Status Lights
Blue LED -
Illuminates while the unit is In Service and no
errors exist. The unit will always be In Service unless a
regeneration trigger has occurred (green LED light will be
displayed). A blinking blue light indicates the timer is In Service,
and queued for regeneration.
Green LED -
Illuminates when the unit is in Regeneration
mode. A blinking green light indicates the timer is in Standby,
and not in Regeneration.
Red LED-
Illuminates when there is an error.
Flow Indicator
A rotating line (appearing as a rotating star shape) will display
on the screen when flow is going through the meter.
NETWORK/COMMUNICATION CABLES
& CONNECTIONS
Use a CAT5 Network/Communication cable.
Connect the network/communication cable to either port before
programming.
The maximum cable length between timers is 100 feet.
Connect units together from one communication port to the
next communication port. The order is not important.
Communication Ports
Ground
Lock Regen
Figure 2 Current NXT Circuit Board
NXT Stager Controller AU11