Pentair FLECK 3900 NXT - Totalizer; Hours between Last Two Regenerations; Hours Since Last Regeneration; Volume Remaining

Installer Manual Fleck 3900 - NXT - Programming
Ref. MKT-IM-015 / B - 08.06.2018 75 / 126
6.6.4. Totalizer
Note
The controller registers the total volume of treated water that passes through the meter
since start-up (or last hard reset).
6.6.5. Hours between last two regenerations
Note
Shows the number of hours between the last two regenerations, which indicates the
duration of the last service cycle.
6.6.6. Hours since last regeneration
Note
Shows the number of hours since the last regeneration, indicating the duration of the
current service cycle.
6.6.7. Volume remaining
Note
Shows the volume remaining for the valve where controller is installed, excepted for system
#6 where it shows the volume remaining of the complete system.
A To reset, press and hold the buttons and for 5 seconds
until the display shows zero.
TOTALIZER : 
0 L
2 LAST REGEN
0 HOUR
LAST REGEN. 
0 HOUR
In system #4, #5, #7, #9 and
#14.
VOL REMAINING 
100000L