Pentair Fleck 2910 NXT2, User Manual, Page: 6 / 36

User Guide Fleck 2910-NXT2
6 / 36 Ref. MKT-UG-041 / A - 10.07.2019
3.3. Components description and location
3.4. Bypassing
If the system is equipped with a bypass and if a problem occurs, turn the valves to bypass the system as shown in the picture
below.
4 . Programming
Note:
The controller must be plugged in to be programmed.

After 5 minutes with no button pressed, the unit returns to normal operation without saving.
4.1. Basic programming
Note:
Menus are displayed in a defined and incremental order. Depending of selected system or regeneration type,
some of this parameters may not be visible. Editable or selected value or digit is marked by one or two triangles.
Day Override / Time-driven
Note:
Set the maximum number of days between two regenerations, regardless from the volume of water treated.
This parameter is not visible in «Day of the week» mode.
Regeneration time
Hardness
Note:
Set the inlet water hardness in the setted hardness unit. This parameter is visible only in «Softener meter
immediate/delayed» modes.
Volume remaining
Note:
Set the remaining volume, in Litre, before the system's capacity is exhausted. This parameter is visible only
in «Softener meter immediate/delayed» mode.
A
Press and hold and simultaneously to start user programming mode.
B
Select the number of days or hours with and .
C
Press to validate the selection and advance to the next parameter.
D
Adjust the regeneration time with and .
E
Press to validate the selection and advance to the next parameter.
F
Adjust the hardness with and .
G
Press to validate the selection and advance to the next parameter.
H
Adjust the volume with and .
I
Press to validate the selection and advance to the next parameter.
UP/DOWN buttons
Display
Regen button
Outlet
ON/OFF Line Indicator
Meter
Injector
Drain
Meter connection
Diagnostic button
Inlet
Status LED
In Bypass
In
In
Out
Out
Softening System Softening System
Normal
operation