Pentair Evolio 255 Series - Advanced Programming; Regeneration Cycles Time

Installer manual Evolio 255 740-760 - Programming
Ref. MKT-IM-037 / D - 25.10.2021 45 / 90
1. Press .
ð The hardness number flashes.
2. Adjust displayed hardness number with and
.
ð Default hardness setting is 10 mg/L equivalent
CaCO
3
.
3. Press to validate the selection. Initial
programming is now complete. The controller will
return to the normal operation mode.
Info
Make sure the residual hardness set with the mixing screw will correspond to the
residual hardness value used at this programming step.
5.5 Advanced programming
Info
With the controller in main display mode, press SET to have the time of day flashing.
Then press and hold + for 5 seconds to access advance programming. A "P"
symbol is displayed on the bottom left of screen.
The Evolio 255 features an advanced programming level that allows the installer to make changes
to the controller for more demanding applications. The homeowner/end user should never have to
access this level.
The advanced programming menus include:
• P1 = Time of day;
• P2 = Day of week;
• P3 = Time of regeneration;
• P4 = Number of days between regeneration (99 day calendar override);
• P5 = Not used;
• P6 = Amount of salt (L, S, H) used per regeneration or filter backwash time (1-99 minutes);
• P7* = System capacity;
• P8 = Hardness;
• P9** = Units of measurement;
• P10** = Clock mode.
* Calculated by software.
** Pre-selected by World model (i.e. 230 Vac, 50 Hz, metrics unit).
5.5.1 Regeneration cycles time
1. Press and hold the and for 5 seconds when the controller is not in regeneration to
enter cycle time programming.