Hardness; Advanced Programming - Pentair Evolio 255 Installer Manual

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Installer Manual Evolio 255 - Programming

5.4.8. Hardness

Set water hardness to treat at installation site in mg/L as CaCO
taken away from expected residual hardness. For example, if inlet hardness is 300 mg/L as CaCO
and residual hardness is set to 100 mg/L as CaCO
A
Press
.
→ The hardness number flashes.
B
Adjust displayed hardness number with
→ Default hardness setting is 10 mg/L equivalent CaCO
C
Press
to validate the selection. Initial programming is now
complete. The controller will return to the normal operation
mode.
NOTE
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

NOTE
With the controller in main display mode, press SET to have the time of day flashing. Then
press and hold
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 brine used per regeneration or filter backwash time (1-99 minutes);
P7* = System capacity;
46 / 90
, set 300-100=200 mg/L as CaCO
3
and
+
for 5 seconds to access advance programming. A "P" symbol is
. Program the value of inlet hardness
3
.
.
3
Ref. MKT-IM-037 / B - 17.12.2018
3
.
3

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