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Pentair Evolio 255 Series - Estimated Capacity; Hardness

Pentair Evolio 255 Series
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Installer manual Evolio 255 740-760 - Programming
44 / 90 Ref. MKT-IM-037 / D - 25.10.2021
Salt setting Evolio 255 10 Evolio 255 15 Evolio 255 20 Evolio 255 30
L 45.0 46.7 55.0 53.3
S 91.0 133.3 160.0 136.7
H 180.0 226.7 250.0 226.7
1. Press .
ð Setting flashes.
2. Adjust displayed settings with and .
3. Press to validate the selection and advance to the
next parameter using or .
5.4.7 Estimated capacity
Info
The system capacity is displayed in kilograms equivalent CaCO
3
of hardness removed
before a regeneration is necessary when programmed in metric units mode.
Value is derived from the system’s resin volume input and salt amount input and must
be fine tuned for optimal operation.
Set the estimated capacity, in kg as CaCO
3
, following the following table.
Salt setting Evolio 255 10 Evolio 255 15 Evolio 255 20 Evolio 255 30
L 0.3 0.5 0.7 1.0
S 0.5 0.9 1.4 1.9
H 0.7 1.2 1.6 2.3
1. Press .
ð The amount number flashes.
2. Adjust displayed capacity with and .
3. Press to validate the selection and advance to the
next parameter using or .
5.4.8 Hardness
Set water hardness to treat at installation site in mg/L as CaCO3. Program the value of inlet
hardness taken away from expected residual hardness. For example, if inlet hardness is 300 mg/L
as CaCO
3
and residual hardness is set to 100 mg/L as CaCO
3
, set 300-100=200 mg/L as CaCO
3
.

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