Pentair Evolio 255 Series - Regeneration Test; Recommended Maintenance Plan

Installer manual Evolio 255 740-760 - Maintenance
58 / 90 Ref. MKT-IM-037 / D - 25.10.2021
8.1.3 Regeneration test
1. Check condition of brine tank and any associated equipment.
2. Check salt level in brine tank.
3. Initiate regeneration test.
ð Check brine draw during brine draw stage, observe aircheck ball and make sure of
proper function.
ð Check brine tank refill, observe aircheck ball and make sure of proper function.
ð Check operation of safety brine valve, where fitted ***.
ð Check for brine draw off levels.
ð Check for resin loss at the drain during regeneration.
ð Where fitted, check for satisfactory operation of solenoid, i.e. outlet shut off during
regeneration and/or brine line shut off valve(s).
4. Test and record Total Hardness of outlet water from softener vessel(s).
8.2 Recommended maintenance plan
Items 1 year 2 year 3 year 4 year 5 year
Injector & filter Clean Clean Clean Clean Clean/ replace
if necessary
Refill
controller &
ball **
Clean Clean Clean Clean Clean/ replace
if necessary
Aircheck & ball
**
- - - - Clean/ replace
if necessary
256 Bypass - - - - Clean/ replace
if necessary
Flappers ** - - - - Replace
Flappers
spring
- - - - Replace
O-rings*** Check for
watertightness
/clean or
replace in case
of leakage
Check for
watertightness
/clean or
replace in case
of leakage
Check for
watertightness
/clean or
replace in case
of leakage
Check for
watertightness
/clean or
replace in case
of leakage
Check for
watertightness
/clean or
replace in case
of leakage
Motor, motor
cable and
optical sensor
harness
Check Check Check Check Replace
Optical sensor Check Check Check Check Replace
Inlet hardness Check Check Check Check Check