Pentair Autotrol 255 Logix 740-760 Installer Manual page 53

Items
Motor, motor
cable and
Check
optical sensor
harness
Optical sensor Check
Inlet Hardness Check
Check / adapt
Residual
mixing screw if
hardness
necessary
Electronic /
Check
settings*
Transformer* Check
Chlorine
generator (if Check / clean
present)
Turbine
Check / clean
manifold****
Turbine cable
(if turbine
Check
manifold
present)
Valve
Check
watertightness
Valve to piping
Check
watertightness
* Electronic parts – durability strongly affected by power source quality and stability.
** Elastomer durability is strongly affected by raw water concentration in chlorine and its derivatives.
*** 255 being already equipped with an aircheck, the safety brine valve should not be equipped with an aircheck too otherwise
this may create hydraulic interferences and cause brine draw malfunction due to safety brine valve aircheck not opening.
**** Wear part.
Ref. MKT-IM-001 / C - 08.10.2019
1 year 2 year
Check
Check
Check
Check / adapt
mixing screw if
necessary
Check
Check
Check / clean
Check / clean
Check
Check
Check
Installer Manual 255-LOGIX 740-760 - Maintenance
3 year
Check
Check
Check
Check / adapt Check / adapt
mixing screw if mixing screw if
necessary necessary
Check
Check
Check / clean Check / clean
Check / clean Check / clean
Check
Check
Check
4 year 5 year
Check Replace
Check Replace
Check Check
Check / adapt
mixing screw if
necessary
Check / replace
Check
if necessary
Check / replace
Check
if necessary
Check / clean /
replace if
necessary
Replace
Check Replace
Check Check
Check Check
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