Pentair AUTOTROL MAGNUM 742 - Page 73

Installer Manual Magnum 742-762 - Maintenance
Ref. MKT-IM-012 / C - 25.10.2019 73 / 106
* Electronic parts – durability strongly affected by power source quality and stability.
** Elastomer durability is strongly affected by raw water concentration in chlorine and its derivative.
*** Wear part.
**** Cartridges tends to stick to valve body after some months in service and might be damaged when unmounting. Prefer to
remove cartridges only when it must be replaced. Cartridges must not be unmounted for troubleshooting investigations but
only when exchange is really required. Report to chapter 10.3. Magnum valve cartridge, page 88 for complete troubleshooting
guide and to chapter 9.6.12. Cartridge replacement, page 83 for proper assembly/disassembly procedure.
Internal
Turbine
(IT models, if
present)***
Check/clean/
replace if
necessary
Check/clean/
replace if
necessary
Replace
Check/clean/
replace if
necessary
Check/clean/
replace if
necessary
External
Turbine
(Cv models, if
present)***
Check/clean Check/clean Check/clean Check/clean Replace
Turbine cable
(if Turbine
present)
Check Check Check Check Replace
Valve
watertightness
Check Check Check Check Check
Valve to piping
watertightness
Check Check Check Check Check
Items 1 year 2 year 3 year 4 year 5 year