Pentair FLECK 2850 SXT, Installer Manual

Page: 73 / 104

Installer manual Fleck 2850 SXT - Maintenance
Ref. MKT-IM-030 / C - 12.05.2020 73 / 104
9.2.2 Valve used for filtration
Items 1 year 2 year 3 year 4 year 5 year
DLFC*** Clean Clean Clean Clean Clean/ replace
if necessary
Bypass (if
present,
contains
Orings***) Clean Clean Clean Clean Clean/replace
if necessary
Piston* Replace Replace Replace Replace Replace
Seals &
spacers* Replace Replace Replace Replace 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
Motors Check Check Check Check Replace
Gearing Check Check Check Check Check/ replace
if necessary
Electronic/
settings** Check Check Check Check Check/ replace
if necessary
Transformer** Check Check Check Check Check/ replace
if necessary
Microswitches Check Check Check Check Replace
Meter(s)* (if
present) Check and
Clean
Check and
Clean
Check and
Clean
Check and
Clean
Replace
Meter cable(s)*
(if present) Check Check Check Check Replace
Valve
watertightness Check Check Check Check Check
Valve to piping
watertightness Check Check Check Check Check
* Wear parts - durability strongly affected by raw water quality and regeneration frequency.
** 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.