Pentair Fleck 3150 NXT Installer Manual page 139

9.2 Recommended maintenance plan
9.2.1 Valve used for softening
Items
Injector & filter
BLFC***
DLFC***
Bypass (if
present,
contains
Orings***)
Piston* Check/clean/
replace if
necessary
Seals & Check/clean/
spacers* replace if
necessary
Brine valve Check/clean/
replace if
necessary
O-rings*** Check for
watertightness
/clean or
replace in case
of leakage
Motors
Gearing
Inlet hardness
Residual Check/adapt
hardness mixing screw if
necessary
Electronic/
settings**
Transformer**
Microswitches
Meter(s)* Check and
(if present)
Meter cable(s)*
(if present)
Ref. MKT-IM-010 / F - 16.01.2023
1 year 2 year
Clean Clean
Clean Clean
Clean Clean
Clean Clean
Replace
Replace
Check/clean/
replace if
necessary
Check for
watertightness
/clean or
replace in case
of leakage
Check Check
Check Check
Check Check
Check/adapt
mixing screw if
necessary
Check Check
Check Check
Check Check
Check and
Clean Clean
Check Check
Installer manual Fleck 3150 NXT/NXT2 - Maintenance
3 year 4 year
Clean
Clean
Clean
Clean
Check/clean/ Replace
replace if
necessary
Check/clean/ Replace
replace if
necessary
Check/clean/ Check/clean/
replace if replace if
necessary necessary
Check for Check for
watertightness watertightness
/clean or /clean or
replace in case replace in case
of leakage of leakage
Check Check
Check Check
Check Check
Check/adapt Check/adapt
mixing screw if mixing screw if
necessary necessary
Check Check
Check Check
Check Check
Check and Check and
Clean
Check Check
5 year
Clean Clean/ replace
if necessary
Clean Clean/ replace
if necessary
Clean Clean/ replace
if necessary
Clean Clean/replace
if necessary
Check/clean/
replace if
necessary
Check/clean/
replace if
necessary
Replace
Check for
watertightness
/clean or
replace in case
of leakage
Replace
Check/ replace
if necessary
Check
Check/adapt
mixing screw if
necessary
Check/ replace
if necessary
Check/ replace
if necessary
Replace
Replace
Clean
Replace
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