Pentair AUTOTROL LOGIX 742 - 293 CV; IT: Recommended maintenance plan

Installer manual Autotrol Magnum 293 - 298 Logix 742-762 - Maintenance
70 / 110 Ref. MKT-IM-012 / D - 03.02.2022
9.1.3 Regeneration test
1. Initiate manual regeneration and overserve flow to drain.
2. Make sure flow rate correspond to DLFC configuration.
3. Check for media loss at the drain during backwash.
4. Check to see if water runs clear at the end of the backwash cycle.
5. Observe flow fast rinse cycle and measure pressure drop thought the filter system. Pressure
drop after fast rinse should return equal or very close to pressure drop recorded after
system start-up.
6. If a Non Unfiltered Bypass cartridge is installed, make sure there is no water at the outlet
during the regeneration duration.
7. Where fitted, check for satisfactory operation of solenoid valve(s) i.e. outlet shut off during
regeneration.
9.2 293 CV / IT: Recommended maintenance plan
Items 1 year 2 year 3 year 4 year 5 year
DLFC** Clean Clean Clean / replace
if necessary
Clean Clean
Cartridges**** - - - Replace -
Pilot Screen Clean Clean Clean / replace
if necessary
Clean Clean
Pilot 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
Electronic/
settings*
Check Check Check Check Check/
replace if
necessary
Transformer* Check Check Check Check Check/
replace if
necessary
Internal
Turbine (IT
model, if
present)***
Check/ clean/
replace if
necessary
Check/ clean/
replace if
necessary
Replace Check/ clean/
replace if
necessary
Check/ clean/
replace if
necessary