Refill Flow Controller Cleaning; Injector And Injector Screen Cleaning - Pentair AUTOTROL 368 Installer Manual

Installer manual Autotrol 368 (604-606) - Maintenance
Mandatory
These operations must be performed before any cleaning or maintenance procedure !
1. Unplug the wall-mounted transformer.
2. Shut off water supply or put bypass valve(s) into bypass position.
3. Relieve system pressure before performing any operations.
9.4.2

Refill flow controller cleaning

1. Using a Torx key, unscrew and extract the refill flow controller (4).
2. Clean the refill flow controller (4) using compressed air or with a soft brush.Make sure the
refill controller groove is perfectly clean.
3. Check for O-rings integrity.
4. Check for ball (5) integrity (if present).
5. Clean the refill flow controller chamber (6) before reinserting the refill flow controller (4).
6. Reverse above procedure steps to rebuild.
9.4.3

Injector and injector screen cleaning

1. Using a Torx key, unscrew and remove the injector cap (3).
Caution - material
Take care not to damage the injector (2).
2. Using pliers, gently extract the injector (2) from valve body.
3. Clean the injector (2) using compressed air, a soft brush or possibly a pin.
4. Unclip the injector screen (1) and clean it with a soft brush.
Info
Use of descaling agent such as white vinegar might be required in case of impurities on
the injector screen (1) and on the injector (2).
5. Check for O-rings integrity.
6. Reverse above procedure steps to rebuild.
Info
The injector screen is assembled on the injector.
Use your finger to press on the injector to position it correctly when putting it back into
the valve.
46 / 60 Ref. MKT-IM-007 / D - 09.10.2020