SCREENGUARD
™
INSTALLATION AND USER MANUAL
29
MAINTENANCE
Winterization
Filter operation should be suspended in climates where the filter is exposed to freezing temperatures.
At the end of the irrigation season
Close the downstrem isolation valve and perform 3 manual flushs.
(To initiate a manual flush hold the MANUAL button on the flush controller pressed for 5 seconds or use
the START command in the application.)
Turn the pump off.
Close the inlet valve to the filter and release the pressure.
Drain the filter.
Disconnect all command tubes from the valves and flush controller. Drain them of water and re-connect
(Mind the command tube connection scheme, page 12).
Visually inspect the filter's body coating for damage. Repair if necessary
(see Paint retouching on the filter body, page 28).
At the beginning of the next irrigation season
See Initial Operation, page 18.
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