Netafim AlphaDisc 3, Быстрое руководство

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| AlphaDisc Filters quick user guide V1.0 30
NON-STOP BACKWASH
SYMPTOM POSSIBLE CAUSES REQUIRED ACTIONS
HIGH DP REMAINS AFTER A BACKWASH
CYCLE
HIGH FLOW RATE EXCEEDS PLANNED
IRRIGATION
CHECK THE IRRIGATION FLOW RATE.
THE FLUSHING PRESSURE IS BELOW THE
REQUIRED MINIMUM.
CHECK THE INLET / OUTLET AND DP
PRESSURE DURING FILTRATION MODE.
CHECK THE DOWNSTREAM PRESSURE
DURING BACKWASH MODE. INSTALL P.S.V.
IF NEEDED.
INSUFFICIENT CLEANING OF THE DISCS.
CLOSE THE INLET VALVE. REMOVE THE
DISCS ELEMENT, AND MANUALLY CLEAN
THE DISCS BY USING PRESSURIZED WA-
TER JETS.
DP IS NORMAL BUT THE FILTER IS STILL
BACKWASHING NONSTOP
INCORRECT FLUSHING PROGRAM.
CHECK AND SET THE RECOMMENDED
FLUSHING PROGRAM.
THE BACKWASH VALVES FAILED TO COM-
PLETE A REVERSE FLOW, FROM FILTERING
TO FLUSHING MODE.
CHECK THE BACKWASH VALVES PERFOR-
MANCE. REPAIR OR REPLACE THE VALVE’S
ACTUATOR.
THE HIGH / LOW PRESSURE SENSOR
FAILED TO READ THE ACTUAL PRESSURE.
CHECK THE PRESSURE SENSORS AND
THE CONTROLLER. REPLACE IF NEEDED.
IN CASE ALL THE ABOVE DO NOT APPLY, CONSULT YOUR LOCAL DISTRIBUTOR.