Cleaning, inspection, maintenance
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8.2
Intervals
Task
Interval
Execution
Inspection
2 months
Visual/functional check
Maintenance
6 months
Manual backwash
Annually
Check O-rings, flat gaskets and brush for wear and
tear, check tight fit, backwash
Maintenance
5 years
Recommended: changing filter element, gaskets,
suction nozzle unit
8.3
Inspection
According to DIN EN 806-5, the owner/user must inspect the filters every 2 months.
1.
Check the installation for leaks.
2.
Open several water withdrawal points (generate max. flow).
3.
Read the inlet and outlet pressure at the pressure gauges.
4.
If the system’s differential pressure cannot be relieved by means of one or several
backwash processes, a malfunction has occurred (refer to chapter 9).
We recommend performing a backwash every 2 months.
