Backwash; Rinse - Hayward FIBERPOOL SERIE Manual Del Usuario

5.2.2. Backwash

Stop the pump and set the valves in positions indicated in Fig. 6.2.
Start the pump and proceed with the backwash. It will be done, according to the standard DIN19643, for
7 minutes at a speed of 50 m3/h/m2. It is recommended to not exceed this velocity to avoid the loss of
filtration media to the drain.
The pressure inside the filter during this operation must not exceed 1 bar for the filters with laterals, and 0.8 bar for
the filters with nozzle plate.
Skimmers or
Drain
balance tank

5.2.3. Rinse

Rinse must be carried out immediately after backwash. This process will be performed following the steps below:
Stop the pump and set the valves in positions indicated in Fig. 7.2.
Start the pump and proceed to perform the rinse. See point 5.1.3.
After the rinse, stop the pump and immediately set the valves in the Filtration position (see point 5.2.1).
Skimmers or
Drain
balance tank
Suction inlets
Return
Suction inlets
Return
Waste
Fig. 6.2
Waste
Fig. 7.2
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