Behncke BERLIN 2 Manuel D'utilisation page 54

Filter tank BERLIN² / Operation
6.4 How the backwash valves work
In the private swimming pool sector, filter pumps should run for approx. 10 hours every day.
The pool water must be circulated roughly twice within this time.
You can distribute the running time throughout the day.
Valve setting
Filter
Drain
(6-way valve only)
Closed
(6-way valve only)
Backwash
Circulate
(6-way valve only)
Rinse
(6-way valve only)
18
Function
In this position, the pool water is directed from top to bottom
through the filter tank.
– Normal filter process –
The filter tank is bypassed. The pool water is directed into the
sewer via the valve.
Flow is interrupted for all water paths. Choose this function
for maintenance works.
Important! Do not switch on the pump!
The pool water is directed in the opposite direction, through
the filter tank from bottom to top, in order to clean the bulk on
the filter. The pool water is directed into the sewer through the
valve.
The filter tank is bypassed. The pool water is directed back
into the pool via the valve. Choose this function when heating
up the freshly filled pool water for the first time.
The pool water is directed from top to bottom through the
filter tank to remove fine particles loosened during backwash-
ing. The pool water is directed into the sewer through the
valve.
NOTE
The backwash valve must only be operated when the pump is switched off.
When changing the position of the valve, the lever must always be pushed down
completely.
Path of the water
Pool – pump
– valve – filter –
valve – pool
Pool – pump –
valve – sewer
-/-
Pool – pump
– valve – filter –
valve – sewer
Pool – pump –
valve – pool
Pool – pump
– valve – filter –
valve – sewer