23.9
FILTRATION
It is the normal position of exercise, it carries out the filtration of the treated water from the entry
to the exit.
23.10
BACKWASH
It is used for cleaning the filter media present in the filter. This operation removes any suspended
matter caught by the filter media during normal exercise
23.11
RINSING
it should be done after the backwash in order to remove eventual impurities inside the valve.
23.12
WASTE
It allows water to flow straight to the waste (ex. emptying the pool)
23.13
CIRCULATION
It allows the system to operate without the filter. water is by-passed straight to the exit
23.14
LOCK
It closes every passage of the valve.
23.15
WINTER
It is an intermediate position which, with an empty system, prevents eventual breakings caused
by freezing.
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'
MANUALE D
USO E MANUTENZIONE
0200200
R
.2.4
25/11/14
EV
DEL
–
INSTRUCTION AND MAINTENANCE MANUAL
ATTENTION:
the selection with the
multiport valve level
should be done ONLY
WHEN THE SYSTEM IS
SWITCHED OFF AND NOT
IN USE.
L–
'
'
MANUEL D
UTILISATION ET D
ENTRETIEN
31