JUDO PROFI-PLUS / JUDO PROFI-QC
15
Operation
ATTENTION
(see chapter “Safety information and
dangers due to non-compliance”)
The closing operation must be carried out
until the lower limit stop, until no backwash
water exits any more!
If the closing operation is interrupted before
reaching the lower limit stop, the closing
valve is not completely closed. The result is
that water permanently leaks. Along with
high water consumption, this can lead to wa-
ter damage, especially if the backwash wa-
ter is not drained off as described in the
chapter “Discharging the backwashing wa-
ter”.
Backwashing may be repeated if required.
5.3.1 Backwashing interval
The Backwash protective filter must be
backwashed:
–
Every two months at the latest.
–
If the water pressure falls.
–
If the Backwash protective filter is visibly
dirty.
ATTENTION
(see chapter “Safety information and
dangers due to non-compliance”)
An interval greater than two months until the
next backwashing can lead to a contamina-
tion of the filter. That can result in a signifi-
cant reduction in the water quality.
Unauthorised persons must not operate the
filter! Persons who operate the filter must
observe the operating instructions. Failure
to observe these instructions can result in
damage to property and personal injuries.
The smaller the mesh size of the screen in-
sert the more frequently backwashing has to
be effected!
Experience shows that increased dirt is de-
posited during the initial running period. If
so, the unit has to be flushed more often
than usual.
Failure to flush in good time can cause dam-
age to the screen. Larger quantities of fil-
tered particles can deform the screen and as
an extreme incident cause the tearing of the
sieve. As a result a filter function is not any
longer ensured. In addition, larger quantities
of dirt can cause mechanical impairment
concerning the backwashing function.
5.3.2 Backwash reminder alarm
(only JPF
+
¾" - 1¼"
)
The backwash reminder alarm in the
handwheel reminds to backwash every 2
months. You can also mark the next back-
wash date using the adjusting ring under the
handwheel.
–
Push the
RESET
-key to stop the beeping.
This also restarts the 2-month time inter-
val. Be sure to replace exhausted batter-
ies in time. The beep is only considered
an additional reminder for backwashing.
Independent of that, the backwashing
needs to be carried out every two
months.
The degree of pollution as well as
the cleaning off operation can be
watched from outside.
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