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Verfügbare Sprachen
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Slowly open the stop valves before and after the
domestic water station and deaerate the water
pipe at the next outlet after the domestic water
station.
Slowly open the stop valves before and after the
filter and deaerate the pipework at the air bleed
closest to the filter (after the filter).
Before backwashing provide a collecting basin, if
the flushing water pipe is not connected to the
waste water system.
Open the turning knob counter-clockwise until you
can hear water running out and then close it again.
Check whether the filter is correctly sealed.
Operation
A backwash must be carried out once a month
to prevent dirt particles from settling on the
filter cloth (or more frequently with higher
amounts of dirt).
Before starting the backwash procedure, provide
a collecting basin, if the flushing water pipe is not
connected to the waste water system.
Backwashing
Open the turning knob (5) counter-clockwise un-
til you can hear water running out and then close
it again. Check whether the filter is correctly
Trouble-shooting
Fault
Water pressure in system has
dropped considerably;
Water pressure drops consid-
erably when water is bled
(by more than 35% of the static
pressure)
Flushing water outlet cannot be
closed
If the fault cannot be rectified using these notes, please contact a specialist firm or our
Customer Service.
All manuals and user guides at all-guides.com
Cause
Dirty filter element
Backwash element does not
reach final position due to coarse
dirt particles
sealed.
The plastic parts may only be cleaned with a
soft, damp cloth. Do not use any solvents or
detergents nor acid cleaners.
Maintenance
All technical equipment requires regular mainte-
nance. According to DIN 1988, maintenance must
be carried out by expert technical staff who also
replaces the parts subject to wear and tear. We
therefore recommend closing a maintenance con-
tract.
Maintenance must be carried out once a year, or
twice a year for communal installations. It is to be
carried out by the installer or manufacturer.
Warranty
In the event of malfunction during the warranty
period (6 months) please contact our Customer
Service and state the filter type and the produc-
tion number (see Specifications or rating plate).
Any warranty work may only be carried out
by our Customer Service.
Warranty work to be carried out by an external
specialist firm requires the express consent of
our Customer Service Manager.
Solution
Carry out backwash
Fully open and close turning
knob;
repeat backwash several
times
GB
9
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