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INSTALLATION
The flushing procedure
You have to work through the steps of the flushing
procedure when the RO 400:
• is brand-new and has never been used before
• is being brought back into use after having been
stored using the Preservative/Antifreeze liquid
• has been cleaned, to wash away the cleaning agent
• has been fitted with a new membrane
No water from the appliance should be
consumed until you have completed the full
"Flushing procedure".
First check:
– that the drinking water tap is turned off
– that the water supply to the appliance is turned on
– that there are no leaks at all in the connections
between domestic water supply and appliance
– that the reject water and purified water hoses are
connected, with no leaks
– that the filter containers inside the appliance are
properly tightened
1 Remove the electrical plug from the wall socket.
2 Connect the electrical plug to the wall socket again. The
RO 400 will now switch automatically to flushing mode.
3 When it stops, pull out the electrical plug, then plug it back
in to make the appliance go through another flushing cycle.
4 Repeat step 3, so the appliance goes through a third
flushing cycle.
5 Turn on the purified water tap, and leave it running
for ten minutes. Then turn the tap off. The appliance
will switch automatically to flushing mode again.
... then, if the appliance is brand-new, or if the
membrane has just been replaced:
6 Follow the calibration procedure described below.
... otherwise:
6 Repeat step 5 above.
The RO 400 will now be ready for use!
Calibration
The water purifier needs to be calibrated specifically for
your water supply, to ensure the correct purification level.
Calibration should only be carried out when:
• the water purifier is new and has never been used before
• the quality of the water supply has changed for some
reason, such as if you move the appliance to a different
locality
• the membrane has just been replaced
The water produced by the appliance during
the
calibration
consumed!
12
procedure
must
not
To calibrate the RO 400:
1 Turn on the tap for purified water. Leaving the tap
running, you must now – within 10 seconds – press the
calibration button (see Fig. A) and then keep it pressed
inwards until the indicator lights for Purification Levels I
and II come on and then go out. Then release the button.
A
If any of the Purification Level lights I-III stay on (lit),
check the five points under the heading "First check:"
in the section "The flushing procedure", then start the
calibration procedure again from the beginning.
2 Allow the appliance to go on producing purified water
for at least 10 minutes. The lights for Purification
Levels I and II will now flash once and the current
water quality level will be displayed when the light for
Purification Level III comes on and remains lit,
indicating the highest purification level.
If the lights for Purification Levels I, II and III flash
intermittently in sequence, this means that cali-
bration has not been carried out properly. If so, start
again from step 1 of this "Calibration procedure".
3 Turn off the tap for drinking water. The appliance will
switch to flushing mode, then stop automatically.
The RO 400 will now be ready for use!
Moving the RO 400
If you move the water purifier to a different location,
you must observe the following points:
• Close the valve on the cold water supply pipe.
• Disconnect the electrical plug from the socket.
• Always transport the appliance in its normal upright
position.
• To re-install it, follow the original installation
instructions.
• The appliance will only need to be recalibrated if the
water supply is of a different quality, or if the
membrane has been replaced.
If the appliance is to be stored without being used
for longer than 4 months, you should follow the
procedure for filling it with the special storage
be
product (preservative). See the section "Preparing
the RO 400 for storage".
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