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A testing line is required for the function check of
the AQA nano. This can be done simply with 2 HM-
extensions (= 244 mm) in the HydroMODUL system.
4. Fitting
Make sure that there is a sheltered socket in the in-
stallation area. The length of the connection cable
of the device is 1 metre.
I. Unpacking the device
Remove the device from its packaging and check
the delivery to see that everything is there and for
any damage caused during transport.
II. Flow direction
Please note the desired flow direction prior to as-
sembly. The device comes as standard with a flow
direction "from left to right". If you need to change
the flow direction, then proceed as follows:
a. Remove the device cladding after releasing
the two locking screws (knurled screws) on
the side of the device (see Fig. 1 und 2).
b. Set the device down with its back facing up
on a soft base (see Fig. 3).
c. Release the assembly bracket and remove it
(see Fig. 4).
d. To release the connector, press the circlip on
both flaps together and pull it in the
direction of the connection (see Fig. 5).
e. Turn the connection 45° anticlockwise and
remove it (see Fig. 6).
f. Turn the base in the flow direction and
re-connect it to the device (see Fig. 7, 8, 9).
g. In so doing, please note the flow direction
arrows and make sure the circlip clicks in. If
the AQA nano is to be fitted in a vertical pipe,
only turn the connector 45°. Then this is
fitted again and secured.
h. Then fit the support bracket back to its
original position.
III. Connecting to the water pipe
Connect the device using the screw connection
supplied to the pipe, and using the fastening bra-
cket, screws and dowels supplied, to the wall. The
projection of the tubular axle in AQA nano may be
between 80 mm and 100 mm.
The minimum ground clearance of the tubular axle
or the assembly point in vertical pipes is 500 mm.
After preparing the pipe, fit the wall bracket and
set the device on the wall bracket.
The two screws connect your AQA nano limescale
protection device to the wall bracket (see Fig. 10
and 11).
5. Start-up
After the installation or after changing the limesca-
le protection unit, open the shut-off valve in front
of the AQA nano limescale protection system and
pressurize the device. Then check that all connec-
tions are properly sealed.
Important!
AQA nano and the integrated limescale protection
unit are supplied dry for hygienic reasons. For this
reason, we recommend thoroughly rinsing the de-
vice on start-up by opening a drain valve for ap-
prox. three minutes. This also allows any shavings
and other impurities introduced on installation to
be rinsed out.
Then put the mains cable into the protective con-
tact socket provided and check that the two green
indicator LEDs are working in the inspection win-
dow. Both indicator lamps must light up. When
water is removed, the upper indicator LED starts
to flash every two seconds. If this signal is not dis-
played, then check the flow direction, the power
supply and the cable connections.
The device is now ready for use!
6. Operation
AQA nano displays all operating conditions through
the two indicator LEDs in the inspection window
(see Fig. 12).
When water is removed, the upper indicator lamp
flashes every two seconds. If the indicator LED
"IN OPERATION" goes out, then the limescale pro-
tection unit, as described in Item 7, must be chan-
ged. If the indicator lamp "POWER" goes out, there
is either a fault in the power supply or the device
has been seriously damaged. If the indicator lamp
"POWER" does not flash when water is removed,
then the water is not removed by the device or the-
re is a fault in the device. In this case, please con-
tact your fitter or your BWT technical advisor.
EN
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