Scope Of Delivery - BWT AQA nano Notice De Montage Et D'utilisation

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Dear Customer,
Thank you for purchasing the latest generation
BWT limescale protection device. With the AQA
nano you are getting value for money and entering
into the world of the BWT nano-crystal technolo-
gy and at the same time giving you and your fami-
ly unique benefits:
• BWT Comfort: AQA nano is unmanned and
you can rely on the electronics to remind you of
the annual service required.
• BWT Security: Protection against extreme
calcification, blocked pipes and unnecessary
hygiene risks from deposits up to 20° total
hardness.
• BWT Drinking water guarantee: You will still
enjoy all the valuable and essential mineral
nutrients like calcium and magnesium. Your
drinking water stays as it is!
• BWT Service guarantee: Sit back and enjoy
the good feeling of having a competent partner
at your side. You can rely on the Aqua Service
guarantee and service package of the
European market leader.
Note:
Always keep the fitting and operating instructions
close at hand to avoid any mistakes and before
carrying out any work, read the fitting and
operating instructions carefully and follow them.

1. Scope of delivery

AQA nano limescale protection
AQA nano comes complete with the recently
developed limescale protection unit for forming
nano-crystals, the latest integrated control unit
and screw connections.
To make maintenance easier, we would recommend
before and after the AQA nano limescale protection
device, fitting a robust and reliable maintenance
shut-off device.
2. Function & Use
Limescale protection
AQA nano works on the principle of nano-crystal
formation. The integrated limescale protection
unit consists of a three-dimensional electrode.
Defined current/voltage pulses cause a local
displacement of the limescale carbonic acid
balance in the water, causing so-called nano-
crystals to be formed. Because of their small size,
the nano-crystals carry an electrical charge that
prevents adherence. The nano-crystals as a whole
are able to absorb the limescale in the water and
thus prevent deposits in pipe work and boilers.
The drinking water remains unaffected.
Application
AQA nano is used for limescale protection and
thus for the prevention of limescale stains in pipes
carrying drinking water up to 20°dH and in the
downstream, closed water heaters up to 80°C
(surface temperature). The processing of other
media as drinking water for human consumption
and use outside the flow limits of 25 l/min is not
intended and shall lead to the loss of any liability
claims against the manufacturer. Any pre-
requisites for fitting, limits of use, local installation
regulations, general guidelines (e.g. DIN, VDE,
DVGW, ÖVGW, SVGW, WVU, EVU,...), general
hygiene requirements and technical data shall be
adhered to.
The installation area must be frost-proof and
protection of the device against heat sources over
40°C and chemicals of any type must be
guaranteed. In terms of the composition of
drinking water, the EU Directive 98/83 shall apply.
Likewise, the WHO Drinking Water Standards and
the Drinking Water Ordinance shall apply.
3. Pre-requisites for fitting
Local installation regulations, general guidelines,
general hygiene requirements and technical data
shall be followed.
The installation area must be frost-proof and
guarantee the protection of the system against
chemicals, dyes, solvents, vapours and environ-
mental influences. The ambient temperature must
not exceed 40°C. Protect the device from direct
sunlight and ultra-violet light.
The area from the water meter to 1 m after the
AQA nano device shall have a corrosion-
resistant finish.
To protect the device from foreign particles, it is
essential to add a DIN/DVGW (or ÖVGW) tested
drinking water filter.
To protect the whole installation and the system, a
pressure reducer should be added at a mains
pressure greater than 4 bar.
A testing line is required for the function check of the
AQA nano.
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