Idiomas disponibles
Idiomas disponibles
EN
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 technology
and at the same time giving you and your family
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 car-
rying 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 de-
veloped limescale protection unit for forming na-
no-crystals, the latest integrated control unit and
screw connections.
To make maintenance easier, we would recom-
mend
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 wa-
12
ter, causing so-called nanocrystals 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 li-
mescale 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 prerequisites
for fitting, limits of use, local installation regulations,
general guidelines (e.g. DIN, VDE, DVGW, ÖVGW,
SVGW, WVU, EVU,...), general hygiene require-
ments and technical data shall be adhered to.
The installation area must be frost-proof and pro-
tection of the device against heat sources over
40 °C and chemicals of any type must be guaran-
teed. 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 gua-
rantee the protection of the system against che-
micals, dyes, solvents, vapours and environmental
influences. The ambient temperature must not ex-
ceed 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 corrosionresistant
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 pres-
sure greater than 4 bar.
