EN
3 Usage and design
3.1 Assigned use
This BWT filter cartridge …
is only to be used for decarbonizing cold water fulfilling the legal requirements for drinking
water.
reduces total* hardness and thus protects appliances against lime scale deposits.
improves flavour of bevarages by removing substances responsible for taste and odor (eg.
chlorine).
minearalizes drinking water with magnesium.
filters particles* out of the water.
Any other use is deemed to be non-intended.
3.2 Design and function of the filter system
1 Pre-filtration: Removal of particles
2 Active carbon pre-filtration: Substances responsible for taste and odor (e.g. chlorine) are
removed, no oxidation of ion exchanger
3 Ion exchanger: Decarbonisation and mineralisation with magnesium
4 Active carbon filtration: removal of chlorine, also from bypass water
5 Particle filter: removal of particles
4 Operating and safety instructions
Despite complying with all safety precautions, risks remain especially in case of misuse or
inappropriate handling. Each technical device is to be maintained and serviced regularly to
function properly.
I
WARNING!
f
Any use contrary to the intended use, e.g., if the filter system is fed with water that is not of
drinking water quality, results in a health hazard when the water is drunk:
- Microbiological hazard due to contamination with pathogenic germs
- Hazard from too high a concentration of heavy metals or organic contamination
f
To protect the drinking water, maintanance and any other work on the filter system has to be
carried out considering national directives for drinking water installations (e.g. DIN 1988, EN
1717) and applicable state and local regulations.
f
If the authorities or the operator of the water supply system release instructions to boil the
potable water due to microbial contamination it is necesary to boil the filtered water before
consumption. If the drinking water quality is restored the filter system must be replaced and
connections cleaned.
f
Two type-tested non-return valves (in accordance with DIN EN 13959) are included in the
filter head.
f
Separate the filter system from the water supply prior to maintenance work on the drinking
water supply. Rinse the water line before reconnecting the filter system.
f
Disconnect the power supply of the appliance prior to installation.
I
CAUTION!
f
Observe all national directives for drinking water installations (e.g. DIN 1988, EN 1717) and
applicable state and local regulations, general sanitary requirements and technical data for
the protection of drinking water.
f
A check (shut-off) valve upstream of the filter system must be installed.
f
Use only connections with gaskets or flat seals. Conical seals damage the filter head connec-
tions and will invalidate the warranty claim.
f
The appliance needs to be connected with hoses in accordance with DVGW W 543 or NSF
42/53.
3
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