Idiomas disponibles
Idiomas disponibles
EN
3
Performance description
3.1
Intended use
The Infinity backwash filters are used for filtration
of drinking and industrial water to protect the wa-
ter mains and the connected fittings, equipment,
machinery, tanks, boilers and production facilities
from malfunction and corrosion damage caused by
foreign particles.
The filters can also be used for filtration of well,
process, boiler feed, cooling and air conditioning
water. In these cases, advice must be obtained
from a specialist.
The filters are unsuitable for oils, greases, solvents,
soaps and other lubricating media. Water-soluble
substances also cannot be separated off.
The intended use presupposes that the filter is
installed, operated and maintained according to the
instructions and regulations of this documentation.
3.2
Foreseeable misuse
Operating the system with parameters other than
those specified in this documentation and in sec-
tion 3.1.
Not adhering to the prescribed maintenance and
service intervals.
Using spare parts and consumables not approved
by BWT.
3.3
Disclaimer
The manufacturer is released from any liability if the
customer intentionally or forcibly removes guards
or safety devices, if the customer wilfully modifies
or circumvents the same, or if the customer does
not follow the instructions in this operating manual
or on the system.
3.4
Other applicable documentation
Observe all documents from suppliers that were
included with delivery. These are considered part
of this documentation and must not be changed
or removed.
24
4
Function
Untreated water flows through the untreated water
inlet into the filter and there from the inside through
the filter element to the clean water outlet. Impurities
> 90 µm are trapped on the inside of the filter cloth.
Depending on their weight and size of these partic-
les, these particles either fall directly onto the lower
section of the filter element or cling to the filter cloth.
The filter element can be cleaned by backwashing
at regular intervals.
Backwashing is carried out automatically after
a preset time interval according to the effective
principle of backwashing by suction (suction-ring
backwashing system).
The filtering process continues uninterrupted even
during the backwashing as 90 % of the filter surface
is constantly available for filtering (nonstop filtration).
Infinity AP only
The pressure difference between the untreated
water inlet and the treated water outlet of the filter
is measured.
The backwashing process is triggered primarily by
differential pressure.
If heavy soiling of the filter element causes the
pressure difference to exceed the preset value
(approx. 0.8 bar) within the preset backwash inter-
val, the differential pressure generator causes the
unit to backwash. The preset backwash interval
starts again.
The filter is equipped with a central instrumentation
and control (CIC) connection (contact opens in the
event of malfunction or power failure).
