Sita 405 AL2, Руководство по установке, использованию и обслуживанию

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2. General Principles
Information about UV irradiation
The UV sterilizers of the SINGLE LAMP series have been planned specially for destroying
harmful bacteria and viruses present in your water.
Their working is based on a physical principle which is a warranty of security: the output of ultra-
violet irradiation.
The UV light given out by special mercury fumes lamps (UV-C rays

= 254nm) is highly
germicidal because it interacts with DNA and RNA, at a molecular level.
The deep bio-structural disorder caused by such irradiation interferes with the development and
the ability of reproduction of every kind of micro-organism, making it harmless.
Generally it is better to mount a pre-filter before the UV sterilizer, in this way the impurities of
every nature and consistence are kept.
This system comes to be necessary if we want to have a high degree of sterilization, infact the
non-filtration and removal of suspended particles in the water has, as a consequence, a decrease
of the sterilizer's efficiency.
If the water to be treated contains sulphydric acid or more than 0.3 p.p.m. of iron or filtrable
solids, once passed through the sterilizer,
it leaves a residual sediment on the quartz sleeve, which, therefore, must be periodically cleaned
(the frequency depends on the quantity and quality of water treated).
General directions
According to the European rules EN 60204-1 (safety of the set-up off the electrical equipment-
general rules) the low tension electrical instruments (rule 2006/95/CE) must be connected to a
current-tap provided with grounding.
Safety direction
The light of ultra-violet lamps can cause serious burns to unprotected skin and eyes,
therefore it is recommended not to connect it to the current tap without having before
ensured the UV lamp in its housing and inserted the PVC cover.
Indications for the disposal
We remind that, according to what is fixed by D.L.25 july 2005, № 151 “Accomplishment of
directives 2002/CE, 2002/96/CE and 2003/108/CE, concerning the reduction of the use of
dangerous substances in electric and electronic equipments, and the disposal of waste” both
mercury vapours lamps and electrical panels, when no more used, must be considered as special
waste, and in the same way disposed of.
To do that, it is possible to address to specialized centres for the recovery of dangerous materials,
or to contact directly our technical department.
INFORMATION TO USERS pursuant to art. 14 of the 2012/19 / EU DIRECTIVE OF
THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 4 July 2012 on waste
electrical and electronic equipment (WEEE)
The crossed bin symbol on the appliance or on its packaging indicates that the product
at the end of its useful life must be collected separately and not disposed of together
with other mixed urban waste.