8
An UV irradiance higher than the threshold level means that the dose is higher than 400 J/m
2
and this
guarantee a good disinfection. If it’s lower than the user must clean the quartz sleeves, clean the sensor
measuring window or check the UVT% of the water. The irradiance threshold level can be set in the
electrical panel.
4.
Instruction for installation and servicing
General premise
The installation of the
UV 80 IT SERIES
sterilizer units must be carried out by specialized staff,
scrupolously following the instructions given hereby. It has been moreover considered necessary to
give some general information about the electrical and water connections.
Cautions:
check that the UV panel is not connected to the power supply and that the tap of the water to
be treated is turned off.
•
Connect the delivery of the water to be treated to the special water connection
•
Turn on water and check for possible leaks in any part of the unit
•
Connect the plug to the current tap
•
Check that the disinfected water comes out and that the LEDS on the panel of the control board, signal
the correct working
Let the disinfected water flow down to outlet for at least 10 minutes before using it, in order to make
the possible impurities present in the unit drain out.
NOTE: it is recommended to install a water filter directly before the UV sterilizer in order to remove
the suspended particles, eventually present in the water to be treated, which could limit the efficiency
of sterilization.
CHECKS
The
UV 80 IT SERIES
is ready for producing disinfected water, once the connection to the water
system and to the electrical grid is carried out. The unit works automatically, the electronical boards
which control the signals reaching the control panel, allow the visualization (or the sonorization) of the
correct working or of anomalies which may occur during the operating of the unit.
MAINTENANCE
The UV System of
UV 80 IT SERIES
have been projected and realized by S.I.T.A. Srl with simple
and functional principles which make the checking procedures and the periodical servicing particularly
easy.
The main points which characterize the ordinary servicing are the following: check quarterly the
quartz sleeves, which contain the UV lamps, in order to ensure the maximum disinfection, for the
cleaning.
Maintenance work may only be carried out by personnel who have been trained and authorized for this
work by the owner and/or user. The owner and/or user must ensure that the maintenance personnel are
familiar with the safety measures and regulations, and that they also comply with them, in addition to
having read and understood the operating instructions.
Only original replacement parts from the supplier must be used.
The following are the recommended service intervals for replacement parts:
UV lamp change - once per 14000 hours
UV lamp o-ring change - once per year
UV lamp thimble clean - frequency depends on the quality of the water
Control Panel filter mat - clean or change at same time as UV lamp change.
In addition the wiper drive mechanism should be inspected on a yearly basis.
