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4
Function
The water to be treated flows through the stainless steel radiation
chamber (1).
The UV emitters generate UVC rays at a wavelength of 254 nm, which
is particularly effective for disinfection. This UVC radiation damages the
genetic information (DNA) of bacteria that heavily that they are unable
to reproduce and finally „killed".
During the residual ozone degradation process, the UVC radiation at
a wavelength of 254 nm degradates the ozone dissolved in the water
highly effectively.
The volume flows specified in the technical data refer to the residual
ozone degradation process.
Disinfection is ensured provided that these volume flows are maintained
and UV transmission is greater than 90% / 10 cm.
UV transmission of 90 % / 10 cm can be expected for demineralized
water.
Residual ozone degradation: Elimination of max. 0.2 ppm ozone at 98 %.
The unit is controlled/monitored by the processor-controlled electronic
system which is integrated in the switching cabinet (3).
See UV-Control II installation and operating instructions.
The UVC sensor monitors emitter aging, the radiation intensity and any
deposits formed on the emitter protection tubes.
Note: The UVC emitter performance is temperature dependent. Small
variations in the display are normal for different water temperatures
or heating while idle.
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5
Installation conditions
5.1
General
Observe all applicable local installation regulations, general guidelines
and technical specifications.
5.2
Installation site and environment
The installation site must be free of frost and kept free of chemicals, paint,
solvents and fumes. Neither the ambient temperature nor the radiation
temperature may exceed 40 °C in the immediate vicinity.
If no floor drain exists, a separate safety device (hydrostop) must be used.
There must be at least 1.3 m of clearance above the unit to facilitate
emitter replacement.
5.3
Operation
In order to guarantee that the unit operates properly and safely, you
must consult with specialized technicians before installation. During
the consultation, the rated transmission of the water to be treated is
determined and the operating parameters required are set.
The maximum 03-incoming concentration should not exeed 0,2 ppm.
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