Ariston VELIS TECH R ABS 50 Assembly And Operation Instructions Manual - Page 35
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LEGIONELLA BACTERIA FUNCTION
Legionella are small rod shaped bacteria which are a natural constituent of all fresh waters. Legionaries'
disease is a pneumonia infection caused by inhaling of Legionella species. Long periods of water stagna-
tion should be avoided; it means the water heater should be used or flushed at least weekly.
The European standard CEN/TR 16355 gives recommendations for good practice concerning the preven-
tion of Legionella growth in drinking water installations but existing national regulations remain in force.
This electro-mechanical storage water heater is sold with a thermostat set at a temperature higher than
60°C; it means it is enabled to carry out a "thermal disinfection cycle" to restrict the Legionella growth
inside the tank.
Warning: when this software has been carrying out the thermal disinfection treatment, water temperature
can cause burns. Feel water before bathing or showering.
TECHNICAL CHARACTERISTICS
For the technical specifications, refer to the nameplate (the nameplate is located next to the water in-
take/outlet pipes).
Product range
Weight
Installation
Model
Volume available
The appliance is conforming with international electrical safety standard IEC 60335-1;
IEC 60335-2-21.
Electromagnetic compatibility (EMC): EN 55014-1, EN 55014-2, EN 61000-3-2, EN 61000-3-3.
This product is in conformity with REACH regulations.
This product is a device that must be installed vertically in order to operate correctly. Once installa-
tion is complete, and before any water is added or the power supply is connected, use a measuring
instrument (i.e. a spirit level) to check that the device has been installed perfectly vertical.
The appliance heats water to a temperature below boiling point. It must be linked up to a mains water
supply according to the appliance performance levels and capacity.
Before connecting the appliance, it is first necessary to:
- Check whether the characteristics (please refer to the data plate) meet the customer's requirements.
- Make sure the installation conforms to the IP degree (of protection against the penetration of liquids)
of the appliance according to the applicable norms in force.
- Read the instructions provided on the packaging label and on the appliance data plate.
This appliance was designed to be installed only inside buildings in compliance with the applicable
norms in force. Furthermore, installers are requested to keep to the following advice in the presence of:
- Humidity: do not install the appliance in closed (unventilated) and damp rooms.
- Frost: do not install the appliance in areas where the temperature may drop critically and there may
be a risk that ice may form.
- Sunlight: do not expose the appliance to direct sunrays, even in the presence of windows.
- Dust/vapours/gas: do not install the appliance in the presence of particularly dangerous substances
such as acidic vapours, dust or those saturated with gas.
- Electrical discharges: do not install the appliance directly on electrical supplies that aren't protected
against sudden voltage jumps.
TABLE 1 - PRODUCT INFORMATION
kg
Vertical
l
INSTALLING NORMS (for the installer)
30
50
17,5
23
Vertical
Refer to the nameplate
25
45
80
100
27,5
35
Vertical
Vertical
65
80
35 / EN