Ariston BASE 30 Instrucciones Para La Instalación, El Uso, La Manutención página 15

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However, in the presence of particularly hard waters, there will be a considerable and rapid formation of limescale
inside the appliance, with a consequent loss in efficiency and damage to the electric heating element.
Electrical connection
Before performing any operations, disconnect the appliance from the electricity mains using the external
switch.
For greater safety, have qualified personnel carry out a careful inspection of the electrical system, ensuring it complies
with the applicable norms in force, because the appliance manufacturer will not be held responsible for any damage
caused by the lack of earthing of the system or for faults in the electricity supply.
Check that the system is suitable for the maximum power absorbed by the water heater (please refer to the data plate)
and that the cross-section of the electrical connection cables is suitable and complies with current laws.
The use of multiplugs, extensions or adaptors is strictly prohibited.
It is strictly forbidden to use the piping from the plumbing, heating and gas systems for the appliance earthing connection.
If the appliance is supplied with a power supply cable, should the latter need replacing, use a cable featuring the same
characteristics (type H05VV-F 3x1.5 mm
8.5 mm) should be threaded through the relevant hole on the rear part of the appliance until it reaches the terminal
board (M, fig. 7a), then the individual wires should be fixed in place by tightening the corresponding screws. To
disconnect the unit from the electrical supply use a bipolar, switch conforming to CEI-EN standards (contact opening
at least 3 mm, better if equipped with fuses).
The appliance must be earthed and the earth cable (which must be yellow-green and longer than that of the phases)
is fixed to the terminal marked by the symbol
special wire clamp provided. Before starting the appliance, make sure that the power supply voltage conforms to the
value indicated on the data plate. If the appliance is not supplied with a power supply cable, choose one of the following
installation modes:
- permanent connection to the mains using a rigid pipe (if the appliance is not supplied with a cable clamp);
- with a flexible cable (type H05VV-F 3x1.5mm
Starting and testing the appliance
Before powering the appliance, fill the tank up with mains water.
The filling is carried out by turning on the domestic mains tap and the hot water tap, until the air is completely released.
Visually check for water leaks from the flange and slightly tighten it, if necessary.
Power the appliance at the switch.
Warning! For the TOP models (featuring a user interface of the type represented in figure 5 or 6), in the event
in which horizontal installation is carried out, it is necessary to configure the correct visualization of the
display by simultaneously pressing the "mode" key and the "eco" key for 5 seconds.
MAINTENANCE REGULATIONS (for competent persons)
WARNING! Follow the general warnings and the safety norms listed at the
!
beginning of the text and keep to all the instructions given under all circumstances.
All maintenance operations and service visits should be performed by a competent person (who have the
skills required by the applicable norms in force).
Before calling your Technical Servicing Centre, check that the fault is not due to lack of water or power failure.
Emptying the appliance
The appliance must be emptied if it is to be left unused in premises subject to frost.
When necessary, empty the appliance as follows:
- disconnect the appliance from the electricity mains;
- turn off the domestic mains tap;
- turn on the hot water tap (wash basin or bathtub);
- open the drain valve B (fig. 2).
Replacing parts
WARNING! Disconnect the appliance from the electricity supply before
!
carrying out any work on it.
2
, 8.5 mm in diameter. The power supply cable (type HO5 V V-F 3x1.5, diameter
(G fig.7a). Block the power supply cord on the small cap using the
2
, 8.5 mm in diameter) if the appliance is supplied with a cable clamp.
GB
15

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