Electrical Connection; Emptying The Appliance - Ariston VEUS EVO WIFI 30 Manual De Instrucciones

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The manufacturer will not be held responsible for such damage. Connect the inlet of the pressure safety
device to the cold water system using a flexible pipe, using a cut-off valve if necessary (D fig. 2). In addition,
a water discharge tube on the outlet C fig. 2 is necessary if the emptying tap is opened.
When tightening the pressure safety device, do not over tighten and do not tamper with it. It is normal for wa-
ter to trickle from the tap during the heating phase; for this reason, it is necessary to connect the drain, which
must always be left exposed to the atmosphere, with a drainage pipe that is installed sloping downwards in
a place with no ice. If the network pressure is closed to the calibrated valve pressure, it will be necessary
to apply a pressure reducer far away from the appliance. To avoid any possible damage to the mixer units
(taps or shower) it is necessary to drain any impurities from the pipes. The appliance must not be supplied
with water of hardness less than 1 2°F, nor with especially hard water (greater than 25 °F); we recommend
installing a water softener, properly calibrated and controlled - do not allow the residual hard- ness to fall
below 15°F. Before using the appliance, we recommend filling its tank with water and draining it completely
so as to remove any residual.

Electrical connection

Before performing any operations, disconnect the appliance from the electricity mains using the
external switch.
Before installing the appliance it is recommended to thoroughly check the electrical system to verify compliance
with established regulations; the manufacturer is not liable for damage caused by lack of grounding or anoma-
lous power 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 earth-
ing 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
mm
diameter 8.5 mm) must be positioned in the special seat in the back of the appliance until it reaches the
2
terminal (M Fig. 7 , 8) then lock the individual wires, tightening the appropriate screws. Secure the power cord
with the included cable clamp.
To disconnect the unit from the electrical supply use a bipolar, switch conforming to CEI-EN standards (con-
tact 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
Before starting up the appliance, check that the power rating matches that given on the appliance nameplate.
If the appliance is not supplied with a power supply cable, choose one of the following installation modes:
- connection to mains with a rigid pipe (if the appliance has no cable clamp); use a cable with a minimum 3x1.5
mm
section;
2
- with a flexible cable (type H05VV-F 3x1.5mm
clamp.
Startup and commissioning
Before powering up the appliance, fill the heater with mains water.
To do so, open the mains cock and the hot water tap until all the air has been vented from the boiler. Check
for water leaks from the flanges, from the by-pass pipe, tighten down the bolts not too much, if necessary (C
Fig. 5) and/or the rings (W Fig. 7 , 8).
Power the appliance by actuating the switch.
If you carry out horizontal installation you need to configure the correct display of the display by pressing the
"mode" button and the "eco" button simultaneously for 5 seconds.
MAINTENANCE REGULATIONS (for competent person)
CAUTION Observe all general warnings and safety standards listed at the begin-
ning of this text in full; all such instructions are obligatory.
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.
22
, 8.5 mm in diameter. The power cord (H05 V VF 3x1.5
2
(G Fig. 7 , 8).
, 8.5 mm in diameter) if the appliance is supplied with a cable
2

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