Ariston 100 Multis Instrucciones de instalación, uso y mantenimiento - Página 16
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INSTALLING NORMS (for the installer)
This product is a device that must be installed vertically in order to operate correctly. Once installation 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:
- Damp: 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.
In the case of walls made of bricks or perforated blocks, partition walls featuring limited static, or masonry differ-
ent in some way from those stated, you first need to carry out a preliminary static check of the supporting system.
The wall-mounting fastening hooks must be designed to support a weight that is three times higher than the
weight of the water heater filled with water.
Fastening hooks with a diameter of at least 12 mm are recommended.
We recommend installing the appliance (A Fig. 1) as close as possible to the delivery points to minimise heat loss
along the pipes. Local regulations may provide for restrictions on installation in bathrooms; observe any regula-
tory minimum distances. To facilitate maintenance, make sure there is a clearance of at least 50 cm inside the
enclosure for access to the electrical equipment.
Hydraulic connection
Connect the water heater's inlet and outlet with pipes or fittings that are able to withstand temperature in excees
of 90°C at a pressure exceeding that of the working pressure. Therefore, we advise against the use of any materi-
als which cannot resist such high temperatures.
The appliance must not be supplied with water of hardness less than 12°F, nor with especially hard water (greater
than 25°F); we recommend installing a water softener, properly calibrated and controlled - do not allow the re-
sidual hard- ness to fall below 15°F.
Screw a "T" piece union to the water inlet pipe with the blue collar. On one side of the "T" piece union, screw a
tap for draining the appliance that can only be opened with the use of a tool (B Fig. 2). On the other side of the
"T" piece union screw the safety valve supplied (A Fig. 2).
Safety group complies with the European standard EN 1487
Some countries may require the use of hydraulic special safety devices; the installer must check the suitability of
the safety device he tends to use.
Do not install any shut-off device (valve, cock, etc.) between the safety unit and the heater itself.
The appliance's drain outlet must be connected to a drain pipe of diameter at least equal to the of the outlet itself,
with a funnel to permit an air gap of at least 20 mm for visual inspection. Use a hose to connect the safety group
to the mains cold water supply; fit a cock 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 installing the safety device, do not tighten it fully down, and do not tamper with its settings.
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.
Electrical connection
It is mandatory, before installing the appliance, to perform an accurate control of the electrical system by verifying
compliance with current safety standards, which is adequate for the maximum power absorbed by the water heater
(refer to the data plate) and that the section of the cables for the electrical connection is suitable and complies with
local regulations. The manufacturer is not liable for damage caused by lack of grounding or anomalous power
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