Ariston FLECK NILO Kurulum, Kullanım, Bakım Talimatları - Sayfa 17

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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 (Fig. 2, Rif.B).

On the other side of the "T" piece union screw the safety valve supplied (Fig. 2, Rif.A).

Make sure that the dielectric sleeves are correctly positioned on the hot and cold water outlets to avoid

corrosion of the tank due to galvanic coupling.

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 con-

nect the safety group to the mains cold water supply; fit a cock if necessary (Fig.2, Rif.D).

In addition, a water discharge tube on the outlet (Fig.2, Rif.C) 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 drain-

age 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 connec-

tion is suitable and complies with local regulations. The manufacturer is not liable for damage caused by

lack of grounding or anomalous power supply. Before starting up the appliance, check that the power

rating matches that given on the nameplate.

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 re-

placing, use a cable featuring the same characteristics (type H05VV-F 3x1,5 mm

The power cable (H05VV-F 3x1,5 mm

ance and connected to the thermostat terminals (Fig. 3-4, Ref. M).

Use a two-pole switch conforming with national laws in force (contact gap of at least 3 mm, preferably

equipped with fuses) to disconnect the appliance's power supply.

The appliance must be grounded with a cable (yellow/green and longer than the phase cable) connect-

ed to the terminals marked

Before starting up the appliance, check that the power rating matches that given on the 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;

- With a flexible cable (type H05VV-F 3x1,5 mm

cable clamp.

Voltage change (for models NILO 15)

Proceed as follows:

1. unplug the power cord

2. Remove the cap by unscrewing the screws that secure

3. Unscrew the nuts holding the metal plates

4. Mount terminals and metal plates as specified in Figure 8

5. Tighten the nuts in order to avoid false contacts

6. To change the thermostat, resistance, etc.. proceed by removing the cap unscrewing the screws that secure.

dia. 8.5 mm) must be routed into the hole in the back of the appli-

(Fig.3-4, Rif. G).

, 8,5 mm in diameter), if the appliance is supplied with a

, 8,5 mm in diameter).

17 / EN