Ariston ABS ANDRIS2 R 10 2.5 O [12/36] Electrical connection

Ariston ABS ANDRIS2 R 15 U [12/36] Electrical connection

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 ma-

terials 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 residual hardness 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. 1). On the other side of the

“T” piece union screw the safety valve supplied (A Fig. 1).

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. 1). In addition, a water discharge tube on

the outlet C Fig. 1 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 cali-

brated 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.

“Gravity drain” connection

Specific taps must be used for this type of installation and the connection must be implemented as shown in the

diagram in Fig. 2. With this solution, the water heater can work at any mains pressure and no type of tap must be

connected on the outlet pipe, which acts as a vent.

Electrical connection

It is mandatory, before installing the appliance, to perform an accurate control of the electrical system by ver-

ifying 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 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 replacing, use a

cable featuring the same characteristics (type H05VV-F 3x1 mm

, 8.5 mm in diameter. The power cord (type

H05VV-F 3x1 mm

dim. 8.5 mm) must be routed into the hole (F Fig. 3) in the back of the appliance and con-

nected to the thermostat terminals (M Fig. 6)

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) connected to

the terminals marked (T Fig. 6).

Before starting up the appliance, check that the power rating matches that given on the nameplate. If the appli-

ance 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

section;

- with a ﬂexible cable (type H05VV-F 3x1 mm

, 8.5 mm in diameter) if the appliance is supplied with a cable

clamp.

Testing and ignition of the device

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

leaks from the ﬂanges, tighten down the ﬁttings (not too much!) if necessary.

Turn on the appliance with the switch.

Ariston ABS ANDRIS2 R 10 2.5 O [12/36] Electrical connection

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