Q: What are the steps to connect an ARISTON 15-liter electric water heater to a sink?

Hydraulic Connection Piping and Inlet/Outlet: Connect the inlet (marked with a blue collar ) and the outlet with pipes and fittings resistant to temperatures exceeding 80°C. It is mandatory to install a safety group compliant with EN 1487 on the cold water inlet, consisting of a shut-off valve, a check valve, and a safety valve. The maximum water pressure must not exceed 0.7 MPa (7 bar) . If your network exceeds 4.5 bar , install a pressure reducer. Leave a minimum air gap of 20 mm under the discharge point of the safety group. Water Quality: Minimum required hardness: 12°F Recommended maximum hardness: 25°F Electrical Connection Cable and Grounding: Use a power cable of type H05VV-F 3x1 mm² (diameter 8.5 mm, voltage 230 V ~ 50 Hz). The cable enters through the hole provided at the back of the appliance and slides to the thermostat terminals. Grounding is mandatory : connect the yellow-green cable to the ground terminal. It is strictly prohibited to use extensions, multiple sockets, or adapters. Protection: Install a bipolar switch compliant with IEC-EN with a minimum opening of 3 mm (double phase cut-off). Cut off the power via this switch before any maintenance. Before Starting Completely fill the water tank from the network, open the hot water taps to purge air from the pipes, and check for leaks at the connections.

Question 1

What are the steps to connect an ARISTON 15-liter electric water heater to a sink?

Accepted Answer

Hydraulic Connection

Piping and Inlet/Outlet:

Connect the inlet (marked with a blue collar) and the outlet with pipes and fittings resistant to temperatures exceeding 80°C.
It is mandatory to install a safety group compliant with EN 1487 on the cold water inlet, consisting of a shut-off valve, a check valve, and a safety valve.
The maximum water pressure must not exceed 0.7 MPa (7 bar). If your network exceeds 4.5 bar, install a pressure reducer.
Leave a minimum air gap of 20 mm under the discharge point of the safety group.

Water Quality:

Minimum required hardness: 12°F
Recommended maximum hardness: 25°F

Electrical Connection

Cable and Grounding:

Use a power cable of type H05VV-F 3x1 mm² (diameter 8.5 mm, voltage 230 V ~ 50 Hz).
The cable enters through the hole provided at the back of the appliance and slides to the thermostat terminals.
Grounding is mandatory: connect the yellow-green cable to the ground terminal.
It is strictly prohibited to use extensions, multiple sockets, or adapters.

Protection:

Install a bipolar switch compliant with IEC-EN with a minimum opening of 3 mm (double phase cut-off).
Cut off the power via this switch before any maintenance.

Before Starting

Completely fill the water tank from the network, open the hot water taps to purge air from the pipes, and check for leaks at the connections.

Question 2

How to turn off an ARISTON 15-liter electric water heater on a sink?

Accepted Answer

Your ARISTON 15-liter electric water heater has two methods to turn it off, depending on your needs: a temporary stop or a complete stop.

Temporary stop (without cutting off the electricity): If your model is equipped with an external adjustment button (with a heating indicator light), you can stop the heating by turning this button counterclockwise to the minimum position. The indicator light goes out and the heating element stops heating. The water remains in the tank at its current temperature.

Complete stop (power cut): For a total and safe stop, go to your home's electrical panel and look for the circuit breaker dedicated to the water heater (usually identified or labeled). Switch this circuit breaker to the OFF position to completely cut off the power supply. This method is recommended if you plan to be away for an extended period or if you need to service the appliance.

Stopping the hot water supply: In case of prolonged use or before servicing, you can also close the shut-off valve of the hydraulic circuit (usually installed upstream of the appliance), or close the main valve of your home installation. Then open a hot water tap (sink, bathtub) and the drain tap (B on the diagram in the manual) to drain the water.

Before any intervention on the appliance, completely disconnect it from the electrical network using the external switch in the OFF position. Caution: the hot water supplied can exceed 50°C and cause severe burns immediately. Check the temperature before any use.

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