Ariston MCA15NAP manual Priming the water circuit, Grinding regulation, Regulating water hardness

Priming the water circuit

!Before starting the machine after long periods of inactivity, if the water tank has been completely emptied, it is essential to prime the machine circuit. The circuit must be also primed every time the display shows:

Grinding regulation NA

! Take care when rotating the knob that regulates

grinding, which is located above the brewing unit. Do

not put ground and/or freeze-dried coffee in the bean

container.

! Do not put any material other than coffee beans in

the container.

VENTILATE

1.To prime the circuit, direct the steam spout over the drip tray.

Place a cup or suitable container below the

steam spout and press the key.

Switch off at the mains before carrying out any type of operation inside the machine.

The quality and flavour of coffee depend on the grinding level, as well as the blend used.

The machine has a knob to regulate the coffee grinding.

To regulate the grinding, turn the knob one setting at a time. The figures indicate the

2.Wait until the water runs smoothly out of the steam spout. To interrupt, press the key.

After the above operations have been completed the machine is ready for use.

To dispense coffee, hot water or steam and for proper use of the machine, carefully follow the instructions that are provided.

Regulating water hardness

Regulate the machine to the right degree of water hardness that you will use.

According to this setting, the machine advises when it is necessary to run a descaling cycle.

Read the sections on “Water hardness” in “Program- ming” to regulate hardness.

fineness of the grind.

The manufacturer

configures each

appliance on an

intermediate grinding setting. If the grind is

too fine, rotate the knob to a higher setting; if the grind is too coarse, turn the knob to a lower setting.

The variation in grind will only be seen after one or two coffees have been brewed.

Use coffee bean blends for espresso machines. Try not to use high grinding settings (e.g. 1/10). Use different coffee blends for these settings. Keep the coffee in a fresh place in a sealed, airtight container.

Grinding must only be regulated if coffee is not brewed properly:

•if it is brewed too fast, this means that the grind is too coarse; turn the knob to a lower setting;

•if it is brewed in drips and/or intermittently, this means that the grind is too fine; turn the knob to a higher setting.

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