Bedienungsanleitung Ecm Barista A2 (Seite 21 von 29) (Deutsch, Englisch)

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2 Choose the button you would like to program and press it for a short time. Coffee is released into the cup.

3 As soon as the desired quantity of coffee is reached, press the button again. Thus, the dose for the chosen

button has been programmed.

4 The button for hot water is programmed in the same manner as the coffee buttons.

• Please note that the doses can vary if different quantities of coffee are used for coffee preparation

or if the imposed pressure on the coffee is different while tamping.

• Every button can be re-programmed at any time.

5.3 Activation of the pre-infusion

During pre-infusion, the coffee grounds are dampened prior to the espresso extraction and slowly well up. This

makes the coffee puck more stable and keeps it from being destroyed by the high brewing pressure. Furthermore, the

oils and aromas are able to develop prior to extraction.

Please follow below steps to activate the pre-infusion:

Only the left brew group is used to set up pre-infusion.

1 The machine is turned off.

2 Depress button 2 (1 espresso) and switch the machine on. The lamp of that button becomes illuminated.

Release the button.

3 Turn the machine off.

4 When the machine is then switched on again, the pre-infusion on all brew groups is activated on buttons 2 (1

espresso) and 3 (large cup) only. No provisions for a pre-infusion have been made for buttons 4 and 5.

5.4 Deactivating the pre-infusion

Please follow below steps to deactivate the pre-infusion:

Only the left brew group is used to deactivate pre-infusion.

1 The machine is turned off.

2 Depress button 3 (1 large cup) and switch the machine on. That button becomes illuminated. Release the

button.

3 Switch the machine off.

4 When the machine is then switched on again, the pre-infusion on all

brew groups is deactivated.

6 USE OF THE MACHINE

6.1 Preparation of the machine

The switched off machine is to be placed in operation as follows:

1 Make sure that there is water pressure in the supply hose.

2 Turn the machine on (power switch in position “2”).

3 Wait until the pressure gauge indicates approx. 1.0-1.25 bar.

4 Depending on the ambient temperature, the heating-up phase is approx. 45 minutes.

5 The machine is now ready for use.

6 Before preparing the first coffee, clamp the porta filter into the brew group and press the desired button of the

control panel. Release some water from the brew group. This way, the porta filter has an optimum temperature.

7 The regulation of the pump pressure takes place via the adjustment

screw at the bottom of the machine (Pic. 1). In order to read the

current pump pressure, insert the porta filter with blind filter into any of

the brew groups and press the P-button. The current pump pressure

can be read from the gauge. Stop the water flow by pressing the P-

button once again. Now start the adjustment of the pump pressure and

repeat point 7 until the desired pressure has been reached. The pump

pressure changes with the change in the plumbing pressure.

Pic.1, adjustment screw for the pump pressure

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