ECM MANUFACTURE Mechanika VI Slim Espresso Machine Instruction Manual

MACHINE PARTS

SELECTING THE BOILER TEMPERATURE

You can set the boiler temperature of your MECHANIKA VI SLIM before starting or while using.

The preset temperatures are selected via the 3-position switch (see below).

120°C (248°F)
(Pos. I)| 124°C (255.2°F)
(Pos. 0)| 128°C (262.4°F)
(Pos. II)
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The preset values are 120°C (248°F), 124°C (255.2°F) and 128°C (262.4°F). For different coffee roasts or compositions, it is advisable to adjust the temperature of the boiler.
The MECHANIKA VI SLIM is a heat exchanger espresso machine. In a heat exchanger, the brewing water is heated indirectly by the boiler. After the heat-up phase and a short flush*, the specified boiler temperatures of the MECHANIKA VI SLIM are approx.
90-93°C for switch position I, approx. 93-96°C for switch position 0 and approx. 96-99°C for switch position II.
The measured temperatures may vary slightly, as they depend, for example, on the ambient temperature or the temperature in the water tank.

• During a flush, the portafilter is removed from the brew group and a so-called empty draw is made to free the shower screen from adhering coffee particles and to remove excessively hot brewing water (this can  occur in a heat exchanger machine due to its design) from the heat exchanger. In our measurements, the duration of the flush was two seconds in each case, to ensure comparability between the different brews. It is  advisable to adjust the flush duration based on what is seen and heard such as bubbling or hissing. If the flush is made longer or shorter, this changes the brewing temperature.

For different coffee roasts or compositions, it is advisable to adjust the temperature of the boiler. To achieve the best possible balance of flavor, it is advisable to adjust the brewing temperature to the roasting depth.  The darker the roast, the cooler the extraction temperature should be selected for the most balanced flavor impression. This helps to reduce unwanted bitterness in the cup. If, on the other hand, the coffee tastes too  acidic, a balance can be achieved by selecting a higher extraction temperature.

Switch position I
Boiler temperature
120°C| Switch position 0
Boiler temperature
124°C| Switch position II
Boiler temperature
128°C
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For the following description, we used 16.5g of a dark espresso roast and obtained it in a ratio of 1:2.5 with a reference quantity of 45g. The water was blended with a filter to a total hardness of 4°dH.
****We recommend switch positions I and 0 for espresso and position II for the focus on more steam output.

PREINFUSION
With preinfusion, the coffee grounds in the portafilter are moistened before the actual brewing process starts, so that the coffee grounds can expand evenly and close any channels that may have formed. This ensures  that the resistance in the filter is the same everywhere, which leads to a more even extraction.
Reinfusion is deactivated by default.

ACTIVATING THE PREINFUSION

1. Switch off the machine|
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2. Ensure that the water tank is at least half full.|
3. Set the brew group lever up.|
4. Set the switch to the middle position (position 0).|
5. Switch on the machine.|
6. The green LED is flashing.|
7. Set the switch to the front position (position I) and then back to the middle  position (position 0).|
8. The setting is confirmed and saved when the green LED is on.|
9. Pull the brew group lever down again and wait 5 seconds.
The machine returns to normal operation.|

DEACTIVATING THE PREINFUSION

1. Switch the machine off.|
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2. Ensure that the water tank is at
least half full.|
3. Set the brew group lever up.|
4. Set the switch to the middle
position (position 0).|
5. Switch on the machine.|
6. The green LED is flashing.|
7. Set the switch to the front position (position I) and then back to the middle position (position 0).|
8. The setting is confirmed and
saved when the green LED is on.|
9. Pull the brew group lever down again and wait 5 seconds. The  machine returns to normal operation.|

Important
Make sure that the brew group lever remains in the upper position during adjustment.

THE ECO MODE

For reasons of sustainability, the machine is delivered with ECO mode activated. This value is set to 90 min by default. ECO mode switches off the heating of the boiler after 90 minutes of inactivity. The green LED flashes to show that the machine is in ECO mode. To reactivate the machine from ECO mode, the brew group lever or switch can be operated. If the brew group lever is operated, it must be closed again so that no draw starts afterwards.

DEACTIVATING ECO MODE

1. Switch the machine off.|
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2. Ensure that the water tank is at least half full.|
3. Set the brew group lever up.|
4. Set the switch to the middle position (position 0).|
5. Switch on the machine.|
6. The green LED is flashing.|
7. Pull the brew group lever down.
Now you have 5 seconds to change the setting. After this time, the machine automatically switches back to normal operation.|
8. Set the switch to the rear position (position II) and then back to the middle  position (position 0).|
9. The setting is confirmed and saved when the green LED is on.|
10. After a short waiting time of a few seconds, the machine switches to normal operation.|

MACHINE RESET

You can reset the MECHANIKA VI SLIM to the factory settings.
****Factory settings:
ECO mode ON (90min)
Preinfusion OFF
To reset the MECHANIKA VI SLIM to factory settings, proceed as follows:

1. Switch the machine off.|
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2. Ensure that the water tank is at least half full.|
3. Set the brew group lever up.|
4. Set the switch to the middle position (position 0).|
5. Switch on the machine.|
6. The green LED is flashing.|
7. Remove the water tank.|
8. Replace the water tank.|
9. The setting is confirmed when the green LED is on.|
10. Pull the brew group lever down again and wait 5 seconds.
The machine switches back to normal operation.|

LED INSTRUCTIONS

| Green LED is on: Machine is switched on.
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Orange LED is on: Machine is running.
Orange LED flashes (2 seconds on – 1 second off): Water tank is empty/not inserted.
Orange LED flashes (3 seconds on – 1 second off): Machine is in ECO mode.
Orange LED flashes (1 second on – 1 second off): Machine is in setup mode.
Orange LED lights up for 3 seconds: Settings have been saved.

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