KOIOS EM620 Espresso Machines User Guide

KOIOS EM620 Espresso Machines

Get Started

• This short guide is not intended to explain all the functions of the appliance.
• Please read the owner’s instruction booklet before using the appliance.

TIPS FOR BREWING THE PERFECT ESPRESSO

• Keep the filter clean.
  Before dosing coffee into your filter, ensure that it is clean and free of any residual moisture or grounds. These can negatively affect the taste of your espresso, making it over-extracted and bitter.

• Always preheat your equipment.
  Espresso is a small volume of liquid and quickly loses heat, particularly when it comes into contact with a cold surface. Preheat the filter and demitasse cups using hot water to avoid this.

• Suggest using pure or distilled water.
  The quality of water you use affects the taste of your espresso. Always use filtered or bottled distilled water to improve the flavour and keep the espresso machine’s plumbing clean.

• Buy freshly roasted beans.
  For the best taste, buy beans roasted within the past two weeks. Coffee becomes less flavorful and harder to achieve a dense crema layer after two weeks.
  Use l 00% Arabica beans for optimal results. Robusto is strong but of poorer quality and harsher flavour.
  If buying pre-ground coffee, avoid purchasing more than what you can drink in a week. Invest in a good coffee storage container and store it in a cool, dark place.

• Grind size matters.
  Dial in your grind size for great shots. A coarse grind leads to watery and astringent espresso, while a fine grind results in an intensely bitter brew.

• Use gram scales to weigh your dose.
  Measuring coffee by weight ensures that you use the same amount every time. For a single shot, use 7 to 9 grams, and for a double shot, use 13 to 15 grams.

• Extraction time should be 25-30 seconds.
  Espresso is made by forcing hot water (not boiling water) under pressure through a “puck” of finely ground coffee. Finer grinds lead to denser pucks and more pressure to force water through. The pressure used should push the water through in 25-30 seconds; if it takes longer, the espresso will be bitter.

• Tamp the coffee grind evenly.
  Use the tamping tool to tamp the coffee evenly in the filter, using an even motion. Ensure that the tamped coffee is level and compacted, and brush off any loose grounds. For consistent tamping, invest in a calibrated tamper if your budget allows.

HOW TO STEAM MILK FOR ESPRESSO

1. Choose your pitcher.
   Choose a 12 oz. pitcher for macchiatos and cappuccinos.

2. Fill the pitcher.
   Use cold milk and a cold jug for the best results. Whole milk is recommended.

3. Purge the steam wand. (Important)
   Hold the steam wand over a drip tray and release steam to remove any water. After a few seconds, the steam will gradually increase. Once the steam is strong, turn off the steam.

4. insert the steam wand.
   Partially submerge the steam tip about halfway between the centre and side of the pitcher.

5. Turn on the steam to start adding air.
   Turn on the steam to full power and introduce air with a circular motion of the milk and a “psst, psst” sound. Once the milk has doubled in volume, immerse the steam spout deeply and continue heating the milk. When the pitcher is hot to the touch, turn off the steam and remove the steam wand from the milk. The ideal temperature is 55-60°( / 131-140° F.

6. Clean the steam wand
   It is essential to clean the steam wand after each use. Purge the steam wand by turning on the steam for a few seconds and wiping it clean with a damp cloth.

7. Swirl the milk
   Gently swirl the milk in the pitcher to create a smooth and creamy texture, then give the pitcher a few gentle taps on the counter to remove any large bubbles.

8. Pour the milk into the espresso

HOW TO MAKE ESPRESSO

1. Preheat the equipment, filter, and cups by running hot water through them.

2. Align the protrusion on the coffee filter with the notch on the filter holder and turn it clockwise to secure it in place.

3. Measure out one or two level scoops of freshly ground coffee and add it to the filter.

4. Gently tap the sides of the filter a few times to distribute the coffee evenly without compacting it too much.

5. Press lightly with the tamper. Make sure the coffee is below the MAX line(important).

6. Attach the filter holder to the appliance. To attach correctly, align the filter holder handle with the UNLOCK symbol, attach the filter holder, and rotate the handle towards the right until it aligns with the CLOSE symbol.

7. Place the cup or cups under the filter holder spouts. It’s recommended to warm the cups before making coffee by rinsing them with a little hot water.

8. Press the or coffee button. The appliance will start brewing the coffee and will automatically stop once the desired amount is reached. (Make sure there is enough water in the tank.)
   Note: You can press the same coffee button again at any time to stop the brewing process and adjust the amount of coffee as desired.

9. To remove the filter holder, turn the handle from right to left and carefully remove it from the appliance.

10. Discard the coffee puck.

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