Roasting using conduction means the beans are coming in contact with a hot metal surface – the surface of the drum where roasting takes place. Roasting using convection means that heat is applied indirectly using hot air. What type of heat is roasting? Convective Heat in Coffee Roasting When you open a hot oven and … Read more
In an espresso machine the heat exchanger works on the same principle of taking a heat source and transferring the heat energy to another object The boiler itself supplies the user with steam for stretching milk as well as hot water, but the heat exchanger helps create temperature-regulated water for brewing espresso. What is HX … Read more
Most automatic espresso machines have 5 buttons. The last button on the right is usually for manual flow The buttons with 1 cup are usually set to 40 ml and the buttons with 2 cups are set to 80 ml. On the picture above this means that button 1 and 2 are set to 40 … Read more
To amend temperature settings: With the machine OFF, press and hold the 1 cup button and then simultaneously press and hold the power button A beep will sound to indicate that the temperature settings can now be changed. Can you adjust the temperature on the breville infuser? To amend temperature settings: With the machine OFF, … Read more