Lusso group working day

6 0'clock, the web switch turns on the Lusso and after a few minutes the group begins to warm up. An hour later the group has reached the 66/67º C mark which it will keep most of the day.

Measurements taken every 15 seconds, hence the block-like graph. Shortly after 9am I make a first espresso and the group warms up to 70º C. Using the laser beam I see the coffee leaving the basket going from 60º quickly climbing to 65º and rising slowly, when the flow gets going, to briefly touch 70º and than lower again towards the end of the extraction.

The second time I first pre-heat the cup softly flushing the group. I could better use the tea water tap for that, but it's no problem.

A full working day for the Lusso. Notice the relatively quick warm up time of an hour and the long time, about 11 hours, it takes for the practically empty boiler to completely cool off to room temperature. The spike before the cool off starts is caused by my flushing the group to clean it and empty the boiler.


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