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40
espresso coffee machines
6.10 WASHING THE BOILER
With the machine on, press and hold down the "hot water delivery" key for 3 seconds.
The machine dispenses water from the wand for about 2 minutes, then restore the
correct water level in the boiler.
6.11 GROUP WASHING
With the machine on, press and hold down any one of the pouring keys for 15 sec;
the group display will show -5", the press the continuous delivery key for one of
the dispensing groups to enable the GROUP WASHING function. This consists of a
5-second delivery alternated with a 5-second pause.
Press the continuous delivery key for the group in question in order to terminate the
group washing function.
To quite the GROUP WASHING function, press and hold down the continuous deliv-
ery key for one of the groups for 5 seconds.
6.12 ITC
This system offers the possibility to set a different temperature for water or coffee
infusion for each delivery group.
To change the water temperature leaving a group, use the corresponding screw
alongside the group.
Turn the adjustment screw anticlockwise to reduce the temperature.
Turn the adjustment screw clockwise to increase the temperature.
Each full turn of the adjustment screw is equivalent to a temperature change of around
2°C.
Temperature changes must only be made for the purpose of adapting the pouring
group unit to the mix of coffee in each delivery group to suit the blend of coffee being
used in order to get the best result in the cup.
Fig. 13
19
LSI 024 - Rev. 01 - Ed. 10/2016
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