Number Of Dispensers; Operating Cycle; Button Panels; Coffee Button Panel - Rancilio CLASSE 10 USB Technical Manual

1. mAKING cOffEE
1.1 Number of Dispensers
The coffee maker is equipped with 4 coffee dispen-
sers with programmable dose and pre-brewing cycle
time.
1.2 Operating cycle
When one of the coffee buttons is pressed for one of
the 4 dispensers, the following occurs:
- The dispensing solenoid valves are energized
and the pump motor starts for a time that can be
programmed between 0 and 10 sec
- The dispensing solenoid valves are de-energized
and the pump motor stops for a time that can be
programmed between 0 and 10 sec
- The dispensing solenoid valves are energized
and the pump motor starts until the programmed
impulses are reached, which start decreasing
during the first phase.
2. DISPENSING STEAm WITH THE iSteam
SYSTEm
To use this function, press the specific buttons on the
button panel; it is automatically stopped when the set
temperature is reached.
Safety Devices
No steam can be dispensed if the machine has not
reached the operating pressure or temperature at
least once.
Steam dispensing is discontinued automatically after
 minutes if the set temperature has not yet been
reached.
2.1 renewal the millk nozzle
To increase the quantity of frothed milk, change the
standard emulsion nozzle (indicated by a notch)
removing the same as indicated in the figure.
GRANDE
GREAT
GRAND
GROSS
GRANDE
GRANDE
4
PICCOLO
SMALL
PETIT
KLEIN
PEQUEÑO
PEQUENO
 Install the large nozzle (identified by 2 notches) to
increase the quantity of whipped milk.
Note: iSteam nozzles are different to those utilised
for the TSC
3. BUTTON PANELS
3.1 coffee Button Panel
This panel features 5 buttons for each dispenser (max
4) and 5 LEDs consisting of the following:
4 buttons for start/stop dispensing the programmed
coffee dose (A-B-c-D)
1 button (E) for:
- Stop dispensing any dose
- Start in continuous mode
- Initialize dose programming for
self-learning if pressed for about 8 sec.
(If the function is enabled)
Each time a coffee is dispensed, the LED of the
relative button lights up.
During dose programming, the LED of the stop button
flashes.
3.2 function
This panel features 5 buttons and 5 LEDs consisting
of the following:
1 cup-warmer button (f)
2 buttons for dispensing hot water (G)
 keys for dispensing hot water blended with the
temperature control function /4-TEA) (H-I-L)