Making Coffee; Number Of Dispensers; Operating Cycle; Dispensing Steam With The Isteam System - Rancilio CLASSE 8 DE Technician 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 5 sec
- The dispensing solenoid valves are de-energized
and the pump motor stops for a time that can be
programmed between 0 and 5 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 automa-
tically stopped when the set temperature
is reached.
Safety Devices
No steam can be dispensed if the machi-
ne has not reached the operating pressu-
re or temperature at least once.
Steam dispensing is discontinued auto-
matically after  minutes if the set tempe-
rature 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.
 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
PICCOLO
SMALL
PETIT
KLEIN
PEQUEÑO
PEQUENO
GRANDE
GREAT
GRAND
GROSS
GRANDE
GRANDE
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