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7.2. Control instruments Fig.8
15Gauge with mobile needle on a fixed dial with a
single scale and colour indicator areas (excluding
SYSTEM models).
Visual control of boiler pressure.
16Gauge with mobile needle on a fixed dial with a
double scale and colour indicator areas (mod.
SYSTEM).
Visual control of the pump and of the boiler
pressure.
1 Main switch.
Three-position switch:
0 off;
1 turn on the electric power supply to the machine
(apart from the boiler) and turn on the pump to fill
the boiler;
2 turns on the electric power supply to the boiler
heating elements.
1/1Main switch.
Two-position switch with led (for mod. S24-S26-
S27);
turn on the switch, led on, the machine is turned
on and the pump is activated, filling the boiler with
water and the heater starts to work.
2 Green pilot lamp.
When on, indicates that machine is powered (main
switch on).
3 Coffee dispensing switch.
Two-position switch with led (mod. S24-S26SMIDI/
CD-TECNA/CD-SYSTEM/CD):
turn on the switch, led on, coffe is dispensed;
turn off the switch, led off, dispensing of coffee is
interrupted.
4 Electronic coffee delivery button panel.
Five buttons with relative led (mod.S27-TECNA/
DE-MIDI/DE-SYSTEM/DE):
A Press the button for a second, led on, release
button; a small coffee is dispensed.
The led turns off and dispensing ceases.
B Press the button for a second, led on, release
the button; a big cup of coffee is dispensed.
The led turns off and dispensing ceases.
C Press the button for a second, led on, release
the button; two small coffees ar dispensed from
the same unit.
The led turns off and dispensing ceases.
D Press the button for a second, led on, release
the button; two big cups of coffee are dispensed
from the same unit.
The led turns off and dispensing ceases.
E Press the button for a second, led on, release
the button; coffee is continuously dispensed.
Press the button for a second, led off, release
button; continuous dispensing of coffee ceases.
To interrupt dispensing taking place by pressing
A-B-C-D, hold button E down until the relative led turns
off
5 Coffee dispensing control lever
Take the lever and lower it to obtain the coffe
dispensing.
6 Hot water supply handwheel (mod. S24-S26-MIDI/
CD).
Tap: turn a antclockwise to open and clockwise to
close.
7 Hot water supply switch (modTECNA/CD-
SYSTEM/CD)
two-position switch with led:
turn on the switch, led on, hot water is dispenserd;
turn off the switch, led off, dispensing of hot water
is interrupted.
8 Dose of hot water supply switch (mod. S27-
TECNA/DE-MIDI/DE-SYSTEM/DE).
Press for a second, the led lights up and a dose of
hot water is obtained.
9 Steam supply handwheel.
Tap: turn in an anticlockwise direction to open and
clockwise to close.
10Steam supply button (mod.DE/H TS)
See relative instructions on point 8.3.
11Orange pilot lamp (mod. S24).
When on, indicates the activation of the resistance
for heating the water in the boiler.
Blue pilot light (mod.S26)
When on, indicates that the resistor for heating the
water in the boiler has been activated.
12Manual filling button (mod.SYSTEM).
Press down to fill the boiler.
13Valved gas power tap (models with gas heating).
Open: vertical position;
Closed: turn 90° in clockwise direction.
14Piezoelectric button (models with gas heating).
Firing button: press down firmly to give off the spark
to light the gas for the burner.