Unic Stella di Caffe User manual

Stella di Caffè USER GUIDE
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Tableofcontents
SAFETY ADVICES......................................................................................................................................................................3
IMPORTANT NOTES.................................................................................................................................................................3
TURNING THE MACHINE ON ....................................................................................................................................................4
WARMING UP .....................................................................................................................................................4
MACHINE WARMED UP .........................................................................................................................................4
DETAILED DESCRIPTION OF THE MENU ....................................................................................................................................5
MENU NAVIGATION ................................................................................................................................................................6
SPECIAL MENU FUNCTIONS ....................................................................................................................................................6
CODES.....................................................................................................................................................................................7
UNLOCKING A LEVEL .............................................................................................................................................7
CHANGING A PASSWORD .......................................................................................................................................7
PARAMETERS ..........................................................................................................................................................................8
DATE &TIME......................................................................................................................................................8
LANGUAGE .........................................................................................................................................................8
SOUND ..............................................................................................................................................................8
DESKTOP BACKGROUND ........................................................................................................................................9
LED BAND AND KEY LIGHTING................................................................................................................................10
MACHINE SETTINGS...............................................................................................................................................................11
GROUP SETTINGS ...............................................................................................................................................11
Temperature settings................................................................................................................................................................ 11
Dose Settings............................................................................................................................................................................. 12
Pre-infusion settings.................................................................................................................................................................. 13
Self-time settings ...................................................................................................................................................................... 14
STEAM SETTINGS................................................................................................................................................15
STEAM AIR &HOT AIR SETTINGS ...........................................................................................................................15
FAST SETTINGS ..................................................................................................................................................16
MISCELLANEOUS................................................................................................................................................17
PANEL CLEANING...................................................................................................................................................................18
DOSAMAT CONTROL BOX ....................................................................................................................................19
CONTROL BOX 2CUPS .......................................................................................................................................19
CONTROL BOX 3CUPS ........................................................................................................................................20
MANUAL CONTROL BOX ......................................................................................................................................20
CONTROL BOX STEAM AIR ...................................................................................................................................21
HOT WATER /MANUAL TAP CONTROL BOX ..............................................................................................................21
STELLA PROGRAM FLOWCHART.............................................................................................................................................22
LEVEL 0: USER ..................................................................................................................................................22
LEVEL 1: BREWER ROASTER .................................................................................................................................23
LEVEL 2: BARISTA ..............................................................................................................................................24
LEVEL 3: SUPERVISOR /OWNER ...........................................................................................................................25
LEVEL USB:......................................................................................................................................................26
CLEANING AND MAINTENANCE .............................................................................................................................................27
DAILY ..............................................................................................................................................................27
WEEKLY ...........................................................................................................................................................27
OTHER.............................................................................................................................................................27
The Manufacturer reserves the right to change without previous notice the characteristics of the machine without previous notice for the purpose of
improving its performance.

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Safetyadvices
- This appliance is not intended for use by persons (including children) with reduced physical,
sensory or mental capabilities, or lack of experience and knowledge, unless they have been
given supervision or instruction concerning use of the appliance by a person responsible for
their safety.
- Children should be supervised to ensure that they do not play with the appliance.
- This appliance is intended to be used only for its specific purpose.
The manufacturer shall not accept any liability for damages due to improper or wrong use.
- Access to the service area is restricted to persons having safety and hygiene knowledge
with practical experience of the appliance.
- Before plugging in or unplugging the power cord, place the main switch to position “0”.
- If the power cord is damaged, it must be replaced by the manufacturer, its service agent or
similar qualified persons in order to avoid a hazard.
- For electrical safety, be sure the appliance is correctly earthed.
The manufacturer shall not accept any liability for damage due to faulty earth.
- Only a qualified technician is allowed to access the internal parts of the appliance for
maintenance and service operation.
- Be careful of hot surfaces such as: cup warmer, group heads, hot water and steam outlets.
- Do not expose oneself to steam or hot water flow.
Importantnotes
- This appliance is intended to be:
Placed on an horizontal and stable surface
Used in an ambient temperature between 5°C and 35°C (41°F – 95°F).
Installed to comply with the national rules that may be applicable.
Connected to a water system with pressure ranging from 1 to 8 bar
(0.1 to 0.8 Mega pascal)
- Before connecting the electrical supply, verify that the electrical network comply with the
data plate of the appliance.
- For more details about installation, adjustments and connections, please refer to the
installation guide or the technician guide.
- This appliance must not be exposed to water jet or splash.
- Be careful not to block the air inlets with towels or other items.
- If the appliance as to be stored with ambient temperature less than 5°C (41°F), the water
circuit (boiler – pipes) should be emptied.

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Turningthemachineon
When the machine is turned on, the machine goes through a starting up procedure that allows it to check all of
the elements. The process takes approximately 45 seconds.
Never turn the machine on with the USB key inserted into the side of the machine.
Warming up
The machine begins the warming up process once the Control Parameters panel appears. Take into account
approximately 1/2 hour for the machine to reach operating temperature.
Machine warmed up
The menu is not accessible if the machine is not warmed up. Once the machine is warmed up, just press on
the screen to access the menu:

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DetailedDescriptionoftheMenu
Codes: allow you to access the various menu levels.
Parameters: allow you to use to set parameters: date and time, language, sound, desktop
background, units, and lighting.
Utilization: allows you to use or set parameters for the functions: rinse group, cleaning group, coffee
counters, maintenance planning, Led bar on/off, softener.
Energy economics: allows you to use or set parameters for the functions: day/night, groups
watchfulness, stop group, programming day/night.
Maintenance: allow you to use or set parameters for the functions: component test, error list, event
log, cooling, CIM (Machine card identity), and counters.
Machine settings: allow you to use or set parameters for the functions: group settings, steam
settings, Steam Air, fast settings, stop group, and miscellaneous.
Panel cleaning: allows you to deactivate the key sensitivity in order to clean the panel.
The grayed icons are inactive or locked. To use these functions, you must have:
- Either an access code of the desired level;
- Or a USB key.

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Go to another menu‘
Select a group to make a
setting for it
Menunavigation
The icons mentioned above represent all of the menu navigation functions of the STELLA.
Menu name
Return to the
previous menu
Make all values
equal
Scroll up or
down
Confirmation
after change of
a parameter
Increase one
value
Decrease one
value
Display the
history list of
error codes.
This icon only
appears when
the machine is in
default
Special menufunctions
Allows you to
deactivate the
key sensitivity in
order to clean
the panel.
Press for three
seconds to
activate or
deactivate the
function.
Indicates the unlocked level

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Codes(level 1, 2, 3)
By default, most menus are locked. The various settings and programming options are impossible. Access to settings
is authorized by input of a code according to three access levels. For more complete information, consult the
chapter « Stellaprogrammingflowchart ».
Unlocking a level
Enter the five digit code.
Once the code is entered, return to the main menu. The icons authorized by the level are no longer grayed out.
Note: If the entered code is incorrect, an error message appears. Reenter the code.
After entering the code, additional options are now available by re-clicking on "codes."
Changing a password (level 1, 2, 3)
To change the password of a level, it is necessary to have previously unlocked this access level.
Enter the new code for the level two times.
Leave the current level
Deactivate the automatic locking
(1 min) when the panel is
inactive.
To change the password of the
level currently being used.
By default, the
codes are the
following:
Level 1 = 11111
Level 2 = 22222
Level 3 = 33333

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Parameters
Date & Time (level 1, 2, 3)
Allow you to set date and time.
Language (level 1, 2, 3)
Allows you to choose the menu language.
Sound (level 1, 2, 3)
Allows you to activate or deactivate the sound and adjust the volume.
Touch the +and –keys to set the desired value.
9When you select a value to make a setting, the color of
the value turns pink.
9Do not forget to confirm the setting in order to save the
parameters.
Touch the +and –keys to set the desired value.
9When you select a value to make a setting, the color of
the value turns pink.
9Do not forget to confirm the setting in order to save the
parameters.
Touch the +and –keys to set the desired value.
9When you select a value to make a setting, the color of
the value turns pink.
9Do not forget to confirm the setting in order to save the
parameters.

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Desktop background (level 1, 2, 3)
The desktop background allows you to attach a picture / photo or to view the machine parameters.
.
Importing a desktop background:
•Before importing a desktop background, the USB key must be inserted into the side of the machine.
•The USB key and its images must be correctly formatted for the machine to be able to read them.
Contact your distributor for more specific information.
View of the programmed and actual temperature
of each group.
View of the steam and pump pressure.
View of the steam and pump pressure, the temperature of each group, and the amount of water in the
steam boiler. Cursors also indicate the activation of the heating elements.
(It is the screen that appears during the starting and warming up of the machine)
To select the desktop background
To view the desktop background 9Do not forget to confirm the setting
in order to save the parameters.

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Led band and key lighting (level 1, 2, 3)
Allows you to change the color of the headband and keys.
Color Value
White 0
Red 1
Yellow 40
Green 80
Cyan 120
Blue 160
Pink 220
Red 255
Setting the light intensity
of the headband
Setting the color of the
keys.
Activation / Deactivation of the scrolling of colors of the
keys and headband at the same time.
Setting the speed of the
scrolling of the colors of
the headband and keys.
(0 = unchanging color).
Setting the color of the
headband.
Touch the +and –keys to set the desired value.
9When you select a value to make a setting, the color of the value turns pink.
9Do not forget to confirm the setting in order to save the parameters.

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Machinesettings(level 1, 2, 3)
Allow you to make various settings for the coffee machine: temperature, doses, pressures, etc...
Group settings (level 1, 2, 3)
Allow you to set and view the temperature of the groups, pre-infusion, self-times, and doses:
Temperature settings (level 1, 2, 3)
Allow you to set the temperature of each group.
Programmed
temperature.
Actual temperature
(probe) Select the group.
Touch the +and –keys to set the
desired value.
9Do not forget to confirm the setting
in order to save the parameters.

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Dose Settings (level 1, 2, 3)
Allow you to set and view doses.
If the MAN key is not enabled, press above (Only for DOSAMAT machines);
Set the desired portafilter, specifically: 1C, 2C, or 3C
In this case, the two cup portafilter is set. When the desired coffee dose is reached,
Press small or large doses. stop the infusion by touching "continue/stop."
To obtain the same value for the other Deactivate the PROgramming mode
groups, press =. to save the values.
Repeat the operation to set the other volumes.
The point appears on the group display
in PROgramming mode.
Do not forget to activate the PROgramming mode.

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Pre-infusion settings (level 1, 2, 3)
Allow you to set the wetting time of the coffee before infusion.
Pre-inf times "Open" is the time during which the electrovalve remains open (T1).
Pre-inf times "Closed" is the time during which the electrovalve remains closed (T2).
When either of the two parameters is set at 0, the pre-infusion mode remains inactive. To activate the Pre-
infusion, both times must be greater than 0.
T1
Time in seconds
Electrovalve
open
Electrovalve
closed
T2
Ti
Ti
T1=T2=0= no pre-infusion Time in seconds
Electrovalve
o
p
en
Electrovalve
closed
Touch the +and –keys to set the desired value.
Setting range: 0.1 sec à 10 sec
9Do not forget to confirm the setting in order to save the
parameters.
Touch the +and –keys to set the desired value.
Setting range: 0.1 sec à 10 sec
9Do not forget to confirm the setting in order to save the
p
arameters.
INFUSION
INFUSION

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Self-time settings (level 1, 2, 3)
Allow you to set the time-delay letting you prepare the cups in SELF mode, before the onset of the
automatic cycle.
Only for DOSAMAT machines.
Touch the +and –keys to set the desired value.
Setting range: 0 to 10 sec., default setting 1 cup: 0.5
second
9Do not forget to confirm the setting in order to save
the parameters.
Go to the 2 cup setting.
Touch the +and
–
keys to set the desired value.
Setting range: 0 to 10 sec., default setting 2 cups: 2.5
seconds
9Do not forget to confirm the setting in order to save
the parameters.
Go to the 3 cup setting.
Touch the +and –keys to set the desired value.
Setting range: 0 to 10 sec., default setting 2 cups: 2.5
seconds
9Do not forget to confirm the setting in order to save
the parameters.

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Steam settings (level 1, 2, 3)
Allow you to set the pressure of steam boiler.
Steam Air & hot air settings (level 1, 2, 3)
Allow you to set the Steam air or hot water control box settings:
•the temperature at the level of the thermostatic probe of the milk (only for a machine with Steam Air)
•the steam time-delay
•the volumes of hot water
Spot pressure of the
steam boiler.
Touch the +and –keys to set the desired value.
Setting range: 0.7 Bar to 1.4 Bar, default setting 1 Bar
9Do not forget to confirm the setting in order to save the
parameters.
9When you select a line to make a setting, the color of
the value turns pink.
9Touch the +and –keys to set the desired value.
9Do not forget to confirm the setting in order to save the
parameters.
Setting range:
•Steam Air probe: 50°C to 90°C , default setting 62°C
•Steam time: 0 sec to 99 sec, default setting 10 sec
•Small water volume: 0 to 2000 ml , default setting 150 ml
•Large water volume: 0 to 2000 ml , default setting 300 ml

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Fast Settings (level 1, 2, 3)
Allow you to set all the machine parameters on a single page. Report all the setting values of all the groups. Example:
setting group temperature at 90°C; all the groups are set at 90°C.
Scroll through the other settings using the navigation arrows:
Small Dose 1 Cup ÆSmall dose 2 Cups ÆSmall dose 3 Cups ÆLarge dose 1 Cup Ælarge dose
2 Cups Ælarge dose 3 Cups ÆSelf-time 1 Cup ÆSelf-time 2 Cups ÆSelf-time
3 Cups ÆGroup temperature ÆTime of pre-infusion overture (T1) ÆTime of pre-infusion close
(T2) Æpre-infusion pressure overture (P1) Æpre-infusion pressure close (P2)
Do not forget to activate the PROgramming mode.
Set the desired portafilter.
In this case, the two cup portafilter is set.
Press small or large dose.
Repeat the operation to set the other volumes.
When the coffee dose is reached, stop the infusion by touching
"continue/stop."
Repeat the operation to set the other volumes.
Deactivate the PROgramming mode to save the values.
The point appears on the group
displays in the PROgramming mode.
Setting doses:
9When you select a line to make a setting, the color of the value turns pink.
9Touch the +and –keys to set the desired value.
9Do not forget to confirm the setting in order to save the parameters.

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Miscellaneous (level 1, 2, 3)
Allows you to activate the chronometer function and set the dose priority at the start of a cycle: small dose, large dose,
last dose used (Only for DOSAMAT machines).
When the pre-infusion is activated, the chronometer displays two values at the end of the cycle:
•The first value represents the pre-infusion time in seconds (T1+T2).
•The second value represents cumulative time (pre-infusion + infusion) (T1+T2 + Ti).
In dynamic mode, the chronometer is only displayed at the end of the pre-infusion.
Setting of the
chronometers display in
the screen of each group:
CHRONO OFF =
deactivated
CHRONO ON = Activated
(visible at the end of the
cycle)
DYNAMIC CHRONO =
Activated (visible during
the cycle)
Setting dose priority at the
start of a cycle:
(Only for DOSAMAT
machines)
SMALL DOSE
LARGE DOSE
LAST DOSE USED
Example: if ‘small dose' is
programmed, at the end of
any cycle, the control box is
reset at small dose.
9When you select a line to make a setting, the color of the value turns pink.
9Press the line to change the parameters.
9Do not forget to confirm the setting in order to save the parameters.
T1
Time in seconds
Electrovalve
open
Electrovalve
closed
T2
Ti
Ti
T1=T2=0= no pre-infusion Time in seconds
Electrovalve
o
p
en
Electrovalve
closed

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Panelcleaning
The clean panel mode deactivates the sensitivity of all of the touch keys in order to allow their cleaning.
Press the icon in the form of a broom until the boxes display "nC."
When the command boxes show "nC," all of the keys are deactivated.
Press the red cross for three seconds to deactivate the cleaning mode and return to normal mode.
Do not clean the panel and screens with abrasive or chemical products.
•Use cold water and a microfiber cloth to clean the panel.

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DESCRIPTIONANDFUNCTIONOFKEYS
Dosamat Control Box (reference 45100)
•The numbers
1 2 3correspond to the selected portafilter (1 cup, 2 cups, or 3 cups).
•The keys correspond respectively to the selection: (small dose) c, or (large dose) C.
•The key selects the manual mode: Manual start of cycle.
•The key selects the Self-mode: The automatic start of the cycle corresponding to the selected
portafilter.
•The Continue/stop key allows you to stop a cycle in the middle and continue a cycle in progress
(non-dosed).
A short click at the end of the cycle allows you to display the infusion time for the cycle if the chronometer
function was activated.
Note: it is possible to switch from a small cup to a large cup during the cycle and vice versa; in this case, if the
change from large to small dose is made when the small dose has already passed, the cycle stops.
Control Box 2 cups (4 doses reference: 45102)
•The keys correspond respectively to1c(1small dose) 1 and 2c (2 small doses)
•The keys correspond respectively to1C(1 large dose) and 2C(2 large doses)
•The continue/stop key allows you to do the following:
•stop a cycle in progress
•continue a cycle in progress (non-dosed).

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•A short click at the end of the cycle also allows you to display the infusion time if the chronometer
function was activated.
Note: it is possible to switch from a small cup to a large cup during the cycle and vice versa; in this case, if the change
from large to small dose is made when the small dose has already passed, the cycle stops.
Control Box 3 cups (6 doses reference: 45103)
•The keys correspond respectively to numbers 1 2 3
(1 dose, 2 doses, 3 doses)
•The key allows you to select small dose c,or large dose C.
•The continue/stop key allows you to do the following:
•stop a cycle in progress:
•continue a cycle in progress (non-dosed).
•A short click at the end of the cycle also allows you to display the infusion time if the chronometer
function was activated.
Note: it is possible to switch from a small cup to large cup during the cycle and vice versa; in this case, if the
change from large to small dose is made when the small dose has already passed, the cycle stops..
Manual control box (ON/OFF reference: 45101)
•The display indicates the infusion time.
Cycle start
Cycle stop