TANTI STILI...UNA PASSIONE
espresso coffee machines
LSI 024 - Rev. 01 - Ed. 10/2016
WEEE
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espresso coffee machines
Disposal of the equipment by the users within the European Community (WEEE) in compliance with the article 13 of the legislative decree issued on 25 July 2005, nr 151 ”Implementation of the directives 2002/95/CE, 2002/96/CE e 2003/108/CE, concerning the decrease in the usage
of dangerous substances in the electrical and electronic equipment and the disposal of waste”.
The symbol of the crossed waste bin indicated on the equipment or on the packaging means that the product at the end of its lifetime must
be disposed of separately from all the other waste.
The separate collection of this equipment coming at the end of its lifetime is organized and run by the importer/distributor. The user who
should have to dispose of such equipment should get in touch with the importer/ distributor and follow the procedure they have adopted for
the separate disposal of the equipment coming at the end of its lifetime. The proper separate disposal of disused equipment so that it can
be recycled and treated according what is environmentally compatible contributes to avoid possible negative effects on the Environment and
on Health and allows the reutilization and/or the recycling of the materials the equipment is composed.
The improper disposal by the user causes the enforcement of the administrative sanctions according to current regulations.
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espresso coffee machines
INDEX
1. GENERAL DESCRIPTION OF THE MACHINE.................................. 2
1.1 CONTROL PANEL DESCRIPTION................................................ 3
1.2 COFFEE DISPENSING TOUCHPAD............................................. 4
7
TECHNICAL ASSISTANCE PROGRAM – G.A. - (optional)............. 20
7.1 SERIES S40 ALARMS MANAGER.............................................. 27
7.2 NOTES FOR THE SERVICE ENGINEER...................................... 29
7.3 ELECTRONIC EXPANSION BOARD........................................... 30
7.3.1 Check/Calibration of pump motor pressure................... 31
7.3.2 Checking/Calibrating the opening pressure
for the expansion valve.................................................. 32
8
DISASSEMBLY OF THE MACHINE ................................................ 34
8.1 DISASSEMBLY OF THE SIDE PANELS....................................... 34
8.2 DISASSEMBLY OF THE UPPER FRONT PANEL........................ 36
8.2.1 Disassembly of the control panel................................... 38
8.3 DISASSEMBLY OF THE DRAINAGE COVER PANEL.................. 39
8.3.1 Disassembly of the coffee dispensing group................. 40
8.4 DISASSEMBLY OF THE UPPER COVER.................................... 42
2.GENERAL WARNINGS...................................................................... 5
3. REMOVING THE PACKAGING.......................................................... 8
3.1 STANDARD OUTFIT OF THE MACHINE....................................... 8
3.2 OPTIONAL ACCESSORIES
(Supplied only on request of the customer)...................................... 9
4. INSTALLATION................................................................................. 10
4.1 ELECTRIC INSTALLATION DIAGRAM......................................... 10
4.2 WATER MAINS INSTALLATION DIAGRAM................................. 12
4.3 DRAINAGE SYSTEM................................................................... 13
5. ELECTRICAL SWITCH ON OF THE APPLIANCE........................... 14
6. PROGRAMMING.............................................................................. 15
6.1 PROGRAMMING THE BOILER TEMPERATURE........................ 15
6.2 PROGRAMMING DOSES............................................................ 15
6.3 PROGRAMMING HOT WATER................................................... 16
6.3.1 Hot water mix adjustment.............................................. 16
6.4 PROGRAMMING THE M.A.T. SYSTEM TEMPERATURE............ 16
6.5 PROGRAMMING ACCESS BLOCK............................................ 17
6.6 TECHNICAL MENU..................................................................... 17
6.7 E.G.S........................................................................................... 17
6.8 TEMPERATURE PROBE CALIBRATION..................................... 18
6.9 COUNTER MENU........................................................................ 18
6.10 WASHING THE BOILER.............................................................. 19
6.11 GROUP WASHING...................................................................... 19
6.12 ITC............................................................................................... 19
LSI 024 - Rev. 01 - Ed. 10/2016
9. DIAGRAMS FOR ELECTRONIC BOARD CONNECTIONS............. 46
9.1 EXPANSION BOARD................................................................... 46
9.2 CLASSIC/ SUPREMA CPU......................................................... 47
9.3 FRONT LED DISPLAY................................................................. 49
9.4 GROUP LED DISPLAY................................................................ 50
9.5 WIRING DIAGRAM...................................................................... 51
9.6 HYDRAULIC DIAGRAM............................................................... 53
10 TECHNICAL DATA............................................................................ 56
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espresso coffee machines
1. GENERAL DESCRIPTION OF THE MACHINE
The S40 coffee machine is designed and manufactured by LA SPAZIALE S.p.A. to increase the profitability of the buffet bar service by
reducing operating costs to the minimum.
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1
2
3
4
4
3
5
6
15
7
14
8
7
17
12
LEGEND
1. Programming button
2. Control panel
3. Coffee dispensing button
+ 4 digit display
4. Steam dispensing tap
5. Steam wand with incorporated temperature sensor (M.A.T.) (optional)
6. Boiler pressure gauge
2
13
11
10
9
Fig. 1
7. Steam wand
16.Upper level cup tray
8. Water collection basin + grill
17.
M.A.T. delivering system
9. Adjustable foot
(optional)
10.Main on/off switch
11.Two-cup filter holder
12.Water supply touchpad for infusions
13.One-cup filter holder
14.Water supply wand for infusions
15.Water system pressure gauge/motor pump
touchpad
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espresso coffee machines
1.1 CONTROL PANEL DESCRIPTION
1
2
Fig. 2
LEGEND
1. Programming keyboard
P =Programming keyboard
+
=Value increase button
-
=Value decrease button
=Cup heater button
2. Control panel warning light
=Temperature alarm warning
light boiler temperature not
reached
LSI 024 - Rev. 01 - Ed. 10/2016
=Temperature alarm warning
light boiler temperature high
=
Faulty temperature sensor
warning light
120 = Boiler temperature indication
=
Thermal
regulation
warning light
status
= Machine ON warning light
= Boiler warning light
BOILER
=Technical assistance status
warning light
=
Electronic Ground System
function status warning light
= M.A.T. function status warning
light
=Automatic water level status
warning light
3
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espresso coffee machines
1.2 COFFEE DISPENSING TOUCHPAD
SUPREMA
CLASSIC
1
1
4
6
2
5
3
4
Fig. 3
LEGEND
1.Display
2. 2 long coffees key
3. 2 short coffees key
4. Continuous delivery key
5. 1 long coffee key
6. 1 short coffee key
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espresso coffee machines
2.GENERAL WARNINGS
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Read carefully the instructions and warnings contained in this manual and in the “INSTRUCTION MANUAL FOR THE INSTALLER”,
since they provide important indications concerning the installation of the appliance.
Attention!
This appliance may only be used for its intended purpose.
Any other use is therefore considered as improper and unreasonable.
The manufacturer cannot be held liable for any damage caused by improper, incorrect or unreasonable use.
Attention!
Make sure that the customer has previously installed the systems according to the instructions indicated in the “USE AND
MAINTENANCE MANUAL” provided with the appliance.
Attention!
Make sure that the power rating of the system arranged by the customer corresponds to the highest rating indicated on the
rating plate of the equipment.
Danger!
The appliance is supplied without a plug. It is supposed to be directly connected to the electric mains and therefore, it is
necessary to fit a single-pole switch with contact opening of 3mm or more beforehand, according to the regulations in force.
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espresso coffee machines
Danger!
If it becomes necessary to replace the machine’s power supply cable, utilise only these types: CET ELECTRIC H07RN-F 5 x
2.5mm (400V) for 2/3 group versions, 5 x 4mm (400V) for 4 group versions - CET ELECTRIC SINGLE PHASE 3 x 2.5mm (220V)
2 group versions, 3 x 4mm (220V) for 3/4 group versions. Replacing the cable must be carried out by qualified personnel.
The electrical safety of the appliance is fully achieved only after it has been correctly connected to an earthing system as
required by the laws in force.
Danger!
The appliance must be supplied exclusively with cold drinking water. Maximum mains pressure (static pressure) must not be
higher than 0.6 MPa.
Danger!
If in doubt, concerning the above mentioned requirements (about the system previously installed by the customer), please
have them checked by qualified staff.
Danger!
The electrical safety of the appliance is fully achieved only after it has been correctly connected to an earthing system as
required by the laws in force.
Attention!
Installation must be carried out by qualified personnel according to current laws and to the manufacturer’s instructions.
Incorrect installation may cause damage to people, animals or property for which the manufacturer cannot be held liable.
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espresso coffee machines
Attention!
The appliance must be installed on a flat bearing surface, the stability of which needs to be checked.
Attention!
The appliance must be installed where use and maintenance are restricted to trained staff.
The electrical power system, water supply system and drainage system must prearranged by the customer in an ideal position to permit the correct installation. The installer cannot modify existing systems that have been arranged by the customer.
Refer to the chapter “Pre-installation arrangements organised by the customer” in the “USER AND MAINTENANCE MANUAL”
attached to each machine.
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espresso coffee machines
3. REMOVING THE PACKAGING
After unpacking the machine, please check its integrity; in case of doubt, do not use it and consult the manufacturer.
Packaging materials must not be left within children’s reach since they are potentially dangerous.
Attention!
The appliance weight is more than 30 kg and therefore, it cannot be moved by a single person alone.
Take note!
Dispose of the packaging as per the norms in force of the country in which the machine is used.
3.1 STANDARD OUTFIT OF THE MACHINE
LEGEND
A. 1 set of filter holders with relative spouts
B. 1 complete set of hoses for connection to water mains
C. A set of filters
D. 1 set of shower heads
E. 1 wrench for shower head removal
F. 1 brush
G. 1 motor-driven pump (unless already built in)
H. 1 manual coffee tamper
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espresso coffee machines
3.2 OPTIONAL ACCESSORIES
(Supplied only on request of the customer)
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LEGEND
I. Water softener
L. Water line impurity filter
M. Pressure reducer
N.Detergent
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espresso coffee machines
4. INSTALLATION
Place the machine on the support surface, lifting it up only from underneath.
Adjust the feet so that the machine fits perfectly in a horizontal position and tilting slightly backwards.
Before connecting the machine to the supply systems, ensure that the data on the nameplates correspond with the ratings where the
machine is installed.
4.1 ELECTRIC INSTALLATION DIAGRAM
Legend:
Take note of all warnings and advice in this manual when carrying out
the electrical connection.
Furthermore, the power supply cable must be completely uncoiled to
avoid dangerous overheating.
Check the voltage in the place of installation of the machine and
then connect the power supply cable as shown in the figure below.
The cables of the machine are marked in the following way:
A -Power supply cable of the machine;
B -Motor pump cable (when not incorporated in the machine).
a) Connect cable (A) directly to the single pole switch (1).
b) Connect cable (B) directly to the motor pump (2).
Versions of the machine with the motor pump incorporated do not
have the cable (B).
1 Main switch (prepared
by the customer);
2 Motor pump (if not
built in).
Fig. 4
Attention!
Connect the yellow/green conductor lead of cable (B) to the earth terminal on the motor pump (when the motor pump is not
incorporated in the machine).
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espresso coffee machines
Danger!
The light blue conductor lead
of cable (A) is connected to the
neutral phase of the electrical
system.
Take note!
230 V single-phase connections are only possible with rating plate data refer a power less than 6300 W.
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espresso coffee machines
4.2 WATER MAINS INSTALLATION DIAGRAM
Attention!
The machine is supplied without water in the boiler to avoid exposure to temperatures less than 0°C that could cause irreparable damage.
Legend:
1
2
3
4
5
Water tap (previously installed by the customer).
Motor pump (provided with the machine - when not built in).
Water softener (optional).
Drain siphon (previously installed by the customer).
High-pressure (supplied).
Fig. 5
Carry out the connections as shown in Fig. 5 and taking into account the following instructions:
• Always use the hoses supplied with the machine to make water mains connections; never use any other hose or pipes already fitted.
• Make sure that hoses are not kinked, squashed or twisted.
• Fasten the ring nuts of the hoses firmly but without exerting too much pressure.
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espresso coffee machines
Danger!
INSTALLATION OF THE WATER SOFTENER IS RECOMMENDED TO PROLONG THE LIFE OF THE MACHINE.
Before installing the machine, check the hardness of the water and fit a softener based on the instructions of the manufacturer
and to standards and regulations in force.
Proceed to programme the automatic and/or volumetric softeners according to the manufacturer’s instructions.
Danger!
If a water softener is not a part of the water system, it is necessary to apply a filter to the inlet hose of the motor pump to avoid
the entry of impurities that could damage the motor pump or the machine.
Attention!
The motor pump must be installed at a distance to avoid drips or spurts of water and also to avoid salt from dropping onto the
motor pump when filling the water softener with salt.
Before connecting the hose coming from the motor pump or from the water-softener, in case of appliances with built-in
pumps, place it in a bucket and turn on the water tap (1- Fig. 5) for a couple of minutes in order to eliminate possible residues
from the new hoses and in any case, until the water flows clear.
4.3 DRAINAGE SYSTEM
Assemble the push-fit drainage hose in the appropriate rubber holder of the collection basin of the machine and place the other end of
the hose directly into the drainage u-pipe of the prearranged drainage system.
Check that the hose is not blocked or crushed along its length and it also has a sufficient incline to be able to drain without difficulty.
Danger!
Do not place the drainage hose in basins or buckets underneath the counter to avoid the possibility of creating receptacles of
dirt with the consequent proliferation of bacteria.
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espresso coffee machines
5. ELECTRICAL SWITCH ON OF THE APPLIANCE
1. Move the appliance switch under the bottom panel, to “I”.
Fig. 6
Filling with water:
After 3 seconds from switching on for the first time, the appliance will automatically
fill the boiler with water.
At the end of filling, the filling indicator will
switch off.
Fig. 7
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espresso coffee machines
For coffee preparation instructions, or for pouring hot water or dispensing steam for
hot beverages, see the USE AND MAINTENANCE MANUAL.
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6. PROGRAMMING
The programming menu can be used to programme the boiler temperature, coffee
doses, hot water pouring and the temperature of the M.A.T. system (optional).
Press and hold down the “P” key for 3 seconds, the boiler temperature and the key for
continued pouring from the 1st group on the right will flash to show that the programming stage has commenced.
Fig. 8
6.1 PROGRAMMING THE BOILER TEMPERATURE
Press the “+” key to increase the boiler temperature.
Press the “-” key to reduce the boiler temperature.
Temperature range 105-125°C.
6.2 PROGRAMMING DOSES
Hook the portafilter with coffee in the 1st group on the right and press the key for 1
short coffee to begin pouring.
Once the cup contains the right amount of coffee, press the 1 short coffee key to finish pouring and to store this amount for all groups.
Repeat this process for the other three coffee doses.
To programme the 2nd - 3rd - 4th group to be different from the others, press the continued delivery key for the required group and follow the procedure illustrated above.
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espresso coffee machines
6.3 PROGRAMMING HOT WATER
Press the “hot water delivery” key to commence delivery of the water. The main display will show the pouring time.
Once the required amount of water is in the jug, press the same key to stop the ongoing delivery and save it to memory.
6.3.1Hot water mix adjustment
As well as the possibility to programme the amount of hot water poured from the
wand, it is possible to adjust the temperature of the water using a flow regulator that
mixes cold water with the hot water from the tank.
To adjust the water temperature, use a screwdriver on the screw alongside the water
nozzle.
Turn the screw anticlockwise to increase the amount of cold water and as a result, to
lower the temperature of the water being poured.
Turn the screw clockwise to reduce the amount of cold water and as a result, to increase the temperature of the water being poured.
Fig. 9
6.4 PROGRAMMING THE M.A.T. SYSTEM TEMPERATURE
Press the M.A.T. steam dispensing key and the display will show the temperature set
by the M.A.T. probe; press “+” to increase it or “-” to reduce it.
Temperature range from 45 to 85°C.
To quit the programming stage, press “P”.
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6.5 PROGRAMMING ACCESS BLOCK
40
To quit programming, press and hold down the “cup warmer” for 5 seconds; in this
mode it is possible to enable the PROGRAMMING ACCESS BLOCK function.
With this function enabled, enter the programming mode with the “P” code then immediately press the “cupwarmer” key and hold it down for 5 seconds to enter the
programming menu.
Otherwise the display will read “bc” for 2 seconds and then the machine will return to
the working mode.
6.6 TECHNICAL MENU
The technical menu can be used to enable or disable the E.G.S. (Electronic Ground
System) and calibrate the temperature probe.
6.7 E.G.S.
This function, which is enabled by default, makes it possible to keep the used coffee
pod moist inside the portafilter in the case it is not used for over 30 minutes.
To disable this function open the technical menu:
Press and hold down the “+” and “-” together for 15 seconds; the E.G.S. light is on.
Press the “cupwarmer” key to disable the E.G.S. function and the light will switch
off. To reactivate the function, press the “cupwarmer” button and the relevant light
will switch on.
To exit the technical menu, press and hold down the “+” and “-” keys together for 3
seconds.
Fig. 10
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espresso coffee machines
6.8 TEMPERATURE PROBE CALIBRATION
Once inside the technical menu, the boiler temperature will automatically set to 120°C.
It is possible to check the condition of the electrical heating element via the “°C”
symbol; if it is fixed, the heating element is off and if it is flashing, it is operating and
the machine is heating.
Press the “+” and “-” keys to calibrate the temperature probe.
Each time that the “-” key is pressed, the temperature probe setting changes by
0.5°C, and the main display will read: -05, -10, -15, -20 etc..
Each time that the “+” key is pressed, the temperature probe setting changes by
0.5°C, and the main display will read: 05, 10, 15, 20 etc..
To exit the technical menu, press and hold down the “+” and “-” keys together for 3
seconds.
Fig. 11
Take note!
The calibration of the temperature probe is performed in the factory during testing of the appliance.
Carry out this operation when the temperature probe and/or electronic control
unit is replaced.
6.9 COUNTER MENU
With the machine switched on, press and hold down the “cupwarmer” key for 15
seconds, starting from the 1st group on the right, the display shows the total number
of coffees poured by the machine.
It only counts deliveries above 7 seconds.
For example, the image alongside has poured 22225 cups of coffee.
Fig. 12
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espresso coffee machines
6.10 WASHING THE BOILER
40
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 delivery 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.
LSI 024 - Rev. 01 - Ed. 10/2016
Fig. 13
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espresso coffee machines
7 TECHNICAL ASSISTANCE PROGRAM – G.A. - (optional)
The scheduled technical assistance program makes it possible to keep some appliance parameters under control, making it possible to
set a minimum threshold after which an alarm signal is given.
The program makes it possible to organise regular routine maintenance for the delivery groups (enabling the SERVICE menu) and/or the
replacement of the filter cartridge or resin regeneration for the softener (enabling the FILTER menu).
Take note!
To enable these controls it is necessary to have the technical assistance display (Fig. 14).
Fig. 14
Once the display has been connected to the machine, all of the group displays will
read “AT” and the technical assistance display will show the display software version.
After the above cycle, the display will read:
Fig. 15
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espresso coffee machines
To indicate that the technical assistance is deactivated.
To enable one or both available controls, proceed as follows: hold down the button
40
for about 3 seconds, this opens the SERVICE menu and the display will read:
Fig. 16
Where “Y” (Yes) will be flashing. To select “N” (No) press one of the 2 arrow keys
, “N” will start to flash. If you press the button
the control of delivery
cycles will remain deactivated, passing directly to the softener FILTER settings.
, you enable the control and move
If you confirm with “Y”, pressing the button
to the setting of the number of solenoid valve insertion cycles, a number which decreases at every delivery operation. The display now shows:
Where the first “0” on the right is flashing; when the button
Fig. 17
pressed, this in-
moves onto the most imcreases the number (0 - 9), while pressing the button
portant digit on the left (the selected digit flashes to indicate that it can be changed).
Once the required delivery cycle value has been set, confirm the setting by pressing
the button
.
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espresso coffee machines
Take note!
The set number is not a count of the number of cups of coffee delivered by the appliance, it is just a control over the solenoid
valve insertion cycles for the groups and therefore, for example, 100 solenoid valve cycles do not correspond to 100 delivered
cups of coffee.
Confirming the setting makes it possible to enter a minimum number of cycles which,
when reached, will cause the appliance to display an alarm on the control panel by
switching on the relevant control light (b). The display will read:
Fig. 18
Where the first “0” on the right is flashing. When the button
is pressed, this increases the number (0 -9), while pressing the button
moves onto the most important digit on the left (the selected digit flashes to indicate that it can be changed).
Once the delivery cycle alarm value has been set, confirm the setting by pressing the button
.
Take note!
The number cannot be greater than or equal to the maximum number of solenoid valve cycles set previously.
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espresso coffee machines
After confirming the setting, the program passes onto the settings for the softener
FILTER menu.
The display will show:
40
Fig. 19
Where “Y” (Yes) will be flashing. To select “N” (No) press one of the 2 arrow keys
, “N” will start to flash. If you press the button
the control of the softener filter remains deactivated, quitting the programming function and returning to
the initial screen.
, enables the control and allows the
If you confirm with “Y”, pressing the button
setting of the number of softener litres, after which it is necessary to replace the filter.
The number decreases at every delivery operation. The display must read:
Where the first “0” on the right is flashing. When the button
Fig. 20
is pressed, this in-
moves onto the most imcreases the number (0 - 9), while pressing the button
portant digit on the left (the selected digit flashes to indicate that it can be changed).
. At
Once the litre value has been set, confirm the setting by pressing the button
this point it is possible to enter a minimum number of litres, after which the appliance
will display an alarm on the control panel (6) by switching on the relevant control light.
The display will read:
LSI 024 - Rev. 01 - Ed. 10/2016
Fig. 21
23
40
Where the first “0” on the right is flashing. Pressing the button
espresso coffee machines
will increase the
moves to the most important digit on
number (0 - 9), while pressing the button
the left (the selected digit will flash to show that it can be changed). Once the litres
value has been set, confirm the setting by pressing the button
to quit the programming function.
, and it is possible
Take note!
The number cannot be greater than or equal to the maximum number of solenoid valve cycles set previously.
With the controls enabled and the display connected, the display will show the remaining number of cycles before it is necessary to proceed with maintenance.
Fig. 22
Or the number of litres remaining before the softener FILTER cartridge needs to be
replaced:
Fig. 23
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espresso coffee machines
Take note!
The visualization is alternatively shown on the display only if both controls have
been enabled, otherwise, only the enabled control is displayed.
The number of cycles is decreased after every 50 solenoid valve activations.
The number of litres for the filter is reduced after every 10 litres of water consumed.
Fig. 24
Setting the softener filter parameters.
To access the menu to set softener filter parameters, press and hold down all three
for 3 seconds.
keys
The display will read:
Fig. 25
Where “0.54 ml” is the correspondence between a flow meter pulse and the amount
of water delivered by the group given in millilitres. Pressing the buttons
creases or increases the setting (0.30 ml – 0.90 ml).
Pressing the button
de-
confirms the setting and the display will read:
Fig. 26
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espresso coffee machines
Where “1750 ml” is the correspondence between 1 minute of operation of the automatic boiler refill system and the amount of water
introduced, given in millilitres. Pressing the buttons
Pressing the button
26
increases/decreases the setting (1000 ml – 2000 ml).
confirms the setting and returns to the initial display menu.
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espresso coffee machines
7.1 SERIES S40 ALARMS MANAGER
This series of symbols informs of any machine operation anomalies. In case of machine lock alarm, the main display and the delivery
group displays show the only central lines switched on.
SYMBOL
ALARM TYPE
POSSIBLE SOLUTION
Volumetric system failure.
Grinding too fine.
Check grinding fineness.
No pulse detected from the Check the machine’s volumetvolumetric counter for the dis- ric system.
pensing group.
Automatic levelling system
failure.
Automatic boiler filling is still Check the machine’s automatic
enabled for 3 more minutes (8 levelling system.
minutes to first switch on). TOTAL GRIND BLOCK.
High boiler temperature.
When the temperature detect- Check the machine’s heat regued by the probe is above 135°C lation system.
(total machine lock).
Boiler temperature
not reached.
When the temperature detect- Check the machine’s heat regued by the probe, 20 minutes af- lation system.
ter switching on, is below 60°C
(total machine lock).
Boiler temperature probe
failure.
Temperature probe short circuit Check the machine’s heat reguor interruption (total machine lation system.
lock).
Selected button LED flashing:
LSI 024 - Rev. 01 - Ed. 10/2016
PROBLEM
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espresso coffee machines
SYMBOL
ALARM TYPE
M.A.T. system
probe failure.
PROBLEM
POSSIBLE SOLUTION
temperature M.A.T. temperature probe short Check the machine’s M.A.T.
circuit or interrupted.
system.
Take note!
When this alarm is triggered,
it is in any case possible to
automatically emulsify the
milk by holding down the
M.A.T. delivery button, until
the required temperature is
reached. Releasing the button will interrupt delivery.
TECHNICAL ASSISTANCE ACCESS SYMBOL on and FIXED (only if the SERVICE manager is enabled from the technical assistance):
When the preloaded number of solenoid intervention cycles reaches the set alarm threshold.
TECHNICAL ASSISTANCE ACCESS SYMBOL on and FLASHING (only if the FILTER manager is enabled from the technical assistance):
When the preloaded number of softener intervention cycles reaches the set alarm threshold.
PROGRAMMING ACCESS BLOCKED.
The main display reads “bc”.
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espresso coffee machines
7.2 NOTES FOR THE SERVICE ENGINEER
40
SETTING THE ELECTRONIC CONTROL BOARD
The electronic control board can be set to manage two different water level controls (probe or float) and to control the two different group
delivery versions: automatic (Suprema) or semiautomatic (Classic).
The electronic control board is equipped with a selector to configure the board.
WATER LEVEL CHECK
Based on the type of boiler water level control, it is necessary to set the electronic board as follows:
• Move the selector to “S” if the PROBE water level control is used (conduction probe).
• Move the selector to “R” if the FLOAT water level control is used (magnetic reed).
GROUP DELIVERY CONTROL
Based on the type of group delivery control, it is necessary to set the electronic board as follows:
• Move the selector to “EK” if the 5-key button pad with programmable doses (Suprema automatic version) is used.
• Move the selector to “EP” if the 1-key button pad (Classic semiautomatic version) is used.
Take note!
These settings are factory set during inspection.
Only after replacing the electronic board, make sure that the new board has been set to work with the water level and type of
delivery control used on the appliance.
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espresso coffee machines
7.3 ELECTRONIC EXPANSION BOARD
When replacing the electronic expansion boars, always make sure that the MC1 contact is open before switching on the machine.
With the machine in standard configuration, the dip 2 of KD1 must be set to OFF.
When the machine is suitable to operate with the M.A.T. system (optional) the dip 2 of KD1 must be set to ON.
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espresso coffee machines
7.3.1 Check/Calibration of pump motor pressure
Below are the operations to be performed when checking and/or calibrating the pressure of the pump motor inside the machine.
1
2
1. Remove the drip tray and grating.
1
Fig. 27
2. Remove the 2 bottom protective caps and the 2 Allen screws that fasten the bottom drain cover and then remove the drain cover and remove it.
Fig. 28
3. The pump motor is visible on the right side. Adjust the pressure using the adjustment screw (A) on the pump motor, after loosening the support nut (B).
To increase the pressure, turn the screw clockwise (A); to reduce the pressure,
turn it anticlockwise then tighten the support nut (B).
4. Refit the previously removed parts, following the order in reverse.
Fig. 29
LSI 024 - Rev. 01 - Ed. 10/2016
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espresso coffee machines
7.3.2 Checking/Calibrating the opening pressure
for the expansion valve
The following section lists the checks/calibration operations needed for the expansion valve.
With the machine on and at the right temperature, press the delivery buttons of all
groups and after about 5 seconds, connect a portafilter with incorporated pressure
gauge to one of the groups and switch off the delivery of the other groups.
Wait for the water to come out of the portafilter and then tighten it perfectly to the
delivery group.
The pressure gauge on the portafilter will first of all show the pressure of the pump
motor.
The pressure will them increase until it stabilises and the pressure gauge will show the
opening pressure of the expansion valve.
When the expansion valve opens, a series of drops of cold water will come out of the
valve.
To change the opening pressure for the expansion valve, proceed as follows:
1. Remove the drip tray and grating.
1
2
1
Fig. 30
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espresso coffee machines
2. Remove the 2 bottom protective caps and the 2 Allen screws that fasten the bottom drain cover and then remove the drain cover and remove it.
40
Fig. 31
3. Remove the plate covering the system by loosening the two fastening screws.
Fig. 32
To increase the expansion pressure, turn the expansion valve adjustment device anticlockwise.
To reduce the expansion pressure, turn the expansion valve adjustment device clockwise.
Fig. 33
LSI 024 - Rev. 01 - Ed. 10/2016
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espresso coffee machines
8 DISASSEMBLY OF THE MACHINE
8.1 DISASSEMBLY OF THE SIDE PANELS
1. Remove the glass side panels by lifting them as shown in the figure.
Fig. 34
2. Using a screwdriver, slacken the upper fixing screws of the side panels as shown
in the figure.
Fig. 35
3. Slide the side panels towards the rear of the machine until they stop.
Fig. 36
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espresso coffee machines
4. Pull the side panel away from the machine and remove it as shown in the figure.
40
Fig. 37
5. Proceed in the same way for the other side panel.
6. Reposition the elements previously removed in reverse order.
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espresso coffee machines
8.2 DISASSEMBLY OF THE UPPER FRONT PANEL
1. Remove the side glass panels by lifting them as shown in the figure.
Fig. 38
2. Unscrew and remove the steam dispensation control lever knobs as shown in the
figure.
Fig. 39
3. Using a screwdriver, slacken the upper fixing screw of the front panel as shown in
the figure.
Fig. 40
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espresso coffee machines
3. Using a screwdriver, slacken the lower fixing screw of the front panel as shown in
the figure.
40
Fig. 41
4. Slide the front panel forwards until it stops.
Fig. 42
5. Rotate the front panel as shown in the figure.
6. Reposition the elements previously removed in reverse order.
Fig. 43
LSI 024 - Rev. 01 - Ed. 10/2016
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espresso coffee machines
8.2.1 Disassembly of the control panel
1. Proceed to disassemble the upper front panel as previously described
2. Using a screwdriver slacken the fixing screws of the control panel as shown in the
figure and disconnect the cables between the panel and the front CPU.
Fig. 44
3. Press the two fixing brackets of the control panel as shown in the figure.
Fig. 45
4. Extract the control panel upwards as shown in the figure.
5. Reposition the elements previously removed in reverse order.
Fig. 46
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espresso coffee machines
8.3 DISASSEMBLY OF THE DRAINAGE COVER PANEL
40
1. Remove the water collection basin and the relative grill.
Fig. 47
2. Remove the 2 lower protection caps and the 2 Allen screws relative to the fixing of
the lower drainage cover panel and remove it.
Fig. 48
4. Remove the 2 protection caps and the 2 Allen screws relative to the fixing of the
upper drainage cover panel.
Remove the drainage cover panel by rotating the lower part forwards and simultaneously move it downwards.
Slide out the front of the machine as shown in the figure.
5. Reposition the elements previously removed in reverse order.
Fig. 49
LSI 024 - Rev. 01 - Ed. 10/2016
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espresso coffee machines
8.3.1 Disassembly of the coffee dispensing group
1. Remove the filter holders from the machine.
Fig. 50
2. Using a screwdriver, rotate the two screws a quarter of a turn that are positioned
to the side of the coffee dispensing group cover.
Fig. 51
3. Remove the coffee dispensing group cover by sliding it downwards.
Fig. 52
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espresso coffee machines
4. Using a screwdriver, remove the 4 screws at the side of the coffee dispensing
group.
40
Fig. 53
5. Disconnect the cables and pull the coffee dispensing group downwards.
Fig. 54
6. Reposition the elements previously removed in reverse order.
LSI 024 - Rev. 01 - Ed. 10/2016
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espresso coffee machines
8.4 DISASSEMBLY OF THE UPPER COVER
1. Remove the glass side panels by lifting them as shown in the figure.
Fig. 65
2. Remove the grills of the cup warmer plate by lifting them as shown in the figure.
Fig. 66
3. Using a screwdriver, remove the fixing screws of the front plate of the cup warmer
plate as shown in the figure.
Fig. 67
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espresso coffee machines
4. Remove the front plate of the cup warmer plate as shown in the figure.
40
Fig. 68
5. Using the rear part as the fulcrum, pull up the rear plates of the cup warmer plate
and remove them as shown in the figure.
Fig. 69
6. Using a screwdriver, remove the fixing screws of the upper panel as shown in the
figure.
Fig. 70
LSI 024 - Rev. 01 - Ed. 10/2016
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espresso coffee machines
7. Remove the upper cover as shown in the figure.
Fig. 71
8. Reposition the elements previously removed in reverse order.
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espresso coffee machines
DIAGRAMS
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espresso coffee machines
9. DIAGRAMS FOR ELECTRONIC BOARD CONNECTIONS
9.1 EXPANSION BOARD
Key:
SMAT M.A.T. system temperature probe
(optional).
P5 M.A.T. system button connection
(optional).
46
COUNTER
EV MAT
Display connection for 1st
group from the right.
connection for M.A.T. solenoid valve (optional).
EV AIR MAT connection for AIR M.A.T.
solenoid valve (optional).
SER2
Serial RS232.
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espresso coffee machines
9.2 CLASSIC/ SUPREMA CPU
LSI 024 - Rev. 01 - Ed. 10/2016
40
47
40
Key:
MP
Connection for pump motor.
RS
Connection for static relay.
PHASE NEUTRAL 10 V Transformer outlet connection.
K1 K2 Connection for static relays.
SL
Level probe connection.
ST
Boiler temperature probe connection.
SW
DIP Configuration of the electronic board for machine in
semiautomatic (Classic) or automatic (Suprema) version.
SWL Electronic board configuration to manage the level of the
water in the boiler using probe (S) or float (R).
P1
Button pad to deliver coffee from 1st group from the right.
P2
Button pad to deliver coffee from 2nd group from the
right.
P3
Button pad to deliver coffee from 3rd group from the right.
P4
Button pad to deliver coffee from 4th group from the right.
F1
Volumetric counter for 1st group from the right.
F2
Volumetric counter for 2nd group from the right.
48
espresso coffee machines
F3
F4
PP
SER1
Ev1
Volumetric counter for 3rd group from the right.
Volumetric counter for 4th group from the right.
Connection for programming button pad.
Connection for front LED display.
Connection for solenoid valve of 1st coffee delivery group
from the right.
Ev2
Connection for solenoid valve of 2nd coffee delivery
group from the right.
Ev3
Connection for solenoid valve of 3rd coffee delivery group
from the right.
Ev4
Connection for solenoid valve of 4th coffee delivery group
from the right.
EVAL Connection for automatic level solenoid valve.
EVH Connection for hot water delivery solenoid valve.
SER4 Connection for expansion board.
PSH Connection for hot water delivery pushbutton.
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espresso coffee machines
9.3 FRONT LED DISPLAY
Key:
M
Connection for LED and programming button pad for the control
panel.
LSI 024 - Rev. 01 - Ed. 10/2016
SER1
Connection for Classic/Suprema
CPU.
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espresso coffee machines
9.4 GROUP LED DISPLAY
Key:
COUNTER IN
50
Expansion control board
connection.
COUNTER OUT Group display connection.
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espresso coffee machines
9.5 WIRING DIAGRAM
LSI 024 - Rev. 01 - Ed. 10/2016
40
51
40
Key:
MP
Motor pump.
RS
Cup warmer heating element.
HE
Boiler heating element.
EVAL Automatic water filling solenoid valve.
EV1
Solenoid valve for 1st group from the right.
EV2
Solenoid valve for 2nd group from the right.
EV3
Solenoid valve for 3rd group from the right.
EV4
Solenoid valve for 4th group from the right.
EVH Timed water solenoid valve.
PSH Timed water key.
PP
Programming button pad.
P1
Button pad for 1st group from the right.
P2
Button pad for 2nd group from the right.
P3
Button pad for 3rd group from the right.
P4
Button pad for 4th group from the right.
ST1
Boiler temperature probe.
F1
Volumetric counter for 1st group from the right.
F2
Volumetric counter for 2nd group from the right.
F3
Volumetric counter for 3rd group from the right.
F4
Volumetric counter for 4th group from the right.
CAP Filter.
TR
Board transformer.
MS
Main breaker.
K1&K2 Static relays.
C
Contactor.
SL
Boiler water level check using probe.
REED Boiler water level check using float.
ST
Safety thermostat with manual reset.
CRS Cup warmer heating element control board relay.
52
espresso coffee machines
CMP
C1
Motor pump control board relay.
Solenoid valve control board relay for 1st group from the
right.
C2
Solenoid valve control board relay for 2nd group from the
right.
C3
Solenoid valve control board relay for 3rd group from the
right.
C4
Solenoid valve control board relay for 4th group from the
right.
CAL Control board relay for automatic water level solenoid
valve.
CH
Control board relay for timed water level solenoid valve.
SER1 Main display connection.
PMAT Key - M.A.T.
ST2
Probe - M.A.T.
EVMATSolenoid valve - M.A.T.
CMAT M.A.T. solenoid valve control relay.
EV AIR MAT
AIR M.A.T. solenoid valve.
AIR MAT
AIR M.A.T. solenoid valve control relay.
SER2 Technical assistance display connection - G.A. -CRONOCOUNTER.
SER4 Expansion control unit connection.
SER 3 Group display connection.
SER 232
RS232 serial connector.
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espresso coffee machines
9.6 HYDRAULIC DIAGRAM
LSI 024 - Rev. 01 - Ed. 10/2016
40
53
Key:
R
RP
A
F
P
G1
NV
VE
F1
F2
F3
F4
DB
HE1
HE2
HE3
54
40
Water cock (put in place by end customer).
Pressure reducer (optional).
Softener (optional).
Impurity filter (optional).
Motorised pump.
Water mains and motorised pump pressure gauge.
Check valve.
Expansion valve.
Volumetric counter for 1st group from the right.
Volumetric counter for 2nd group from the right.
Volumetric counter for 3rd group from the right.
Volumetric counter for 4th group from the right.
Drainage tray.
Heat exchanger 1st group from the right.
Heat exchanger 2nd group from the right.
Heat exchanger 3rd group from the right.
espresso coffee machines
HE4
EV1
EV2
EV3
EV4
WT1
WT2
FR
EVL
LG
AV
G2
ST1
ST2
STL
H2O
Heat exchanger 4th group from the right.
Coffee delivery solenoid for 1st group from the right.
Coffee delivery solenoid for 2nd group from the right.
Coffee delivery solenoid for 3rd group from the right.
Coffee delivery solenoid for 4th group from the right.
Cold water solenoid valve.
Cold water solenoid valve.
Cold water flow regulator.
Automatic level solenoid valve.
Sight glass.
Anti-vacuum valve.
Boiler pressure gauge.
LH steam cock.
RH steam cock.
Automatic level solenoid cock.
Hot water wand.
LSI 024 - Rev. 01 - Ed. 10/2016
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espresso coffee machines
All LA SPAZIALE espresso machines are made with a heat exchanger system between the boiler and the coffee delivery group.
A special patented system, the only one in the world, for heat adjustment of the delivery group, based on the circulation of steam instead
of water.
http://www.laspaziale.com/index.php/it/video
LSI 024 - Rev. 01 - Ed. 10/2016
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espresso coffee machines
10 TECHNICAL DATA
Fig. 72
DIMENSIONS AND WEIGHT
POWER SUPPLY RATING AND ABSORPTION
2 GR
3 GR
4 GR
S40
L
850
1080
1320
VOLT
H
600
600
600
P
560
560
560
WEIGHT KG
85
100
115
S40
56
2 GR
3 GR
4 GR
220/240/400
220/240/400
220/240/400
Hz
50/60
50/60
50/60
W
3800
5100
6300
LSI 024 - Rev. 01 - Ed. 10/2016
espresso coffee machines
LSI 024 - Rev. 01 - Ed. 10/2016
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espresso coffee machines
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espresso coffee machines
La Spaziale S.p.A.
Via E. Duse, 8
40033 Casalecchio di Reno
Bologna - (Italy)
✆ +39 051 611.10.11
+39 051 611.10.11
 +39 051 611.10.40
 info@laspaziale.com