mastro SOFIA Series EFA0003 User manual
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EFA0003 EFA0004 EFA0006
Summary
Introduction
Identification of the machine
1. General information
2. Description of the machine
2.1. Functional specifications
2.2. Machine equipment
2.3. Mechanical protection
2.4. Electrical protection
2.5. Aerial noise
2.6. Vibrations
3. Technical information
3.1. Size and weight
4. Conditions to avoid
5. Transport
5.1. Packaging
5.2. Checking on delivery
6. Installation
6.1. Preparing for installation
6.1.1. Water supply
6.1.2. Electrical power supply
6.2. Preliminary operations
6.3. Positioning
7. Putting into use
7.1. Commands
7.2. Control instruments
7.3. Starting the machine
8. Use
8.1. Making espresso
8.2. Making cappuccino
8.3. Heating up drinks
8.4. Making herbal teas
9. Adjustment and calibration
9.1. Semiautomatic models
9.2. Automatic models
10. Maintenance
10.1. Daily
10.2. Weekly
10.3. Periodic
10.3.1. Changing the water
10.3.2. Regenerating the water
softener
11. Putting out of use
12. Troubleshooting
1. GENERAL INFORMATION
• The packaging components (bags, polystyrene, card staples etc). must not be left
within reach of children since they could be a source of danger.
• Before plugging in the machine make sure that the voltage shown on the
identification plate and on the power supply correspond. The use of adapters,
multiple sockets and/or extension leads is forbidden.
• In case of doubt have the electrical power supply system checked by qualified
personnel to ensure that it meets the requisites of current legislation, including:
o Earthing
o Cross-section of conducting wire sufficient for the power absorbed
o Efficient circuit-breaking device
• Place the machine on a water-repellent counter (laminate, steel, ceramic, etc.) far
from sources of heat (oven, burners, fireplace etc) in a room where the temperature
does not fall below 5°C.
• Do not expose the machine to bad weather or place it in a room or environment with
a high level of humidity, etc.
• Do not obstruct the air intake or outlet grills, specifically do not cover the cup
warming counter with cloths or anything else.
• The machine, in its packaging, should be stored in a place protected from bad
weather, dry and free of humidity. The temperature should be above 5°C. A
maximum of three boxes of the same type may be piled on top of one another. Avoid
placing other heavy boxes on top of the container.
• In case of an emergency, such as the start of a fire, unusual noise or over heating etc,
unplug from the electrical power supply, close the water intake tube and, where
foreseen, the gas tap.
• Only use accessories and spare parts authorised by the manufacturer; this will ensure
proper functioning and prevent problems arising.
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2. DESCRIPTION OF THE
MACHINE
The Sofia range of coffee machines is available in the version fitted with electronically
controlled brew groups, where the amount of coffee in the cup can be programmed; and in
the continual flow version (button).
The thermo-stabilised brew group ensures optimum use of the best of the coffee; the optimal
level of water in the boiler is replenished by means of an electronic device. The water and
steam are dispensed through 3 multi-directional high performance steam-tubes (version with
2 steam tubes available on request) to enable the preparation of cappuccinos and other hot
drinks.
These technical solutions make it possible to eliminate any wastage of energy and protect the
machine from harmful thermal shocks.
The water, taken directly from the mains water supply, is pressurised using a maintenance
free positive displacement pump, while it is heated by means of conductive heat exchange in
the boiler.
By using the commands for the purpose situated on the front of the machine the perfectly
heated and pressurised water is delivered to the brew units.
The load bearing structure of the machine is made in steel and the mechanical and electrical
components are attached to it.
The casing of the machine is in stainless steel and Baiedur, which give it the necessary
protection as well as a unique design.
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2.1 Functional specifications and composition of the machine
The entire Sofia range is available in the following versions:
Push button semi-automatic functioning:
• With steam nozzle and hot water nozzle (Fig.1)
• With double steam nozzle and hot water tube (Fig.2)
• With (Fig.2) or without (Fig. 2) boiler water level indicator
Programmable automatic dosing:
• With (Fig.4) or without (Fig.3) visual display of machine functions.
• With steam nozzle and hot water nozzle (Fig.3 and Fig.4)
• With double steam nozzle and hot water tube (Fig.5).
• With (Fig.5) or without (Fig.3 and Fig.4) boiler water level indicator
FIG:3
FIG:2
FIG:1
FIG:5 FIG:4
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2.2 Machine equipment
GROUP GROUPS GROUPS
Filter holder 1 cup N°1 N°1 N°1
Filter holder 2 cups N°1 N°2 N°3
Filters 1 cup N°2 N°2 N°2
Filters 2 cups N°2 N°3 N°4
Blind filter N°1 N°1 N°1
Incoming pipe 1.7
m N°1 N°1 N°1
Outgoing pipe 1.5
m N°1 N°1 N°1
Instruction booklet N°1 N°1 N°1
Electrical diagrams N°1 N°1 N°1
2.3 Mechanical protection
• Full protective coating of the parts subjected to heat and of the hot water and steam
generator
• Work top with drip plate and tray for collecting liquids
• Expansion valve on the water pipes and protection valve against high pressure in the
boiler
• Non-return valve in the water pipes to prevent backflows to the water supply
2.4 Electrical protection
• Low voltage keyboard commands
• Thermal protection of the pump motor
• Thermal protection of the resistances
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EFA0003 EFA0004 EFA0006
2.5 Aerial noise
In the workplace the noise level of 70Db (A) is not usually exceeded.
2.6 Vibrations
Th machines are fitted with anti-vibration rubber feet. In normal conditions of use
vibrations which might be harmful to the operator or the environment are not
generated.
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3. TECHNICAL INFORMATION
3.1 Size and weight
SIZE AND
WEIGHT GROUP GROUPS GROUPS
Length [mm] 520 700 950
Depth [mm] 540 540 540
Height [mm] 500 500 500
Weight 44 70 80
Boiler capacity [Lt] 5 11.5 18
PACKAGING
Volume [cm3] 283 340 434
Measurements
LxDxH [mm] 620x700x650 620x830x660 620x1060x660
Gross weight [Kg] 48 74 90
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EFA0003 EFA0004 EFA0006
4. CONDITIONS TO AVOID
The machines in the Sofia range have been designed and built for the preparation of espresso
coffee and other hot drinks. Any other use is deemed improper and hazardous.
The manufacturer declines any responsibility for damage to persons or things
resulting from improper, incorrect or unsuitable use of the machine.
The user must follow the instructions for use and maintenance given in this manual at all
times. In case of doubt or of anomalous functioning, turn off the machine, refrain from
making any repairs or intervening directly and contact the service centre.
The user must not:
• Touch the hot parts or dispensing parts of the machine
• Rest containers of liquid on the machine
• Perform repairs or move the machine with the power supply attached or while the
machine is hot
• Wash the machine with direct jets of water or under pressure
• Partially or totally immerse the machine in water
• Use the machine if the electric power cable appears to be damaged
• Touch the machine with wet or damp hands or feet
• Use the machine when there are children in the immediate vicinity
• Allow unqualified persons or children to use the machine
• Obstruct the air intake and heat outlet grills with cloths or anything else
• Use the machine if it is wet or damp in the non-dispensing areas
These machines are destined for exclusive use for food products so that the use of liquids
and/or materials of other types which could be harmful and/or pollute the brew units is
forbidden.
The manufacturer declines any responsibility for damage to persons or
things resulting from improper, incorrect or unsuitable use of the machine
by non- qualified personnel.
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5. TRANSPORT
5.1 Packaging
The machine is supplied in a single, cardboard box with internal protection in polystyrene.
The conventional symbols to observe during transport or storage of the box are shown on
the outside.
Always move with the box in a vertical position, do no t overturn or lay on its side,
proceed with caution, avoiding collisions and protecting from bad weather.
5.2 Checking on delivery
At the moment of delivery check that the machine you have received corresponds to the one
described in the accompanying documentation, including any accessories.
Check that it has not been damaged during transport and if this should have occurred
promptly inform the forwarding agent and our customer service department.
The packaging components should not be left within reach of children since they
could constitute a source of danger,
Do not abandon the packaging components in the environment but dispose of them
by consigning them to the bodies authorised to perform such activities.
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This manual suits for next models
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