La Marzocco Strada AV User manual
manual
strada av
The Strada AV is characterized by its underlying mechanical features
and design of the Strada. The initials “AV” refer to a feature whereby
brewing is activated by a three button keypad where the doses
are counted by a owmeter for each group. This model includes
proportional steam valves, both featuring anti-resuction valves.
strada av
Operating Manual V2.0 - 12/2016
MAN.16.1.02
EN
certications aailable
a arocco .r.l.
ia a Torre
ocalit a Torre
carperia e an iero
(Firenze) - ITALIA
www.lamarocco.com
infolamarocco.com
T
Chapters
1. eneral arnings and afety pecications
. enition of ailable odels
. nstallation
. achine peration and offee reparation
. ispensing team and ot ater
. aintenance and eriodic leaning perations
. ecommissioning and emolition
. andatory aintenance and hecup perations
. recision cale
. oftware rogramming uide
page 3
page 7
page 10
page 17
page 20
page 21
page 23
page 24
page 25
page 28
EN
3
The weighted sound
pressure leel of the
machine is lower than
d.
Use, cleaning and
maintenance of this coffee
machine are realized
by people including
children more than
years of age with reduced
physical sensory or mental
capabilities or lac of
eperience and nowledge
as long as they hae
been gien superision or
instructions concerning
the use of the appliance
by a person responsible
for their safety and if they
understand dangers.
hildren should be
superised to ensure that
they do not play with the
appliance.
Keep the appliance and
its cord out of the reach of
children less than 8 years
of age.
2) This operating manual
is an integral and essential
part of the product and
WARNING
the machine.
WARNING
WARNING
EN
4
must be supplied to users.
sers are ased to read
the enclosed warnings and
cautions carefully as they
proide aluable information
concerning safety during
installation operation and
maintenance. This manual
must be ept in a safe
place and be aailable for
consultation to new and
eperienced users alie.
3) nsure products integrity
by inspecting the pacaging
maing sure it presents no
signs of damage which might
hae affected the enclosed
machine.
4) hec the machines
integrity after haing carefully
remoed the pacaging.
5) acaging boes plastic
bags foam parts and whateer
else must not be left around
within easy reach of children
due to the potential danger it
represents nor be discarded
in the enironment.
6) hec to see that data on
the rating plate corresponds
to those of the main electrical
supply which the machine will
be hooed up to.
7) The euipment must be
installed to comply with the
applicable federal state or
local electrical and plumbing
codes. The installation
also must comply to the
manufacturers instructions
and must be performed by
ualied and authoried
personnel.
ncorrect installation may
cause for inurydamages to
people animals or obects for
which the manufacturer shall
not be held responsible.
9) afe electrical operation of
this deice will be achieed
only when the connection to
the power outlet has been
completed correctly and
in obserance of all local
national and international
electrical codes and safety
regulations and particularly
by grounding the unit.
ae sure grounding has
EN
5
been done properly as it
represents a fundamental
safety reuirement. nsure
ualied personnel chec
such connection.
urthermore you must
ensure that the capacity of
the aailable electrical system
is suitable for the maimum
power consumption indicated
on the espresso machine.
11) e do not recommend
using adapters multiple
plugs andor etension cords.
f you cannot aoid using
them mae sure that they are
eclusiely of the ind which
conforms to local national
and international electrical
codes and safety regulations
being careful not to eceed
the power and current ratings
indicated on such adapters
and etension cords.
12) This deice must be used
eclusiely for the functions it
has been designed and built
for. ny other application is
inappropriate and dangerous.
This machine should not be
installed in itchens.
13) Using any electrical
deice reuires that certain
fundamental rules be
obsered. n particular
do not touch the deice
with wet or humid hands
and feet;
do not use the deice while
haing no shoes on your
feet;
do not use etension cords
in bath or shower rooms
do not unplug the deice
from the power outlet by
pulling on the power supply
cable
do not epose the deice to
atmospheric agents rain
sun etc.
do not allow children or
untrained people to use
this deice
do not clean the control
panel with a wet cloth since
it is not watertight.
14) efore carrying out any
maintenance andor cleaning
operations turn the main
switch which is located on
the front left of the machine
to the or position
and disconnect the machine
from the electrical networ
EN
6
by unplugging the cord or
by switching off the relatie
circuit breaer. or any
cleaning operation follow
eclusiely the instructions
contained in this manual.
15) In case the machine is
operating in a faulty manner
or breas down disconnect
it from the electrical networ
as described in the preceding
point and close the water
supply ale. o not attempt
to repair it. ontact a ualied
and authoried professional to
perform any repair. ny repairs
must be performed eclusiely
by the manufacturer or by
an authoried centre using
only original parts. on
compliance with the aboe
could compromise the safe
operation of the machine.
16) ou should plan to
mae use of an omnipolar
connector during installation
as reuired by local national
and international electrical
codes and regulations.
17) n order to aoid dangerous
oerheating problems it is
recommended that the power
supply cable be fully unfurled.
o not obstruct air intae
and ehaust grilles and in
particular do not coer the
cup warmer tray with cloths or
other items.
19) The machines power
supply cable must not be
replaced by users. In case the
power supply cable becomes
damaged shut off the
machine and disconnect the
machine from the electctrical
networ by switching off the
relatie circuit breaer and
close off the water supply
to replace the power supply
cord contact ualied
professionals eclusiely.
STRADA AV
A [mm]
B [mm]
675
475
91
675
475
B
C
EN
7
T model groups
1ain witch
2ressure auge steam boiler
3ressure auge coffee boiler
4rew roups
5up armer utton
6Tea ater utton
7Digital Display
Steam Wand
9team and eer
ot ater and
11 emoable rain Tray
12 roup rogramming eypad
13 ot ater i ale
Legend
or additional information on electronics
eypads and software programming
please see the section entitled oftware
rogramming your spresso achine.
1
2 3
444
5 67 88
9910
1112 13
EN
8
The machine is built in and coffee
group ersions and is essentially composed
of the following parts
team oiler produces steam and hot
water
offee saturated boiler
rewing groups
terior oer
ater pump.
The team oiler consists of a cylindrical
tan of arying length according to the
number of coffee groups which is made
of series stainless steel. ach
unit is subected to a hydraulic test at a
pressure of bar and has an operating
pressure of .. bar. The following
is a list of effectie olumes and power
ratings according to the number of groups
installed
groups liters atts
groups liters atts
oers are welded at either end of the
cylindrical tan and on one of them there
is a housing for the water heating element
which allows the steam boiler to reach
operating pressure within approimately
minutes. perating pressure is maintained
by temperature probe and controller.
The steam boiler has arious ttings used
for safety deices for supplying hot water
and steam and for the heating element.
omposed of series stainless
steel tube. eating is accomplished
through an immersiontype plated heating
element.
perating pressure of .. bar
controlled automatically through a
pressure switch or a temperature
probe adusted to open the heating
element supply circuit at . bar and
close it at . bar.
The pressure is displayed by means of
a pressure gauge with a scale of to
bar.
afety deice based on an epansion
type mechanical ale with counter
acting spring adusted to . bar.
Testing hydraulic test at . bar
performed on readytouse small
boilers at our factory.
The offee oiler consists of a cylindrical
tan made of series stainless
steel. ne each group hot water generator
for brewing coffee.
ach unit is subect to a hydraulic test
at a pressure of bar and has an
operating pressure of bar. The following
is a list of effectie olume and power
ratings according to the number of groups
installed
groups liters atts
groups liters atts
oers are installed at either end of the
cylindrical tan and on one of them there
is housing for the water heating elements.
The temperature of the coffee boiler is
maintained by an electronic temperature
controller capable with an accuracy
of .. The brewing groups are installed
on the boiler.
omposed of an series stainless
steel tube. eating is accomplished
through an immersiontype plated heating
element.
perating temperature
adustable controlled automatically
by an electronic temperature controller
with an accuracy of . . perating
pressure of bar.
ressure is displayed through a pressure
gauge with a scale from to bar.
afety deice based on an epansion
type mechanical ale with
ounteracting spring adusted to bar.
Testing ydraulic test at bar
performed on readytouse small boilers
at our factory.
EN
9
They consist of a precision casting made
of stainless steel. The brewing group
accepts the portalter used to hold the
ground coffee the espresso ows through
the brewing group through the portalter
baset through the portalter spout and
into the cups after the brewing button
has been pressed.
The eterior consists of painted and
stainless sheet steel panels. To proide
good aesthetics to optimie ergonometrics
for the operator and to reduce the chance
of damage to a minimum.
The rotary ane pump is installed on the
water supply tubing and is set up to operate
anytime the coffee groups are actiated
and through an autoll system wheneer
the water boiler needs to be replenished.
STRADA 3AV ST000000 01/16
220-240 7324 32 50/60
0.9
1.3x3 11.8
STRADA 3AV
161
ST000000
01/16 29-33
EN
10
LA FIGURA AFFIANCO DESCRIVE COME
COLLEGARE OGNI FILO ALLA SPINA.
RISPETTARE ANCHE LE NORME FEDERALI,
STATALI O LOCALI VIGENTI.
MODELLO/SERIE GRUPPO V/Hz
POTENZA
NOMINALE
(W)
INPUT
NOMINALE
(A)
POTENZA
CALDAIA
CAFFE’
POTENZA
CALDAIA
VAPORE
POTENZA
TOTALE
DIMENSIONE CAVO
ALIMENTAZIONE
ELETTRICA (mm²)
STRADA AV
2GR
A
C220-240V/60H
z
AC208-240/60Hz
AC380/50Hz
4600
20-22
1600 3000 4600
12
PER DETTAGLI
3GR 6400 2400 4000 6400
VEDERE I
COLLEGAMENTI
ELETTRICI
ATTENZIONE
AC220-240V/60Hz
AC208-240/60Hz
AC380/50Hz
23
25-29
16
30,5
THE DETAILS ON THE LEFT DESCRIBE
HOW TO CONNECT EACH WIRE TO THE PLUG.
RESPECT ALSO THE LOCAL SAFETY
REGULATIONS.
MODEL/SERIES GROUP V/Hz
RATED
POWER
(W)
RATED
INPUT
(A)
COFFEE
BOILER
WATTAGE
STEAM
BOILER
WATTAGE
TOTAL
WATTAGE
POWER CORD
SIZE (mm²)
STRADA AV
2GR
A
C220-240V/60H
z
AC208-240/60Hz
AC380/50Hz
4600
20-22
1600 3000 4600
12
SEE ELECTRICAL
3GR 6400 2400 4000 6400
CONNECTIONS
FOR DETAILS
WARNING
AC220-240V/60Hz
AC208-240/60Hz
AC380/50Hz
23
25-29
16
30,5
1 X BLU (NEUTRO)
1 X MARRONE (FASE)
1 X GIALLO & VERDE (TERRA)
CAVO ALIMENTAZIONE ELETTRICA:
5 X FILI
380V
1 X MARRONE (FASE)
1 X GRIGIO (FASE)
1 X NERO (FASE)
1 X BLU (NEUTRO)
1 X GIALLO & VERDE (TERRA)
3 X FILI
220V
POWER CORD:
1 X BLUE (NEUTRAL)
1 X BROWN (PHASE)
1 X YELLOW & GREEN (GROUND)
5 X WIRES
380V
1 X BROWN (PHASE)
1 X GRAY (PHASE)
1 X BLACK (PHASE)
1 X BLUE (NEUTRAL)
1 X YELLOW & GREEN (GROUND)
3 X WIRES
220V
140 mm
5,5 in. 12,5 mm
0,5 in.
POSITION OF THE HIGH LEGS MACHINE
775 mm (2 groups)
30,5 in. (2 groups)
975 mm (3 groups)
38 in. (3 groups)
55 mm
2,1 in.
130 mm
5,1 in.
280 mm
11 in.
425 mm
16,7 in.
HERE THE POSITION
OF THE DRAIN TUBE
HERE THE POSITION OF THE POWER CORD AND
WATER INLET HOSES
210 mm
4 in.
FROM ∅80 TO ∅100 mm
FROM ∅3 in. TO ∅4 in.
HERE THE POSITION WHERE WE
SUGGEST TO MAKE THE HOLE
ON THE TABLE
94 mm
3,7 in.
328 mm
13 in.
WARNING
WARNING
WARNING
installed.
EN
11
WARNING
WARNING
WARNING
WARNING
WARNING
accidental interference and
WARNING
WARNING
each leg.
WARNING
WARNING
WARNING
EN
12
The drining water mains ale and
the circuit breaers for the electrical
system need to be located in the most
conenient position for the operator to
access them easily and uicly.
The machine should be placed on a at
counter and must be placed in settings
with the following temperatures
inimum room temperature
aimum room temperature
.
f the machine has been temporarily
housed in settings with a room
temperature of less the
machine must be placed in a warmer
enironment in order to gradually
defrost the hydraulic system prior to
use.
ater pressure supply must be between
and bar.
This machine complies with the
standard 61000-3-11, the impedance
at the supply interface must be ma
0.11
WARNING
or best results T needs a
minimum ow of water in input of lh
and a pressure of . bar.
nstallations that do not meet these
reuirements will cause a shorter life of
the pump and may cause a high noise
leel during coffee brewing.
f the pressure and ow are not adeuate
air bubbles may deelop within the gears.
This is called caitation. aitation can
impair the performance of the espresso
machine.
f the incoming water of the espresso
machine falls outside the recommended
parameters it is necessary to carry out one
of the following installations
WATER TREATMENT
RECOMMENDED VALUES
www.lamarzocco.com/water_calculator
ROTARY PUMP
TEE FITTINGS
WATER CHECK POINT:
FLOW RATE < 100 l/h
PRESSURE ≤ 9 BAR
WATER TREATMENT
RECOMMENDED VALUES
www.lamarzocco.com/water_calculator
TEE FITTINGS
WATER CHECK POINT:
FLOW RATE < 100 l/h
PRESSURE > 9 BAR
ROTARY PUMP
PRESSURE REDUCER
PRESSURE ≤ 9 BAR
WASTE/DRAIN
POWER SUPPLY
CORD
MAIN SWITCH
AND ELECTRICAL SUPPLY CONNECTION
WATER TREATMENT
RECOMMENDED VALUES
www.lamarzocco.com/water_calculator
MAIN WATER
SUPPLY VALVE
BRAIDED HOSE
TEE FITTINGS
COFFEE
BOILER
STEAM
BOILER
WATER CHECK POINT:
PORTATA ≥ 100 l/h
PRESSIONE ≥ 3 BAR
PRESSURE REDUCER
WATER CHECK POINT:
FLOW RATE ≥ 100 l/h
PRESSURE = 3 BAR
POWER SUPPLY
CORD
WASTE/DRAIN
MAIN SWITCH
AND ELECTRICAL SUPPLY CONNECTION
WASTE/DRAIN
MAIN SWITCH
AND ELECTRICAL SUPPLY CONNECTION
POWER SUPPLY
CORD
COFFEE
BOILER
STEAM
BOILER
COFFEE
BOILER
STEAM
BOILER
BRAIDED HOSE
BRAIDED HOSE
MAIN WATER
SUPPLY VALVE
MAIN WATER
SUPPLY VALVE
nstallation with the rotary pump
immediately after the water treatment
system upstream of the tee.
EN
13
WATER TREATMENT
RECOMMENDED VALUES
www.lamarzocco.com/water_calculator
ROTARY PUMP
TEE FITTINGS
WATER CHECK POINT:
FLOW RATE < 100 l/h
PRESSURE ≤ 9 BAR
WATER TREATMENT
RECOMMENDED VALUES
www.lamarzocco.com/water_calculator
TEE FITTINGS
WATER CHECK POINT:
FLOW RATE < 100 l/h
PRESSURE > 9 BAR
ROTARY PUMP
PRESSURE REDUCER
PRESSURE ≤ 9 BAR
WASTE/DRAIN
POWER SUPPLY
CORD
MAIN SWITCH
AND ELECTRICAL SUPPLY CONNECTION
WATER TREATMENT
RECOMMENDED VALUES
www.lamarzocco.com/water_calculator
MAIN WATER
SUPPLY VALVE
BRAIDED HOSE
TEE FITTINGS
COFFEE
BOILER
STEAM
BOILER
WATER CHECK POINT:
PORTATA ≥ 100 l/h
PRESSIONE ≥ 3 BAR
PRESSURE REDUCER
WATER CHECK POINT:
FLOW RATE ≥ 100 l/h
PRESSURE = 3 BAR
POWER SUPPLY
CORD
WASTE/DRAIN
MAIN SWITCH
AND ELECTRICAL SUPPLY CONNECTION
WASTE/DRAIN
MAIN SWITCH
AND ELECTRICAL SUPPLY CONNECTION
POWER SUPPLY
CORD
COFFEE
BOILER
STEAM
BOILER
COFFEE
BOILER
STEAM
BOILER
BRAIDED HOSE
BRAIDED HOSE
MAIN WATER
SUPPLY VALVE
MAIN WATER
SUPPLY VALVE
nstallation of the pressure reducer
immediately after the water treatment
system upstream of the rotary pump.
nstallation of the rotary pump set to
bar immediately after the pressure reducer
upstream of the tee.
EN
14
hec the pacage to mae sure that the
following accessories are included
a number of dose and dose
portalters orresponding to the number
of groups
replacement dose and dose lters
one of each
tamper
blind lter
cleaning detergent for the groups
stainless steel braided hoses for
water connections
mt of reinforced plastic tubing for
drainage;
hose clamp
T itting.
n order to proceed with installation it is
necessary that the following are aailable
ipes carrying drining water with a
end connection
ompression for and anada
lectrical upply according to the
specication of the espresso machine
purchased
ingleThree phase
electrical connection with ground
protected socet and approed
interloc switch
ingle phase
electrical connection with ground
protected socet and approed
interloc switch
Threephase
electrical connection with neutral
ground near the bench on which the
machine is installed and terminating
in a suitable protected epole socet
euipped with an approed interloc
switch
aste water drain system.
n order to enable you to chec if your water
supply is within the suggested ranges a
arocco machines will be euipped with
two units of a uic water test it see image
below including teststrips and instruction
cards.
The parameters that you can measure are
Total ardness Total ron ree hlorine
Total hlorine p Total lalinity
hlorides.
deally you should perform a test on the
water the water treatment system
and again T the water system in order
to erify if this is actually matching our
suggested ranges.
nce the test has been performed learn
which treatment system is most appropriate
for your particular water supply by lling out
the online water calculator on our website
T T http
www.lamarocco.comwatercalculator.
efore switch on remoe the clamp from
the owmeter located inside the machine as
indicated by the adhesie label applied on
the main switch. lso remoe the label from
the main switch.
EN
15
n order to connect the machine up to
the water mains proceed according to the
indications gien in the chapter about
nstallation and in compliance with any
localnational safety standards of the
location in which the machine is being
installed.
To guarantee a correct and safe functioning
of the machine and to maintain an
adeuate performance leel and a high
uality of the beerages being brewed it
is important that the incoming water be
of a hardness greater than f ppm
d and less than f ppm d
p should be between . and . and
the uantity of chlorides be less than
mgl . especting these alues allows
the machine to operate at maimum
efciency. f these parameters are not
present a specic ltration deice should
be installed while always adhering to the
local national standards in place regarding
potable water.
Then connect the inlet of the water lter
softener if present to the drining water
supply using one of the supplied stainless
steel braided hoses. efore connecting
the lter to the water pump ush the
water supply line and the ltration system
in order to eliminate any residual particles
which could otherwise get stuc in taps or
ales thus preenting them from woring
properly. onnect the water supply
connection of the espresso machine to
the water pump outlet using one of the
supplied stainless steel braided hoses.
Then connect the water pump inlet to the
water ltersoftener outlet if present.
The water pump is a differential
pressure olumetric pump and has been
designed to be used eclusiely with cold
water. ae sure that water is always
present while the pump is operating
otherwise air can be introduced into the
brew boiler causing an undesireable
condition and the pump can be damaged.
This is the main power supply cable
that proides power to the entire espresso
machine. There are different types of cable
based upon the electrical reuirements of
the espresso machine purchased
hase core cable
with mm cross section or
for group ersions secured
to espresso machine ia a strain relief
connector
hase core cable with
mm cross section for and group
ersions secured to espresso machine ia
a strain relief connector
hase core cable with
.mm cross section for and group
ersions secured to espresso machine ia
a strain relief connector.
This is the power supply for the water
pump motor. The internal electronics will
switch the pump motor on when needed.
core cable with . mm cross section
or core for ersion secured
to espresso machine ia a strain relief
connector.
The electrical connection must be made
through the use of the connectors as
shown in the following gures
iew of the connectors
achine connector ump connector
EN
16
able connection
able tightening
The espresso machine drain is to be
connected by means of the included
reinforced plastic tubing. onnect one end
of the reinforced plastic tubing to the drain
hose connection on the left side of the
espresso machine secure with included
hose clamp. onnect the other end to a
suitable waste water collection system.
n case such a system is not aailable
drained liuids may be collected in a
suitable bucet and any necessary drain
pipe etensions shall be made using
steellined tubing and suitable hose
clamps.
T.D.S. ppm 90 150
Total ardness ppm 70 100
Total ron eeppm 0 0,02
ree hlorine l2ppm 0 0,05
Total hlorine l2ppm 0 0,1
pH alue 6,5 8,5
lalinity ppm 40 80
hloride l–ppm not more 50
N.B. Test water uality the warranty is oid if water parameters are not within the range
specied in the section installation
EN
17
Once the installaon procedures have
been completed, it is necessary to ll the
boiler tanks with water. Complete the
following procedure to properly ll the
boiler tanks:
The water ows inside the coffee boiler
directly as soon as the water system and
purier taps if present are opened.
ince the inow of water will compress
the air in the boiler it will be necessary to
remoe or bleed the air from the coffee
boilers. ll air must be remoed in order
to completely saturate the coffee boiler
group assemblies.
To remoe the air from the boiler or bleed
the groups it will be necessary to remoe
the plastic eypad from the top of the
group.
oosen the bleed screws one at a time
to allow air to escape until water ows
from below the screw head. Tighten the
screw to stop the water from owing. er
tightening can cause damage to the sealing
washer and the group coer. epeat this
procedure on all groups.
Turn the main switch to position or
the automatic steam boiler leel gauge
To improe the aor of the espresso the
temperature of the water in the coffee boiler
and therefore of the groups may eentually
be raised or lowered ia the digital display
please consult the oftware rogramming
anual for detailed instructions.
WARNING
WARNING
EN
18
will be switched on actiating the autoll
solenoid ale and the motor pump. This
will ll the steam boiler to a predetermined
leel and will shut off when full.
ir inside the steam boiler may build
up pressure which may be detected
through the pressure gauge.
nce the pump stops chec the display
the message offee oiler illed
should be displayed. ress to
conrm that the preceding procedures are
complete.
The installation is now complete and the
espresso machine should be heating to
operating temperatures.
uring this time it may happen that
the pointer of the coffee boiler pressure
reaches as high as bar. This may
happen anytime that the heating element
is in the on condition. n this case it
is necessary to adust the epansion ale
see the picture below about the three
coffee boiler epasion ales in such a
way that the pressure neer eceeds
bar.
n normal operating conditions the coffee
boiler pressure transducer while brewing
can read anywhere from bar when
brewing.
hen the steam boiler reaches operating
temperature the light on the Tea dispense
button will switch on.
nce the rst installation procedures are
nished before proceeding with brewing
coffee hot water and steam please follow
these steps
ngage the portalters by inserting
them into each group brew water
through each group for at least two
minutes.
eing careful to aoid burns turn
on each steam wand for at least one
minute.
Turn on the hot water ale for the
time necessary to allow the following
uantities of water to be brewed
t least liter for a group machine
t least liters for a group machine
nstall the portalters by inserting them
into the group and rotate the handle from
left to right. hen the portalters are
inserted properly you can press any of
brew buttons to start the ow of water
through the portalter. ou should allow
hot water to pass through the empty
portalters for a few seconds each time
in order to preheat the portalter.
t is important to leae the portalters
installed in the espresso machine when
not in use. The portalter must remain
heated for the brew process to function
correctly.
Display
pansion
ale
EN
19
ow you can brew an espresso. isengage
one of the portalters ll the lter with
ground coffee tamp the ground coffee
with the tamper supplied eerting a force
of g and reengage the portalter to
the group. ress a button on the eypad to
begin the brewing process.
ome baristas beliee it is important
to press the brewing button prior to
installing the portalter to allow the water
to ush any remaining coffee oils and
particles from the group. ome also ush
ust after brewing coffee for the same
reason. lease eperiment to nd the best
possible procedure for you.
heneer you are brewing coffee and you
can adust the pump pressure by turning
the bypass screw below the plug located
on the side to which the pump power
supply is connected clocwise to increase
and counterclocwise to reduce pressure.
dust pressure only when at least one
group is brewing coffee.
When the heating element in the
coffee boiler is energied the water will
epand increasing the startup pressure.
nce the maimum pressure is reached
the epansion safety ale should start
woring by discharging a few drops of
water in order to preent such pressure
from eceeding bar.
n case the pressure eceeds bar
you must adust the epansion ale by
unscrewing the cap slightly. f this is not
sufcient remoe the ale and clear away
any calcium deposits. This remedy is alid
also in case the ale remains open in the
drain position i.e. the pressure cannot
increase to bar appro..
The portalters must remain heated since
they are at the lowest position of the
group itself and they are partially isolated
due to the rubber gaset between them.
This can be accomplished by leaing the
portalters installed in the machine when
not in use. The portalters may also be
actiely heated. This procedure may be
carried out by brewing some hot water
through the portalter then turning off the
water ow before maing coffee.
t is important to remember that coffee left
oer in the lters must be remoed only
when you need to prepare another cup
and only at that time should you place a
new dose of ground coffee in the lter.
The sie of the coffee granules is etremely
important in preparing a good cup of
coffee other than the type of coffee mi
used uite obiously. The ideal grinding
can be determined by maing arious
coffees using the amount of ground coffee
that you would normally use for each cup
we recommend at least g. The best
grinding is that which allows coffee to ow
out from the lter holder spouts neither
too slowly drop by drop nor too uicly
uic light brown ow. general rule
is that a double dose should dispense
approimately cc or uid o. of
espresso in approimately seconds.
ress up armer utton for enabled or
disabled the cup warmer. This function
wor in two modes continuous or timed
see the oftware rogramming anual
for further instructions.
ilter aset
orta ilter
ring aset
ouble pout
up armer utton
EN
20
n order to allow for any condensed water
in the wand to be released allow
some steam to be discharged by turning on
the ale before inserting the steam wand
into the pitcher of liuid to be heated.
ip one of the steam wands part page
which are connected to the steam ale
into the liuid to be heated turn the steam
nob gradually until steam comes out at the
end of the wand.
The steam will transfer heat to the liuid
raising its temperature up to boiling point.
e careful not to allow liuid to oerow in
order to aoid seere burns.
n order to preent the heated liuid
from being suced bac into the steam
boiler it is recommended before using
the wand that you purge the steam ale
and steam wand by opening the ale for
a few seconds to allow steam to escape
to the atmosphere from the end of the
steam wand. ailure to do so can cause
the heated liuid to transfer from the
heated liuid container to the steam boiler
ia acuum created from cooling parts.
This condition is undesireable and can
cause contamination in the steam boiler.
fter use remember to purge the wand by
opening the steam ale for a few seconds
and then clean the outside of the wand
itself with an appropriate cloth.
n order to prepare mil for maing
cappuccino with the right amount of foam
go through the following steps
fter purging the steam wand place the
container halffull of mil underneath
carefully open the steam ale and raise
the container so as to bring the wand end
to a point ust below the surface of the
mil at this point moe the container
up and down ust enough to dip the
nole end in and out of the mil until
you get the right amount of foam bring
the temperature of the mil almost up
to or . ou can then
pour this mil into a cup containing warm
espresso and you will end up with a fresh
cup of cappuccino.
ou may dispense hot water by using the
ed nole part page . To dispense
hot water press the tea water button.
This button commands hot water deliery.
The temperature of the water may be
adusted by adusting the miing ale.
TE'
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