Micro Casa Semiautomatica
Training Manual
Contents
Overview
1
Models
1
Specifications
1
Features
1
Available accessories
1
Package contents
2
Semiautomatic parts
3
Assembly
4
Operating instructions
4
Starting for first time or from empty
4
Normal starting
4
Making coffee
5
Working the machine
5
Making coffee
5
Frothing or heating milk
6
Maintenance and cleaning
7
Daily
7
Weekly
7
Background information
8
Operating principles
8
The group head
8
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Overview
Models
Available in three versions:
ƒ
SX
Copper and Brass
ƒ
SXC
Chrome
ƒ
SXCD Chrome with art deco water
reservoir and Morano blue glass ball.
Specifications
Weight
Tank capacity
Boiler capacity
Height
Base Diameter
12 kg
2 litres
2 litres
58 cm
26 cm
Features
ƒ
Electric pump, large boiler and heat exchanger (as in a
commercial espresso machine)
ƒ
Commercial sized group head and handle
ƒ
Solenoid to produce dry coffee cake and stop drips from the
group head
ƒ
Powerful steam wand for creamy cappuccinos and smooth lattes
Available accessories
ƒ
Dumping boxes, two types:
Brown wood base
brass ball grip (SB)
Black wood base,
chrome ball grip (SBN)
ƒ
Coffee grinders, two models
ƒ
Cups, two types:
TC (Cappuccino – Ivory)
ƒ
Copper and brass
finish (model MS)
Chrome finish
(model MSC)
TE (Espresso – Ivory)
Cleaning brush (SPA)
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Training manual – Micro casa semiauto
Package contents
Water tank cover
Micro casa semiautomatica
espresso coffee machine
Plastic drip tray
Coffee handle
Instruction manual
with guarantee card
Brass or chrome drip tray cover
Single and double filter baskets
Dosing spoon
Training manual – Micro casa semiauto
Tamper
2
Semiautomatica parts
water tank cover
water tank
boiler
pressure
gauge
steam wand tap
boiler
water
level
gauge
steam wand
filter basket
group head
coffee handle
element
indicator light
on/off
switch
coffee brewing
pushbutton
boiler
water supply
pushbutton
plastic drip
tray
metal drip tray cover
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Training manual – Micro casa semiauto
Assembly
1. Place plastic drip tray into position.
2. Place chrome / brass drip tray cover into plastic drip tray.
3. Place filter basket into coffee handle.
4. Attach coffee handle to group head.
5. Attach eagle/Morano glass ball to water tank cover and place
cover into position.
Operating instructions
Starting for first time or from empty
1. Remove water tank cover and fill water tank with fresh, cold
water. (For best results use filtered or bottled water.) Replace
water tank cover.
2. Ensure the steam wand tap is in the off position.
Steam tap in the
OFF position
3. Connect the electrical plug to a suitable 240V power outlet.
4. Switch on power outlet, then switch on the machine at its on/off
switch. A red lamp in the switch should glow.
5. Immediately press the boiler water supply pushbutton to activate
pump and fill boiler from water tank. Hold button in until the boiler
sight glass shows that the boiler is three quarters full.
6. Press the coffee brewing pushbutton and run half a cup of water
through the group head into a cup. Continue as follows.
Normal starting
1. After the machine is switched on, the
heating element indicator light will
glow and a soft boiling sound will be
heard. The element indicator light will
go out when the boiler pressure
reaches the green band on the
pressure gauge (1–1.25 bars of
pressure).
2. When the boiler has reached its
working pressure, turn the steam tap
anti-clockwise to release a small
amount of steam into a cup.
3. Press the coffee brewing button to run about 30mls of water
through the group head into a cup. Although the machine is now
at the correct pressure it’s important to work the machine to get it
to the correct operating temperature. See next page.
Training manual – Micro casa semiauto
4
Making coffee
Hot surfaces – some parts of this machine
will become hot enough to cause burns, in
particular the boiler casing. The steam
wand can also become too hot to touch.
Boiler water level – it’s essential to ensure
the boiler is never allowed to run dry as
the heating element will burn out. To fill
the boiler press the boiler water supply
pushbutton until the water level gauge
shows about three quarters full.
hot
hot
Working the machine
1. Release steam into a cup or jug until the element indicator light
comes on, then turn steam off. After the indicator light turns off,
release steam again until the light comes on. Do this three times.
2. Press the coffee brewing button to run about 30mls of water
through the group head into a cup.
3. Repeat steps 1 – 2 once more.
The machine is at the correct temperature and pressure when the
water from the group head is hissing with steam. You will need to
remove the handle to see and hear this. The handle should be
returned immediately to the group head to ensure it stays warm.
Making coffee
1. Remove coffee handle from the machine and:
ƒ
To make a single cup — with the single cup filter basket fitted to
the handle, add one rounded espresso dosing spoon of coffee
grounds to the basket, and tamp down firmly.
ƒ
To make a double cup — with the double cup filter basket fitted to
the handle, add a level espresso dosing spoon of coffee grounds
to the filter basket and tamp down firmly. Add another level dosing
spoon of coffee grounds and tamp firmly.
4mm
In all cases, the tamped coffee grounds should be
around 4mm from the top of the filter basket.
If too high, the handle won’t fit into the group head.
2. Wipe off excess coffee grounds from the rim of the filter basket.
3. Fit the coffee handle securely into group head by pulling the
handle horizontally to the right.
4. Place coffee cup(s) onto metal drip tray.
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Training manual – Micro casa semiauto
5. Press coffee brewing pushbutton and extract coffee to the
required level.
6. When required coffee level is reached press coffee brewing
pushbutton again to stop coffee flow.
7. Remove cups from drip tray.
8. Remove the handle by slowly and carefully pulling it horizontally
to the left.
9. Dump the used coffee cake into dumping box or by tapping the
coffee handle on a non-metal surface.
10. Rinse the handle/basket and return to the group head.
Notes:
ƒ
It normally takes 25–30 seconds to extract a shot of coffee.
ƒ
When the coffee brewing pushbutton is turned off, an electric
solenoid valve operates to release the pressure inside the group
head. This also has the benefit of extracting the remaining water
from the coffee cake. The water is expelled into the plastic drip
tray, so you need to regularly empty this tray.
Frothing or heating milk
You can froth or heat milk while coffee is being extracted. To do this:
1. Purge the steam wand of condensation by releasing steam into a
container.
2. Fill a stainless steel jug with the required amount of milk. Avoid
filling jug much more than half way.
3. Immerse the tip of the steam wand into the centre of the jug, just
below the surface of the milk.
4. Turn on the steam tap until you hear a soft “psst-psst” sound,
which indicates the milk is being frothed. As the milk level rises,
lower the jug to ensure the wand stays just under the surface of
the milk to maintain the “psst-psst” sound.
5. When the milk is sufficiently frothed, lower the steam wand into
the milk to heat it. Move the wand around the milk to ensure even
heating. Do not boil the milk!
Correct temperature can be judged by holding your hand against
the jug. When the temperature is too hot to the touch, wait four
seconds or so, then turn off the steam.
6. Remove the jug and immediately release a small amount of
steam into a container to flush any milk deposits from the tip of
the wand. Otherwise, the milk will dry, possibly blocking the wand
and causing a health hazard. Also wipe the steam wand with a
clean damp cloth to remove any milk before it dries.
Training manual – Micro casa semiauto
6
Maintenance and cleaning
Daily
1. Use a clean sponge, cloth or brush to clean the shower head and
up inside the group head.
group head
rubber
sealing ring
shower
head
Looking into the group head.
Clean all parts, including the rubber sealing ring
and the surface of the shower head.
2. Flush a small amount of water through the group head.
3. Place a small jug of cold water under the steam wand and release
steam to remove any milk deposits from the wand.
4. Wipe the surface of the wand with a soft damp cloth, including all
grooves or places where milk could build up.
5. Remove filter baskets from coffee handle and wash in warm
soapy water. Rinse them thoroughly under hot running water.
6. Remove the metal drip tray cover and plastic drip tray and wash
them in warm soapy water.
7. Use a clean, wet paper towel or soft cloth to remove marks from
the surface of the machine (while warm) and polish with a clean,
dry soft paper towel or soft cloth.
Do not use any alcohol, solvents or abrasive creams or cloths on the
surface of the machine.
Weekly
ƒ
With commercial espresso machine cleaning chemical
1. Put three teaspoons of cleaning chemical into half a litre of very
hot water.
2. Place coffee baskets and handle into the solution to soak for 20 to
30 minutes. Ensure that the bakelite part of the handle is not
immersed in the solution.
3. Rinse and wash all parts with warm soapy water.
4. Rinse thoroughly in hot water.
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Training manual – Micro casa semiauto
Background information
Operating principles
The Elektra Micro casa semiautomatica operates like a commercial
espresso machine. When the coffee brewing pushbutton is pressed,
water is pumped from the water tank so it passes through a tube
inside the boiler (called a heat exchanger). The hot water in the boiler
heats the water passing through the heat exchanger to the correct
temperature, where it goes into the group head and through the coffee
grounds into the cup. That is, the hot water passing through the coffee
grounds does not come from the boiler.
The boiler is filled from the water in the water tank, which is done by
pressing the boiler water supply pushbutton to operate the pump.
This machine allows the user to extract coffee and froth/heat milk at
the same time.
The group head
The coffee handle fits into the group head, with water flowing through
a “shower screen”, as below. If the basket is too full, the grounds will
press against the shower screen, stopping the handle from being
fitted to the group head.
locating lug
shower screen
Coffee handle and group head.
Water passes through the shower screen to give an
even flow of water through the coffee grounds.
The coffee handle has two lugs either side that locate into two slots in
the group head. The handle is fitted by aligning the lugs and slots,
then pushing the handle up so it can be twisted to the right.
When the coffee handle is fitted into the group head, a rubber ring
inside the group head seals against the top of the filter basket. It’s
therefore important to make sure the top of the filter basket is clean
and free of coffee grounds. Otherwise leakage can occur, and in
some cases the rubber seal can become dislodged due to a build-up
of coffee grounds behind the seal.
Training manual – Micro casa semiauto
8
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