User guide

© Bella Barista
Bella Barista, Nene Court, The Embankment, Wellingborough, Northants, NN8 1LD
Tel: [phone] e-mail: [e-mail]
ROCKET ESPRESSO
ROCKET ESPRESSO ROCKET ESPRESSO
ROCKET ESPRESSO -
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- GIOTTO EVOLUZIONE A CLOSER LOOK
GIOTTO EVOLUZIONE A CLOSER LOOK GIOTTO EVOLUZIONE A CLOSER LOOK
GIOTTO EVOLUZIONE A CLOSER LOOK
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How it works
The diagram shows a simplified
The diagram shows a simplified The diagram shows a simplified
The diagram shows a simplified diagram of the Giotto
diagram of the Giotto diagram of the Giotto
diagram of the Giotto (although the boiler shown is vertical, rather than
(although the boiler shown is vertical, rather than (although the boiler shown is vertical, rather than
(although the boiler shown is vertical, rather than
horizontal as in the Evoluzione, the principle is exactly the same
horizontal as in the Evoluzione, the principle is exactly the samehorizontal as in the Evoluzione, the principle is exactly the same
horizontal as in the Evoluzione, the principle is exactly the same tho
tho tho
though
ughugh
ugh).
).).
).
The pump keeps the boiler
The pump keeps the boiler The pump keeps the boiler
The pump keeps the boiler
about 60% filled with water that is heated and kept at a pressure of 1.
about 60% filled with water that is heated and kept at a pressure of 1.about 60% filled with water that is heated and kept at a pressure of 1.
about 60% filled with water that is heated and kept at a pressure of 1.2
22
2 bar (about 22 psi). The
bar (about 22 psi). The bar (about 22 psi). The
bar (about 22 psi). The
temperature of this water is above boiling point and has an area of steam above (similar to a pressure
temperature of this water is above boiling point and has an area of steam above (similar to a pressure temperature of this water is above boiling point and has an area of steam above (similar to a pressure
temperature of this water is above boiling point and has an area of steam above (similar to a pressure
cooker).
cooker).cooker).
cooker).
Steam
SteamSteam
Steam
The pipe
The pipe The pipe
The pipe for the steam wand is at the top of the boiler (in the steam area) as the steam tap is opened,
for the steam wand is at the top of the boiler (in the steam area) as the steam tap is opened, for the steam wand is at the top of the boiler (in the steam area) as the steam tap is opened,
for the steam wand is at the top of the boiler (in the steam area) as the steam tap is opened,
steam is forced through the steam pipe and as the pressure drops more of the water instantly flashes to
steam is forced through the steam pipe and as the pressure drops more of the water instantly flashes to steam is forced through the steam pipe and as the pressure drops more of the water instantly flashes to
steam is forced through the steam pipe and as the pressure drops more of the water instantly flashes to
steam, giving a continuous supply.
steam, giving a continuous supply.steam, giving a continuous supply.
steam, giving a continuous supply.
Hot Water
Hot WaterHot Water
Hot Water
The pipe for
The pipe forThe pipe for
The pipe for the hot water tap is submerged below the waterline in the boiler. As the hot water tap is
the hot water tap is submerged below the waterline in the boiler. As the hot water tap is the hot water tap is submerged below the waterline in the boiler. As the hot water tap is
the hot water tap is submerged below the waterline in the boiler. As the hot water tap is
opened, steam pressure forces the hot water from the boiler through the pipe and out of the hot water
opened, steam pressure forces the hot water from the boiler through the pipe and out of the hot water opened, steam pressure forces the hot water from the boiler through the pipe and out of the hot water
opened, steam pressure forces the hot water from the boiler through the pipe and out of the hot water
outlet.
outlet.outlet.
outlet.
Coffee Brew Water
Coffee Brew WaterCoffee Brew Water
Coffee Brew Water
Coffee brew water for the group does
Coffee brew water for the group does Coffee brew water for the group does
Coffee brew water for the group does not actually come from the water in the boiler, but is pumped
not actually come from the water in the boiler, but is pumped not actually come from the water in the boiler, but is pumped
not actually come from the water in the boiler, but is pumped
directly from the tank through a “heat exchanger” (essentially, a big copper tube) that passes through
directly from the tank through a “heat exchanger” (essentially, a big copper tube) that passes through directly from the tank through a “heat exchanger” (essentially, a big copper tube) that passes through
directly from the tank through a “heat exchanger” (essentially, a big copper tube) that passes through
the hot boiler. As the cold water from the water tank passes through this tube it is heated
the hot boiler. As the cold water from the water tank passes through this tube it is heatedthe hot boiler. As the cold water from the water tank passes through this tube it is heated
the hot boiler. As the cold water from the water tank passes through this tube it is heated to the correct
to the correct to the correct
to the correct
temperature for brewing coffee.
temperature for brewing coffee.temperature for brewing coffee.
temperature for brewing coffee.
Lifting the lever starts the pumping of brew water, lowering the lever stops the pump and additionally
Lifting the lever starts the pumping of brew water, lowering the lever stops the pump and additionally Lifting the lever starts the pumping of brew water, lowering the lever stops the pump and additionally
Lifting the lever starts the pumping of brew water, lowering the lever stops the pump and additionally
releases the pressure (all 140 psi of it) from the group, so you can remove the filter handle safely
releases the pressure (all 140 psi of it) from the group, so you can remove the filter handle safelyreleases the pressure (all 140 psi of it) from the group, so you can remove the filter handle safely
releases the pressure (all 140 psi of it) from the group, so you can remove the filter handle safely,
,,
, (
( (
(the
the the
the
excess water goes into the drip tray when pressure is released)
excess water goes into the drip tray when pressure is released)excess water goes into the drip tray when pressure is released)
excess water goes into the drip tray when pressure is released)