Models With Internal Water Tank - Quality Espresso Ruby PRO TWO Manual De Usuario

3.2.2 Models with internal water tank

• Place the machine on the workbench and open
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the top lid to Access the water tank. Fill it with
water without removing it from its housing and
ensure that the filling and suction tubes remain at
the bottom. Lastly, close the lid.
It is recommended to use water with a hardness
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between 5-8 dHº(8-14 fHº), to avoid calcification
and to obtain an optimal Quality of coffee and
tea.
• Connect the machine to the appropriate plug
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connection according to the current electrical
standards of the area.
Terminal for the connection
of an external potential
equalisation conductor.
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You should not use extension cords or outlet
adapters of any kind to connect the machine to
the supply network.
The mains connection cable should never be
rolled up; instead, it should be fully extended to
avoid possible overheating.
• Place the filter holder in the group head, press the continuous coffee button key to purge the group and let water flow out
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for 30 seconds. Then wait approximately 15 minutes until the machine is at normal working temperature, observing
whether the pressure gauge indicates a pressure of 1bar.
• While the machine is heating, proceed with the installation of the grinder. Adjust fineness and doses.
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• Once the machine has reached the normal working temperature and we have adjusted the grinder, we can program the
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coffee doses (see section 3.3, pg. 20)
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• The internal water tank models drain the residual
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water in the drainage tray without an external
connection to a drainage system. For this reason,
they have a level indicator.
Check the level indicator and empty the drainage
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tray, if necessary.
• Press the main switch.
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At start-up the electronic control box detects that
there is no water in the boiler and activates the
filling valve and the pump. These remain active
until the level probe detects a correct water level.
During the initial filling of the boiler, it might be
necessary to re-fill the water tank several times.
As soon as the probe detects a correct water
level, the heating element will switch on, heating
the entire system.
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If the electronic control box does not detect an
adequate water lever in the boiler within 6
minutes, the one-coffee and two-coffee led keys
together with the tank water indicator led will
blink, indicating a water level warning. This
warning can be cancelled by turning the machine
off and on again.
Level indicator