La San Marco 20/20 CLASSIC Series, Использование и обслуживание

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sure heat dissipation.
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differ from that indicated in the technical data and on the machine’s identification plate. If the voltage is
different, do not connect the machine, this could be dangerous and could damage the machine.
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There must be suitable category III overvoltage disconnection devices. In case of single phase powered
machines, before accessing energized parts of the machine itself, move the main switch to 0 and then
disconnect the power cord upstream of the machine.
1.2.2 Use of the machine - Safety instructions
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must be left open when the machine is on. The user must check and make sure.
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and infusions) and steam (used to heat liquids). The use of the machine for any other than its intended
purposes is considered to be improper and unauthorized. The manufacturer declines any liability for da-
mage resulting from the improper use of the machine.
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common sense procedures. For a proper and safe use of the machine, the operator must always comply
with applicable rules and any other accident prevention, work safety, health and hygiene requirements in
the country of use.
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physical, sensory or mental abilities, or a lack of experience and knowledge, unless they are supervised
or instructed regarding use of the device by a person responsible for their safety. Children must be super-
vised to make sure they do not play with the appliance.
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cut off. The safety devices must absolutely never be removed or tampered with.
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risk of electric shock).
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or neutral detergents.
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that could damage the elements on the body. To clean the coffee brewing groups, the portafilters, the
grates and the trays, follow the instructions of the Routine Maintenance chapter.
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turning the machine on in the morning. If the machine is expected to remain idle for a few hours during
the day, we also recommend changing the water by running it through the hot water tap and the coffee
brewing groups.
1.2.3 Using the coffee machine
Ambient temperature: from 5 to 45 °C (empty the water system in the event of frost)
Water mains water pressure: from 0.08 MPa to 1 MPa (from 0.8 to 10 bar)
Water hardness: between 5 ° f and 9 ° f
Acoustic noise emitted by the machine: The A-weighted sound pressure level is lower than 70 db (A), in normal
conditions of use of the machine