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isolation fault in the TN or TT systems or, for IT systems, the use of isolation controllers
or differential current protection devices to activate automatic power disconnection (an
isolation controller must be provided for indicating a possible first earth fault of a live part,
unless a protection device is supplied for switching off the power in case of a such a fault.
This device must activate an acoustic and/or visual signal which must continue for the
entire duration of the fault). For example: in a TT system, a residual current device with
cut-in current (e.g. 30 mA) coordinated with the earthing system of the building where
the appliance is located must be installed ahead of the supply.
A.8
Use
• The appliance must be used in room with an ambient temperature of 5℃ to 35℃ (41℉ -
95℉).
• If it is stored at an ambient temperature below 5℃ (41℉) the water circuit (boiler-piping)
must be drained.
• In case of emergency (fire, surge, abnormal noise, etc. the first thing to do is to cut off the
current and close the water tap.
• Make sure not to obstruct the air inlets of the appliance with towels or other objects.
• Beware of hot surfaces such as cup heaters, the unit heads and the hot water and steam
outputs. Never install containers filled with liquid on the top of the appliance.
A.9
appliance cleaning and maintenance
• Refer to "A.3 Personal protection equipment" for suitable personal protection equipment.
• Put the appliance in safe conditions before starting any maintenance operation.
Disconnect the appliance from the power supply and carefully unplug the power supply
cable, if present.
• Depending on the model and type of electric connection, during maintenance operations,
the cable and plug must be kept in a visible position by the operator carrying out the work.
• Do not touch the appliance with wet hands or feet or when barefoot.
• Do not remove the safety guards.
• Respect the requirements for the various routine and extraordinary maintenance
operations. Non compliance with the instructions can create risks for personnel.
• Extraordinary maintenance, checking and overhaul operations must only be carried out
by a specialised personnel or the Customer Care Service, provided with suitable
personal protection equipment (safety shoes and gloves), tools and ancillary means.
• Do not clean the appliance with jets of water.
Repair and extraordinary maintenance
• Repair and extraordinary maintenance have to be carried out by specialised authorised
personnel. The manufacturer declines any liability for any failure or damage caused by
the intervention of an unauthorized technician by the Manufacturer and the original
manufacturer warranty will be invalidated.
• The appliance should be descaled only by a specialised personnel.
• Do not forget to regenerate your water softener periodically.
A.10
Service
• Only original spare parts can ensure the safety standards of the appliance.
A.11
Disposal of packing
• Dispose of each packaging items respecting the current regulation in the country of
installation.
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