• 39 •ENGLISHInstallation of the machine - Service Provider ManualWarning: the electrical socket which the machine is connected tomust be situated within convenient reach of users, so that theycan easily disconnect the machine from the mains power supply whennecessary.It is forbidden:• to use extension cords of any type.• to replace the original plug.• to use adapters.10.7 Setting water hardnessThis function allows you to set the degree of water hardness so that the ma-chine will signal the need for a descaling treatment at the right time.Warning. To make this setting, carefully read the directions pro-vided in section 11.The hardness of tap water may vary depending on the region.For this reason, the appliance can be set according to the water hardness in theplace where it is to be used, expressed on a scale of 0 to 4.The appliance is factory set to a standard value (hardness 1).The setting should be adjusted according to the amount of lime present, or tothe level of hardness of the water supply, which can be measured using thestrip provided with the machine.Briefly dip (1 second) the provided strip in water and shake it gently.After one minute the test results can be read on the strip.Sehr weiches WasserWeiches WasserMittleres WasserHartes WasserHARDNESS 4HARDNESS 3HARDNESS 2HARDNESS 1HARDNESS 4 (hard)HARDNESS 3 (medium)HARDNESS 2 (soft)HARDNESS 1 (very soft)HARDNESS 0 (descale control disabled)After completing the test, set the corresponding value on the machine.Adequate clearance must be provided to allow users to freely ac-cess the machine and plug and leave the area immediately in caseof need.The illustration shows the minimum spaces for accessing:• the control panel on the front part• the components that may require servicing in case of machine malfunction-ing.200 200100200400After positioning the packing container near the installation site, proceed asfollows:• make sure that the original packing container is closed and intact and hasnot been tampered with during transport;• open the packaging;• check the condition and model of the packed machine;• check the contents of the bag of accessories enclosed with the machine(see “10.3 List of supplied accessories”);• remove the machine from its original packaging;• free it from any remaining packaging material;• then lift the machine and position it in the site prepared beforehand.10.5 Disposal of packaging materialsAfter the packaging has been opened, the packaging materials should be sepa-rated according to type and disposed of in accordance with the regulations inforce in the user’s country.We recommend keeping the packaging for future conveyance ortransport.10.6 Electrical connectionThis operation should be performed only by specialised technicalpersonnel or by the service provider.The machine is designed to operate with single-phase voltage: the voltage rat-ing is shown on the identification plate (1.4 Machine identification).Before plugging in the machine, make sure that the ON/OFF switch is posi-tioned on “0”.The Service provider makes and is responsible for the electrical connection ofthe machine.The machine must be connected to the power supply via the plug installed onthe power cord, bearing in mind:• The laws and technical standards in force at the time of installation;• The technical data shown on the plate on the side of the machine.sizes in millimeter