19EnglishFig. 37 Fig. 39Fig. 38WarningThe Manufacturer declines any liability for any damage tothe vending machine, to property and/or injury to persons,caused by the installation of the payment system. Theresponsibility falls to the person who carried out theinstallation.5.8 Connection to watermainsImportantIt is recommended to use a descaling device for the waternetwork supplying the vending machine, especially for waterwith a high calcium and magnesium content (hard water).Connect the vending machine to a drinking water supplypipe with a pressure ranging between 1.5 and 8 bars (seedata plate).Remove the cap from the coupling placed on the vendingmachine back panel (Fig. 37). Connect the water supplypipe to the 3/4" Gas coupling of the vending machine (Fig.37).5.9 Connection to theelectric networkWarningThe Maintenance Technician, who is responsible for theinstallation of the vending machine, must ensure that:- the electric system complies with current safety regulations;- the supply voltage corresponds to that indicated on thedata plate.If in doubt, do not proceed with the installation and askqualified and authorized personnel to check the systemaccurately.The vending machine is equipped with a power cord whichmust be plugged into the appropriate socket on the vendingmachine back panel (Fig. 38).Do not use adapters or multi-sockets (Fig. 39).