English14Three-phase cable connection modelsAppliance fitted with a (three-phase) cable attached to the terminal board in the figure: these fry tops are suppliedwith a 5-wire electricity cable and leave the factory having been set up for three-phase connection with neutral; thecable should be connected directly to a switchboard. Means for disconnection must be incorporated in the fixedwiring in accordance with the wiring rules. We recommend the use of a safety switch for fault currents.During appliance operation, the power supply voltage should not deviate from the nominal voltage valuespecified on the appliance rating plate.To carry out other types of connection, please refer to the “Technical data” attachment to check the connectionmethods used for the appliance model in question, as well as the type of cable that should be used.Connection diagrams can be found on the inside of the terminal board cover.Only perform the connections indicated on the technical data sheet, fitting the copper jumper and electricitycable underneath the screw in its tightening direction, so that when the screw is tightened, the cable and jumperare tightly secured.Caution!The power supply cable may only be replaced by the manufacturer, a representative from the Assistance Serviceor a similarly qualified member of staff.Incorrect connection may cause the terminal board to overheat so much that it melts. In light of the aboveinformation, UNOX accepts no responsibility for any situation resulting from work carried out in an unprofessionalmanner, or from the incorrect intepretation or application of regulations. The appliance must be connected tothe electricity mains earth conductor.Caution!The cable must only be replaced by authorised personnel. The earthing cable must be yellow andgreen. To replace the power supply cable (if using a terminal board with a pre-installed cable),proceed as follows:• Open the terminal board cover by removing the fixing screws• Connect the wires in accordance with the selected connection diagram• Secure the cable using the relevant cable clamp• Close the terminal board cover and tighten the fixing screwsEquipotential connectionThe appliance must be included in an equipotential system, which has been checked for efficiency in accordancewith the specifications set out in current regulations. This connection must be performed between differentappliances, using the terminal marked as equipotential. The equipotential wire must have a minimum cross-section of 10 mm2 and must be yellow and green.Electrical connections