1For your safety!• Make sure that the installation room (spaces, divisionsand ambient) is suitable for the electrical apparatus.• Check that all the installation, putting into service andmaintenance operations are carried out by qualifiedpersonnel with suitable knowledge of the apparatus.• Make sure that the standard and legal prescriptionsare complied with during installation, putting intoservice and maintenance, so that installationsaccording to the rules of good working practice andsafety in the work place are constructed.• Strictly follow the information given in this instructionmanual.• Check that the rated performance of the apparatus isnot exceeded during service.• Check that the personnel operating the apparatushave this instruction manual to hand as well as thenecessary information for correct intervention.• Pay special attention to the notes indicated in themanual by the following symbol:ReSPonSible behaviouR SafeguaRdS youRown and otheRS’ Safety!foR any RequeStS, PleaSe ContaCt theabb aSSiStanCe SeRviCe.waRning