Back Inverter Three-phase PIKO CI- KOSTAL Datasheet e Manuals DATASHEET_KOSTAL _PIKO_CI_30-50-60_kW_EN.pdf INSTALLATION_MANUAL_PIKO-CI_30-50-60_EN.pdf QUICK_START_GUIDE_PIKO-CI_30-50-60_EN.pdf Certifications DECLARATION OF CONFORMITY_PIKO-CI_30-50-60_IT.pdf DICHIARAZIONE DI CONFORMITA' EU__PIKO-CI_30-50-60_IT.pdf Warranties and Deductions WARRANTY_KOSTAL_EN.pdf