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Repair and Maintenance The PVMate inverter contains no user serviceable parts, except for the fan, the PV string fuses and the GFDI fuse. Only MOTECH-trained staff is authorized to carry out internal repair and maintenance of the unit. Please return the device for repair and maintenance for faults caused by parts other than the fan and the fuses described above. For maintenance and replacement of the fuses, please refer to the section 5.4. WARNING! Not to make alterations or use tampering assembly in the inverter without manufacturer’s authorization unless specified elsewhere in this Manual. They may result in injury, electric shock, or fire and void the warranty. Wiring the inverter Input/Output Terminals: Use wire size #10 AWG to #6 AWG , 90°C (194°F) Copper Wire. Reconfirm that all connections have been performed properly and all screws are properly tightened. WARNING! All electrical installation and the wiring methods shall be done in accordance with the local and National Electrical codes ANSI/NFPA 70 and should follow the important safety instructions in this manual. WARNING! Make sure that you use suitable connecting cables for both the AC and DC wiring. The cable must be adequately dimensioned and suitably inert to temperature fluctuation, UV radiation and other possible hazards.