The American Embassy in Bujumbura requires preventive maintenance services on the facility’s Photovoltaic System (solar modules, inverters, dc disconnects and panels, controls, monitoring, combiner bo... The American Embassy in Bujumbura requires preventive maintenance services on the facility’s Photovoltaic System (solar modules, inverters, dc disconnects and panels, controls, monitoring, combiner boxes and fuses). These services shall result in all systems serviced under this agreement being in good operational condition when activated.