This document provides operating instructions for a VLT AQUA Drive frequency converter. It describes safety procedures that must be followed when installing and servicing the frequency converter due to the high voltages present. Proper grounding and ensuring capacitors are discharged is critical. The document reviews mechanical installation, electrical installation procedures, start up testing, programming and configuration, application examples, troubleshooting, and specifications. Safety is emphasized throughout as frequency converters require qualified personnel to install and maintain.