Vacon NXI FI9-FI14 Inverter Installation and Operation Manual

About this manual

The document serves as a comprehensive user's manual for Vacon NXI inverters, specifically covering models with frame sizes FI9 through FI14. It outlines essential procedures from safety warnings and delivery checks to technical data, installation requirements, cabling connections, and control keypad usage.

Key sections include detailed instructions on commissioning the inverter, utilizing the control keypad for monitoring and parameter setting, and troubleshooting active faults or fault history. The manual emphasizes strict adherence to safety protocols regarding high DC voltages and proper earthing before any maintenance or connection work.

What's inside

• Safety Instructions
• Receipt of Delivery
• Technical Data
• Installation
• Cabling and Connections
• Control Keypad
• Commissioning
• Fault Tracing

Frequently asked questions

What safety steps must be taken before working on the inverter connections?

After disconnecting the inverter from the DC supply, you must wait until the fan stops and the indicators go out, then wait five more minutes before doing any work or opening the cover.

What specific motor data must be checked against the rating plate during commissioning?

You must check the nominal voltage, frequency, speed, and current of the motor along with the motor cosϕ to ensure proper operation.

Who is responsible for providing a main switch if the inverter is used as part of a machine?

The machine manufacturer is responsible for providing the machine with a main switch according to EN 60204-1.