Fuji Electric FRENIC‑Multi Variable Frequency Drive User Manual

About this manual

This manual explains how to safely install, wire, and operate the Fuji Electric FRENIC‑Multi variable frequency drive, which is used to control the speed of three‑phase asynchronous motors. It includes safety warnings, recommended installation practices, wiring guidelines, and detailed operating procedures.

The document also covers troubleshooting, maintenance checks, specifications, and a list of optional peripheral equipment. It is intended for qualified installers, electricians, and service technicians who work with industrial VFDs. This manual is written in Chinese.

What's inside

• Safety Precautions
• Installation and Wiring
• Operation Panel Use
• Operation
• Function Codes
• Troubleshooting
• Maintenance Checks
• Specifications
• Peripheral Equipment and Optional Accessories

Specifications

Frequently asked questions

Can the FRENIC‑Multi be used with single‑phase motors?

No, the manual states that the FRENIC‑Multi is intended for three‑phase asynchronous motors and is not suitable for single‑phase motors.

What safety steps must be taken before wiring the drive?

The manual requires that power be disconnected, the LED monitor be off, and the DC intermediate circuit voltage be verified below 25 V before any wiring work.

How far can the control cable run between the drive and the operation panel?

The manual recommends keeping the distance within 20 m and using twisted‑pair or shielded cable.