Mitsubishi Electric FR-B/B3 Pressure-Resistant Explosion-Proof Inverter Instruction Manual

About this manual

This instruction manual provides handling information and precautions for the Mitsubishi Electric FR-B and B3 series pressure-resistant, explosion-proof motor driving inverters. It is intended for users who want to run the inverter and includes safety precautions regarding electric shock, fire prevention, and injury avoidance.

The document details procedures for product checking, installation, wiring, drive operation via panel or terminals, troubleshooting fault codes, and maintenance inspections. Specific attention is given to operating the FR-B3 series with advanced magnetic flux vector control after offline auto tuning.

What's inside

• Product Checking
• Installation and Wiring
• Drive the Motor
• Operation Panel
• Troubleshooting
• Maintenance and Inspection
• Specifications

Frequently asked questions

What is the maximum altitude for standard operation?

Standard operation is allowed at a maximum altitude of 1000m above sea level.

How long must you wait after turning off the power before opening the cover?

You must wait at least 10 minutes after switching off the power supply before opening the cover.

What type of motor should be connected to the inverter output?

The load used should be a three-phase induction motor only.