Mitsubishi Electric FR-A721-7.5K Manuals

Manuals and User Guides for Mitsubishi Electric FR-A721-7.5K. We have 1 Mitsubishi Electric FR-A721-7.5K manual available for free PDF download: Instrucion Manual

Mitsubishi Electric FR-A721-7.5K Instrucion Manual

Mitsubishi Electric FR-A721-7.5K Instrucion Manual (217 pages)

Brand: Mitsubishi Electric | Category: Inverter | Size: 9.31 MB

Table of Contents

Table of Contents
3
Specifications
6
1 Outline

8
2 Wiring

19
3 Precautions for Use of the Inverter

42
4 Drive the Motor

54
5 Troubleshooting

146
- Reset Method of Protective Function
  146
- List of Fault or Alarm Display
  147
- Causes and Corrective Actions
  148
- Correspondences between Digital and Actual Characters
  163
- Check and Clear of the Faults History
  164
- Check First When You Have Troubles
  166
  - Motor will Not Start
    166
  - Motor Generates Abnormal Noise
    166
  - Inverter Generates Abnormal Noise
    167
  - Motor Generates Heat Abnormally
    167
  - Motor Rotates in Opposite Direction
    167
  - Speed Greatly Differs from the Setting
    167
  - Acceleration/Deceleration Is Not Smooth
    167
  - Motor Current Is Large
    167
  - Speed Does Not Increase
    167
  - The Motor and Machine Vibrate
    167
  - Speed Varies During Operation
    168
  - Operation Mode Is Not Changed Properly
    168
  - Operation Panel (FR-DU07) Display Is Not Operating
    168
  - POWER Lamp Is Not Lit
    168
  - Parameter Write Cannot be Performed
    168
6 Precautions for Maintenance and Inspection

169
- Inspection Item
  169
  - Daily Inspection
    169
  - Periodic Inspection
    169
  - Daily and Periodic Inspection
    170
  - Display of the Life of the Inverter Parts
    171
  - Checking the Inverter and Converter Modules
    172
  - Cleaning
    173
  - Replacement of Parts
    173
- Measurement of Main Circuit Voltages, Currents and Powers
  176
7 Specifications

181
- Rating
  181
  - Inverter Rating
    181
  - Motor Rating
    183
- Common Specifications
  184
- Outline Dimension Drawings
  185
  - Inverter Outline Dimension Drawings
    185
  - Dedicated Motor Outline Dimension Drawings
    190
- Installation of the Heatsink Portion Outside the Enclosure for Use
  194
  - Protrusion of Heatsink
    194
- Appendices
  
  196
Appendix 1 Main Differences and Compatibilities with the FR-A700 Series

196
Appendix 2 Instructions for UL and Cul Compliance

197
Appendix 3 Control Mode-Based Parameter (Function) Correspondence Table and Instruction Code List

199

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