Contents

FR-HC INSTRUCTION MANUAL
SAFETY INSTRUCTIONS
CONTENTS
1. OVERVIEW
- 1.1 PRECAUTIONS FOR OPERATION
  - 1.1.1 Japanese harmonic suppression guideline
  - 1.1.2 Pre-operation procedure
  - 1.1.3 Handling precautions
- 1.2 STRUCTURE
  - 1.2.1 Structure
  - 1.2.2 Removal and reinstallation of the front cover
  - 1.2.3 Removal and reinstallation of the accessory cover
  - 1.2.4 Removal and reinstallation of the parameter unit (FR-PU02)
- 1.3 INSTALLATION AND WIRING
  - 1.3.1 Precautions for installation
  - 1.3.2 Wiring instructions
  - 1.3.3 Wiring of the main circuit
  - 1.3.4 Wiring of the control circuit
2. PARAMETERS
- 2.1 PARAMETER UNIT
  - 2.1.1 Structure of the parameter unit
  - 2.1.2 Setting and changing the parameter values
- 2.2 PARAMETER FUNCTION DETAILS
  - 2.2.1 Parameter list
  - 2.2.2 Setting of parameters to improve the corresponding operational functions
    - Pr.1 power supply frequency 1, Pr.2 power supply frequency 2
    - Pr.22 overload signal detection level
    - Pr.40 output terminal assignment
    - Pr. 51 "input power monitoring reference", Pr. 53 "input voltage monitoring reference", Pr. 55 "bus voltage monitoring ...
    - Pr. 52 PU main display data selection, Pr. 54 FM terminal function selection
    - Pr.57 restart selection
    - Pr. 65 "retry selection", Pr. 67 "number of retries at alarm occurrence", Pr. 68 "retry waiting time", Pr. 69 "retry count ..
    - Pr.77 parameter write disable selection
    - Pr.145 parameter unit language switching
    - Pr.900 FM terminal calibration
- 2.3 HELP FUNCTIONS
  - 2.3.1 Definitions of the help function displays
- 2.4 CONVERTER RESET
3. PROTECTIVE FUNCTIONS
- 3.1 ERRORS
  - 3.1.1 Error (alarm) definitions and remedies
  - 3.1.2 Faults and check points
- 3.2 MAINTENANCE AND INSPECTION
  - 3.2.1 Precautions for maintenance and inspection
  - 3.2.2 Check items
  - 3.2.3 Replacement of parts
  - 3.2.4 Measurement of main circuit voltages, currents and powers
4. PRECAUTIONS FOR SELECTION
- 4.1 PRECAUTIONS FOR SELECTING PERIPHERAL DEVICES
  - 4.1.1 Measures against noises
  - 4.1.2 Peripheral device list
  - 4.1.3 Selecting the rated sensitivity current for the earth leakage circuit breaker
5. SPECIFICATIONS
- 5.1 SPECIFICATIONS
  - 5.1.1 Standard specifications
  - 5.1.2 Block diagram
  - 5.1.3 Terminals
  - 5.1.4 Terminal block arrangement
  - 5.1.5 Outline drawings (400V class models have H in their type codes)
  - 5.1.6 Panel cutting dimension diagrams (For use of the heat sink outside mounting attachment)
  - 5.1.7 Parameter unit (FR-PU02-1/FR-PU02E-1/FR-PU02ER-1) dimension diagram
- 5.2 OPTIONS
  - 5.2.1 Option list
  - 5.2.2 External dedicated options
APPENDIX
- APPENDIX 1 INSTRUCTIONS FOR COMPLIANCE WITH THE EUROPEAN STANDARDS
- APPENDIX 2 Instructions for UL and cUL
REVISIONS

Mitsubishi Electric FR HC Instruction Manual

Pages 89

Year 2008

Language(s)

of 89

Mitsubishi Electric FR HC Specification

The Mitsubishi Electric FR-HC series is a sophisticated line of regenerative power units designed to enhance energy efficiency in industrial applications. These units are engineered to convert the excess regenerative energy produced by motors during braking into reusable electrical power, thereby reducing overall energy consumption and operational costs. The FR-HC series is compatible with a wide range of Mitsubishi Electric inverters, allowing seamless integration into existing systems. These units support a power range that caters to various industrial needs, making them suitable for both small-scale and large-scale operations.

The FR-HC series features advanced IGBT technology, ensuring high-speed switching and improved performance. It is equipped with a robust cooling system, enhancing reliability and prolonging the lifespan of the unit under rigorous operating conditions. The design of the FR-HC series prioritizes ease of installation and maintenance, with a compact form factor facilitating space-efficient setup in industrial environments.

Safety is a critical aspect of the FR-HC series, incorporating multiple protection features such as over-current, over-voltage, and over-temperature safeguards, which ensure safe and stable operations. The unit's user interface provides clear and intuitive access to operational parameters, aiding in monitoring and diagnostics to minimize downtime. Additionally, the FR-HC series supports various communication protocols, enabling integration with factory automation systems for enhanced operational control and energy management.

Overall, the Mitsubishi Electric FR-HC series represents a significant advancement in industrial energy efficiency, offering a reliable and sustainable solution for managing regenerative power in diverse applications. Its innovative design and robust performance attributes make it a valuable asset in the optimization of industrial processes, aligning with modern energy sustainability goals.

Mitsubishi Electric FR HC F.A.Q.

How do I reset the Mitsubishi Electric FR HC to factory settings?

To reset the Mitsubishi Electric FR HC to factory settings, power off the unit, press and hold the 'RESET' button, then power on the unit while holding the button for at least 5 seconds. Release the button once the display shows the reset confirmation.

What is the recommended maintenance schedule for the Mitsubishi Electric FR HC?

The recommended maintenance schedule involves checking for dust accumulation every 6 months, inspecting the cooling fan annually, and performing a comprehensive system check every 2 years.

How can I troubleshoot an overheating issue with the Mitsubishi Electric FR HC?

Ensure adequate ventilation around the unit, check for blocked air filters, and verify that the cooling fan is operational. If the problem persists, consult the user manual for further diagnostics or contact support.

What should I do if the Mitsubishi Electric FR HC displays an error code?

Refer to the error code section in the user manual to identify the issue. Follow the recommended steps to resolve it. If the error persists, contact Mitsubishi Electric support for assistance.

How can I improve the energy efficiency of the Mitsubishi Electric FR HC?

Regularly clean the filters, ensure the unit is properly sized for the space, and utilize the energy-saving modes available in the system settings.

Is it possible to integrate the Mitsubishi Electric FR HC with a building management system (BMS)?

Yes, the Mitsubishi Electric FR HC can be integrated with a BMS using compatible communication protocols like Modbus or BACnet. Check the unit's specifications for supported protocols.

How do I update the firmware on the Mitsubishi Electric FR HC?

Download the latest firmware from the Mitsubishi Electric website, transfer it to a USB drive, and insert the drive into the USB port of the unit. Follow the on-screen instructions to complete the update.

What steps should I take if the Mitsubishi Electric FR HC is not starting?

Check the power supply to ensure it is connected and functioning. Verify that all circuit breakers are in the correct position and inspect any fuses. If the issue remains, consult the troubleshooting section of the manual.

Can I use the Mitsubishi Electric FR HC in a high humidity environment?

Yes, the Mitsubishi Electric FR HC is designed to operate in high humidity environments. However, ensure that all connections are sealed and the unit is properly maintained to prevent moisture-related issues.

What should I check if the Mitsubishi Electric FR HC is making unusual noises?

Inspect the unit for any loose panels or components, check the fan for obstructions, and ensure that the unit is mounted securely. If noises persist, a professional inspection might be necessary.