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 FR-HC-7.5K Instruction Manual

Mitsubishi FR-HC-7.5K Inverter manual cover

Pages 89

Year 2008

Language(s)

of 89

Mitsubishi FR-HC-7.5K Inverter Specification

The Mitsubishi FR-HC-7.5K Inverter is a sophisticated power conversion device designed to provide efficient motor control for industrial applications. This inverter supports a power capacity of 7.5 kW, making it suitable for medium-scale operations requiring precise speed and torque management. It operates on a three-phase input voltage, typically ranging from 200V to 240V, allowing it to be integrated seamlessly into standard industrial electrical systems. The inverter is engineered with advanced vector control technology, ensuring high-performance operation, rapid acceleration, and deceleration capabilities, as well as improved energy efficiency.

The FR-HC-7.5K is equipped with a robust cooling system, featuring an intelligently controlled fan that adjusts speed according to the inverter's thermal load, thereby optimizing cooling performance and reducing energy consumption. It includes comprehensive protection features such as overcurrent, overvoltage, and thermal protection, enhancing system reliability and minimizing downtime. The inverter's compact design facilitates easy installation and integration into existing systems, with a user-friendly interface that supports straightforward programming and operation.

Communication capabilities are enhanced through built-in support for various industrial protocols, enabling seamless integration into automated systems and allowing for remote monitoring and control. The FR-HC-7.5K also features a range of customizable parameters, enabling users to tailor its performance to specific application requirements. Overall, the Mitsubishi FR-HC-7.5K Inverter is a versatile, reliable, and efficient solution for demanding industrial environments, offering superior motor control, energy savings, and system protection.

Mitsubishi FR-HC-7.5K Inverter F.A.Q.

What are the initial steps to set up the Mitsubishi FR-HC-7.5K Inverter?

To set up the Mitsubishi FR-HC-7.5K Inverter, mount the inverter securely, connect the power supply, and configure the parameters using the digital operator or parameter unit. Ensure all connections comply with the manual specifications.

How can I reset the inverter to factory settings?

To reset the inverter to factory settings, navigate to the parameter reset option in the configuration menu. Select the reset function, and confirm the action to restore all parameters to default.

What should I do if the inverter displays an overcurrent error?

Check for any short circuits or grounding issues in the motor and cables. Ensure the motor is not overloaded. If the problem persists, examine the inverter settings and adjust the current limit parameters.

How can I perform regular maintenance on the Mitsubishi FR-HC-7.5K Inverter?

Regular maintenance includes cleaning the inverter and its environment, checking for loose connections, inspecting cooling fans, and verifying parameter settings. Schedule periodic inspections to ensure optimal performance.

Can I connect the Mitsubishi FR-HC-7.5K Inverter to a PLC system?

Yes, the inverter can be connected to a PLC system using communication protocols such as Modbus or CC-Link. Refer to the communication manual for detailed setup instructions.

What is the recommended environment for installing the inverter?

Install the inverter in a well-ventilated area, free from dust, moisture, and corrosive gases. Maintain ambient temperatures within the specified range, and avoid direct sunlight or heat sources.

How do I troubleshoot a communication error with the inverter?

Verify all communication cable connections and check the communication settings on both the inverter and the connected device. Ensure that the baud rate and protocol settings match.

What safety precautions should I take when working with the inverter?

Always power off the inverter and disconnect it from the power source before performing any maintenance. Use insulated tools and wear appropriate protective gear to prevent electrical shock.

How can I extend the lifespan of the inverter?

Ensure proper installation and regular maintenance. Avoid frequent start/stop cycles, maintain cooling efficiency, and operate the inverter within its specified load limits.

What should I check if the inverter is not powering on?

Check the power supply and ensure it is correctly connected and within the voltage range. Inspect fuses and circuit breakers for any issues. Verify that the emergency stop function is not activated.