Lenze Inverter 820 Series Manual

The Lenze Inverter 820 Series is designed for efficient control of electric motors in various applications. This series offers advanced features such as precise speed control, built-in safety functions, and a user-friendly interface. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Operating the Inverter 8. Accessibility Features 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Compact design, integrated safety features, user-friendly interface, and versatile connectivity options.

FeatureDescription
Speed ControlPrecise control over motor speed for various applications
Built-in Safety FunctionsOvervoltage, undervoltage, and overcurrent protection
User InterfaceIntuitive display for easy operation and monitoring
ConnectivityMultiple communication protocols for integration with other systems
Compact DesignSpace-saving design suitable for various installations

Installation

Unpack and inspect the inverter. Mount securely in a well-ventilated area.

  1. Connect power supply: Ensure correct voltage and phase.
  2. Connect motor: Follow wiring diagrams provided in the manual.
  3. Configure settings: Use the user interface to set parameters.
  4. Power on the inverter.

WARNING! Ensure all connections are secure to prevent damage.

First-Time Setup

Power on the inverter; follow on-screen prompts to configure settings.

  1. Set motor parameters: Input motor specifications in the setup menu.
  2. Adjust control settings: Configure speed and torque limits.
  3. Test operation: Run the motor at low speed to verify settings.

CAUTION! Ensure safe operating conditions before testing.

Specifications

Controls and Settings

Access settings via the user interface. Key controls include START, STOP, and parameter adjustment buttons.

Display: Shows operational status, fault messages, and parameter settings.

Adjustable parameters include speed, acceleration, deceleration, and torque limits.

Connecting Devices

Connect the inverter to the motor and power supply according to the wiring diagram.

  1. Turn off power before making connections.
  2. Ensure correct polarity and connections.
  3. Verify all connections before powering on.

Tip: Use appropriate cable sizes for power and control connections.

Operating the Inverter

Follow the operational guidelines for safe and efficient use of the inverter.

  1. Start the motor: Press the START button.
  2. Monitor performance: Check display for operational status.
  3. Adjust settings as necessary during operation.
  4. Stop the motor: Press the STOP button when finished.

WARNING! Do not exceed the rated limits of the inverter.

Accessibility Features

The inverter includes features for easy access and operation, ensuring usability for all users.

Care & Maintenance

Regular maintenance is essential for optimal performance. Keep the inverter clean and free from dust.

CAUTION! Disconnect power before performing maintenance.

Regulatory Information

This inverter complies with relevant safety and performance standards. For support, visit the manufacturer's website or contact customer service.

Troubleshooting

SymptomPossible CauseCorrective Action
Inverter does not startPower supply issueCheck power connections and supply voltage.
No output to motorWiring issueVerify motor connections and settings.
OverheatingPoor ventilationEnsure adequate airflow around the inverter.
Fault code displayedInternal errorRefer to the manual for fault code definitions and solutions.

Reset: Follow the reset procedure in the user manual if necessary.

Service: Contact customer support for further assistance.

Lenze Inverter 820 Series Manual © - All Rights Reserved 2025