Linecome 820 Series VFD AC Drive Driver Instruction Manual

1. Introduction

The Linecome 820 Series VFD AC Drive Driver is a versatile and reliable solution designed for driving and controlling asynchronous motors in various industrial applications. Featuring an advanced DSP chip and PID algorithm, this frequency converter delivers high performance and precision. It includes 15-speed segments, automatic programs, and frequency control capabilities, enhancing reliability, adaptability, and usability. This product is certified according to international standards, ensuring quality and safety.

Video: Overview of the Linecome 820 Series VFD AC Drive Driver, highlighting its features and applications.

2. Important Safety Warnings

Failure to follow these instructions may result in serious injury or death.

Read the user's manual before the inverter is opened.
Do not connect AC power to output terminals U, V, W.
Ground (PE) must always be connected.
Do not open this front cover while power is applied or within 10 minutes after power has been removed.

Front view of the Linecome VFD AC Drive Driver with a warning label visible.

Image: Front panel of the VFD unit, showing critical safety warnings.

3. Specifications

General Specifications

Attribute	Value
Name	General-purpose Frequency Converter
Model	LNC820-4T2500G/4T2800P
Brand	LINECOME
Material	Iron
Color	White grey
Power Range	250kW
Input Voltage	Three phase 380V
Output Voltage	Three phase 380V
Output Frequency	0-500Hz
Origin	Mainland China
Control Mode	V/F
Nominal Voltage	380 V
Power Phase Number	Three Phase
Rated Power	250KW
Place of Origin	Jiangsu, China
IP Level	IP20
Size (LWH)	862600455mm
Installation Size	400*832mm
Weight	134kg
Certification	CE, ISO
Customized	Yes
OEM	Accepted
MOQ	1pcs
Display	LED Display

Model-Specific Electrical Ratings

Model	Input/Output Voltage (V)	Rated Power (kW)	Rated Input Current (A)	Rated Output Current (A)
LNC820-4T2500G/4T2800P	Three Phase 380V±15% / Three Phase 380V±15%	250	468	465

Diagram showing the model number breakdown for LNC820 series inverters, including voltage degree, adapt motor power, and brake unit options.

Image: Model number explanation and power adaptation table for LNC820 series.

Dimensions of the Linecome VFD AC Drive Driver, showing height 862mm, width 600mm, and depth 455mm.

Image: Dimensional drawing of the VFD unit.

4. Key Features and Components

The Linecome 820 Series VFD AC Drive Driver is built with high-quality components to ensure stable performance and durability.

Diagram showing internal components of the VFD: Fan for cooling, dust-proof, noise reduction; PCB Board with special protective paint, acid and alkali resistance, aging resistance; Control Board for low frequency, high torque, automatic voltage regulation; Keypad with simplified design, easy to operate, digital display.

Image: Internal components and their features.

Fan: Provides efficient cooling, dust-proof operation, and noise reduction.
PCB Board: Features special protective paint for acid and alkali resistance and enhanced aging resistance.
Control Board: Designed for low frequency, high torque applications, with automatic voltage regulation.
Keypad: Simplified design for easy operation and clear digital display.

Image showing various high-quality components used in the VFD, including power modules and circuit boards, emphasizing stable performance and real materials.

Image: High-quality components ensuring stable performance.

5. Installation and Setup

Installation of the VFD AC Drive Driver should be performed by qualified personnel only. Ensure all power is disconnected before beginning any installation or wiring procedures.

5.1 Mounting

Mount the unit in a well-ventilated area, free from excessive dust, moisture, and corrosive gases.
Ensure adequate clearance around the unit for proper airflow and heat dissipation. Refer to the dimensions (862x600x455mm) and installation size (400x832mm) for cabinet integration.
Securely fasten the VFD to a stable surface using appropriate mounting hardware.

5.2 Wiring

Power Input: Connect the three-phase 380V AC power supply to the R, S, T input terminals of the frequency converter.
Motor Output: Connect the three-phase asynchronous motor to the U, V, W output terminals of the frequency converter.
Grounding: The Ground (PE) terminal must always be connected to a reliable earth ground.
Brake Unit: If a brake unit is used, connect it to the P+ and PB terminals.
Ensure all wiring connections are tight and secure to prevent loose contacts and potential hazards.
Verify correct voltage and current ratings for all connected components.

For detailed wiring diagrams and specific connection instructions, please consult the full user manual (PDF) which can be obtained from the manufacturer or seller.

6. Operation

The VFD features a simplified keypad and digital display for easy operation. After proper installation and power-up, the unit is ready for configuration and control.

6.1 Basic Control

Use the keypad to set desired output frequency (0-500Hz) and other operational parameters.
The VFD supports V/F control mode, suitable for general-purpose applications.
Utilize the 15-speed segments and automatic programs for complex control sequences.

6.2 Advanced Functions

The advanced DSP chip and PID algorithm enable precise control and optimization for various motor loads. Refer to the comprehensive manual for detailed programming and parameter adjustments for specific application requirements.

7. Maintenance

Regular maintenance ensures the longevity and optimal performance of your Linecome VFD AC Drive Driver. Always disconnect power before performing any maintenance.

Cleaning: Periodically clean the cooling fan and ventilation openings to prevent dust accumulation, which can lead to overheating.
Inspection: Regularly inspect all wiring connections for tightness and signs of wear or damage.
Environment: Ensure the operating environment remains within specified temperature and humidity ranges, and free from corrosive substances. The PCB board is designed with protective paint for acid and alkali resistance, but extreme conditions should be avoided.
Firmware Updates: Check with the manufacturer for any available firmware updates to improve performance or address known issues.

8. Troubleshooting

This section provides general guidance for common issues. For complex problems, consult the full user manual or contact technical support.

Common Issues:

No Power/Display: Check input power connections, fuses, and ensure the unit is properly grounded.
Motor Not Running: Verify motor connections (U, V, W), check VFD output frequency settings, and ensure no fault codes are displayed.
Overheating: Clean cooling fan and vents. Ensure adequate ventilation and ambient temperature.
Fault Codes: Refer to the user manual for a list of fault codes and their corresponding troubleshooting steps.

9. User Tips

Quality Assurance: The production process is ISO9001-certified with dedicated QC departments (IQC, IPQC, OQC, FQC) and fully automatic testing equipment. Each product has unique codes for traceability, ensuring high quality.
Customization: The manufacturer offers customization options to meet specific requirements, leveraging patented appearance and a professional technical and quality management team.
Voltage Support: The VFD supports various voltage configurations, including single-phase 220V input/output, single-phase 220V input/three-phase 220V output, three-phase 220V input/three-phase 220V output, single-phase 220V input/three-phase 380V output, and three-phase 380V input/three-phase 380V output.