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Delta VFD022B43B

Delta VFD022B43B
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Preface
Thank you for choosing DELTA’s high-performance VFD-B Series. The VFD-B Series is manufactured with
high-quality components and materials and incorporate the latest microprocessor technology available.
This manual is to be used for the installation, parameter setting, troubleshooting, and daily maintenance of the
AC motor drive. To guarantee safe operation of the equipment, read the following safety guidelines before
connecting power to the AC motor drive. Keep this operating manual at hand and distribute to all users for
reference.
To ensure the safety of operators and equipment, only qualified personnel familiar with AC motor drive are to
do installation, start-up and maintenance. Always read this manual thoroughly before using VFD-B series AC
Motor Drive, especially the WARNING, DANGER and CAUTION notes. Failure to comply may result in
personal injury and equipment damage. If you have any questions, please contact your dealer.
PLEASE READ PRIOR TO INSTALLATION FOR SAFETY.
DANGER!
1. AC input power must be disconnected before any wiring to the AC motor drive is made.
2. A charge may still remain in the DC-link capacitors with hazardous voltages, even if the power has been
turned off. To prevent personal injury, please ensure that power has turned off before opening the AC
motor drive and wait ten minutes for the capacitors to discharge to safe voltage levels.
3. Never reassemble internal components or wiring.
4. The AC motor drive may be destroyed beyond repair if incorrect cables are connected to the input/output
terminals. Never connect the AC motor drive output terminals U/T1, V/T2, and W/T3 directly to the AC
mains circuit power supply.
5. Ground the VFD-B using the ground terminal. The grounding method must comply with the laws of the
country where the AC motor drive is to be installed. Refer to the Basic Wiring Diagram.
6. VFD-B series is used only to control variable speed of 3-phase induction motors, NOT for 1-phase motors
or other purpose.
7. VFD-B series shall NOT be used for life support equipment or any life safety situation.

Table of Contents

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Delta VFD022B43B Specifications

General IconGeneral
BrandDelta
ModelVFD022B43B
CategoryController
LanguageEnglish

Summary

Preface

PLEASE READ PRIOR TO INSTALLATION FOR SAFETY.

Critical safety guidelines and warnings before installing the AC motor drive. Essential for safe operation and preventing damage.

DANGER!

Critical safety warning indicating immediate hazards and essential precautions to prevent severe injury or equipment damage.

Chapter 2 Installation and Wiring

Chapter 3 Start Up

3.1 Preparations before Start-up

Lists crucial checks and preparations to perform before applying power and starting the AC motor drive.

Chapter 4 Digital Keypad Operation

Chapter 5 Parameters

Summary of Parameter Settings

Provides a comprehensive summary of all VFD-B parameters, categorized into groups for quick reference and understanding.

Description of Parameter Settings

Details specific parameter settings, including identity codes, current displays, and resets, with tables for voltage/frequency series.

Chapter 6 Fault Code Information

6.1 Common Problems and Solutions

Lists common fault names, descriptions, and corrective actions to troubleshoot and resolve issues with the AC motor drive.

6.2 Reset Procedures

Describes the three methods available to reset the AC motor drive after a fault condition has been resolved.

Chapter 7 Troubleshooting

7.1 Over Current (OC)

Provides a flowchart to diagnose and resolve over-current faults, including acceleration, deceleration, and steady-state conditions.

7.2 Ground Fault and Over Voltage (OV)

Outlines troubleshooting for ground faults and over-voltage issues, covering circuit checks, regeneration, and deceleration settings.

7.4 Low Voltage (Lv), Over Heat (OH), and Overload

Details troubleshooting for low voltage, over-heating, and overload faults, focusing on power supply, cooling, and load conditions.

Chapter 8 Maintenance and Inspections

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