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Delta VFD-B User Manual

Delta VFD-B
239 pages
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A..:LT"
DELTA
ELEC11U)NICS,
INC
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h-
-
Pawer
Range:
3-phase
230V
aerlN:
0. 76-37kW{1.0-60HP)
3-phaae
460V
aerlN:
0. 76-76kW{1.0-tOOHP)
3-phaae
676V
aerlN:
0.76-76kW{1.0-tOOHP)

Table of Contents

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Delta VFD-B Specifications

General IconGeneral
SeriesVFD-B
Power Range0.4kW to 15kW
Control MethodV/F Control, Sensorless Vector Control
Overload Capacity150% for 60 seconds
Braking UnitBuilt-in
CommunicationRS-485
Protection FeaturesOver-voltage, Over-current, Overheat, Under-voltage, Ground fault, Short circuit

Summary

Chapter 1 Introduction

1.3 Preparation for Installation and Wiring

Steps and considerations for preparing the AC motor drive before installation and wiring.

Chapter 2 Installation and Wiring

2.2 Installation

Guidelines for the proper vertical mounting and space requirements for heat dissipation.

2.4 Wiring

General wiring information and precautions, including applicable codes and safety guidelines.

2.4.1 Basic Wiring

Essential steps and safety precautions for basic wiring of the AC motor drive.

2.4.2 External Wiring

Diagram and explanation of external components and their wiring connections.

2.4.3 Main Terminals Connections

Details on connecting the mains power and control terminals of the AC motor drive.

2.4.4 Control Terminals

Explanation of digital input and output terminals, their functions, and factory settings.

2.4.5 Main Circuit Terminals

Specifications and diagrams for connecting main circuit terminals across different drive frames.

Chapter 3 Start Up

3.1 Preparations before Start-up

Crucial checks and preparations required before applying power to the AC motor drive.

3.3 Trial Run

Steps for performing a trial run to verify correct operation after installation.

Chapter 4 Digital Keypad Operation

4.1 Description of the Digital Keypad VFD-PU01

Detailed description of the VFD-PU01 digital keypad, including keys and display messages.

4.2 How to Operate the Digital Keypad VFD-PU01

Step-by-step guide on navigating menus, setting parameters, and modifying data on the keypad.

Chapter 5 Parameters

5.1 Summary of Parameter Settings

Comprehensive list of VFD-B parameters organized by group, with explanations and factory settings.

5.2 Parameter Settings for Applications

Guidance on selecting parameters for specific applications like speed search and DC brake.

5.3 Description of Parameter Settings

Detailed explanations and tables for user parameters, basic parameters, and others.

Chapter 6 Fault Code Information

6.1 Common Problems and Solutions

Table listing common fault codes, descriptions, and corrective actions for troubleshooting.

6.2 Reset

Describes the three methods available to reset the AC motor drive after resolving a fault.

Chapter 7 Troubleshooting

7.1 Over Current (OC)

Flowchart to diagnose and resolve over-current faults (ocA, ocd, OC).

7.2 Ground Fault

Troubleshooting steps for ground fault (GFF) issues.

7.3 Over Voltage (OV)

Diagnostic flowchart for over-voltage (OV) faults.

7.4 Low Voltage (Lv)

Troubleshooting guide for low voltage (Lv) faults.

7.5 Over Heat (OH)

Steps to diagnose and resolve overheating (OH) issues.

7.6 Overload

Troubleshooting procedure for overload (OL, OL1, OL2) faults.

7.8 Phase Loss (PHL)

Troubleshooting steps for phase loss (PHL) faults.

7.9 Motor cannot Run

Diagnostic flowchart for when the motor fails to run.

7.11 Motor Stalls during Acceleration

Steps to diagnose and resolve motor stalling issues during acceleration.

Chapter 8 Maintenance and Inspections

DANGER!

Critical safety warnings and precautions for maintenance personnel.

Appendix C How to Select the Right AC Motor Drive

C.1 Capacity Formulas

Formulas and calculations for determining the appropriate AC motor drive capacity for single/multiple motors.

C.2 General Precaution

Important precautions regarding AC Motor Drive selection, installation, and parameter settings.

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