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Delta Electronics AC Motor Drive VFD-EL User Manual

Delta Electronics AC Motor Drive VFD-EL
209 pages
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Table of Contents

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Delta Electronics AC Motor Drive VFD-EL Specifications

General IconGeneral
Input Frequency50/60 Hz
Control MethodV/F control
IP RatingIP20
HumidityLess than 90% RH (non-condensing)
Output Voltage0 to Input Voltage
Overload Capacity150% for 60 seconds
Braking UnitBuilt-in
Protection FunctionsOver voltage, Over current, Under voltage, Over temperature, Short circuit
CommunicationRS-485 (Modbus)
Digital Output1 (Relay output)
Analog Output1 (0 to 10 VDC)
Operating Temperature-10°C to +50°C
Storage Temperature-20°C ~ +60°C
Altitude1000m (Derating required above 1000m)
Input Voltage1-phase 200 ~ 240VAC, 3-phase 200 ~ 240VAC, 3-phase 380 ~ 480VAC
Output Frequency0.1 to 600 Hz
Power Range0.2 kW ~ 3.7 kW
Digital Inputs5 programmable digital inputs
Analog Input2 (0-10V, 4-20mA)

Summary

Preface

Chapter 2 Installation and Wiring

2.1 Wiring

Explains the fundamental principles and precautions for connecting wires to the AC motor drive's terminals.

Chapter 3 Keypad and Start Up

Chapter 5 Troubleshooting

5.1 Over Current (OC)

Details the causes and troubleshooting steps for over-current faults in the AC motor drive.

5.2 Ground Fault

Provides troubleshooting guidance for ground fault issues, including checking output circuits and grounding.

5.3 Over Voltage (OV)

Outlines steps to diagnose and resolve over-voltage conditions, including checking DC bus voltage and deceleration settings.

5.4 Low Voltage (Lv)

Guides users through troubleshooting low voltage faults, checking input power, and ensuring proper voltage specifications.

5.5 Over Heat (OH1)

Addresses overheating issues by guiding checks on heatsink temperature, cooling fan, and ambient conditions.

5.6 Overload

Provides troubleshooting steps for overload faults, including checking motor loading and parameter settings.

5.7 Keypad Display is Abnormal

Offers solutions for issues related to an abnormal or non-functional keypad display on the AC motor drive.

5.8 Phase Loss (PHL)

Details troubleshooting procedures for phase loss faults, focusing on wiring and input voltage checks.

5.9 Motor cannot Run

Provides a comprehensive flowchart for diagnosing why the motor is not running, covering keypad, inputs, and settings.

5.10 Motor Speed cannot be Changed

Offers troubleshooting steps for issues where the motor speed cannot be adjusted as expected.

5.11 Motor Stalls during Acceleration

Guides users through diagnosing and resolving motor stalling issues during the acceleration phase.

5.12 The Motor does not Run as Expected

Provides troubleshooting steps when the motor's performance deviates from the expected operation.

Chapter 6 Fault Code Information and Maintenance

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