Delta VFD-L Series User Manual

This manual will help in the installation, parameter setting, troubleshooting, and daily maintenance of the AC motor drive.

Brand: Delta
Document type: User Manual
Language: English
Pages: 16
File format: PDF
File size: 279 KB
Published: 08 May, 2012
Updated: 30 September, 2023
MD5 checksum: 8881D65E53F2B2A772DCF4EFAE46A4BC
PDF: Delta VFD-L Series User Manual PDF

About this manual

This manual covers the safe installation, wiring, configuration and daily maintenance of Delta's VFD-L series AC drives. It includes safety warnings, inspection steps, wiring diagrams, parameter tables, and fault‑diagnostic procedures.

Key sections describe grounding requirements, wiring codes, parameter programming, communication settings, and detailed troubleshooting guidance to help technicians set up and service the drives efficiently.

What's inside

Preface
Receiving and Inspection
Wiring
Summary of Parameters
Troubleshooting and Fault Information
Standard Specifications

Specifications

Voltage Class	115V / 230V
Control System	SVPWM (Sinusoidal Pulse Width Modulation)
Output Frequency Resolution	0.1 Hz

Frequently asked questions

How should the VFD‑L be grounded?

Ground the VFD‑L using the ground terminal and follow the grounding regulations of the installation country.

What wiring precautions must be observed when connecting the VFD‑L?

Do not connect the AC input to the output terminals U/T1, V/T2, W/T3, tighten all screws to the proper torque, and follow national wiring codes.

How can a fault be cleared on the VFD‑L?

Press the Reset key on the keypad (or the corresponding input terminal) to clear the fault.

What is the supported frequency range of the VFD‑L?

The drive operates from 1.0 Hz up to 400 Hz.

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