This document is an instruction manual for the Delta high-performance and simple AC motor drive VFD-L series. The VFD-L series is manufactured using high-quality components, materials, and the latest microcomputer control technology. This manual provides installation, parameter setting, abnormal diagnosis, troubleshooting, and daily maintenance notes for the AC motor drive. To ensure correct installation and operation of the AC motor drive, please read this manual carefully before installation and keep it properly and hand it over to the user of the machine.
This document provides detailed safety warnings, wiring diagrams, and connection instructions for the Delta VFD‑L series variable frequency drives. It covers power‑input requirements, terminal assignments, and grounding procedures to ensure correct installation.
The manual also describes parameter settings, operation modes, and troubleshooting steps, including fault codes and recommended adjustments. Technical specifications such as input voltage, output power and frequency range are listed for each model in the series. This manual is written in Japanese.
| Input Voltage | 1‑phase 9.7 A / 3‑phase 5.1 A, 200‑240 V, 50‑60 Hz |
|---|---|
| Output Voltage | 3‑phase 0‑240 V, 4.2 A, 1.6 kVA, 1 HP |
| Frequency Range | 0‑400 Hz |
| Power Rating | 1 HP (0.75 kW) |
The VFD‑L supports 1‑phase 230 V (9.7 A) and 3‑phase 200‑240 V (5.1 A) at 50‑60 Hz.
Connect the AC source to terminals U/T1, V/T2 and W/T3 and ensure proper grounding as shown in the wiring diagram.
The drive can operate up to 400 Hz.
Do not connect the AC input to the wrong terminals, use the correct wire gauge, and follow grounding requirements to avoid damage.