Chapter 1 Introduction; Getting Started - Delta VFD-A Series User Manual

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Introduction
Congratulations on your purchase of the DELTA VFD-A series AC motor drive. The VFD series is a
high-performance / low noise general-purpose AC motor drive, manufactured using high-quality
components and incorporating the latest micro-processor technology available.
The purpose of this chapter is to provide specific, yet simple information to unpack, install, and
operate the AC drive. This chapter contains information on the following:

Getting Started

This manual will help in the installation, parameter setting, troubleshooting, and maintenance of
the AC drive. To guarantee safe operation of the equipment, read the following safety guidelines
before connecting the drive to the AC power line. Keep this manual in a place where it is available
to all users for their reference.
Warning! To avoid personal injury, do not remove the cover of the AC motor drive until all of the
!
digital keypad "DISPLAY LED" lamps are off. The DC-link capacitor remains charged with a
hazardous voltage even after input power is removed.
! Warning! Do not connect or disconnect wires and connectors while power is applied to the circuit.
All connections should be performed by qualified personnel.
Attention:
!
ground terminal.
Attention:
!
requirements of EN 50178. ( Live parts shall be arranged in enclosures or located behind barriers
that meet at least the requirements of the Protective Type IP20; Top surfaces of enclosures or
barriers that are easily accessible shall meet at least the requirements of the Protective Type IP40
)
There are highly sensitive components on the printed circuit boards. These components
Caution:
!
are especially sensitive to ESD (electrostatic discharge). To avoid damage to the drive, do not
touch components or the circuit boards until all static control precautions have been taken.
Never connect the main circuit output terminals U, V, and W directly to the AC main
Caution:
!
circuit power supply as this will damage the drive.
Do not apply the antirust to screws for fastening drives; Please clean the drives and
Caution:
!
screws with dry cloth or alcohol, not with synthetic cleaner. Fasten the screws with washers and
rated torque lest the enclosure corners of drives be distorted.
This manual is for DELTA AC Motor Drive VFD-A and VFD-H Series. For the frequency in Pr.03,
Pr.04, Pr.06, Pr.16, Pr.17, Pr.18, Pr.19, Pr.20, Pr.21, Pr.22, Pr.23, Pr.36, Pr.37, Pr.47, Pr.67, Pr.68
and Pr.69, VFD-A Series can be regulated up to 400Hz and VFD-H Series up to 1500Hz.
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Getting Started
Receiving, Transportation, and Storage
Nameplate Information
Identification of Components and Accessories
Grounding the VFD-A drive is done by connecting the Earth Ground to the drive
The final enclosure for operating the AC Motor Drive must comply with the
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