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Preface
Firmware Version 1.07
Thank you for choosing DELTA’s high-performance VFD-D D Series. The VFD-DD Series is
manufactured with high-quality components and materials and incorporate the latest microprocessor
technology available.
This manual is to be used for the installation, parameter setting, troubleshooting, and daily maintenance
of the AC motor drive. To guarantee safe operation of the equipment, read the following safety
guidelines before connecting power to the AC motor drive. Keep this operating manual at hand and
distribute to all users for reference.
To ensure the safety of operators and equipment, only qualified personnel familiar with AC motor drive
are to do installation, start-up and maintenance. Always read this manual thoroughly before using
VFD-M-D series AC Motor Drive, especially the WARNING, DANGER and CAUTION notes. Failure to
comply may result in personal injury and equipment damage. If you have any questions, please contact
your dealer.
PLEASE READ PRIOR TO INSTALLATION FOR SAFETY.
DANGER
; AC input power must be disconnected before any wiring to the AC motor drive is
made.
; A charge may still remain in the DC-link capacitors with hazardous voltages, when
the power is turned off.
; There are highly sensitive CMOS IC components on the printed circuit boards.
These components are especially sensitive to static electricity. To prevent damage
to these components, do not touch these components or the circuit boards with
metal objects or your bare hands.
; Ground the VFD-DD drive using the ground terminal. The grounding method must
comply with the local standard of the country which the drive is installed.
; VFD-DD series can only be used for variable speed control of 3-phase induction
motors, it should NOT be applied to 1-phase motors or other purpose.
; VFD-DD series is a specific drive for elevator door and other automatic door
control. It should not be installed in a location that may cause personal injury.
; To prevent personal injury, please keep children and unqualified people away from
the equipments.