Preface
Thank you for purchasing our dynamic braking unit (DB unit). This product is a device to discharge the braking
power to a resistor in a braking operation of the Fuji's inverter for general industry. The applicable inverter
models should be referred to Table A.
Read this manual carefully before using, understand the treatment method and use the DB unit correctly.
Incorrect use may result in obstruction of normal operation, shortening of the life or cause of failure. Keep this
manual carefully even after using.
As this manual does not cover the use of inverter, refer to relevant manuals for the inverter to be used.
Table A Applicable inverter models
Series
Model
General-purpose inverter
FRENIC5000 G5/P5,G7/P7,G9S/P9S,G11S/P11S series
FRENIC-Eco series
200V
Vector inverter FRENIC5000 VG3,VG5,VG7S series
General-purpose inverter
FRENIC5000 G9S/P9S,G11S/P11S series
FRENIC-Eco series
400V
Vector inverter FRENIC5000 VG5,VG7S series
As following the old model is applicable to DB unit by special tuning before shipment, please
contact your local distributor or nearest Fuji Electric's sales office.
Series
Model
200V Vector inverter FRENIC5000 VG series
General-purpose inverter
FRENIC5000 G5/P5, G7/P7 series 400V
Vector inverter FRENIC5000 VG,VG3 series
Safety instructions
Read this manual carefully before installing, connecting (wiring), operating, maintaining, or inspecting the DB
unit and use it correctly.
Familiarize yourself with all knowledge of the device, safety information and instructions before using.
In this manual, safety messages are classified as follows.
WARNING
Denotes operating procedures and practices that may result in personal injury or
loss of life if not correctly followed.
CAUTION
Denotes op
erating procedures and practices that may result in slight to medium
personal injury or property damage if not correctly followed.
Situation more serious than those covered by CAUTION will depend on prevailing circumstances.
Always follow the instructions as important contents are described in these.
Instruction on use
WARNING
・ This DB unit is designed to discharge the braking power to a resistor in a braking operation of the Fuji's
inverter for general industry. It cannot be used for others.
Fire may result.
・ This DB unit may not be used (as is) as a component of a life-support system or other medical device
directly affecting the personal welfare of the user.
・ This product is manufactured under strict quality control standards. However, safety equipment must be
installed if the failure of this device may result in heavy accident and/or property damage.
There is a risk of accident.
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