Hitachi L100-004 HFE Manual

P
lease read this manual carefully before you install and operate an L100 series inverter and observe all of
the instructions given in there. This manual may also serve as a reference guide und therefore should always
be kept at hand.
Symbols used
There are several safety instructions in this manual which are marked with a special hazard alert symbol
(flash or exclamation mark in the center of a triangle). Additionally, either the word CAUTION or
WARNING is added following the triangle with the exclamation mark.
This symbol means hazardous high voltage. It is used to call your attention to items or operations
that could be dangerous to your or other persons life. Please read the safety message carefully and
follow all the instructions given.
This symbol is used to call your attention to situations which are potentially dangerous to persons.
Please read the safety message carefully and follow all the instructions given.
The safety messages given following this symbol are further divided into two categories:
WARNING
CAUTION
HAZARDOUS HIGH VOLTAGE
Motor control equipment or electronic controllers are connected to hazardous line
voltages. When servicing drives and electronic controllers there migh exist exposed
components with cases ore protrusions at or above line potential. Extreme care should
be taken to protect against shock.
For these reasons, the following safety guidelines should be observed:
Stand on an insulating pad and make it a habit to use only one hand when checking
components. Disconnect power before checking controllers or performing
maintenance. Be sure that equipment is grounded properly. Wear safety glasses
whenever working on an electronic controller or rotating electrical equipment.
WARNING This equipment should be installed, adjusted and serviced only by qualified electrical
maintenace personell familiar with the construction and operation of the equipment
and the hazards involved. Failure to observe this precaution could result in bodily
injury.
WARNING The user is responsible that all driven machinery, drive train mechanism not supplied
by Hitachi, Ltd., and process line material are capable of safe operation at an applied
frequency of 150% of the maximum selected frequency range to the AC motor. Failure
to do so can result in destruction of equipment and injury to personnell should a single
point failure occur.
WARNING HAZARD OF ELECTRICAL SHOCK. DISCONNECT INCOMING POWER
BEFORE WORKING ON THIS CONTROL.
WARNING SEPERATE MOTOR OVERLOAD AND OVERCURRENT PROTECTION
DEVICES ARE REQUIRED TO BE PROVIDED IN ACCORDANCE WITH THE
SAFETY CODES REQUIRED BY JURISDICTIONAL AUTHORITIES.
CAUTION These instructions should be read and clearly understood before working on L100
series equipment.
CAUTION Proper grounds, disconnecting devices (e.g. fuses) and other safety devices and their
location are the responsibility of the user and are not provided by Hitachi, Ltd.
CAUTION DANGEROUS VOLTAGE EXISTS UNTIL THE POWER LIGHT ON THE
DIGITAL OPERATOR IS OFF.
CAUTION Rotating shafts and electrical potentials above ground level can be hazardous.
Therefore it is strongly recommended that all electrical work conform to the national
This message indicates a situation which may lead to serious injury or even
death if the instruction is not observed.
This message indicates a situation which may lead to minor or moderate
injury, or damage of product.