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Mitsubishi Electric F800-E Series Instruction Manual Page 3

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Transportation and Mounting
 The storage temperature (applicable for a short time, e.g. during
transit) must be between -20 and +65°C. Otherwise the inverter
may be damaged.
 The inverter must be used indoors (without corrosive gas,
flammable gas, oil mist, dust and dirt etc.) Otherwise the inverter
may be damaged.
 The inverter must be used at an altitude of 2500 m or less above
sea level, with 2.9 m/s
or less vibration at 10 to 55 Hz
(directions of X, Y, Z axes). Otherwise the inverter may be
damaged. (Refer to
page 17
 If halogen-based materials (fluorine, chlorine, bromine, iodine,
etc.) infiltrate into a Mitsubishi product, the product will be
damaged. Halogen-based materials are often included in
fumigant, which is used to sterilize or disinfest wooden
packages. When packaging, prevent residual fumigant
components from being infiltrated into Mitsubishi products, or
use an alternative sterilization or disinfection method (heat
disinfection, etc.) for packaging. Sterilization of disinfection of
wooden package should also be performed before packaging
the product.
 Do not install a power factor correction capacitor or surge
suppressor/capacitor type filter on the inverter output side.
These devices on the inverter output side may be overheated or
burn out.
 The output side terminals (terminals U, V, and W) must be
connected correctly. Otherwise the motor will rotate inversely.
 PM motor terminals (U, V, W) hold high-voltage while the PM
motor is running even after the power is turned OFF. Before
wiring, the PM motor must be confirmed to be stopped.
Otherwise you may get an electric shock.
 Never connect a PM motor to the commercial power supply.
Applying the commercial power supply to input terminals (U,V,
W) of a PM motor will burn the PM motor. The PM motor must
be connected with the output terminals (U, V, W) of the inverter.
Trial run
 Before starting operation, each parameter must be confirmed
and adjusted. A failure to do so may cause some machines to
make unexpected motions.
 Everyone must stay away from the equipment when the retry
function is set as it will restart suddenly after a trip.
 Since pressing the STOP/RESET key may not stop output
depending on the function setting status, separate circuit and
switch that make an emergency stop (power OFF, mechanical
brake operation for emergency stop, etc.) must be provided.
 OFF status of the start signal must be confirmed before resetting
the inverter fault. Resetting inverter fault with the start signal ON
restarts the motor suddenly.
 Do not use a PM motor for an application where the PM motor is
driven by its load and runs at a speed higher than the maximum
motor speed.
 Use this inverter only with three-phase induction motors or with a
PM motor. Connection of any other electrical equipment to the
inverter output may damage the equipment.
 Do not modify the equipment.
 Do not perform parts removal which is not instructed in this
manual. Doing so may lead to fault or damage of the product.
Safety Instructions
for details.)
 The electronic thermal relay function does not guarantee
protection of the motor from overheating. It is recommended to
install both an external thermal and PTC thermistor for overheat
 Do not use a magnetic contactor on the inverter input for
frequent starting/stopping of the inverter. Otherwise the life of the
inverter decreases.
 The effect of electromagnetic interference must be reduced by
using a noise filter or by other means. Otherwise nearby
electronic equipment may be affected.
 Appropriate measures must be taken to suppress harmonics.
Otherwise power supply harmonics from the inverter may heat/
damage the power factor correction capacitor and generator.
 When driving a 600V class motor by the inverter, the motor must
be an insulation-enhanced motor or measures must be taken to
suppress surge voltage. Surge voltage attributable to the wiring
constants may occur at the motor terminals, deteriorating the
insulation of the motor.
 When parameter clear or all parameter clear is performed, the
required parameters must be set again before starting
operations because all parameters return to their initial values.
 The inverter can be easily set for high-speed operation. Before
changing its setting, the performances of the motor and machine
must be fully examined.
 Stop status cannot be hold by the inverter's brake function. In
addition to the inverter's brake function, a holding device must
be installed to ensure safety.
 Before running an inverter which had been stored for a long
period, inspection and test operation must be performed.
 Static electricity in your body must be discharged beforeyou
touch the product.
 Only one PM motor can be connected to an inverter.
 A PM motor must be used under PM motor control. Do not use a
synchronous motor, induction motor, or synchronous induction
 Do not connect a PM motor in the induction motor control
settings (initial settings). Do not use an induction motor in the
PM motor control settings. It will cause a failure.
 In the system with a PM motor, the inverter power must be
turned ON before closing the contacts of the contactor at the
output side.
 In order to protect the inverter and the system against
unauthorized access by external systems via network, take
security measures including firewall settings.
 Depending on the network environment, the inverter may not
operate as intended due to delays or disconnection in
communication. Carefully consider the conditions and safety for
the inverter on site.
Emergency stop
 A safety backup such as an emergency brake must be provided
to prevent hazardous conditions to the machine and equipment
in case of inverter failure.
 When the breaker on the inverter input side trips, the wiring must
be checked for fault (short circuit), and internalparts of the
inverter for a damage, etc. The cause of the trip must be
identified and removed before turning ON the power of the
 When a protective function activates, take an appropriate
corrective action, then reset the inverter, and resume the
Maintenance, inspection and parts replacement
 Do not carry out a megger (insulation resistance) test on the
control circuit of the inverter. It will cause a failure.
 The inverter must be treated as industrial waste.
General instruction
 Many of the diagrams and drawings in the Instruction Manual
show the product without a cover or partially open for
explanation. Never operate the product in this manner. The
cover must be always reinstalled and the instruction in the
Instruction Manual must be followed when operating the product.
For more details on the PM motor, refer to the Instruction Manual
of the PM motor.


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