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Mitsubishi Electric FR-E720-0.1K(SC) Instruction Manual Page 2

Fr-e700 series.
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Thank you for choosing this Mitsubishi Inverter.
This Instruction Manual (applied) provides instructions for advanced use of the FR-E700 series inverters.
Incorrect handling might cause an unexpected fault. Before using the inverter, always read this Instruction Manual
and the instruction manual (basic) [IB-0600276ENG] packed with the product carefully to use the equipment to its
optimum performance.
This section is specifically about safety matters
Do not attempt to install, operate, maintain or inspect the
inverter until you have read through the Instruction Manual
and appended documents carefully and can use the
equipment correctly. Do not use this product until you have
a full knowledge of the equipment, safety information and
instructions.
In this Instruction Manual, the safety instruction levels are
classified into "WARNING" and "CAUTION".
Incorrect handling may cause
WARNING
hazardous conditions, resulting in
death or severe injury.
Incorrect handling may cause
CAUTION
hazardous conditions, resulting in
medium or slight injury, or may cause
only material damage.
CAUTION
The
level may even lead to a serious
consequence according to conditions. Both instruction
levels must be followed because these are important to
personal safety.
1. Electric Shock Prevention
WARNING
While power is ON or when the inverter is running, do not
open the front cover. Otherwise you may get an electric
shock.
Do not run the inverter with the front cover or wiring cover
removed. Otherwise you may access the exposed high-
voltage terminals or the charging part of the circuitry and
get an electric shock.
Even if power is OFF, do not remove the front cover
except for wiring or periodic inspection. You may
accidentally touch the charged inverter circuits and get an
electric shock.
Before wiring or inspection, power must be switched OFF.
To confirm that, LED indication of the operation panel
must be checked. (It must be OFF.) Any person who is
involved in wiring or inspection shall wait for at least 10
minutes after the power supply has been switched OFF
and check that there are no residual voltage using a tester
or the like. The capacitor is charged with high voltage for
some time after power OFF, and it is dangerous.
This inverter must be earthed (grounded). Earthing
(grounding) must conform to the requirements of national
and local safety regulations and electrical code (NEC section
250, IEC 536 class 1 and other applicable standards).
A neutral-point earthed (grounded) power supply for 400V
class inverter in compliance with EN standard must be used.
Any person who is involved in wiring or inspection of this
equipment shall be fully competent to do the work.
The inverter must be installed before wiring. Otherwise
you may get an electric shock or be injured.
Setting dial and key operations must be performed with
dry hands to prevent an electric shock.
Do not subject the cables to scratches, excessive stress,
heavy loads or pinching. Otherwise you may get an
electric shock.
Do not change the cooling fan while power is ON. It is
dangerous to change the cooling fan while power is ON.
Do not touch the printed circuit board or handle the
cables with wet hands. Otherwise you may get an electric
shock.
When measuring the main circuit capacitor capacity, the
DC voltage is applied to the motor for 1s at powering OFF.
Never touch the motor terminal, etc. right after powering
OFF to prevent an electric shock.
2. Fire Prevention
CAUTION
Inverter must be installed on a nonflammable wall without
holes (so that nobody touches the inverter heatsink on the
rear side, etc.). Mounting it to or near flammable material
can cause a fire.
If the inverter has become faulty, the inverter power must
be switched OFF. A continuous flow of large current could
cause a fire.
When using a brake resistor, a sequence that will turn OFF
power when a fault signal is output must be configured.
Otherwise the brake resistor may overheat due to damage
of the brake transistor and possibly cause a fire.
Do not connect a resistor directly to the DC terminals P/+
and N/-. Doing so could cause a fire.
3.Injury Prevention
CAUTION
The voltage applied to each terminal must be the ones
specified in the Instruction Manual. Otherwise burst,
damage, etc. may occur.
The cables must be connected to the correct terminals.
Otherwise burst, damage, etc. may occur.
Polarity must be correct. Otherwise burst, damage, etc.
may occur.
While power is ON or for some time after power-OFF, do
not touch the inverter as they will be extremely hot. Doing
so can cause burns.
4. Additional Instructions
Also the following points must be noted to prevent an
accidental failure, injury, electric shock, etc.
(1) Transportation and Mounting
CAUTION
The product must be transported in correct method that
corresponds to the weight. Failure to do so may lead to
injuries.
Do not stack the boxes containing inverters higher than
the number recommended.
The product must be installed to the position where
withstands the weight of the product according to the
information in the Instruction Manual.
Do not install or operate the inverter if it is damaged or
has parts missing.
When carrying the inverter, do not hold it by the front
cover or setting dial; it may fall off or fail.
Do not stand or rest heavy objects on the product.
The inverter mounting orientation must be correct.
Foreign conductive objects must be prevented from
entering the inverter. That includes screws and metal
fragments or other flammable substance such as oil.
As the inverter is a precision instrument, do not drop or
subject it to impact.
The inverter must be used under the following
environment. Otherwise the inverter may be damaged.
Surrounding
-10°C to +50°C (non-freezing)
air
(-10°C to +40°C for totally-enclosed structure
temperature
feature)
Ambient
90%RH or less (non-condensing)
humidity
Storage
-20°C to +65°C *1
temperature
Indoors (free from corrosive gas, flammable gas,
Atmosphere
oil mist, dust and dirt)
Maximum 1,000m above sea level.
Altitude/
2
5.9m/s
or less at 10 to 55Hz (directions of X, Y, Z
vibration
axes)
∗1 Temperature applicable for a short time, e.g. in transit.
A-1

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