Mitsubishi FREQROL-E700, Manual

Page: 4 / 108

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".
:$51,1*
Incorrect handling may cause hazard-
ous conditions, resulting in death or
severe injury.
&$87,21
Incorrect handling may cause hazardous
conditions, resulting in medium or slight
injury, or may cause only material damage.
The
&$87,21
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
:$51,1*
● 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 access 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.
● M Dial and key operations must be performed with dry hands
to prevent an electric shock. Otherwise you may get an elec-
tric 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 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
&$87,21
● 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 excessively overheat due to
damage of the brake transistor and such, causing a fire.
● Do not connect a resistor directly to the DC terminals P/+ and
N/-. Doing so could cause a fire.
3. Injury prevention
&$87,21
● 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 ac-
cidental failure, injury, electric shock, etc.
(1) Transportation and mounting
&$87,21
● The product must be transported in correct method that cor-
responds 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
M 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 bodies must be prevented to enter 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 air
temperature
-10°C to +50°C (non-freezing)
(-10°C to +40°C for totally-enclosed
structure feature)
Ambient humidity 90%RH or less (non-condensing)
Storage temperature -20°C to +65°C
*1
Atmosphere Indoors (free from corrosive gas,
flammable gas,
oil mist, dust and dirt)
Altitude/vibration Maximum 1,000m above sea level.
5.9m/s 2 or less at 10 to 55Hz (direc-
tions of X, Y, Z axes)
*1 Temperature applicable for a short time, e.g. in transit.
Environment