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Mitsubishi Electric 800 Series Assembly & Installation Manuallines page 4

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Additional Instructions
The following instructions must be also followed. If the product is handled incorrectly, it may cause unexpected fault, an injury, or an electric
shock.
Transportation and installation
Any person who is opening a package using a sharp object, such as a knife and cutter, must wear gloves to prevent injuries caused by the edge
of the sharp object.
The product must be transported in correct method that corresponds to the weight. Failure to do so may lead to injuries.
Do not stand or rest heavy objects on the product.
Do not stack the inverter boxes higher than the number recommended.
When carrying the inverter, do not hold it by the front cover or setting dial; it may fall off or fail.
During installation, caution must be taken not to drop the inverter as doing so may cause injuries.
Ensure that installation position and material can withstand the weight of the inverter. Install according to the information in the instruction
manual.
Do not install the product on a hot surface.
Check the inverter mounting orientation is correct.
The inverter must be installed on a strong surface securely with screws so that it will not drop.
Do not install or operate the inverter if it is damaged or has parts missing. This can result in breakdowns.
Prevent other conductive bodies such as screws and metal fragments or other flammable substance such as oil from entering the inverter.
As the inverter is a precision instrument, do not drop or subject it to impact.
Use the inverter under the following environmental conditions. Otherwise, the inverter may be damaged.
Operating condition
Surrounding air
temperature
Ambient humidity
Storage temperature
Atmosphere
Altitude
Vibration
*1
Temperature applicable for a short time, e.g. in transit.
*2
For the installation at an altitude above 1,000 m, derate the rated current 3% per 500 m.
If halogen-based materials (fluorine, chlorine, bromine, iodine, etc.) infiltrate into a Mitsubishi Electric product, the product will be damaged.
Halogen-based materials are often included in fumigant, which is used to sterilize or disinfect wooden packages. When packaging, prevent
residual fumigant components from being infiltrated into Mitsubishi Electric 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.
To prevent a failure, do not use the inverter with a part or material containing halogen flame retardant including bromine.
Wiring
Do not install assemblies or components (e. g. power factor correction capacitors) on the inverter output side, which are not approved from
Mitsubishi Electric. These devices on the inverter output side may be overheated or burn out.
The direction of rotation of the motor corresponds to the direction of rotation commands (STF/STR) only if the phase sequence (U, V, W) is
maintained.
Test operation and adjustment
Before starting operation, confirm and adjust the parameters. A failure to do so may cause some machines to make unexpected motions.
Operation
When you have chosen the retry function, stay away from the equipment as it will restart suddenly after an alarm stop.
Since pressing the
key may not stop output depending on the function setting status, provide a circuit and switch separately to make an
emergency stop (power off, mechanical brake operation for emergency stop, etc).
Make sure that the start signal is off before resetting the inverter alarm. A failure to do so may restart the motor suddenly.
Performing pre-excitation (LX signal and X13 signal) under torque control (Real sensorless vector control) may start the motor running at a low
speed even when the start command (STF or STR) is not input The motor may run also at a low speed when the speed limit value = 0 with a
start command input. It must be confirmed that the motor running will not cause any safety problem before performing pre-excitation.
The inverter can be started and stopped via the serial port communications link or the field bus. However, please note that depending on the
settings of the communications parameters it may not be possible to stop the system via these connections if there is an error in the
communications system or the data line. In configurations like this it is thus essential to install additional safety hardware that makes it
possible to stop the system in an emergency (e.g. controller inhibit via control signal, external motor contactor etc). Clear and unambiguous
warnings about this must be posted on site for the operating and service staff.
Use this inverter only with three-phase induction motors. Connection of any other electrical equipment to the inverter output may damage
the inverter as well as 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 inverter.
FR-A870-E
–10 °C to +40 °C (non-freezing)
95% RH (non-condensing) (With circuit board coating (conforming to IEC60721-3-3 3C2/3S2))
90% RH (non-condensing) (Without circuit board coating)
*1
-20 °C to +65 °C
Indoors (without corrosive gas, flammable gas, oil mist, dust and dirt, etc.)
*2
Maximum 4,000 m
2
2.9 m/s
at 10 to 55 Hz (directions of X, Y, Z axes)
CAUTION
CAUTION
CAUTION
WARNING

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Fr-a800-eFr-a870-02300-eFr-a870-02860-e