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Mitsubishi Electric FR-A520-0.4K -55K Instruction Manual Page 5

Transistorized inverter, high function & low acoustic noise.
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4. Additional instructions
Also note the following points to prevent an accidental failure, injury, electric shock, etc.:
(1) Transportation and installation
z
When carrying products, use correct lifting gear to prevent injury.
z
Do not stack the inverter boxes higher than the number recommended.
z
Ensure that installation position and material can withstand the weight of the inverter. Install
according to the information in the Instruction Manual.
z
Do not operate if the inverter is damaged or has parts missing.
z
Do not hold the inverter by the front cover; it may fall off.
z
Do not stand or rest heavy objects on the inverter.
z
Check the inverter mounting orientation is correct.
z
Prevent screws, wire fragments, conductive bodies, oil or other flammable substances from entering
the inverter.
z
Do not drop the inverter, or subject it to impact.
z
Use the inverter under the following environmental conditions:
Ambient temperature
Ambient humidity
Storage temperature
Ambience
Altitude, vibration
••*Temperatures applicable for a short time, e.g. in transit.
(2) Wiring
z
Do not fit capacitive equipment such as a power factor correction capacitor, noise filter or surge
suppressor to the output of the inverter.
z
The connection orientation of the output cables U, V, W to the motor will affect the direction of
rotation of the motor.
(3) Trial run
z
Check all parameters, and ensure that the machine will not be damaged by a sudden start-up.
(4) Operation
z
When you have chosen the retry function, stay away from the equipment as it will restart suddenly
after an alarm stop.
z
The [STOP] key is valid only when the appropriate function setting has been made. Prepare an
emergency stop switch separately.
z
Make sure that the start signal is off before resetting the inverter alarm. A failure to do so may restart
the motor suddenly.
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CAUTION
Constant torque: -10°C to +50°C (14°F to 122°F) (non-freezing)
(-10°C to +40°C with FR-A5CV
Variable torque:
-10°C to +40°C (14°F to 104°F) (non-freezing)
(-10°C to +30°C with FR-A5CV
90%RH or less (non-condensing)
-20°C to +65°C* (-4°F to 149°F)
Indoors (free from corrosive gas, flammable gas, oil mist, dust and dirt)
Maximum 1000m (3280.80 feet.) above sea level for standard operation.
After that derate by 3% for every extra 500m up to 2500m (91%).
CAUTION
CAUTION
CAUTION
A - 3
UU
attachment)
UU
attachment)

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