MD280/MD280N User Manual Safety and Precautions
11
screws marked in RED.
Caution
z Do not drop the lead wire stub or screw in the inverter.
Otherwise it may damage the inverter.
z Please install the driver in the place where there is no direct
sunlight or no vibratory.
z When more than two inverters are to be installed in one
cabinet, due attention shall be paid to the installation locations
(refer to Chapter 3 Mechanical and Electrical Installation to ensure
the heat sinking effect.
1.1.3 During wiring:
Danger
z Operation shall be performed by the professional engineering
technician. Otherwise there will be danger of electric shock.
z There shall be circuit breaker between the inverter and power
supply. Otherwise, there may be fire.
z Make sure the power is disconnected prior to the connection.
Otherwise there will be danger of electric shock.
z The earth terminal shall be earthed reliably. Otherwise there
may be danger of electric shock.
Danger
z Do not connect the input power cable to the output ends U, V
and W. Otherwise it may damage the inverter.
z Ensure the wiring meet the EMC requirements and the local
safety standard. The wire size shall be determined according to
the manual. Otherwise, accident may be caused!
z The brake resistor cannot be directly connected between the
DC bus terminals (+) and (-). Otherwise it may cause fire.
z The shiled wire should be used for encoder, and the shielding
layer shall be earthed reliably.
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