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Operating Instructions – Explosion-Proof AC Motors DR63/eDR63, DVE250/280
7
Before startup
Startup
7Startup
• Use switch contacts in utilization category AC-3 according to EN 60947-4-1 for
switching the motor.
• When motors are powered by inverters, you must adhere to the wiring instructions
issued by the inverter manufacturer.
• Observe the operating instructions of the inverter.
7.1 Before startup
Before startup, make sure that:
• The drive is undamaged and not blocked
• The measures described in chapter "Preliminary work" are performed after an ex-
tended storage period
• All connections have been made properly
• The direction of rotation of the motor/gearmotor is correct
– (motor rotating clockwise: U, V, W to L1, L2, L3)
• All protective covers have been properly installed
• All motor protection equipment is active and set for the rated motor current
• The self-reengaging manual brake release is used for hoist drives
• There are no other sources of danger.
INFORMATION
• Only qualified personnel is allowed to start up and operate the motors ob-
serving the applicable accident prevention regulations and the information in
these operating instructions.
WARNING
Danger of electric shock.
Severe or fatal injuries!
Observe the following notes.
CAUTION
The surface temperatures on the drive can be very high during operation.
Danger of burns.
• Let the motor cool down before you start your work.
NOTICE
Limit the maximum speed and current at the inverter. For information on the proce-
dure, refer to the documentation of the inverter.
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