Danfoss VACON 1000 Operating Manual page 12

Operating Guide | VACON® 1000
2.3 Safety Precautions
SHOCK HAZARD FROM POWER UNIT COMPONENTS
The power unit components are live when the drive is connected to mains. Contact with the voltage can result
in death or serious injury.
Do not touch the components of the power unit when the drive is connected to mains.
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Do not work on live equipment.
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Before doing any work on internal drive components, follow proper lock out and tag out procedure.
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Before connecting the drive to mains, make sure that all covers are installed on the drive, and the cabinet
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doors are closed.
SHOCK HAZARD FROM TERMINALS
The motor terminals U, V, and W, and the DC terminals must be treated as live when the drive is connected to
mains. Contact with voltage can lead to death or serious injury.
Do not touch the motor terminals U, V, and W, and the DC terminals when the drive is connected to mains.
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Do not work on live equipment.
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Before doing any work on internal drive components, follow proper lock out and tag out procedure.
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Before connecting the drive to mains, make sure that all covers are installed on the drive, and the cabinet
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doors are closed.
SHOCK HAZARD FROM DC LINK OR EXTERNAL SOURCE
The terminal connections and the components of the drive can be live several minutes after the drive is
disconnected from the mains and the motor has stopped. The load side of the drive can also generate voltage.
Contact with voltage can lead to death or serious injury.
Do not touch the main circuit of the drive or the motor before the system is powered off and grounded.
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Disconnect the drive from the mains and ensure that the motor has stopped.
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Disconnect the motor.
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Lock out and tag out the power source to the drive.
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Ensure that no external source generates unintended voltage during work.
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Ground the drive for work.
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Wait for the capacitors to discharge fully before opening the door or the cover of the AC drive. Refer to the
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label on the drive for the correct discharge time.
Use a measuring device to make sure that there is no voltage.
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12 | Danfoss A/S © 2024.12
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