Installation Safety - Danfoss iC7 Series Operating Manual

Operating Guide | Voltage Measurement Option OC7V0

Installation Safety

2.3
DISCHARGE TIME
The drive contains DC-link capacitors, which can remain charged even when the drive is not powered. High
voltage can be present even when the warning indicator lights are off. Contact with this voltage can cause
death or serious injury.
Disconnect all sources and loads which are connected to the system module.
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Wait for the capacitors to discharge fully before performing any service or repair work. The discharge time
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is 5 minutes. If any other source is connected, the discharge time can be longer.
Use a calibrated measuring device to make sure that there is no voltage, before opening the drive or
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performing any work on the cables.
SHOCK HAZARD
The line which is to be connected to the Voltage Measurement Option can have voltage present even when
the drive is not powered. Contact with this voltage can cause death or serious injury.
Disconnect all sources and loads which are connected to the line which is to be connected to the Voltage
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Measurement Option.
Use a calibrated measuring device to make sure that there is no voltage, before performing any work on
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the cables.
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AQ476649821259en-000101 / 136R0332 |
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