Vacon NXL series User Manual
Also see for NXL series: User manualUser manual
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Contents
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8 • vacon SafetyTelephone: +358-201-2121 • Fax: +358-201-212 20511.3 Earthing and earth fault protectionThe Vacon NXL frequency converter must always be earthed with an earthing conductor connectedto the earthing terminal .The earth fault protection inside the frequency converter protects only the converter itself againstearth faults in the motor or the motor cable.Due to the high capacitive currents present in the frequency converter, fault current protectiveswitches may not function properly. If fault current protective switches are used they must be testedwith the drive with earth fault currents that are possible to arise in fault situations.1.4 Running the motorWarning symbolsFor your own safety, please pay special attention to the instructions marked with the followingsymbols:=Dangerous voltageWARNING =General warningHOT SURFACE =Hot surface – Risk of burnMOTOR RUN CHECK LIST1 Before starting the motor, check that the motor is mounted properly andensure that the machine connected to the motor allows the motor to bestarted.2 Set the maximum motor speed (frequency) according to the motor andthe machine connected to it.3 Before reversing the motor shaft rotation direction make sure that thiscan be done safely.4 Make sure that no power correction capacitors are connected to themotor cable.5 Make sure that the motor terminals are not connected to mainspotential.WARNING |
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