1 Safety
1.1.1 Warnings
The Danfoss harmonic filter AHF 005 and AHF 010 contain dangerous voltages when connected to mains voltages. Only a competent
electrician should carry out the electrical installation. Improper installation of the filter or the connected frequency converter may cause
equipment failure, serious injury or death. Follow this manual and install according to National Electrical Codes and local safety codes.
Operation of the harmonic filter is only allowed when the filters housing lid, door or cover is closed.
1.1.2 Symbols Used in This Manual
This manual contains different symbols that require special attention. The symbols used are the following:
Warning of hazardous electrical voltage.
Warning of a general danger.
NB!
This note designates general, useful notes. If you observe it, handling of the filter/drive system is made easier.
1.1.3 Operator's Safety
After mains disconnections, the power terminals X1.1, X1.2, X1.3, X3.1, X3.2, X3.3, X4.1, X4.2 and X4.3 remain live for minimum 4
minutes.
The filters have to be installed in a way, that they fulfil their function and don’t expose persons to danger. They have to be mounted
correctly and used in accordance with their purpose.
AB terminals are not Protected Extra Low Voltage (PELV).
AHF 005/010 Operating Instructions
1 Safety
MG.80.C2.02 - VLT
®
is a registered Danfoss trademark
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