09/01 AWB8230-1412GB
1
Contents
About this Manual 5
Abbreviations and symbols 5
1 About DF5 series frequency inverters 7
System overview 7
Type code 8
Inspecting the items supplied 9
Layout of the DF5 10
– Frequency inverter characteristics 11
Selection criteria 11
Intended use 12
Service and guarantee 12
2 Engineering 13
Features of the DF5 13
Connection to the mains 14
– Electrical grid types 14
– Mains voltage, Mains frequency 14
– Interaction with compensation devices 15
– Fuses and cable cross-sections 15
– Protection of persons and domestic animals
with residual-current protective devices 15
– Mains contactor 16
– Current peaks 16
– Mains choke 16
– Line filter, Radio interference filter 16
EMC guidelines 17
– EMC interference class 17
3 Installation 19
DF5 Installation 19
– Mounting position 19
– Installation dimensions 20
– DF5 attachment 21
EMC compliance 22
– EMC compliant installation 22
– Radio interference filter usage 22
– EMC measures in the control panel 23
– Grounding 24
– Screening 24
Electrical connection 26
– Connecting the power section 28
– Connecting the signalling relay 36
– Connecting the control signal terminals 38