INSTALLATION INSTRUCTIONS
vacon • 57
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8
6
Connect the cables:
•
Strip the motor and mains cables .
•
Remove the protection grids for the input terminals and the protection covers
on the converter module(s).
•
Pull the cable through the bottom plate and fix the PE conductor to the PE bar
of the cabinet.
•
Connect the mains, motor and control cables into their respective terminals.
Use cable lugs on the power cables. In units with parallel cables (FR11 and
FR12) make sure the cabling is fully symmetrical.
•
Fix the shields of the motor cable(s) to the cabinet by using the earthing
clamps included in the delivery.
•
For Information on cable installation according to UL regulations see Chapter
8.1.
•
Make sure that the control cable wires do not come in contact with the
electronic components of the unit or control components inside the cabinet.
•
If an external brake resistor (option) is used, connect its cable to the
appropriate terminal (R+/R–). Also make sure that the converter is equipped
with a brake chopper (indicated in the type code of the converter).
•
Check the connection of the earth cable to the motor and the frequency
converter terminals marked with PE or
.
•
Connect the separate shield of the power cable to the earth terminals of the
frequency converter, motor and the supply centre.
7
IMPORTANT!
If an output filter (+ODU, +ODC or +OSI) is used, note that the switching
frequency of the converter (parameter 2.6.9, ID601) must be set according to the
specification of the output filter. Setting too high/low a switching frequency may
damage the filter.
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