VLT
®
5000/6000/8000 Series
Electrical installation
NB!:
This function is only available on VLT
5300-5
500 units.
If the temperature of the brake resistor
gets too high and the KLIXON switch drops out,
the VLT
frequency converter will stop braking.
The motor will start coasting.
A KLIXON switch must be installed that can either be
norma
lly closed
’
or normally open
’
. Ifthisfunctionisnot
used, 106 and 104 must be short-circuited together.
■
Cable cross-section and length
See Technical data for correct sizing of motor
cable and mains cable cross-section. Always
comply with national and local regulations on cable
cross-sections. It is important to keep the motor
cableasshortaspossiblesoastoreducethenoise
level and leakage currents to a minimum.
Max. motor cable length for screened cable
is 150 m (500 ft.).
Max. motor cable length for unscreened
cable is 300 m (1000 ft.).
MG.56.A2.02 - VLT is a registered Danfoss trademark
19
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