1.3.5 Connecting to Mains and Motor
The frequency converter is designed to operate all
standard three-phased asynchronous motors. For
maximum cross-section on wires please see
1.8.1 Mains
Supply 3x380-480 V AC
.
•
Use a shielded/armored motor cable to comply
with EMC emission specifications, and connect
this cable to both the decoupling plate and the
motor metal.
•
Keep motor cable as short as possible to reduce
the noise level and leakage currents.
•
For further details on mounting of the
decoupling plate, please see instruction
MI02QXYY
•
Also see
EMC-Correct Installation
in the Design
Guide, MG18CXYY.
1.
Mount the earth wires to earth terminal.
2.
Connect motor to terminals U, V and W.
3.
Mount mains supply to terminals L1, L2 and L3
and tighten.
130BB634.10
1
2
2
3
4
Motor
U V W
-DC+DC
MAINS
Illustration 1.2 IP20 380-480 V 0.37-22 kW.
1
Line
2
Earth
3
Motor
4
Relays
Quick Guide
VLT
®
HVAC Basic Drive Cascade Controller Quick Guide
6
MG18F202 - VLT
®
is a registered Danfoss trademark
1
1