Connecting To Mains And Motor - Danfoss VLT HVAC Basic Drive FC 101 Design Manual

How to Install

5.2.3 Connecting to Mains and Motor

The frequency converter is designed to operate all
standard three-phased asynchronous motors. For
maximum cross-section on wires see 8.2 General Specifi-
cations.
•
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.
5 5
•
Keep motor cable as short as possible to reduce
the noise level and leakage currents.
•
For further details on mounting of the
decoupling plate, see FC 101 De-coupling Plate
Mounting Instruction MI02Q.
•
Also see EMC-Correct Installation in the VLT
Basic Design Guide, MG18C.
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.
54
®
VLT HVAC Basic Drive Design Guide
2
® 2
HVAC
3
Illustration 5.2 H1-H5 Frame
IP20 200-240 V 0.25-11 kW and IP20 380-480 V 0.37-22 kW.
1
2
3
4
Table 5.9
®
MG18C402 - VLT is a registered Danfoss trademark
1
U
V W
-DC +DC
Line
Earth
Motor
Relays
4