Danfoss VLT Midi Drive FC 280 Instruction Manual

130BE232.11
Figure 4.6 Line power, Motor and Grounding Connection for
Single-phase Units
130BE231.11
Figure 4.7 Line power, Motor and Grounding Connection for 3-
phase Units
4.7
AC Line Input Connection
•
Size the wiring based on the input current of the
adjustable frequency drive. For maximum wire
sizes, see chapter 9.1 Electrical Data.
•
Comply with local and national electrical codes
for cable sizes.
Procedure
1. Connect the AC input power cables to terminals
N and L for single-phase units (see Figure 4.6) or
to terminals L1, L2 and L3 for 3-phase units (see
Figure 4.7).
2. Depending on the conguration of the
equipment, connect the input power to the line
power input terminals or the input disconnect.
3. Ground the cable in accordance with the
grounding instructions in chapter 4.3 Grounding.
4. When supplied from an isolated line power
source (IT line power or oating delta) or TT/TN-S
line power with a grounded leg (grounded delta),
ensure that the RFI lter screw is removed to
avoid damage to the intermediate circuit and
reduce ground capacity currents in accordance
with IEC 61800-3.
4.8
Control Wiring
4.8.1 Control Terminal Types
Figure 4.8 shows the removable adjustable frequency drive
connectors. Terminal functions and default settings are
summarized in Table 4.1 and Table 4.2.
130BE212.10
1 2
3
Figure 4.8 Control Terminal Locations
Electrical Installation Instruction Manual
MG07A122 Danfoss A/S © 11/2015 All rights reserved. 15
4 4

Danfoss VLT Midi Drive FC 280 Specifications

General

Brand	Danfoss
Model	VLT Midi Drive FC 280
Category	DC Drives
Language	English