4 How to Install
4.1 Electrical Installation
4.1.1 Power Connections
Cabling and Fusing
NOTE!
Cables General
All cabling must comply with national and local
regulations on cable cross-sections and ambient
temperature. UL applications require 167°F [75
°
C] copper
conductors. 167°F [75°C] and 194°F [90
°
C] copper
conductors are thermally acceptable for the adjustable
frequency drive to use in non-UL applications.
The power cable connections are situated as shown below.
Dimensioning of cable cross-section must be done in
accordance with the current ratings and local legislation.
See
for details.
For protection please see fuse in the tables of the fuse
section. Always ensure that proper fusing is done
according to local regulations.
6 Phase
power
input
130BB693.10
91-1 (L1-1)
92-1 (L2-1)
93-1 (L3-1)
91-2
92-2
93-2
95 PE
(L2-2)
(L1-2)
(L3-2)
NOTE!
Use a shielded/armored motor cable to comply with EMC
emission specifications. For more information, see
EMC
specifications
in the /FC 300
Design Guide
.
See
for correct dimensioning of
motor cable cross-section and length.
How to Install
VLT AQUA 12-Pulse High Power Instruction Manual
MG.20.Y1.22 - VLT
®
is a registered Danfoss trademark
4-1
4
4
