Danfoss iC7 Series Installation Manual page 12

Installation Guide | iC7 Series Liquid-cooled L Filter OF7Z5
Cable Requirements
4.3
For information about recommended cable types and required cable sizes, see the iC7 Series Liquid-cooled System Modules Design
Guide.
Grounding
4.4
Ground the filter in accordance with applicable standards and directives.
Unless local wiring regulations state otherwise, the cross-sectional area of the protective grounding conductor must be at least 50%
of the cross-sectional area of the phase conductor and made of the same material when the phase conductor cross-section is above
2
35 mm (AWG 2) according to IEC 60364-5-54; 543.1.
The connection must be fixed.
Installing the Cables
4.5
Procedure
1. Connect the mains AC cables to terminals L1, L2, and L3.
The terminals are not designed for installing the mains cabling directly. Install additional terminals for the recommended
mains AC cabling. Use internal cabling or busbars between AC terminals of the L Filter and the actual mains terminals.
Define the size of the internal cables or busbars according to the nominal current and according to local regulations.
Use M10 screws and tightening torque 35–40 Nm (310–354 in-lb).
2.
Connect the AC cables from the AFE to terminals L1' , L2' , and L3' .
Use M10 screws and tightening torque 35–40 Nm (310–354 in-lb).
3. Connect the grounding cable to the PE terminal.
Use M8 screws and tightening torque 17–20 Nm (150–177 in-lb).
Terminals
4.6
400/1000 A
L1
L2
L3
L1'
L2'
L3'
PE
Figure 12: Terminals of the L Filter
12 | Danfoss Drives Oy © 2024.11
1640 A
L1'
L2'
L3'
PE
Electrical Installation
L1
L2
L3
AN447722950367en-000201 / 172K1111B