Grounding Principles; Grounding The Products; Prerequisites For Cable Installation - Danfoss iC7 Series Design Manual

Design Guide | iC7 Series Air-cooled System Modules
Conductor sizing is based on NEC table 310.15(B)(16) with a correction factor for an ambient temperature of 40 °C (104 °F).
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For parallel multicore cable installations: multicore cables listed in the recommendation list must be installed on raceways or they
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must not be stacked or bundled longer than 600 mm (24 in) without maintaining spacing.
In other conditions, refer to local safety regulations, the input voltage, and the load current of the drive.
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Grounding Principles

6.2
Ground the AC drive in accordance with applicable standards and directives.
According to IEC 60364-5-54; 543.1, unless local wiring regulations state otherwise, the cross-sectional area of the protective grounding
conductor must be at least ½ times of the phase conductor and made of the same material when the phase conductor cross-section is
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above 35 mm (AWG 2).
The connection must be fixed.

Grounding the Products

6.3
1.
Ground the products at the grounding spots.
See 10.1 Tightening
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Figure 17: Grounding Stud of the Inverter Module and Grounding Terminal of the LCL Filter
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Grounding stud

Prerequisites for Cable Installation

6.4
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Torques.
2
2
Grounding terminal
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