Danfoss VACON NXS Air-cooled, Operating Manual

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5.1.2
5.2
5.2.1
5.2.2
5.2.3
5.3
5.3.1
5.3.2
6
6.1
6.1.1
6.1.2
6.1.3
6.1.4
6.1.5
6.1.6
6.1.7
6.2
6.2.1
6.3
6.4
6.4.1
6.4.2
6.4.3
6.4.4
6.4.5
6.4.6
6.4.7
6.4.8
6.5
6.5.1
6.5.2
6.5.3
6.5.4
6.5.5
6.5.6
6.5.7
High Altitude Installation 32
Cooling Requirements 33
General Cooling Requirements 33
Cooling of FR4 to FR9 33
Cooling of Standalone AC drives (FR10 to FR11) 35
Installation Sequence 36
Installation Sequence for Wall-mounted AC Drives 36
Installation Sequence for Standalone AC Drives 37
Electrical Installation 38
Cable Connections 38
General Cable Requirements 38
UL Standards on Cabling 38
Cable Selection and Dimensioning 39
Cable Selection and Dimensioning, North America 39
Fuse Selection 39
Principle of the Power Unit Topology 39
Brake Resistor Cables 40
EMC-compliant Installation 40
Installation in a Corner-grounded Network 41
Grounding 41
Get Access and Locate the Terminals 43
Get Access and Locate the Terminals for FR4/FI4 43
Get Access and Locate the Terminals for FR5 45
Get Access and Locate the Terminals for FR6/FI6 47
Get Access and Locate the Terminals for FR7/FI7 49
Get Access and Locate the Terminals for FR8/FI8 51
Get Access and Locate the Terminals for FR9 53
Get Access and Locate the Terminals for FR10 Standalone 55
Get Access and Locate the Terminals for FR11 Standalone 57
Installing the Cables 59
Additional Instructions for Cable Installation 60
Installing the Cables, FR4–FR6/FI4–FI6 60
Installing the Cables, FR7/FI7 63
Installing the Cables, FR8/FI8 66
Installing the Cables, FR9 69
Installing the Cables, FR10 Standalone 72
Installing the Cables, FR11 Standalone 76
AQ275638903263en-000601/DPD00910 4 | Danfoss A/S © 2022.12
Contents
VACON® NXS/NXP Air-cooled
Operating Guide