Danfoss Vacon NXP Series, Operating Manual, Page: 4 / 174

5.3 Installation Sequence 37
5.3.1 Installation Sequence for Wall-mounted AC Drives 37
5.3.2 Installation Sequence for Standalone AC drives 37
6 Electrical Installation 38
6.1 Cable Connections 38
6.1.1 General Cable Requirements 38
6.1.2 UL Standards on Cabling 39
6.1.3 Cable Selection and Dimensioning 39
6.1.4 Cable Selection and Dimensioning, North America 39
6.1.5 Fuse Selection 40
6.1.6 Principle of the Power Unit Topology 40
6.1.7 Brake Resistor Cables 40
6.2 EMC-compliant Installation 41
6.2.1 Installation in a Corner-grounded Network 42
6.3 Grounding 42
6.4 Get Access and Locate the Terminals 44
6.4.1 Get Access and Locate the Terminals for FR4 44
6.4.2 Get Access and Locate the Terminals for FR5 46
6.4.3 Get Access and Locate the Terminals for FR6 48
6.4.4 Get Access and Locate the Terminals for FR7 50
6.4.5 Get Access and Locate the Terminals for FR8 52
6.4.6 Get Access and Locate the Terminals for FR9 54
6.5 Installing the Cables 56
6.5.1 Additional Instructions for Cable Installation 57
6.5.2 Installing the Cables, FR4-FR6 57
6.5.3 Installing the Cables, FR7 60
6.5.4 Installing the Cables, FR8 63
6.5.5 Installing the Cables, FR9 66
6.5.6 Installing the Cables, FR10-FR11 68
6.6 Installation in an IT System 68
6.6.1 Installing the AC drive in an IT System, FR4-FR6 69
6.6.2 Installing the AC Drive in an IT System, FR7 72
6.6.3 Installing the AC Drive in an IT System, FR8-FR11 75
7 Control Unit 76
7.1 Control Unit Components 76
7.2 Control Voltage (+24V/EXT +24V) 76
7.3 Control Unit Cabling 77
7.3.1 Selection of the Control Cables 77
7.3.2 Control Terminals on OPTA1 78
7.3.3 Control Terminals on OPTA2 and OPTA3 81
Contents Operating guide | VACON® NXS/NXP Air-cooled
DPD00910G 4 | Danfoss A/S © 2018.06