Danfoss Vacon NXP Series - Installing the Cables, FR10-FR11; Installation in an IT System

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6. Attach the cable entry plate, and then the cable cover. For the tightening torques of the screws, see 12.5 Tightening Torques for
Cover Screws. Make sure that the control cables or the cables of the AC drive are not caught between the frame and the cable
cover.
6.5.6 Installing the Cables, FR10-FR11
For more information on how to install the cables for enclosure sizes FR10 and larger, see VACON
®
NXP/C User Manual.
6.6 Installation in an IT System
If mains is impedance-grounded (IT), the AC drive must have the EMC protection level C4. If the drive has the EMC protection level C2,
it is necessary to change it to C4. To do this, remove the EMC jumpers.
For equivalents of EMC levels in VACON
®
AC drives, see 3.4 Description of the Type Code.
WARN I N G
SHOCK HAZARD FROM THE COMPONENTS
The components of the drive are live when the drive is connected to mains.
-
Do not make changes in the AC drive when it is connected to mains.
NOTIC E
DAMAGE TO THE AC DRIVE FROM INCORRECT EMC LEVEL
The EMC level requirements for the AC drive depend on the installation environment. An incorrect EMC level can damage the
drive.
-
Before connecting the AC drive to the mains, make sure that the EMC level of the AC drive is correct for the mains.
Electrical Installation
Operating guide | VACON® NXS/NXP Air-cooled
DPD00910G
68 | Danfoss A/S © 2018.06