Pre-Charging The Drive - Danfoss iC7 Installation Manual

Installation Guide | iC7-Automation Air-cooled Enclosed Drives
1 Ethernet switch
Figure 28: Connecting the Drive to a PC
2.
Connect the cable coming from the PC or from the Ethernet switch to the RJ45 terminal on the door of the control
compartment.
In enclosed drives with 2 control units (for example, AFE and INU), the Ethernet connection is by default to the INU control
unit.
– To connect to the AFE control unit, open the door of the control compartment, locate the AFE control unit, and connect the
PC to Ethernet terminal X0.
3.
See the application guide for information on the next steps.

Pre-charging the Drive

5.3
Before starting the drive, the drive must be pre-charged.
1. Check that the pre-charging fuse switch (-QB6) is closed. It is located inside the cabinet.
2.
Select automatic or manual pre-charging with the switch -SF12.
3.
Enable mains with the switch -SF11.
4. Connect the power supply.
5.
For frames 2 x AE10 + 2 x IE10 and smaller, close the drive main switch -QB0.

In the automatic mode, the drive starts pre-charging immediately when the power is connected.
6.
In the manual mode, start the pre-charging by pushing the Run button on the AFE control panel or by giving a start command
from remote PLC or fieldbus.

When the pre-charging is complete, the drive automatically closes the main contactor or circuit breaker.
32 | Danfoss Drives Oy © 2024.09
1
NOTICE
Commissioning
AN484843731544en-000101 / 172K4825A