Lcl Filter - Vacon NX Active Front End User Manual

vacon • 48
5.1.2

LCL filter

The LCL filter can only be mounted in a vertical position on the floor of a cubicle. Enough space must
be reserved around the LCL filter to ensure sufficient cooling, see Figure 36. Follow the minimum
dimensions for installation, see Table 23. Required cooling air capacity and minimum air holes on
the switchgear, see Table 24. LCL filters cooling air airflow is present in Figure 37 and Figure 38.
Also make sure that the floor is relatively even. The LCL filter must be attached properly so it can
not move.
In the LCL filter for the FI13 Active Front End unit, the connection direction can change from right
to left, see Appendix 77 and Appendix 78. Follow the instruction below:
1. Open fastenings numbered by 1 in Figure 29.
2. Open fastenings numbered by 2 in Figure 29.
3. Remove bus bars.
4. Remove the (dark grey) from the right side and place it in same place to the left.
5. Place the bus bars like in Figure 30.
6. Close fastenings numbered by 2 in Figure 30.
7. Close fastenings numbered by 1 in Figure 30.
5
Figure 28. Mounting points of FI13 AFE unit
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Installation