Danfoss VACON 20 X User manual

Vacon 20 X - Mains switch installation vacon • 1
Service support: find your nearest Vacon service center at www.vacon.com 1
1. VACON 20 X - MAINS SWITCH INSTALLATION
1.1 Mounting instructions
Document code: DPD01585A
1.1.1 QDSS Mains switch kit
Figure 1. The mains switch option spare kit (MU2 example) .
Frame
size Description and type code Item Quantity
MU2 MU2 QDSS option spare kit
60S01128
Main switch 40A NLT40 assembly 1
MU2 cover for main switch 1
M4x14 screw 2
M5x23 screws 4
MU3 MU3 QDSS option spare kit
60S01129
Main switch 40A NLT40 assembly 1
MU3 cover for main switch 1
M4x14 screw 2
M5x23 screws 6
Table 1. Mains switch kit content.

1
vacon • 2 Vacon 20 X - Mains switch installation
1.1.2 Installation
Figure 2. Cover open.
1• Remove the cover from the drive. See the Figure 2.
2• Open only the inlet holes where you need to run the cables. Cables pass
through this inlet hole.
3• Connect the supply cable to the Mains switch passing through the cable gland
from the bottom side (use the cable gland for sealing the cable to the drive)
and then through the terminal box as shown in the figure below.
4• Place the Mains switch with the cables inside the drive and fix it with its
screws.
5• Connect the cables from the Mains switch to the line terminal. The cables have
to be connected to the terminals L1, L2 and L3.
6• Fix the cables with cable clamp.

Vacon 20 X - Mains switch installation vacon • 3
Service support: find your nearest Vacon service center at www.vacon.com 1
Figure 3. Mains switch and cables connected.
7• Connect the GROUND wire to the proper terminal (see the yellow-green cable
on Figure 3.

1
vacon • 4 Vacon 20 X - Mains switch installation
Figure 4. Mount the plastic cover.
8• Mount the plastic cover onto the drive with its screws and the HMI cap: the
installation process has been completed. See Figure 4.