Siemens SINAMICS S120 Operating Instructions Manual page 72

Installation
4.5 Connections of transport units
3. Remove jumper
stop in the DC busbar of the second cabinet.
Figure 4-3
4. Tighten the nuts of the DC busbar in both cabinet units with a torque of 50 Nm.
5. Repeat steps 1 to 4 for the front DC busbar (DC N).
Note
You must attach a side panel to the left and right of each cabinet line up that you install.
Before mounting the side panels onto an installed cabinet line up, you must remove any
jumpers present in the DC busbars of the cabinet to the right!
72
①
from the DC busbar of the first cabinet. Push the jumper up to the end
①
Jumper
Connecting the DC busbar when cabinet units are installed side-by-side
NOTICE
Damage to the unit
The temperature of the contacts can become inadmissibly high if this torque is not
complied with.
This can damage the unit.
Comply with the torque of 50 Nm.
Applications for Cabinet Modules, liquid cooled
Operating Instructions, 04/2015, A5E35974555A