Siemens SINAMICS S120 Combi Manual page 167

Fire through overheating due to insufficient ventilation clearances
Inadequate ventilation clearances can cause overheating with a risk for personnel through
smoke development and fire. This can also result in more downtimes and Line Modules
may have a reduced service life.
• It is absolutely essential that you maintain ventilation clearances according to the table
Electric shock due to missing DC-link side covers
There is a danger of an electric shock through contact when the side covers of the DC link
are missing.
• Mount the supplied side covers on the first and last component in the drive line-up.
NOTICE
Material damage due to loose power connections
Insufficient tightening torques or vibrations can result in faulty electrical connections. This
can cause fire damage or malfunctions.
• Tighten all the DC-link busbar screws with the specified tightening torques (1.8 Nm
• Check the tightening torques of all power connections at regular intervals and tighten
Note
If braking resistors other than those described in Section Braking resistors (Page 176)
(6SN1113-1AA00-0DA0 and 6SL3100-01BE31-0AA) are used then these could be
destroyed.
SINAMICS S120 Combi
Manual, 11/2017, 6SL3097-4AV00-0BP7
WARNING
Ventilation clearances above and below the component (Page 294).
WARNING
You can order missing side covers (article number: 6SL3162-5AA00-0AA0).
tolerance +30 %).
them when required. This applies in particular after transport.
DC link components
7.2 Braking Module Booksize
167