Siemens SINAMICS S120 Combi Equipment Manual page 94

S120 Combi Power Modules
3.5 Installation
Figure 3-15 Installed reinforcement plates: View from the front and from the rear
CAUTION
The reinforcement plates must be installed so that the openings between the S120 Combi
Power Module and the external fan unit are closed.
If the reinforcing plates are incorrectly fixed, this can result in an excessively high heat sink
temperature and cause the S120 Combi Power Module to prematurely trip.
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SINAMICS S120 Combi
Manual, Edition 05.2010, 6SL3097-4AV00-0BP0