Introduction   
 
Instruction for installation of the liquid-cooled chassis of Sinamics S120 power units into cabinets for marine drive applications,  
4  12/2016, 4BS0808-003 
 
Legal information 
Warning notice system 
This manual contains notices you have to observe in order to ensure your personal safety, as well as to 
prevent damage to property. The notices referring to your personal safety are highlighted in the manual 
by a safety alert symbol, notices referring only to property damage have no safety alert symbol. These 
notices shown below are graded according to the degree of danger. 
 
indicates that death or severe personal injury will result if proper precautions are not taken. 
 
indicates that death or severe personal injury may result if proper precautions are not taken. 
 
indicates that minor personal injury can result if proper precautions are not taken. 
 
indicates that property damage can result if proper precautions are not taken. 
If more than one degree of danger is present, the warning notice representing the highest degree of 
danger will be used. A notice warning of injury to persons with a safety alert symbol may also include a 
warning relating to property damage. 
The product/system described in this documentation may be operated only by 
 for 
the specific task in accordance with the relevant documentation, in particular its warning notices and 
safety instructions. Qualified personnel are those who, based on their training and experience, are 
capable of identifying risks and avoiding potential hazards when working with these products/systems. 
Proper use of Siemens products 
Note the following: 
 
Siemens products may only be used for the applications described in the catalog and in the relevant technical 
documentation. If products and components from other manufacturers are used, these must be recommended 
or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and 
maintenance are required to ensure that the products operate safely and without any problems. The permissible 
ambient conditions must be complied with. The information in the relevant documentation must be observed. 
All names identified by ® are registered trademarks of Siemens AG. The remaining trademarks in this 
publication may be trademarks whose use by third parties for their own purposes could violate the 
rights of the owner. 
We have reviewed the contents of this publication to ensure consistency with the hardware and 
software described. Since variance cannot be precluded entirely, we cannot guarantee full consistency. 
However, the information in this publication is reviewed regularly and any necessary corrections are 
included in subsequent editions.