Siemens SINAMICS S120 Equipment Manual page 18

System Overview
1.2 SINAMICS S120 drive system
Boundary conditions for use
The Power Modules, Line Modules and Motor Modules are designed for connection to a
liquid coolant circuit which must be provided by the customer.
The design of this liquid coolant circuit is an important factor in determining the operational
reliability and service life of the equipment and the entire installation.
The main criteria are described in the following chapters.
1-6
SINAMICS S120 Equipment Manual, Edition 04/2007, 6SL3097-2AM00-0BP2
Chassis Power Units Liquid Cooled