Cooling Circuit For Aluminium Heat Sinks - Siemens SINAMICS S120 Equipment Manual
Chassis liquid cooled power units
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Also See for SINAMICS S120:
- Function manual (1094 pages) ,
- Diagnostic manual (947 pages) ,
- Manual (848 pages)
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Cooling circuit and coolant properties
8.1 Cooling circuits
8.1.1
Cooling circuit for aluminum heat sinks
To ensure an optimum heat sink service life, please note the following recommendation for
aluminum heat sinks (Basic Line Modules FBL and GBL, Active Line Modules HXL and JXL,
Motor Modules HXL and JXL):
● Closed cooling circuit made of stainless steel or ABS which transfers heat to a cooling
● Cooling circuit pipes, fittings made of stainless steel (Nirosta) or common steel (ST37).
Figure 8-1
Note
When arranging the units in the cooling circuit, please note that the Basic Line Modules,
Active Line Modules and Motor Modules must always be positioned upstream of the motors.
Dirt traps (strainers), at least one pressure measuring point and a service inspection window
are important.
228
system via a
water-to-water heat exchanger.
P
Recommendation for closed circuit
Chassis Liquid Cooled Power Units
Manual, (GH7), 01/2011, 6SL3097-4AM00-0BP1
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