Siemens Sinamics S120 Manual page 93

Article numbers 6SL3305-7TE41-4AA5 and 6SL3305-7TG41-6AA5:
The hose connections must be fastened with the gaskets with a tightening torque of 30 Nm:
● The straight hose connections are intended for P1, P5 and P6.
● The angled hose connections are intended for P3, P4 and P7.
Article numbers 6SL3305-7TE38-4AA5, 6SL3305-7TG37-4AA5, 6SL3305-7TG41-0AA5 and
6SL3305-7TG41-3AA5:
The hose connections must be fastened with the gaskets with a tightening torque of 30 Nm:
● The straight hose connection is intended for P1.
● The angled hose connections are intended for P4, P6 and P7.
The hoses must be fastened to the hose connections with two hose clamps each with a
tightening torque of 3 Nm.
After assembly, the tightness must be tested with a pressure test.
Danger to life from electric shock due to insufficient insulating clearance
Incorrect routing of the coolant lines can result in insufficient insulating clearance to live
parts and can cause death or serious injury.
• Route the coolant pipes very carefully.
• Make sure that the coolant lines do not come into contact with live parts and that an
• Mechanically secure the coolant lines and check that they have no leaks.
Note
Checking the hose lines
The inspection intervals depend on the prevailing ambient conditions.
The following points should be noted for the coolant hoses:
• Damage through abrasion points
• Embrittlement (e.g. forming of cracks)
• Leaks
• The hose slipping out of the coupling
• Deformations that do not comply with the natural shape of the hose (e.g. separation of
layers and blistering)
• Exceeding the storage and use times
In accordance with the accepted rules and standards, we recommend a testing cycle of
five years with the appropriate test pressure (twice the operating pressure).
Liquid-cooled chassis power units
Manual, (GH7), 11/2016, 6SL3097-4AM00-0BP7
WARNING
insulation clearance (clearances and creepage distances) of >13 mm is always
maintained.
Line-side power components
3.4 Active Interface Modules, liquid-cooled
93