Siemens SINAMICS S120 System Manual page 184

Cabinet design and EMC
12.7 Cooling circuit and coolant properties
NOTICE
Damage to the component as a result of liquids that have entered
Liquids that penetrate the equipment can cause short circuits in the components and damage
the components.
• Use a rigid piping system when connecting the cooling circuit to the Motor Modules.
• Apply a thread locking compound/sealant to the screw connections of the cooling water
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connections to prevent them loosening and leaking. Use Loctite 577 liquid thread sealant
and the associated Loctite 7091 activator. Carefully observe the application instructions of
the associated product description from Loctite.
High Frequency Drive
System Manual, 10/2020, 6SL3097-5AH10-0BP0