Siemens TV Converter Box 611 User Manual

 

Motor components of the built-in motor and options 

 

3.3 Cooling 

In this case, the resulting discrepancy vis-à-vis the actual effective power loss may mean 

that the cooling system is overdimensioned. 
The cooling system must be sufficiently powerful to ensure the required coolant pressure 

even at the maximum volume flow rate. 

3.3.2 

Coolant 

Provision of the cooling medium 

The customer must provide the cooling medium. Only water with anti-corrosion agent should 

be used as the cooling medium.  

 

WARNING 

 

Oil must not be used as a coolant because it is incompatible with materials used in motors 

with a cooling jacket and may cause O-rings to corrode. In motors with integrated cooling, 

oil can corrode the hoses of the cooling system inside the motor. 

 

Reason for the use of water with an anti-corrosion agent 

The use of untreated water may lead to considerable damage and malfunctions due to water 

hardness deposits, the formation of algae and slime, as well as corrosion, for example: 
●  Worsening of the heat transfer 
●  Higher pressure losses due to reductions in cross-sectional area 
●  Blockage of nozzles, valves, heat exchangers and cooling ducts 
For this reason, water as a cooling medium must contain an anti-corrosion agent that reliably 

prevents deposits and corrosion even under extreme conditions. 

General requirements placed on the cooling medium  

The cooling medium must be pre-cleaned or filtered in order to prevent the cooling circuit 

from becoming blocked. The formation of ice is not permitted! 

 

 

Note 
The maximum permissible size for particles in the cooling medium is 100 μm. 

 

1FW6 Built-in torque motors 
Configuration Manual, 05/2009, 6SN1197-0AD00-0BP7 

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