Cooling; Cooling Circuits - Siemens Simotics T-1FW6 Operating Instructions Manual

2.5.3

Cooling

Note
No motor operation without liquid cooling
• Ensure that the torque motor cooling system functions perfectly.
• Only operate the motor in conjunction with liquid cooling.
2.5.3.1

Cooling circuits

Cooling circuit requirements
Avoid algae growth by using suitable chemical agents and opaque water hoses.
We recommend that the cooling circuits be designed as closed systems. The maximum
permissible pressure is 10 bar.
NOTICE
Blocked and clogged cooling circuits
Cooling circuits can become blocked and clogged as a result of pollution and longer-term
deposits.
•
• If you use the machine cooling circuits to also cool the motors, you must ensure that the
coolant fully complies with the requirements listed in this chapter.
• Also note the maximum non-operational times of cooling circuits corresponding to the
coolant manufacturer's data.
Materials used in the cooling circuit
• S355J2G3 (1.0570)
• FPM
1FW6 external rotor built-in torque motors
Operating Instructions, 12/2020, A5E49196960B AB
We recommend that you use a separate cooling circuit to cool the motors.
Description
2.5 Design
39