Transport, installation and assembly
3.8 Connection to the converter
A5E01083943A AB
46 Siemens AG Operating Instructions 2.02 1FW4
3. Rinse out the water circuit before you connect the cooling water supply to the motor. This
removes deposits and foreign bodies so that they cannot make their way into the cooling
circuit.
4. If dirt and foreign bodies are potentially present in the cooling water, you must place
suitable filters in the cooling water pipes.
5. Connect the cooling circuit to the motor.
Filling
1. Fill the cooling circuit with water until the air is completely forced out of the cooling circuit.
2. Perform a pressure check to see whether the cooling water supply is airtight. The
maximum pressure must not be exceeded. The maximum permissible pressure can be
found on the motor rating plate.
If you do not then put the motor into operation, you must implement the necessary measures
during work stoppages. [ID 1142.00]
See also
Stoppages (Page 68)
3.8 Connection to the converter
General
Set 2.5 kHz as the converter pulse frequency.
WARNING
Dangerous voltage at the motor terminals when the rotor is rotating
There is always a magnetic flux in the motor due to the permanent magnets in the rotor.
With each rotation of the rotor, a voltage occurs at the motor terminals. As a result of this,
there is also a voltage at the converter output terminals via the connecting cable. When
working on the drive system, you must prevent any rotational movement of the motor shaft.
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