Cooling System Test; Air Flow Direction; Air Pressure Monitoring - Siemens SINAMICS SL150 Reference Manual

3.3

Cooling system test

3.3.1

Air flow direction

Fundamentals
It is only guaranteed that the drive is correctly cooled when the fan rotates in the correct
direction of rotation.
Test procedure
1. The auxiliary voltage is present.
2. The drive is switched on.
3. The air flow direction is checked at the ventilation grilles.
Result
The test is passed if the air flows from the doors up to the roof section.
3.3.2

Air pressure monitoring

Fundamentals
The test reveals whether a message is displayed when a fan fails.
Test procedure
1. The auxiliary voltage is present.
2. The cabinet fans are switched on.
3. One of the fans is switched off. This simulates fan failure.
Result
The test is passed if the drive responds as described.
SINAMICS SL150 6SL3860 F03 F70 F98 F79 F76
Reference Manual Rev.201902141425 SL150 luftgekühlt
The fans switch on.
A message is displayed on the test station computer.
Tests
3.3 Cooling system test
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