3.4 Cooling system test
3.4.1 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.
The fans switch 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.
Tests
3.4 Cooling system test
SINAMICS G150 6SL37102G E11 F72 F76 F79 L45 L50 L57 L68 M54 U11
28 Reference Manual Rev.201902141443 LV Umrichter
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