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What is the effect on the drive rating if the vent cover on top of a drive (ATV11, ATV12, ATV31, ATV312. ATV21, ATV212, ATV61, ATV71) is removed?

Issue:
What is the effect on the drive rating,  if the vent cover on top of an ATV312  is removed?

Product Line:
Altivar ATV11, ATV12, ATV31, ATV312. ATV21, ATV212, ATV61, ATV71
Environment:
All

Cause:
Installing in a custom enclosure.

Resolution:
Removing the top cover improves air flow through the drive and may allow it to tolerate higher ambient temperatures or side by side mounting within an enclosure.
However, removing it also could allow foreign material to fall down inside the drive.
This should only be done when installed inside an enclosure.

Consult the product's Installation manual for details
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