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Why are the side panels missing on the HHP high horse power conduit kits for the ATV61 and ATV71 drives?

Issue:
Why are the side panels missing on the HHP high horse power conduit kits for the ATV61 and ATV71 drives?

Product Line:
Altivar ATV61 and ATV71

Environment:
All 

Cause:
Panels are left off or removed on the conduit kits so the drive can get air flow to the heat sink chimney.

Resolution:
This is how they are suppose to be.  The Side panel is removed on the conduit kits of the HHP ATV61 and ATV71 drives to allow air flow to enter behind the conduit box.  The conduit entrance kit still meets NEMA 1 standards. 

See the HHP Type 1 Conduit kits VW3A9209 thru VW3A9214 kits
Instruction bulletin is 30072-451-73
http://www2.schneider-electric.com/resources/sites/SCHNEIDER_ELECTRIC/content/live/FAQS/231000/FA231381/en_US/30072-451-73.pdf
 
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