Danfoss VLT Training Manual page 32

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VLT Installation

4) Installation Checks

d. Mounting

The VLT cools itself by drawing cooling air through the bottom of its enclosure and

exhausting it out the top. It is therefore important to provide enough space above

and below the drive to ensure proper flow of cooling air. To determine the necessary

clearances, see the "mechanical installation" section of the Instruction Manual. The

smallest drive requires 100mm (4") on the top and bottom, nothing on the sides.

This top and bottom space goes from 100 to 225mm (4", to 9") on smaller units,

then 400mm (16") on the largest drive which is on the top only. All drives can be

mounted side by side, but check for door clearance on some units..

Rev.02

d. Mounting

Mounting

• Side by Side is acceptable for all sizes

• Space needed above & below; increases with size & voltage

- 100mm (4")

- 200mm (8")

- 225mm (9")

- Largest VLT needs 400mm (16") above.

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