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OUTLINE
Installation of the drive unit and enclosure design
(4) Arrangement of multiple drive units
(5) Arrangement of ventilation fan and drive unit
When multiple drive units are placed in the same
enclosure, generally arrange them horizontally as shown
in the right figure (a). When it is inevitable to arrange
them vertically to minimize space, take such measures as
to provide guides since heat from the bottom drive units
can increase the temperatures in the top drive units,
causing drive unit failures.
When mounting multiple drive units, fully take caution not
to make the surrounding air temperature of the drive unit
higher than the permissible value by providing ventilation
and increasing the panel size.
Arrangement of multiple drive units
Heat generated in the drive unit is blown up from the bottom of
the unit as warm air by the cooling fan. When installing a
ventilation fan for that heat, determine the place of ventilation
fan installation after fully considering an air flow. (Air passes
through areas of low resistance. Make an airway and airflow
plates to expose the drive unit to cool air.)
Placement of ventilation fan and drive unit
Guide Guide
Enclosure Enclosure
Guide
(a) Horizontal arrangement (b) Vertical arrangement
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<Good example> <Bad example>