TRANSPORTATION AND INSTALLATION MANUAL
3.3.2 Precautions for Direct Installation
It is necessary to provide a clearance of 50 mm or more in the horizontal direction and
a clearance of 100 mm or more in the upward direction near the controller.
When installing the controller lengthwise, be sure to locate the right lateral side for
sideways installation at the bottom side. (The lengthwise installation is an option.)
• Provide a ventilation space at the side of the controller so that the air vent
holes are not blocked. The space equal to the length of the legs should be
kept below the lower surface.
Failure to do so could cause the cooling performance to drop or to faults.
• DO NOT stack the controllers.
• DO NOT place any object on top of the controller.
Fig. 3.6 Controller ventilation space
STE 85305
– 28 –
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