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(4) Above the inverter
Heat is blown up from inside the inverter by the small fan built in the unit. Any equipment placed above the inverter
should be heat resistant.
(5) Arrangement of multiple inverters
When multiple inverters are placed in the same enclosure, generally arrange them horizontally as shown in the figure
below (a). When it is inevitable to arrange them vertically to minimize space, take such measures as to provide guides
since heat from the bottom inverters can increase the temperatures in the top inverters, causing inverter failures.
When mounting multiple inverters, fully take caution not to make the surrounding air temperature of the inverter higher
than the permissible value by providing ventilation and increasing the enclosure size.
(6) Placement of ventilation fan and inverter
Heat generated in the inverter is blown up from the bottom of the unit as warm air by the cooling fan. When intalling 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 inverter to cool air.)
Inverter
Inverter
Enclosure
(a) Horizontal arrangement
Arrangement of multiple inverters
Inverter
<Good example>
Placement of ventilation fan and inverter
Installation of the inverter and enclosure
Inverter
Inverter
Guide
Guide
Guide
Inverter
Inverter
Enclosure
(b) Vertical arrangement
Inverter
<Bad example>
design
1
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