Mitsubishi Electric FR-A802-F Series Instruction Manual page 34

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 Encasing multiple inverters and converter units
When multiple inverters and converter units are placed in the same enclosure, arrange them horizontally as shown in the figure
below. Do not place multiple products vertically. The exhaust air temperature of the inverter and the converter unit may be
increased.
When mounting multiple inverters and converter units, fully take caution not to make the surrounding air temperature of the
inverter and the converter unit higher than the permissible value by providing ventilation and increasing the enclosure size.
Converter
unit
Arrangement of multiple inverters and converter units
 Arrangement of the 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 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 inverter to cool air.)
Inverter
<Good example>
Arrangement of the ventilation fan and inverter
Converter
Inverter
Inverter
unit
Enclosure
Inverter
<Bad example>
2. INSTALLATION AND WIRING
2.3 Installation of the inverter and enclosure design
1
2
3
4
5
6
7
8
9
10
33

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