Mitsubishi Electric FR-E520 Instruction Manual page 25

7) Note the cooling method when the inverter is installed in an enclosure.
When two or more inverters are installed or a ventilation fan is mounted in an
enclosure, the inverters and ventilation fan must be installed in proper positions with
extreme care taken to keep the ambient temperatures of the inverters with the
permissible values. If they are installed in improper positions, the ambient
temperatures of the inverters will rise and ventilation effect will be reduced.
8) Install the inverter securely in the vertical direction with screws or bolts.
3) Note on ambient
temperatures
Measurement
position
5cm
FR-E500
5cm
5cm
Measurement position
7) For installation in an enclosure
entilation
an
Inverter
(Correct example) (Incorrect example)
Position of Ventilation Fan
8) Vertical mounting
4) Clearances around the inverter
1cm or
FR-E500
more*
*5cm or more for 5.5K and 7.5K
These clearances are also necessary for changing
the cooling fan.
(The 0.75K or more for 200V class and the 1.5K or
more for 400V class are provided with a cooling fan.)
Inverter
Inverter
Built-in cooling fan
15
INSTALLATION AND WIRING
10cm
Leave sufficient
or more
clearances above
and under the
inverter to ensure
adequate ventilation.
Cooling fan
1cm or
built in the
more*
inverter
10cm
or more
Inverter
(Correct example)
When more than one inverter is contained
Cooling air
Inverter
Inverter
(Incorrect example)
2