Inverter Placement - Mitsubishi Electric FR-D720-008 Instruction Manual

1.4.3

Inverter placement

(1) Installation of the inverter
Enclosure surface mounting
Remove the front cover and wiring cover to fix the inverter to the surface.
FR-D720-008 to 042
FR-D720S-008 to 042
FR-D710W-008 to 025
Front cover
NOTE
When encasing multiple inverters, install them in parallel as a
cooling measure.
Install the inverter vertically.
(2) Clearances around inverter
To ensure ease of heat dissipation and maintenance, leave at least the shown clearances around the inverter. At least the
following clearances are required under the inverter as a wiring space, and above the inverter as a heat dissipation space.
Surrounding air temperature and humidity
Inverter
5cm
(1.97inches)
Measurement
position
Temperature: -10 C to +50 C
(14 F to 122 F)
Humidity: 90% RH or less
Leave enough clearances and take
cooling measures.
Installation of the inverter and enclosure design
Wiring cover
Measurement
position
5cm
1cm
(1.97inches)
(0.39inches)
or more*
5cm (1.97inches)
* When using the inverters at the surrounding air
temperature of 40 C (104 F) or less, the inverters can
be installed without any clearance between them
(0cm (0inch) clearance).
When surrounding air temperature exceeds 40 C
(104 F), clearances between the inverters should be
1cm (0.39inches) or more (5cm (1.97inches) or more
for the FR-D720-238 or more and FR-D740-120 or
more).
FR-D720-070 or more
FR-D740-012 or more
FR-D720S-070, 100
FR-D710W-042
Front cover
Clearances (front)
10cm
(3.94inches)
or more
1cm
(0.39inches)
or more*
10cm
(3.94inches)
or more
Wiring cover
Clearances (side)
1cm
(0.39
Inverter
inches)
or more
*
* 5cm (1.97inches) or more for
the FR-D720-238 or more
and FR-D740-120 or more
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