10
Installation of the inverter and enclosure design
1.4.3
Inverter placement
(1) Installation of the inverter
Enclosure surface mounting
(2) Clearances around inverter
(3) Inverter mounting orientation
Mount the inverter on a wall as specified. Do not mount it horizontally or any other way.
(4) Above 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.
NOTE
When encasing multiple brake units, install them in parallel as a
cooling measure.
Install the inverter vertically.
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.
Front cover
Wiring cover
Front cover
Wiring cover
Remove the front cover and
wiring cover to fix the inverter to
the surface.
FR-D740-012 or more
FR-D720S-070 and 100
FR-D720S-008 to 042
V
ertical
Refer to the clearances belo
w.
* When using the inverters at the surrounding
air temperature of 40 C or less, the inverters
can be installed without any clearance
between them (0cm clearance).
When surrounding air temperature exceeds
40 C, clearances between the inverters
should be 1cm or more (5cm or more for the
FR-D740-120 or more).
Surrounding air temperature and humidity
Measurement
position
Measurement
position
Inverter
5cm
5cm
5cm
Humidity: 90% RH maximum
Clearances (side)
1cm
or more
*
Inverter
Clearances (front)
10cm or more
10cm or more
1cm
or more*
1cm
or more*
* 5cm or more for the FR-
D740-120 or more
Leave enough clearances and
take cooling measures.
Temperature: -10 C to +50 C
Содержание FR-D700 Series
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