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4. INSTALLATION
4.1
Installation
precautions
(1)
(2)
(3)
(4)
(5)
(6)
When
some
looseness
is
found
on
the
installation
surface,
place
a plate
under
the
inverter
mounting
legs
to
eliminate
the
looseness
before
installation.
When
the
inverter
is
installed
in
loose
conditions,
strain
caused
by such
an
installation
adversely
affects
the
main
circuit
element,
possibly
causing
damage
to
the
unit.
Since
the heat
of
approx.
5% of
the
rated
capacity
is
generated
from
the inverter,
special
care
should
be given
to
the
ventilation
when
the
inverter
is
built
in
the
box,
for
example.
When
a plurality
of
inverters
are
stored
within
the
box,
arrange
those
units
in
line.
The
ambient
temperature
of
inverter
may
increase,
and
fin
overheat
may
trip
the
inverter
if
the
units
are
stacked
inside.
When
installing
the
inverter
inside
the
box,
remove
the
terminal
cover
at the front
lower
part.
(Refer
to Fig.
1.)
The
roof
cover
is recommended
to install
above
the top vent-
ilating
cover
of the
inverter
with
the
specified
space
so that
the
conductive
materials
of
3 mm
or
smaller
size
cannot
enter
the
inside
of
the
inverter.
Such
the
conductive
materials
inside may
cause
the inverter
damage.
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