(4)
ow-
d
CAUTION
&
When retry function is selected, the Mer
will
try
to
restart the machine up
to
10
times over a one hour
period.
Ensure operator safety with other devices.
&
The stop key is valid only when furrtion setting
has
been made. Prepare an
emergency stop switch separately.
&
Switch
off
the start signal when resetting the inverter. Failure to do
so
may start the
motor immediateiy after reset.
&
Do
not
use for loads other than
the
$phase induction motor.
If
another electric device
is connected to the inverter output,
the
device could be damaged
A
Do
not modify the equipment.
&
The electronic motor thermal protection
does
not guarantee
lo
prevent motor burn
out.
A
Do
not use a contactor on the inverter input
for
lrequent startinwstopping of the
inverter, use control signals.
To reduce the effect of mains conducted electromagnetic interference, use a
RFI
noise
finer. Take care to ensure that electromagnetic radiation from
the
inverter does not
&
When driving a
400
V
class Wr with the inverter, use an insulation-enhamed motor,
damage or affect the operation of
nearby
electrical equipment.
or measures should be taken
to
suppress
the
surge vottage. Surge vonages atributable
to
the wiring constant may occur at motor terminals, deterioraling the insulation of the
A
When parameter clear or all parameter clear
is
performed, each parameter returns to
motor.
the
factory setting. Re-set the
requlred
parameters before starting operation.
&
The inverter can be easiiy
set
for high-speed operatin. Wore changing its setting,
fully examine the performances of the motor and machine.
A
The inverter does not have a holding stop facility. For emergency stop, another circuit
must be used.
(5)
Emergency stop
d
CAUTION
A
Provide a safety backup such as an emergency brake which wiil prevent the machine
and equipment from hazardous
conditions
if
the inverter fails.
(6) Malntenenco, inopedon
and
pmta
mplacemont
CAUTION
Do
not carry
out
a megger (imulaticm resistance) test
on
the control circuit of the inverler.
(7)
Dlsporing
of
the
inverter.
r
~~
d
CAUTION
Treat as industrial waste.
(8) General
[Many of the diagrams and drawings in the instruction manual show the inverter without a
I
cover, or partially open. Never mn
the
inverter like this. Always replace the cover and fol-
low this instruction manual when operating the inverter.
A-4
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