Chapter 1 – Basic information
1-2
1.2 Basic configuration
The following devices are required to operate the inverter. Proper peripheral devices must be selected and
correct connections made to ensure proper operation. An incorrectly applied or installed inverter can result in
system malfunction or reduction in product life as well as component damage. You must read and understand
this manual thoroughly before proceeding.
AC Source Supply
Use a power source with a voltage within the
permissible range of inverter input power
rating.
MCCB or Earth
leakage circuit
breaker (ELB)
Select circuit breakers or fuses in accordance
with applicable national and local codes.
Inline Magnetic
Contactor
Install if necessary. When installed, do not
use it for the purpose of starting or stopping
the drive.
AC Reactor
An AC reactor can be used when the
harmonics are to be reduced and power
factor is to be improved. One must be used
when the inverter is installed on a power
source with greater than 10 times the KVA
rating of the drive.
Installation and
wiring
To reliably operate the drive, install the
inverter in the proper orientation and with
proper clearances. Incorrect terminal wiring
could result in the equipment damage.
DC Reactor
A DC reactor may be used together with or
in place of an AC reactor if necessary to
reduce harmonics or improve power factor.
To motor
Do not connect power factor capacitors,
surge arrestors or radio noise filters to the
output side of the inverter.
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