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Installation
2-7
AC Power Connections
Connect the fused three phase AC power lines to the input
power terminals L1, L2, and L3. The phase rotation of the input
power is not important since the control is not sensitive to phase
rotation of the input power. For single phase AC power connect
to input power terminals L1 and L2.
Connect an earth ground to the inverter according to any
applicable electrical code. The earth ground should be
connected to the inverter chassis ground screw.
The use of a power disconnect is recommended between the
input power and the inverter to provide a fail safe method to
disconnect the inverter from the input power. The inverter will
remain in a power up condition until all input power is removed
from the control and the internal bus voltage is depleted.
Caution: Do not attempt to service this equipment
while bus voltage is present within the
inverter. Remove input power and wait at
least 5 minutes for the residual power in the
bus capacitors to dissipate.
Caution: This unit has an automatic restart feature
that will start the motor whenever input
power is applied and a maintained external
run (FWD or REV) command is present at the
control. If an automatic restart of the motor
could cause personal injury or harm, the
auto restart feature should be defeated with
external control wiring or by adjusting
parameter 82-Start Options.