Selec VFD Series

7
3.WIRING
PE earth terminal must be connected with the ground.
For the safety of the operator as well as devices, only the professional engineers are allowed to
operate it. Please pay attention to the following precautions while wiring.
Power must be shut off before wiring.
The rated voltage must conform to AC voltage. Power cords must be connected with the terminal
R, S and T while motor lines should be connected with terminal U, V and W; any incorrect
connection may cause damage to the internal components of the converter.
The reliability of the terminals and wires must be evaluated before wiring, and screws for the
terminals of the major loop must be fastened solidly.
To avoid electric shock, do not touch the terminals of the major loop.
User Manual
3-1 Connection methods for assorted devices
Configuration
L U
N
V
W
M
Single - Phase
Power Source
Chopper
AC reactor
Electromagnetic
contactor
Filter Filter
Name
Applicable
model should
be selected; its
rated current
must be no
less than 1.5
times the
rated current
of converter
it’s applied
to the
improvement
of input
power factors
it’s used to
control the
switching of
power source
it’s used to
reduce the
radio interfere-
nce generated
by converter
It’s used to reduce the
radio interference genera-
ted by converter. But it’s
not applicable if the leads
is too short
Descriptions