Installation
25
20160778
GB
4.12 Motor connection at 208-230 or 460V
WARNING
:
the motors, manufactured for 208-230/460
IE3 NEMA Premium Efficiency
voltage, have the same connection than
IE2/Epact
motors,
but different connection than
IE1
motors no more star/delta but star/double star.
Please, pay attention to the indications in case of modification of voltage, maintenance, or substitution.
4.13 Motor connection at 575V
WARNING
:
the motors, manufactured for 575V
IE3 NEMA Premium Efficiency
voltage, have the same control box base of the
IE1
and
IE2/Epact
motors.
Please pay attention to the indications in case of maintenance or substitution.
4.14 Reversible direction
WARNING
:
If it is necessary to reverse the direction then reverse the two main supply phases.
For example: L1 with L2, there is not difference between
IE1
,
IE2/Epact
and
IE3 NEMA Premium Efficiency.
D3686
IE1
IE2/Epact - IE3 NEMA Premium Efficiency
U2
V2
W2
U3
V3
W3
U1
V1
W1
S8379
U2
V2
W2
U3
V3
W3
U1
V1
W1
S8380
~ ~ ~
~ ~ ~
460V
208-230V
~
~
~
~
~
~
460V
208-230V
Fig. 27
S8382
~ ~ ~
575V
Fig. 28
/ / /
/ / /
VKDIW
S8381
L1
L2
Fig. 29