Motor Connection At 208-230 Or 460V; Motor Connection At 575V; Reversible Direction - Riello 20125045 Installation, Use And Maintenance Instructions

4.17 Motor connection at 208-230 or 460V

the motors, manufactured for 208-230/460 IE3
NEMA Premium Efficiency voltage, have the
same connection than IE2/Epact motors, but differ-
ent connection than IE1 motors no more star/delta
WARNING
but star/double star.
IE1
~ ~ ~
460V

4.18 Motor connection at 575V

the motors, manufactured for 575V IE3 NEMA Pre-
mium Efficiency voltage, have the same control
box base of the IE1 and IE2/Epact motors.
WARNING
Please pay attention to the indications in case of maintenance or
substitution.

4.19 Reversible direction

If it is necessary to reverse the direction then re-
verse the two main supply phases.
WARNING
For example: L1 with L2, there is not difference between IE1, IE2/
Epact and IE3 NEMA Premium Efficiency.
Installation
D3686
~ ~ ~
208-230V
35
GB
Please, pay attention to the indications in case of modification of
voltage, maintenance, or substitution.
IE2/Epact - IE3 NEMA Premium Efficiency
S8380
U2 V2 W2
U3 V3 W3
U1 V1 W1
~ ~ ~
460V
~ ~ ~
L1 L2
VKDIW
U2 V2 W2
U3 V3 W3
U1 V1 W1
~ ~ ~
208-230V
S8382
575V
/ /
/ /
S8379
Fig. 29
Fig. 30
/
/
S8381
Fig. 31
20106891