Xylem IM224 R03 Hydrovar Variable Speed Control HV, 2HP-15HP Version 0307 - Manual (Page 6)

Commercial Water
Xylem Inc.
PAGE 6
Three Phase Unit HV 3, 5 HP
Three Phase Unit HV 7.5, 15 HP
Rectifier
AC Input
+ DC
– DC IGBT
– DC
+ DC
1a 1b 1c
Motor
L1
L2
L3
U W
V
DC –
DC +
L1 L2 L3 U V W
L1 L2 L3 U V W
DC –
DC +