Xylem IM224 R03 Hydrovar Variable Speed Control HV, 2HP- Manuale Utente Scaricare il pdf (Pagina 4)

Commercial Water

Xylem Inc.

PAGE 4

Section B

Troubleshooting the Rectiﬁer and the IGBT Module (using a Multimeter).

Power Supply disconnected!!!

Single Phase Unit HV 2, 3 HP

Rectifier

AC Input

+ DC

– DC

IGBT

– DC

+ DC

1

a

1

b

1

c

Motor

L1

L2/N

UW

V

DC –

DC +

L1 N U V W

1 2 3 4 5 6 7 8

Hydrovar 1
Xylem Inc 2

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