Xylem IM224 R03 Hydrovar Variable Speed Control HV, 2HP- Manuale Utente Scaricare il pdf (Pagina 5)

Commercial Water

Xylem Inc.

PAGE 5

Check the following values:

Black Wire (GND) Red Wire of Multimeter Result

Rectiﬁer Values

DC+ OL (Overload)

DC- 0.54 V

DC+

0.57 V

DC–

OL (Overload)

IGBT Values

DC+ V 0.48 V

DC– V OL (Overload)

V DC+ OL (Overload)

V DC– 0.45 V

NOTE: Put multimeter on diode check ( ).

Result:

- If the above mentioned values between power supply and DC part are signiﬁcantly different

=> Rectiﬁer may be damaged.

- If values between motor connection and DC part are signiﬁcantly different

=> IGBT module may have a failure.

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Xylem IM224 R03 Hydrovar Variable Speed Control HV, 2HP- Manuale Utente Pagina 5