Xylem inc, Commercial water – Xylem IM224 R03 Hydrovar Variable Speed Control HV, 2HP-15HP Version 0307 User Manual
Page 5
Advertising
Commercial Water
Xylem Inc.
PAGE 5
Check the following values:
Black Wire (GND)
Red Wire of Multimeter
Result
Rectifier Values
L1
DC+
OL (Overload)
N
L1
DC-
0.54 V
N
DC+ L1 0.57 V
N
DC– L1 OL (Overload)
N
IGBT Values
U
DC+
V
0.48 V
W
U
DC–
V
OL (Overload)
W
U
V
DC+
OL (Overload)
W
U
V
DC–
0.45 V
W
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.
Advertising