Xylem IM224 R03 Hydrovar Variable Speed Control HV, 2HP- Manual de usuario descargar pdf (Pagina 3)

Commercial Water

Xylem Inc.

PAGE 3

Section A (continued)

Troubleshooting the Control Card (using a Multimeter).

Power Supply disconnected!!!

Note

When the HYDROVAR is connected to power supply, the components of

the power unit as well as certain Components of the Control Card remain

under voltage.

Touching these components seriously endangers life!

All work, carried out at opened HYDROVAR, must be performed by qualiﬁed and

authorized technicians.

The following tests have to be made without connected cables.

1) Sensor Power Supply:

X3/1 (GND) – X3/3 => 24 VDC

X3/1 (GND) – X3/24 => 24 VDC

2) Internal Ref. for Analog Output:

X3/1 (GND) – X3/19 => 10 VDC

3) Digital Inputs:

External On/Off X3/ 7 – X3/8 (GND) => 5 VDC

Conf. Digital Input 1 X3/ 9 – X3/10 (GND) => 5 VDC

Low Water X3/ 11 – X3/12 (GND) => 5 VDC

1 2 3 4 5 6 7 8

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Xylem IM224 R03 Hydrovar Variable Speed Control HV, 2HP- Manual de usuario Pagina 3