Xylem HYDROVAR HV 4.150 / 4.185 / 4.220 - Manual (Page 52)

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b) Active MODE [0105] = Cascade Relay / Cascade Serial / Cascade Synchron
* ADR X PX XX.X Hz
STOP X.XX Bar
1 st display at mode cascade serial and cascade relay
This window shows the status of the HYDROVAR.
*
Indicates the HYDROVAR which actually controls the system
ADR X Pump address
P X
Cascade relay mode: Indicates the number of pumps which are running
e.g.: P3 …. MASTER + 2 fixed speed pumps are running
Cascade serial/synchron mode: Indicates the sequence of the pumps in the
system, depending on the MASTER PRIORITY [0570] and SWITCH INTERVAL [0555]
ON Automatic and external released Stop of the HYDROVAR by pressing ▼
STOP Manually stopped Start of the HYDROVAR by pressing ▲
OFF External release (X3/7-8) is open
To start up the HYDROVAR close external
release or bridge terminal X3/7-8
Indication for MODE – Controller / Cascade Relay / Cascade Serial / Cascade Synchron
02
02 REQUIRED VAL
D1 X.XX Bar
Set the desired required value with ▲ or ▼
The current REQUIRED VALUE and its source (by the additional information) are shown in
this window.
D1 internal - required value 1 (set by parameter 0820)
D2 internal - required value 2 (set by parameter 0825)
U1 required value 1 - voltage signal input (Connected to X3/13)
U2 required value 2 - voltage signal input (Connected to X3/15)
I1
required value 1 – current signal input (Connected to X3/18)
I2 required value 2 – current signal input (Connected to X3/23)
S
G