Xylem hydrovar User Manual

• Actual value (increase, decrease)
• Frequency (enable, disable, drop)
• Delay (enable, switch, disable)
• Overvalue
• Overvalue delay
• Switch intervals
• Synchronous frequency limit and window
For example and more information, see P500 Example: P500 SUBMENU SEQUENCE
CNTR. (page 104).
P505 ACT.VAL.INC.
G
P505 ACT.VAL.INC.
0.35 bar
Actual Value Output Freq.
Left fct. Up fct. Down fct. Right fct.
Sets the lift value on the range 0.00 - P420 SENSOR RANGE.
P510 ACT.VAL.DEC.
G
P510 ACT.VAL.DEC.
0.15 bar
Actual Value Output Freq.
Left fct. Up fct. Down fct. Right fct.
Sets the drop value on the range 0.00 - P420 SENSOR RANGE.
P515 ENABLE FRQ.
G
This parameter (default value 48.0Hz, possible setting 0.0-70.0Hz) sets the desired release
frequency for the following pumps.
P515 ENABLE FRQ.
48.0 Hz
Actual Value Output Freq.
Left fct. Up fct. Down fct. Right fct.
The next pump starts when this value is reached and the system pressure drops below the
difference (P02 REQUIRED VAL. - P510 ACT.VAL.DEC.).
P520 ENABLE DLY.
This parameter only applies to cascade relay!
8 Programming
HVL 2.015-4.220 Installation, Operation, and Maintenance Manual 75

Xylem hydrovar Specifications

General

Frequency	50/60 Hz
Control type	Variable speed drive
Protection class	IP55
Communication protocols	Modbus
Relative Humidity	5% - 95% (non-condensing)
Altitude	Up to 1000 m without derating
Input voltage	200-690 V AC
Storage Temperature	-25°C to +70°C (-13°F to 158°F)