Xylem HV 1.1 - 1.2 - Manual (Page 39)

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After changing of the value, you have to confirm with the Î button.
Then you will get the message “SAVE PARAMETER” for a short time, when the new setting
is saved!
Use the settings of this submenu (lift value, fall value, enable sequence control and
switch interval) for each pump in the Hydrovar system
Hold the Î button down for 3 seconds to return to: SUBMENU
CONTROLLER
Hold the Î button down again for 3 seconds to return to
the 1
st display
PRESSURE x.x bar
SPEED xx Hz
If you set the addresses in a multiple pump system the first time, connect only the
Hydrovar unit where you want to set the address to power supply otherwise all
Hydrovars in the system connected over the RS485-interface will change their
address, too
In the following section you will give the pump an address number. Generally, the first
programmed pump will be number 1, the second will be number 2, and so on. The
purpose of this is to help the Hydrovar sequence the start and stop activity of the pumps in
the system including the selection of the lead and lag pumps.
From the 1 st display, hold the Î button for longer than 3
sec. to get the display, where the actual address is show
Address 01
Detected
or
When there is no active address, there is shown Address 01
L O S T
Then press the Í button twice to change to
Submenu
Address
Press the Ð button to enter the submenu and change to
Address Change
00 --> 00 *
Addresses from 01 to 04 and also 00 can be set in this parameter. To change the address
it is not necessary to cut the interface connection to other HYDROVARS.
On the left side there is shown the address of the HYDROVAR, which you are actually
speaking (select the address by using the buttons Ï or Ð). On the right side, then you
can give the HYDROVAR a new address also with the buttons Ï and Ð
. You only can
give an address, which is not used in the pump group!
To change between left and right side, press buttonÍ or Î. The star shows the actual
used side.
To save the new selected address press both buttons (Ï
a nd Ð) together for 2 sec. If it
was successfully you will see the same address on both sides.