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Pentair NOCCHI VSD - Page 22

Pentair NOCCHI VSD
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18
Display Description Button
NO
INIBIT INPUT
If the installation does not have a minimum level sensor press the button ENTER to validate NO.
If the installation has a level sensor, use the buttons
to change NO to YOU.
ENTER
PROGRAMMING MENU
This screen indicates switching from the Configuration menu to the programming phase.
ENTER
,3 5
SET PRESSURE
This will be the working pressure of the system. Use the keys to change the initial value (2 bar).
ATTENTION! The required pressure should be 1 bar below the maximum pressure of the pump.
NOTE: In the case of pressure group installation, this work at the required pressure is set on the
MASTER device. Therefore, configuration of the required pressure in the SLAVE device is superfluous.
ENTER
,0 6 bar
DIF. START.
The default value is 0 bar. This pressure is what the system will subtract from the required pressure, thus
resulting in the final pressure at which the system will activate the pump when there is a request in the hydraulic
network. Use the keys
to change the initial value. It is advisable to keep this value between 0.3 and
0.6 bar. Example:
- Required pressure PRIC: 2 bar.
- Start-up differential 0.6 bar
- Final start-up pressure: 2 - 0.6 = 1.4 bar.
The differential value must be greater the lower the volume of the expansion vessel is.
ENTER
5 s
TIMER STOP
The default SLEEP TIMER is 5". This will be used by the device to stop once the water consumption throughout
the installation has ceased. Use the keys
to change the initial value.
ENTER
Standard
VIEW MODE
There are 2 screen options to choose from:
-STANDARD: "P LAV" (actual pressure of installation) and "P RIC" (pressure of work required)
-SERVICE: "Hz" is displayed (frequency of the drive of the variator), “P RIC” (work pressure required), "P LAV"
(actual pressure of installation) and "FL" (state of flow sensor).
ENTER
Slave
SERIAL CONTROL
The default value is "SLAVE".
In the case of individual assembly confirm "SLAVE" by pressing the button
ENTER.
In the case of Group installation (MASTER-SLAVE), the device to be designated as SLAVE is
configured the same way. In the MASTER device change the "slave" option to "master" by pressing
the button
.
ENTER
CH: 1
DIRECTION
This displays the communication line.
ENTER
,2 2 bar
PLINE PSET
,3 5 bar
Press the ENTER button The system will be configured showing the type of view previously chosen. Press
the button
ON/OFF to leave the manual operation mode.
In the case of group assembly press ON/OFF only on the MASTER device.
ON/OFF
IN MASTER & SLAVE MODE.
In case of group assembly, press the
ON / OFF button in the MASTER device, the or AUT LED of the
SLAVE device will begin to light up intermittently, indicating that communication between both the devices is working properly. If
this does not work, examine the connection (Fig.6a, 6b or 6c).
EN

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