Grundfos UPED 50-12 Montage- Und Betriebsanleitung Seite 142

7.6.4 Buttons on pump
To prevent unauthorized persons from operating the
pump, the function of the buttons "+" and "–" can be
deactivated in this display. The buttons can be reac-
tivated only by means of the R100.
The buttons can be set to:
• Active,
• Not active.
7.6.5 Pump number
A number between 1 and 64 can be allocated to a
pump or can be changed so that the R100 or Pump
Management System 2000 can distinguish between
two or more pumps.
The Pump Management System 2000 can, however,
only accept the numbers 1 to 8.
7.6.6 Twin-head pump
3
This display offers the following options:
Selection of operating mode for twin-head pump:
If field 1 reads "Twin", field 2 offers the choice
between three operating modes:
• Alternating (alternating operation),
• Synchron. (synchronous operation),
• Standby (standby operation).
Description of function, se section 6.1 Control of
twin-head pumps.
Setting the pump to single-pump operation:
In the single-pump operation mode, the master and
slave pumps run independently of each other without
internal communication and with a sensor each.
To set the pump to this operating mode, the commu-
nication between master and slave is to be discon-
nected in one of the following ways:
142
1. If the master and slave pumps are connected
2. If there is a fault in the master-slave commu-
The slave pump will now be running according to the
factory settings unless its settings have been
changed.
Setting the pump to twin-pump operation:
If the pump is running like a single-head pump, the
communication can be restored in the following way:
1. Check that the bus cable between master and
2. Check that both pump heads are connected to
3. Check that the operating mode of the slave pump
4. Check that the slave pump has been set to
1
5. Point the R100 at the master pump.
6. Choose "Twin" in field 1.
7. Press "OK".
2
8. Press "+" or "–" on the control panel of the
* If correct connection was not established because
5 seconds passed before "+" or "–" was pressed,
the red indicator light of the master pump will be
on. Go through the procedure all over again to
establish connection.
correctly:
1. Point the R100 at the master pump.
2. Choose "Single" in field 1.
3. Press "OK".
nication (red indicator lights of both pumps
are on):
1. Point the R100 at the master pump.
2. Choose "Single" in field 1.
3. Press "OK".
The master pump will now be running like
an ordinary single-head pump and the red
indicator light will go out.
4. Switch the R100 off and on again.
5. Point the R100 at the slave pump.
Field 1 is already reading "Single".
6. Press "OK" twice in field 1.
The slave pump is now running like a
single-head pump.
slave pump is connected to the pump heads.
the mains supply.
is "Normal".
"Single" in the display "Twin-head pump".
After a short while, the green indicator light on
the slave pump will start flashing rapidly for
5 seconds, indicating that the pump is ready to
be the slave pump of a twin-head pump. (If the
pump is installed in a bus system with many
pumps, the green indicator lights of all possible
slave pumps in the system will start flashing.)
selected slave pump (while the light is flashing *).
The light fields of the slave pump will go out and
the green indicator light will be flashing 20 times
per minute to indicate that correct connection has
been established.