Setpoint Setting; Pump In Controlled-Operation Mode (Pressure Control); Pump In Uncontrolled-Operation Mode; Setting To Max. Curve Duty - Grundfos CRE Installation And Operating Instructions Manual

5.1 Setpoint setting

The desired setpoint is set by pressing the button
The light fields on the control panel will indicate the setpoint set.
See examples in sections 5.1.1 and 5.1.2.

5.1.1 Pump in controlled-operation mode (pressure control)

Example:
Figure 20 shows that the light fields 5 and 6 are activated,
indicating a desired setpoint of 3 bar. The setting range is equal
to the sensor measuring range (see sensor nameplate).
[bar]
6
3
0
Fig. 20 Setpoint set to 3 bar, pressure-control mode

5.1.2 Pump in uncontrolled-operation mode

Example:
In uncontrolled-operation mode, the pump performance is set
within the range from min. to max. curve, fig. 21.
H
Fig. 21 Pump performance setting, uncontrolled-operation
mode

5.2 Setting to max. curve duty

Press continuously to change to the max. curve of the pump
(top light field flashes). When the top light field is on,
pressed for 3 seconds before the light field starts flashing.
To return to uncontrolled or controlled operation, press
continuously until the desired setpoint is indicated.
H
Q
Fig. 22 Max. curve duty

5.3 Setting to min. curve duty

or . Press
(bottom light field flashes). When the bottom light field is on,
must be pressed for 3 seconds before the light field starts
flashing.
To return to uncontrolled or controlled operation, press
continuously until the desired setpoint is indicated.
Fig. 23 Min. curve duty

5.4 Start/stop of pump

Stop the pump by continuously pressing
fields are activated and the green indicator light flashes.
Start the pump by continuously pressing
setpoint is indicated.

6. Setting by means of R100

The pump is designed for wireless communication with the
Grundfos remote control R100.
Q
Fig. 24 R100 communicating with the pump via infra-red light
must be
During communication, the R100 must be pointed at the control
panel. When the R100 communicates with the pump, the red
indicator light will flash rapidly.
The R100 offers additional possibilities of setting and status
displays for the pump.
The displays are divided into four parallel menus, fig. 25:
0. GENERAL (see operating instructions for the R100)
1. OPERATION
2. STATUS
3. INSTALLATION
The number stated at each individual display in fig. 25 refers to
the section in which the display is described.
continuously to change to the min. curve of the pump
H
Q
until none of the light
until the desired
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