Setting The Product; Factory Setting; Setting By Means Of Control Panel; Setting Of Operating Mode - Grundfos CRE Serie Notice D'installation Et De Fonctionnement

5. Setting the product

5.1 Factory setting

5.1.1 Pumps without factory-fitted sensor
The pumps have been factory-set to control mode uncontrolled.
The setpoint value corresponds to 100 % of the maximum pump
performance (see data sheet for the pump).
5.1.2 Pumps with pressure sensor
The pumps have been factory-set to control mode controlled. The
setpoint value corresponds to 50 % of the sensor measuring
range (see sensor nameplate).

5.2 Setting by means of control panel

The pump control panel, see fig. 28, incorporates the following
buttons and indicator lights:
• Buttons, and , for setpoint setting.
• Light fields, yellow, for indication of setpoint.
• Indicator lights, green (operation) and red (fault).
Light fields
Indicator lights
Fig. 28 Control panel, three-phase pumps, 20-30 hp
26

5.3 Setting of operating mode

Settings available:
• Normal
• Stop
• Min.
• Max.
Start/stop of pump
Start the pump by continuously pressing
setpoint is indicated. This is operating mode Normal.
Stop the pump by continuously pressing
fields are activated and the green indicator light flashes.
Setting to Min.
Press continuously to change to the min. curve of the pump
(bottom light field flashes). When the bottom light field is on,
press for 3 seconds until the light field starts flashing.
To return to uncontrolled or controlled operation, press
continuously until the desired setpoint is indicated.
H
Buttons
Fig. 29 Min. curve duty
Setting to Max.
Press continuously to change to the max. curve of the pump
(top light field flashes). When the top light field is on, press
3 seconds until the light field starts flashing.
To return to uncontrolled or controlled operation, press
continuously until the desired setpoint is indicated.
H
Fig. 30 Max. curve duty
until the desired
until none of the light
Q
Q
for