English (US)
14
9.3 Control mode
9.3.1 Pumps without factory-fitted sensor
The pumps have been factory-set to constant-curve control
mode.
In this control mode, the pump will operate according to the
constant curve set. See fig. 17.
Fig. 17 Pump in constant-curve control mode
Factory setting
Pumps supplied without sensor have been factory-set to
constant-curve control mode.
The setpoint value corresponds to 100 % of the maximum pump
performance. See data booklet or WebCAPS.
9.3.2 Pumps with factory-fitted pressure sensor
The pressure sensor is fitted on the pump discharge side, and the
pump is set to constant pressure.
In this control mode, the pump will adjust its performance, i.e.
pump discharge pressure, to the desired setpoint (H
set
). See fig.
18.
Fig. 18 Pump in constant-pressure control mode
Factory setting
Pumps supplied with pressure sensor have been factory-set to
constant-pressure control mode.
The setpoint value corresponds to 50 % of the sensor measuring
range. See sensor nameplate.
10. User interfaces
Pump settings can be made by means of the following user
interfaces:
Control panel
• Standard control panel.
See section 10.1 Standard control panel.
Remote controls
• Grundfos R100 remote control.
See section 10.3 R100 remote control.
• Grundfos GO Remote.
See section 10.4 Grundfos GO Remote.
If the power supply to the pump is switched off, the settings will
be stored.
10.1 Standard control panel
Fig. 19 Standard control panel
TM05 6403 4712TM05 6398 4712
Warning
The product may be so hot that only the buttons
should be touched to avoid burns.
TM05 4848 3512
Pos. Symbol Description
1
Grundfos Eye
Shows the operating status of the pump.
See section 14. Grundfos Eye for further
information.
2 - Light fields for indication of setpoint.
3 Changes the setpoint.
4
Enables radio communication with the
Grundfos GO Remote and other products of
the same type.
5
Makes the pump ready for operation/starts
and stops the pump.
Start:
If the button is pressed when the pump is
stopped, the pump will only start if no other
functions with higher priority have been
enabled. See section 13. Priority of
settings.
Stop:
If the button is pressed when the pump is
running, the pump will always be stopped.
When the pump is stopped via this button,
the "Stop" text next to the button will
illuminate.