English (GB)
15
10.1.2 Pump in constant-curve control mode
In constant-curve control mode, the pump
performance lies between the maximum and
minimum curve of the pump. See fig. 17.
Fig. 17 Pump in constant-curve control mode
Setting to maximum curve:
•Press
continuously to change over to the
maximum curve of the pump. The top light field
flashes. When the top light field is on, press
for 3 seconds until the light field starts flashing.
• To change back, press
continuously until the
desired setpoint is indicated.
Example
Pump set to maximum curve.
Figure 18 shows that the top light field is flashing,
indicating maximum curve.
Fig. 18 Maximum-curve duty
Setting to minimum curve:
•Press
continuously to change over to the
minimum curve of the pump. The bottom light
field flashes. When the bottom light field is on,
press
for 3 seconds until the light field starts
flashing.
• To change back, press continuously until the
desired setpoint is indicated.
Example
Pump set to minimum curve.
Figure 19 shows that the bottom light field is
flashing, indicating minimum curve.
Fig. 19 Minimum-curve duty
10.1.3 Start-stop of pump
Start the pump by pressing
or by continuously
pressing until the desired setpoint is indicated.
Stop the pump by pressing . When the pump is
stopped, the "Stop" text next to the button is on. You
can also stop the pump by continuously pressing
until none of the light fields are on.
You can also stop the pump with the Grundfos GO or
via a digital input set to External stop. See section
16. Priority of settings.
10.1.4 Resetting of fault indications
Reset a fault indication in one of the following ways:
• Via the digital input if it has been set to Alarm
resetting.
• Briefly press or
on the pump. This does not
change the setting of the pump.
You cannot reset a fault indication by pressing
or
if the buttons have been locked.
• Switch off the power supply until the indicator
lights are off.
• Switch the external start-stop input off and on.
• With Grundfos GO.
TM05 4895 2812TM05 4896 2812
TM05 4897 2812
If you have stopped the pump by pressing
and the "Stop" text on the control panel
is on, you can only give it free to operation
by pressing again.
If you have stopped the pump by pressing
, you can restart it by pressing or by
using Grundfos GO.