Grundfos CME User Manual

English (GB)
18
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. 19.
Fig. 19 Pump in constant-curve control mode
Setting to maximum curve:
•Press
continuously to change over to the
maximum curve of the pump (top light field
flashes). When the top light field is on, press
for 3 seconds until the light field starts flashing.
• To go back, press
continuously until the
desired setpoint is indicated.
Example: Pump set to maximum curve.
Figure 20 shows that the top light field is flashing,
indicating maximum curve.
Fig. 20 Maximum curve duty
Setting to minimum curve:
•Press
continuously to change over to the
minimum 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 go back, press continuously until the
desired setpoint is indicated.
Example: Pump set to minimum curve.
Figure 21 shows that the bottom light field is
flashing, indicating minimum curve.
Fig. 21 Minimum curve duty
10.1.3 Start-stop of pump
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.
Start the pump by pressing
or by continuously
pressing until the desired setpoint is indicated.
If you have stopped the pump by pressing , it can
only be given free to operation by pressing again.
If you have stopped the pump by pressing , it can
only be restarted by pressing .
You can also stop the pump with Grundfos GO or via
a digital input set to External stop. See section
15. Priority of settings.
10.1.4 Resetting of fault indications
You can reset a fault indication in one of the
following ways:
• Via the digital input if you have set it 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 then
on again.
• With Grundfos GO.
TM05 4895 2812TM05 4896 2812
H
Q
Max.
Min.
H
Q
TM05 4897 2812
H
Q

Grundfos CME Specifications

General

Liquid temperature range	0 °C to +60 °C
Maximum operating pressure	10 bar
Series	CME
Frequency	50/60 Hz
Max Pressure	10 bar
Pump Type	Centrifugal
Material	Stainless steel
Applications	pressure boosting, irrigation
Pumped liquid	Clean water
Approvals	CE
Max Liquid Temperature	60°C
Power Supply	1-phase or 3-phase