Operating Modes - Grundfos CUE Series Product Manual

Functions
Grundfos CUE

Operating modes

These operating modes can be selected with the CUE:
• Normal
• Stop
• Min.
• Max.
The operating modes can be set without changing the
setpoint setting.
Normal
The pump operates in the control mode selected. See
page 14.
The control modes are different ways of controlling the
pump speed when the operating mode is set to Normal.
Stop
The pump has been stopped by user.
Min. curve
The pump is running at a set value for minimum speed.
See fig. 3.
This operating mode can for instance be used in peri-
ods with a very small flow requirement.
Max. curve
The pump is running at a set value for maximum speed.
See fig. 3.
This operating mode can for instance be used for vent-
ing the pump during installation.
Max.
Min.
Fig. 3 Min. and max. curves
13