Grundfos CUE Series Product Guide

Functions
Grundfos CUE
13
Operating modes
These operating modes can be selected with the CUE:
•Normal
•Stop
•Min.
•Max.
The operating modes can be set without changing the
setpoi
nt 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.
Fig. 3 Min. and max. curves
TM03 8813 2507
Min.
Max.

Grundfos CUE Series Specifications

General

Category	DC Drives
Output Voltage	24 V DC
Control Signal	0-10 V, 4-20 mA
Communication	Modbus RTU
Protection Features	Overvoltage, overcurrent, overtemperature, short circuit
Humidity	5% to 95% (non-condensing)
Enclosure class	IP20
Enclosure Rating	IP20