Cu 300 With Sensors; General - Grundfos CU 300 Installation And Operating Instructions Manual

8. CU 300 with sensors

8.1 General

CU 300 can be used in systems with one to three
sensors connected.
Figure Incorporating sensors
installation incorporating sensors.
1
3
Incorporating sensors
Pos. Description
1 CU 300
pH sensor
2
Detects the water quality.
Pulse flow meter
3
Detects the water quantity.
4 Level sensor
5 Alarm
6 Warning
7 Warning
8 Max. (start)
9 Min. (stop)
10 Warning
You can set the alarm, warning and stop limits
individually for all sensors connected. The limit
settings do not influence each other, and each setting
offers its own functioning.
Figure Limit settings shows a schematic presentation
of the setting of maximum and minimum limits for
alarm, warning and stop respectively.
shows an example of an
pH 100%
5
6
0
2
7
8
9
10
4
B
E
100%
F
0
A
Limit settings
Pos.
A
B
C
D
E
F
You must only set the limits applying to the selected
sensor.
These settings are made in the displays
15.2.4 Analog inputs and 15.2.5 Limits, sensor 1 and
2.
C
D
A
A
Description
Min.
Alarm Max.
Warning Max.
Stop Max.
Sensor signal
Status
25