Product Manual

Table Of Contents
SQ, SQE applications
SQ, SQE, CU 331, and SP
2
10
Maintaining a constant water table
A constant water table can be maintained by adjusting
pump performance. It may be important to maintain a
constant water table, e.g. in connection with keeping
out the groundwater on a building site or water
remediation projects.
The example shows how to maintain a constant water
table by adjusting pump performance.
Sensors
Fig. 8 Application example: Maintaining a constant water table
Level Description Reaction
Level sensor (pos. 11)
Warning (max.)
Too high water level.
Possible cause: Insufficient
pump capacity.
Alarm relay operates.
Desired level
The water level which
should be maintained.
Warning (min.)
Too low water level.
Possible cause: Too high
pump capacity.
Alarm relay operates.
TM01 2459 2810
22
31
2
3
30
31
11
R100
5
21
29
1
1 Pump, SQE
2Cable
3 Cable clips
5 Control unit, CU 300
11 Level sensor
21 Mains connection
22 Riser pipe
29 Remote control, R100
30 Safety cable
31 Wire clamp
R100
Warning (max.)
Desired level
Warning (min.)
Recommended min. 20 inches (0.5 m)
Min. 0.5 m
Pos. Part Type No. of units Product number Unit price Total price
1Pump SQE
2 Cable
3 Cable clips
5 Control unit CU 300
11 Level sensor
29 Remote control R100
30 Safety cable
31 Wire clamp