Product Manual
Table Of Contents
- 1. SQ, SQE introduction
- 2. SQ, SQE applications
- SQ with pressure switch and pressure tank
- Constant-pressure control with CU 301, residential water supply
- Constant-pressure control with CU 301, irrigation
- Maintaining a constant water table
- Emptying or filling a tank
- Pumping from one tank to another
- Setting of operating parameters
- SQE with manual speed control
- 3. Performance range
- 4. SQ, SQE installation
- 5. Sizing and selection
- 6. Cable sizing
- 7. SQ, SQE curve charts
- 8. SQ, SQE technical data
- 9. SQ, SQE construction
- 10. CU331SP variable frequency drive
- 11. Accessories
- 12. SP introduction
- 13. SP product overview
- 14. SP construction
- 15. SP operating conditions
- 16. How to read the curve charts
- 17. SP curve charts and technical data
- 4" and larger wells
- SP 5S (5 gpm)
- SP 7S (7 gpm)
- SP 10S (10 gpm)
- SP 16S (16 gpm)
- SP 25S (25 gpm)
- SP 35S (35 gpm)
- SP 45S (45 gpm)
- SP 62S (62 gpm)
- SP 77S (77 gpm)
- 6" and larger wells
- SP 85S (85 gpm)
- SP 150S (150 gpm)
- SP 230S (230 gpm)
- SP 300S (300 gpm)
- 8" and larger wells
- SP 385S (385 gpm)
- SP 475S (475 gpm)
- 10" and larger wells
- SP 625S (625 gpm)
- SP 800S (800 gpm)
- SP 1100S (1100 gpm)
- 18. SP electrical data
- 19. Accessories
- 20. Energy consumption
- 21. Cables
- 22. Friction loss tables
- 23. Grundfos Product Center
CU331SP variable frequency drive
SQ, SQE, CU 331, and SP
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CU331SP curve charts
TM05 6410 5012
TM05 6412 5012
0 1 2 3 4 5 6 7
Q [US GPM]
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
800
850
900
950
1000
1050
[ft]
H
0.0 0.5 1.0 Q [m³/h]
0
20
40
60
80
100
120
140
160
180
200
220
240
260
280
300
320
[m]
H
5S20-39ds
60 Hz
30 Hz
35 Hz
40 Hz
45 Hz
50 Hz
55 Hz
0 2 4 6 8 10 12 14
Q [US GPM]
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
[ft]
H
0 1 2 Q [m³/h]
0
20
40
60
80
100
120
140
160
180
200
220
[m]
H
10S20-27
60 Hz
30 Hz
35 Hz
40 Hz
45 Hz
50 Hz
55 Hz
TM05 6411 5012
TM05 6413 5012
0 1 2 3 4 5 6 7 8 9 10
Q [US GPM]
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
800
850
900
[ft]
H
0.0 0.5 1.0 1.5 Q [m³/h]
0
20
40
60
80
100
120
140
160
180
200
220
240
260
[m]
H
7S20-32
60 Hz
30 Hz
35 Hz
40 Hz
45 Hz
50 Hz
55 Hz
0 2 4 6 8 10 12 14 16 18 20 22
Q [US GPM]
0
50
100
150
200
250
300
350
400
450
500
550
[ft]
H
0 1 2 3 Q [m³/h]
0
20
40
60
80
100
120
140
160
[m]
H
16S20-18
60 Hz
30 Hz
35 Hz
40 Hz
45 Hz
50 Hz
55 Hz