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
SQ, SQE applications
SQ, SQE, CU 331, and SP
2
13
Setting of operating parameters
Using the R100 and the CU 300 enables change of the
motor speed and thereby setting of the pump to a
specific performance.
The software program "SQE Speed Calculation" has
been developed for the calculation of the speed in
order to obtain the required flow rate and head.
Dry-running protection
The value P
cut-out,
ensuring dry-running protection, is
factory-set for the SQE pump.
If the speed of the SQE pump is reduced by more than
1000 rpm, the P
cut-out
value must be readjusted by
means of the CU 300 and R100.
Fig. 11 Application example: Workshop setting of operating parameters
TM01 8650 4801
Note: The SQE pump must not be started until the
pump has been completely submerged below the water
table. However, the change of the motor speed can be
made even if the pump is not submerged.
R100
CU 300
SQE
Part Type No. of units Product number Unit price Total price
Pump SQE
Remote control R100
Control unit CU 300
SQE Speed Calculation program