Product Manual

Table of contents
2
SQ, SQE, CU 331, and SP
1. SQ, SQE introduction 4
SQ, SQE features and benefits 4
SQ, SQE identification 6
2. SQ, SQE applications 7
SQ with pressure switch and pressure tank 7
Constant-pressure control with CU 301,
residential water supply 8
Constant-pressure control with CU 301,
irrigation 9
Maintaining a constant water table 10
Emptying or filling a tank 11
Pumping from one tank to another 12
Setting of operating parameters 13
SQE with manual speed control 14
3. Performance range 15
4. SQ, SQE installation 16
5. Sizing and selection 17
System sizing guide 17
6. Cable sizing 18
Cable sizing chart 18
7. SQ, SQE curve charts 19
5 SQ, SQE 19
10 SQ, SQE 20
15 SQ, SQE 21
22 SQ, SQE 22
30 SQ, SQE 23
8. SQ, SQE technical data 24
Electrical data 24
Operating conditions 24
Motor data 25
Dimensions and weights 26
9. SQ, SQE construction 27
Materials of construction 27
SQ, SQE material specification 28
Control units for SQ, SQE 29
CU 301 29
CU 300 32
10. CU331SP variable frequency drive 36
Features 36
Applications 36
System components 36
Identification 37
CU331SP product range 37
CU331SP performance range 37
CU331SP sizing 37
CU331SP operation 37
CU331SP installation 41
CU331SP electrical connection 42
CU331SP technical data 49
CU331SP curve charts 51
11. Accessories 57
CU 301 Constant Pressure System 57
CU 300 Status Box & R100 57
SQ, SQE flow sleeves 57