SQFlex data booklet

1. Product data ........................ ...3
Performance range ..................... ...3
Applications .......................... ...4
SQFlex system ........................ ...4
Type keys ........................... ...6
Pumped liquids........................ ...6
Curve conditions....................... ...6
System overview....................... ...7
2. Features and benefits ................ ...9
Dry-running protection ................... ...9
High efficiency ........................ ...9
Over- and undervoltage protection .......... ...9
Overload protection..................... ...9
Overtemperature protection ............... ...9
Maximum Power Point Tracking ............ ...9
Wide voltage range ..................... ...9
Reliability............................ ..10
Installation ........................... ..10
Service ............................. ..10
3. Applications ........................ ..11
SQFlex Solar ......................... ..11
SQFlex Solar with CU 200 and level switch .... ..12
SQFlex Solar with backup generator ......... ..13
SQFlex Solar with CU 200 and backup generator ..14
SQFlex Solar with backup batteries.......... ..15
SQFlex Wind with CU 200 and level switch .... ..16
SQFlex Combi with CU 200 and level switch ... ..17
SQFlex system with generator as a power supply ..18
4. System components ................. ..19
SQF submersible pump .................. ..19
CU 200 SQFlex control unit ............... ..20
CIU 903 SQFlex control unit for remote monitoring..21
IO 50 SQFlex switch box ................. ..22
IO 101 SQFlex switch box ................ ..22
IO 102 SQFlex breaker box ............... ..23
Charge controller ...................... ..23
Wind turbine.......................... ..23
Generator ........................... ..23
5. System sizing ....................... ..24
Sizing of an SQFlex system ............... ..24
Voltage effect on pump efficiency ........... ..24
Solar panel wiring ...................... ..24
6. Performance curves.................. ..26
3 SQF-2............................. ..26
3 SQF-3............................. ..26
5 SQF-80............................ ..27
5 SQF-200 ........................... ..27
6 SQF-2............................. ..28
6 SQF-3............................. ..28
11 SQF-2 ............................ ..29
16 SQF-10 ........................... ..29
15 SQF-290 .......................... ..30
25 SQF-3............................ ..30
25 SQF-7............................ ..31
22 SQF-220 .......................... ..31
35 SQF-4............................ ..32
30 SQF-160 .......................... ..32
45 SQF-3............................ ..33
77 SQF-3............................ ..33
7. Technical data ...................... ..34
Dimensions and weights ................. ..34
Electrical data......................... ..35
SQF pump ........................... ..35
CU 200 SQFlex control unit ............... ..36
CIU 903 SQFlex control unit ............... ..36
IO 50 SQFlex switch box ................. ..37
IO 101 SQFlex switch box ................ ..37
IO 102 SQFlex breaker box ............... ..37
Material specification, helical rotor pump ...... ..38
Material specification, 3" SQ(F) hydraulic ...... ..39
Material specification, 16 SQF-10, 25 SQF-3 ... ..40
Material specification, 35 SQF-4, 45 SQF-3, 77
SQF-3 .............................. ..41
Material specification, MSF 3, 500-3600 RPM... ..42
Material specification, MSF 3, 3000-10700 RPM . ..43
8. Product numbers .................... ..44
SQF submersible pump .................. ..44
CU 200 SQFlex control unit ............... ..44
CIU SQFlex (GRM) control unit............. ..44
IO 50 SQFlex switch box ................. ..44
IO 101 SQFlex switch box ................ ..44
IO 102 SQFlex breaker box ............... ..44
9. Accessories ........................ ..45
Level switch .......................... ..45
Zinc anodes .......................... ..45
Grease ............................. ..45
10. Grundfos Product Center ............. ..46
SQFlex
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