Solar pumping is now firmly established as the technology for water supply in remote off-grid applications and also as the costs reduce increasingly for general pumping duties. Dayliff have been leaders in the technology since the birth of the industry and today offer a wide range of options for every solar pumping requirement imaginable. Particularly a range of competitive, high specification solar pumping systems have been developed for smaller scale applications which are based on robust submersible solar pumps specially designed for PV powered water supply from wells and boreholes.
Together with the pump all systems include:-
- The appropriate specifications and number of Grade 1 PV modules with connectors for simplified installation
- Submersible drop cable and joint together with 10m module connection cable
- DC solar isolator with MCB control provided for module isolation
- Safety rope and HDPE pipe connectors
Module supports and piping are not included. The various systems offered give a wide range of duties, indicative performance being given. Full details of pump performance and specification is given in the Dayliff Product Manual and should be referred to when selecting equipment.
SUNFLO-S
Positive displacement type of three chamber diaphragm design. They are manufactured from high quality engineering plastics with plastic casings for the 150 model and stainless steel for the 300. Pumps can be connected directly to a 24V PV power supply for daytime only pumping or through a charge controller connected to batteries for extended daily operation.
SUNFLO-B2
Higher specification pumps of both helical rotor and centrifugal type that are provided with separate controllers that feature MPPT technology to maximise pumping output as well as providing electrical protection and indicator lights giving operating status. Batter y connection is also available for extended daily pumping.
PUMP DATA
| Pump Model |
Indicative Performance |
Input Voltage(V) |
Motor Rating (W) |
Peak Voltage(V) |
Open Cirtcuit Voltage (VoC) |
PV Modules |
Cable length, 2.5mm² |
Outlet size |
| SUNFLO-S 300 |
3m³/day at 60m |
24 |
300 |
24 |
<50 |
2x200W |
60m |
¾ |
| SUNFLO-B2 400C3 |
9m³day at 30m |
48 |
400 |
40 - 75 |
<105 |
2x350W |
30m |
1¼ |
| SUNFLO-B2 800C3 |
10m³/day at 50m |
72 |
800 |
70 - 110 |
<170 |
2x545W |
50m |
| SUNFLO-B2 1100C3 |
12m³/day at 80m |
110 |
1100 |
100 - 150 |
<210 |
3x545W |
80m |
| SUNFLO-B2 1300C3 |
13m³/day at 100m |
150 |
1300 |
130 - 180 |
4x545W |
100m |
| SUNFLO-B2 1500C3 |
15m³/day at 110m |
1500 |
4x700W |
110m |
Note1: Greater water outputs will be available at lower heads
Note2: Actual performance will be determined by site conditions and irradiation levels.
