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 SunPumps
SCS series submersibles are high quality, maintenance-free, DC power
pumps specifically designed for water delivery in remote locations.
They operate on 140 to 2000 watts of DC power from 30 to 180 DC
volts. The power may be supplied from a variety of independent sources
including solar modules, wind generators, batteries or any combination
of the three.
The submersible motors incorporate the latest in high efficiency,
permanent magnet, brush-less DC technology. They are constructed
of corrosion resistant, marine grade bronze and stainless steel.
Supplied with an industry standard NEMA connection, they bolt directly
to standard 4" submersible pumps ends. Internal pressure equalization
allows motor submergence to any depth without damage to seals.
The pump ends are multi-stage centrifugals constructed of stainless
steel, or stainless steel and marine grade bronze on select models.
The impellers are wear resistant glass filled, engineered composite
and are resistant to mineral and algae deposits. The bowls are constructed
of stainless steel for strength and abrasive resistance.
SCS Series DC Submersible Pumps (PDF) 299 KB
 SunPumps
SDS-Series Submersible Pumps are highly efficient low voltage, DC
powered, diaphragm type positive displacement pumps designed specifically
for water delivery in remote locations. They operate on 12 to 30
volts of DC power that may be supplied from a variety of independent
power sources including solar panels, wind generators batteries
or any combination of the three.
Constructed of marine grade bronze stainless steel, these pumps
are the highest quality pumps in their class.
The SDS series pumps can be installed below the water level in a
pond, river or cistern, or installed by hand into a ground water
well. They can be used to fill an open tank or in a pressurized
water delivery system.
Simplicity is the key feature of the SDS series pumps. They are
easy to install, require very little maintenance, and are completely
serviceable.
SDS Series DC Submersible Pumps (PDF) 301 KB
 SunPumps
PC and PV series pump controllers are high quality, micro-processor
based, DC power converters designed as the interface between a DC
powered pump and the power source.
The DC source may be solar panels, wind generators, batteries,
or any combination of the three. The main purpose of the controller
is to maximize the total daily output while providing protection
for the pump as well as the power source.
The primary function of the PC series controllers is to boost the
current of solar modules in low sunlight conditions while holding
the voltage constant around the maximum power point. This allows
a pump to start earlier in the morning and run longer at the end
of the day as well as on cloudy days.
With the PC series controllers, our adjustable output voltage adjustment
models can be used to regulate the input voltage to a pump, helping
match the output of the pump to the flow rate of a weak well. It
can also be used to reduce a high voltage battery system to match
the input requirements of a lower voltage pumping system.
The primary function of the PV series controller is to boost the
voltage of a battery or low voltage panel system to match the desired
input voltage of a pump. For example, a PVA30-M1 controller with
a 12 to 24 volt input will boost the output to 30 volts, the optimum
operating voltage of an SDS series pump.
PCA & PCB Series Pump Controllers (PDF) 371 KB
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