3
3 Product Description
PS150 BOOST is a highly efficient pump system which pro-
vides city water pressure. It is economical for domestic wa-
ter supply, (drip-) irrigation, livestock, water transfer to re-
mote places and many other applications. It is a surface
pump which must not be submersed.
The pump of PS150 BOOST is a positive displacement vane
type pump.
The PS150 BOOST brushless DC motors are specially made
for this system. The motor is using very advanced raw earth
magnet technology, handmade wiring for highest copper
density and does not need wearing brushes. This results in
an exceptionally high efficiency with low temperature dis-
sipation.
PS150 BOOST can either be used in a battery system with
voltages of 12 V DC or 24 V DC or as a solar-direct system.
Both modes use the same controller PS150.
In battery mode, the solar battery is charged during day-
light hours using an independent charge controller. The
charger works effectively during reduced sunlight condi-
tions when direct pump operation is not possible. The en-
ergy stored in the battery is available to operate the pump
at any time, day or night and during periods of bad weath-
er. Extended bad weather periods with water demands of
up to 10m
3
per day will be reliably bridged due to the high
system efficiency even with low capacity batteries.
The pump is manufactured from non-corrosive material
(stainless steel, brass, aluminum).
4 Placement
WARNING – Pump might heat up in
operation. Pump must not be installed
on combustible dangerous surface, but
e.g. on cement surface or marble surface.
Connecting the pump to the foundation Fastening
the pump to the foundation should be effected exclusive-
ly by means of bolts, threads (or dowels) in order to avoid
blocking the removal of the motor unit.
WARNING – Inlet- and outlet-pipes must
be mounted to the pump housing free of
tension.
4.2 Installation Position
The pump may be mounted horizontally or vertically.
WARNING – lf vertically, FACE THE PUMP
HEAD DOWNWARD.
Rigid mounting is not required in most installations. In
a non battery system, starting is gradual and the pump
does not jerk with the start. In a battery system, it will jerk
slightly, but simply mounting it to a small wooden board is
sufficient to stabilize it. The pump may be hung vertically
on a rope. Observe the pump and see that it is not likely to
overstress or loosen pipes as it starts.
CAUTION – Do not mount the pump
directly to a wall or wood floor in your
home. It will increase the noise.
Changing the pump head position lf you wish to face
the pump’s fittings sideways or downwards, please do. You
may rotate pump head to a different position by loosen-
ing the clamp screw that secure the pump to the motor. BE-
FORE installing the pump, drop a teaspoon of water into
the inlet and run the pump.
It may be installed either max. 3 m below (gravity feed) or
above (suction mode) of the water level. Thereby the geo-
detic head between liquid level and pump inlet must not
exceed 3 m. The suction lift may be significantly reduced by
flow resistance in the suction line (if the pipes are very long
and/or insufficiently dimensioned).
Table 1: Technical Data of Controller
system PS150 Boost 60/125/240/330
max. power input (Vmp)* [V DC] >34
motor power [W] 250
open circuit voltage (Voc) [V DC] 50
input voltage battery [V DC] 12/24
battery low voltage disconnect [V DC] 11/22
battery restart voltage [V DC] 12/24
enclosure type
controller IP54 weatherproof (NEMA type 3R)
motor IPX4 weatherproof (NEMA type 3)
ambient
temperature
storage [°C] –30 to +55
operation of controller [°C] –20 to +50
operation of pump [°C] 0 to +50
*) PV modules at standard test condition: AM = 1.5, E = 1,000 W/m
2
, cell temperature: 25 °C
4.1 Location
WARNING – PS150 Boost pumps must
NOT be submerged in water, or rained or
dripped on.
Controller Location Place the controller close to the so-
lar array, not the pump. This will reduce the risk of lightning
damage. If it is outdoors, mount the controller in a vertical
position to assure that rain will not enter the box.
Protection from heat Electronic devices are most reliable
when they are protected from heat. Mount the controller in
the shade of the mid-day sun. An ideal location is directly
under the solar array or in a nearby shaded location. An al-
ternative is to fold a piece of sheet metal so that it mounts
behind the controller and curves over it to provide shade.
This provides protection in extremely hot climates.
Battery system Place the controller near the batteries but
safely isolated from the battery terminals and from corro-
sive gases. Batteries must be in a cool location for best lon-
gevity and enclosed for cleanliness and safety.
WARNING – HUMIDITY If the pump is
installed in a humid space, effective
ventilation and aeration must be
provided for, in order to prevent
condensation.
WARNING – COOLING In case of very
small installation spaces, the natural
cooling of the air may be so insignificant
that, also there, ventilation and aeration
is necessary in order not to exceed the
environmental temperature of 50°C.
Operating noises Make sure, by applying appropriate
measures, that the environment will not be impaired by any
sound produced by the pump.
Space During installation, make sure that there is enough
space available to permit subsequent disassembly of the
motor unit.
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