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9.5 System Wiring for 12-24 V Solar Direct Operation
12-24 V Solar direct system:
Voltage from panels will read 22-
44 V when disconnected (open
circuit).
Use the left power terminals to
connect the solar array with the
controller
Note: The jumper wire on
terminal 6 and 7 must be taken
out for solar direct mode.
Remote Tank Float Switch:
Connect float switch to terminals
4-5 of the pump controller when it
breaks contact on rise, to turn the
pump OFF.
Otherwise use terminals 3-4 for
opposite function.
9.6 Power Control for Solar Direct Operation
PS150 BOOST requires nearly constant current,
regardless of the voltage/speed. When low light
conditions are present, the PV array cannot supply full
current. The voltage will drop to nearly zero, and the
pump will "stall" (like a truck trying to start in 4th gear).
The PUMP CONTROLLER, also called LINEAR CUR-
RENT BOOSTER (LCB) including Maximum Power
Point Tracking ( MPPT) acts like a "gear box" in your car.
This device will match the power source to the load by
transforming the voltage down while increasing the
current delivered to the motor (like an automatic
transmission). Beside this the controller (supplied with
all systems) has a speed control function, terminals to
connect float and well probe sensor, a battery low
voltage disconnect to protect the batteries from being
over discharged and a 12/24 V charger included.
LEDs indicate Pump ON, Pump Speed, Well dry, Tank
full, Battery status.
Solar for
Battery or
Solar Direct
Battery Charging
50 V max.
float switch
-
-
+
+
1 or 2 Solar Panels, 12 V
Cable Length
[m]
[ft]
50 W
5
17
2.5 / #14
10
33
2.5 / #14
15
50
4.0 / #10
20
65
4.0 / #10
combined charge and pump controller
SYSTEM
remote
PUMP ON
OVERLOAD
WELL DRY
TANK FULL/FLASH BATT LOW
BATTERY VOLTAGE
Pump Watts – Wire Size mm² / AWG
100 W
150 W
4.0 / #10
4.0 / #10
4.0 / #10
6.0 / #8
6.0 / #8
10.0 / #8
10.0 / #8
12.0 / #6
Controller PS150
L
L
L
1
2
3
RPM
PS150 Boost
200 W
6.0 / #8
8.0 / #8
10.0 / #6
14.0 / #6
11
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