PDS23 Series
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3.2.9
System Wiring Diagram
Figure14 System Wiring Diagram
NOTE:
1. The float switch is optional; if not use, please keep the terminal M6 and COM
short.
2. Low water level probe is optional; if not use, please keep the terminal M4 and
COM short.
In the case of conventional 250W polycrystalline components, the peak voltage is
30.6V and the open circuit voltage is 37V. Description of the number of input
components in series:
The PDS23-2S series controller is connected in series with the serial number of the
input components of the 10
～
12 block, and the 250W 280
～
360VDC (MPPT) is
satisfied.
The PDS23-4T series controller is connected in series with the serial number of the
input components of the 18
～
20 block, and the 250W 500
～
600VDC (MPPT) is
satisfied.
+ - R S T PB U V W
GROUND
Power In
AC INPUT
NO FUNCTION
Pump
GROUND
To reverse direction,
reverse any two wires
The DC and AC
can't input at
the same time.
COM M4 M5 M6 COM
NC
Remote Float
Switch
Low-water
sensor probe
N0
Submersible
Cable Splice
Pump Motor
Low Water
Level Probe
(optional)
Float Switch
(optional)
Earth Ground
PV Array
