PDS23 Plus Series
- 19 -
3.2.9
System Wiring Diagram
Figure 9 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
Plus
series controller is connected in series with the serial number of the
input components of the 18
～
20 block, and the 250W 500
～
700VDC (MPPT) is
satisfied.
DC/AC INPUT
Pump
To reverse direction,
reverse any two
wires
The DC and AC
can't input at the
same time
.
Remote Float
Switch
Low-water
sensor probe
Submersible
Cable Splice
Pump Motor
Low Water
Level Probe
(optional)
Float Switch
(optional)
Earth Ground
PV Array
R/+
S
T/-
U V W
COM M4 M5 M6 COM
NC
N0
GROUND
