SAJ PDS23 Plus User Manual

PDS23 Plus Series
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3.2 Electrical Installation
3.2.1 Terminals
The following are typical figures of terminal blocks.
Figure 5 Main terminals (The sequence may be different from actual product)
Figure6 Control terminals (The sequence may be different from actual product)
Note：The terminals not referred in the user manual are invalid.
3.2.2 Power in DC Wiring
For a solar pumping system, a two-pole DC disconnect switch must be installed
between the solar array and the PDS23Plus solar pump controller. Connect the
cables which comes from the two-pole DC disconnect Switch downstream
terminals marked with “+” and “-” (positive and negative poles of Solar panel
output), to PDS23Plus solar pump controller’s terminals block labeled as “R/+”,
“T/-”.
M1 M2 M3 COM M4 M5 M6 COM
NC
N0
Remote Float Switch
Low-water
sensor probe
No Function
S+
S-
RS485
Interface
R/+
S
T/-
U V W
DC/AC INPUT
GROUND
PUMP
To reverse direction,
reverse any two
wires.
The DC and AC can't
input at the same
time.

SAJ PDS23 Plus Specifications

General

Brand	SAJ
Model	PDS23 Plus
Category	Controller
Language	English