10
photovoltaic cell, you only need to turn off “Q1”firstly and then close “Q2”.
Main circuit terminal functions are summarized according to the terminal to the terminal
symbols in the following table. Wire the terminal correctly for the desired purposes.
Terminal Symbol
Function Description
R
、
S
、
T
Terminals of 3 phase AC input
(+)
、
(-)
Terminals of DC input
U
、
V
、
W
Terminals of 3 phase AC output
/PE
Terminals of ground
S1
，
S2
Input terminals of Water-level detection
signal for the wells
S3
，
S4
Input terminals of Water-level detection
signal for the reservoir
COM
Input common terminal of water-level
detection signal
3.4 Specifications of breaker, cable
Model No.
Circuit Breaker (A)
Input/ Output Cable (
2
mm
)
B503DSL-2001
16
2.5
B503DSL-2002
20
4
B503DSL-2003
32
6
B503DSL-2005
40
6
B503DSL-2007
63
6
B503DSL-2010
100
10
B503DSL-2015
125
25
B503DSL-2020
160
25
B503DSL-2025
160
25
B503DSL-4001
10
2.5
B503DSL-4002
16
2.5
B503DSL-4003
16
2.5
B503DSL-4005
25
4
B503DSL-4007
25
4
B503DSL-4010
40
6
B503DSL-4015
63
6
B503DSL-4020
63
6
B503DSL-4025
100
10
B503DSL-4030
100
16
B503DSL-4040
125
25
B503DSL-4050
160
25
B503DSL-4060
200
35
B503DSL-4075
200
35
B503DSL-4100
250
70
B503DSL-4120
315
70
B503DSL-4150
400
95
