23
E
a
rt
h
11
0
/
N
e
u
tr
a
l
2
4
0
V
A
C
2
4
V
A
C
2
4
V
A
C
1
2
/2
4
V
D
C
-
1
2
/2
4
V
D
C
+
O
u
tp
u
t
R
e
la
y
V
o
lta
g
e
F
re
e
2
3
0
V
Fuse
Voltage
Selector
Switch
Pause
Differential Pressure Switch
Flow Input
Input Common
Flushing Valve 1
Spare
Flushing Valve 2
Flushing Valve 3
Flushing Valve 4
Flushing Valve 5
Flushing Valve 6
Flushing Valve 7
Flushing Valve 8
Master Solenoid
Solenoid common
Solenoid common
Differential
Pressure
switch
SAND FILTER
SAND FILTER
SAND FILTER
SAND FILTER
1
2
3
4
F
lo
w
S
w
it
c
h
Valve Common
MULTIPLE SAND FILTER
4 Filter System