A SERVICE OF

logo

2–Pump 12-Station Controllers Chapter 5: Maintenance 44
Figure 5: BIOS Connection, Electrical Diagram; Drawing 1
A
0
5
6
0
9
7
0
+
2
4
V
D
C
4
+
2
4
V
D
C
4
2
0
I
/
O
C
O
N
T
R
O
L
L
E
R
A
E
C
P
/
N
:
A
0
5
6
0
9
5
0
T
B
1
-
3
U
T
B
1
-
4
U
T
B
1
-
5
U
T
B
1
-
6
U
T
B
1
-
2
U
T
B
1
-
6
L
T
B
1
-
5
L
T
B
1
-
1
U
T
B
1
-
2
L
T
B
1
-
1
L
O
P
T
I
O
N
A
L
R
E
S
E
T
S
W
I
T
C
H
(
O
E
M
O
N
L
Y
)
S
I
G
(
+
)
S
I
G
(
-
)
S
I
G
(
+
)
S
I
G
(
-
)
R
S
-
4
8
5
/
S
P
I
C
A
N
/
D
E
V
I
C
E
N
E
T
0
V
D
C
2
F
U
C
U
S
T
O
M
E
R
-
S
U
P
P
L
I
E
D
F
U
S
E
&
H
O
L
D
E
R
R
E
C
O
M
M
E
N
D
E
D
4
A
M
P
F
O
R
1
2
S
T
A
T
I
O
N
S
Y
S
T
E
M
2
0
V
D
C
O
P
T
I
O
N
A
L
R
S
-
2
3
2
C
O
M
M
U
N
I
C
A
T
I
O
N
P
O
R
T
(
C
P
U
P
R
O
G
R
A
M
M
I
N
G
P
O
R
T
)
5
4
3
2
1
9
8
7
6
LINE
N
E
P
E
N
C
A
P
S
U
L
A
T
E
D
W
I
R
I
N
G
P
O
W
E
R
S
W
I
T
C
H
W
/
F
I
L
T
E
R
&
F
U
S
E
A
E
C
P
/
N
:
A
0
5
6
0
9
5
5
S
C
H
A
F
F
N
E
R
-
F
N
1
3
9
4
-
1
0
-
0
5
-
1
1
F
U
1
&
F
U
2
-
A
E
C
P
/
N
:
A
0
5
6
0
9
5
7
2
5
0
V
A
C
-
5
.
0
A
M
P
F
U
2
F
U
1
1
3
8
5
7
R
E
D
R
E
D
G
R
E
E
N
/
Y
E
L
L
O
W
R
E
D
R
E
D
P
O
W
E
R
T
R
A
N
S
F
O
R
M
E
R
A
E
C
P
/
N
:
A
0
5
3
9
3
8
7
M
C
I
4
-
0
7
-
8
0
1
6
1
3
6
9
R
E
D
5
7
9
1
0
R
E
D
2
-
~
+
~
6
B
R
I
D
G
E
R
E
C
T
I
F
I
E
R
A
E
C
P
/
N
:
A
0
5
3
9
3
8
3
2
5
A
M
P
S
-
G
B
P
C
2
5
1
0
1
0
B
L
U
E
+
B
L
U
E
N
O
T
E
:
A
L
L
W
I
R
E
S
A
R
E
#
1
8
A
W
G
U
N
L
E
S
S
O
T
H
E
R
W
I
S
E
N
O
T
E
D
2
0
V
D
C
B
L
A
C
K
(
1
8
A
W
G
)
T
O
D
I
S
P
L
A
Y
F
I
L
T
E
R
C
A
P
A
C
I
T
O
R
A
E
C
P
/
N
:
A
0
5
3
9
3
8
2
2
2
0
0
0
U
F
D
/
4
0
V
D
C
B
L
U
E
4
+
2
4
V
D
C
R
E
D
(
1
8
A
W
G
)
5
0
O
H
M
5
0
W
A
T
T
,
5
%
T
O
D
I
S
P
L
A
Y