S858/4
a passive contact giving 10 or 100 pulses per litre. Contact
ratings are as follows:
Maximum current - 0.25 amps
Maximum voltage - 50 volts
Maximum power - 5 VA
12. Ensure all the terminal screws are tight and replace the
junction box cover.
ALPHA JUNCTION BOX WIRING DIAGRAM
PUMP 1 FC10 DISPLAY CONNECTIONS DETAILS
PUMP 1 – FC10
PUMP 2
240V AC
POWER INPUT
CONNECTOR
2 3 4 5 6 7 8 9 10
B
L
U
E
Y
E
L
L
O
W
1
2
V
D
C
-
R
E
D
P
U
L
S
E
-
G
R
E
E
N
0
V
-
B
L
A
C
K
S
C
R
E
E
N
D
A
T
A
1
-
B
R
O
W
N
D
A
T
A
2
-
B
L
U
E
N
O
Z
Z
L
E
S
W
IT
C
H
IN
P
U
T
P
U
M
P
P
U
L
S
E
R
C
O
N
N
S
(&
N
O
Z
S
W
IT
C
H
+
1
2
V
D
C
)
R
S
4
8
5
D
A
T
A
C
O
N
N
E
C
T
IO
N
S
M
O
T
O
R
R
E
L
A
Y
C
O
N
N
E
C
T
IO
N
S
0
V
-
B
L
U
E
1
2
V
D
C
-
B
R
O
W
N
1
2 3 4 5 6 7 8 9 10
1
2
V
D
C
-
B
R
O
W
N
P
U
L
S
E
-
G
R
E
E
N
0
V
-
B
L
U
E
S
C
R
E
E
N
D
A
T
A
1
-
B
R
O
W
N
D
A
T
A
2
-
B
L
U
E
P
U
M
P
P
U
L
S
E
R
C
O
N
N
E
C
T
IO
N
S
R
S
4
8
5
D
A
T
A
C
O
N
N
E
C
T
IO
N
S
M
O
T
O
R
R
E
L
A
Y
C
O
N
N
E
C
T
IO
N
S
0
V
-
B
L
U
E
1
2
V
D
C
-
B
R
O
W
N
1
INTERNAL WIRING
CONNECTIONS
SECOND PUMP CONNECTIONS
TO PUMP 2 JUNCTION BOX
(ONLY USED IF SECOND PUMP
CONNECTED)
