alpha-pH 1000
3
3 ELECTRICAL
CONNECTION
3.1
Connection Diagram
S ig n a l O u tp u t
H o ld In p u t
R e la y B
R e la y A
P o w e r M a in s
p H
m A
A la rm /W a s h
-
+
P E /S
P E
A C :
N
L
1
2
5
4
3
6
7
8
9
1 0
11
1 2
1 3
1 4
1 5
1 7
1 5
1 6
* ) in dic ate d c o n ta c t p os ition s a re fo r c urren tle s s c o n d ition s
P t 1 00
P o te n tia l M a tc h in g P in (P M P )
S ig n a l In p u t p H /O R P
S /
V
P E /S
pH
1 8
1 9 2 0 2 1 2 2
S /
S /
B N C