14
Pump
Solenoid/
Motorized Ball Valve
Alarm
L1
L2/N
L2
L2
L2
L2
L2
L2
BLEED
N.C.
N.O.
N.C.
BOI 1
N.O.
N.C.
FEED
N.C.
BIO 2
N.O.
N.C.
N.O.
N.O.
ALARM
N.C.
N.O.
L2/N
L2/N
L2/N
L2/N
L2/N
L2/N
CTRL 1
N.C.
N.O.
COM.
CTRL 3
N.O.
N.C.
CTRL 2
COM
CTRL 4
N.O.
COM
N.O.
N.O.
ALARM
COM
N.O.
GROUND
STUD
W
H
T
120V
BLU 240V
GRN 120V
GRN/YEL 240V
IF MOTORIZED
BALL VALVE
BL
K 1
2
0V
BR
N 240V
Chart
Recorder
WHT
1
2
0V
BLU
240V
GRN 120V
GRN/YEL 240V
TO GROUND
STUD
IN
+
IN
-
+5
V
-5
V
IN-
D
IG
IN
2
D
IG
IN
3
IN+
IN-
D
IG
IN
1
IN+
IN-
IN
+
DI
G
I
N
4
IN+
IN-
D
IG
IN
5
IN+
IN
-
F1
F2
(WPH410 only)
PLC
BLK 120V
BRN 240
V
GRN 120V
GRN/YEL 240V
WHT 120V
BLU 240V
FUSED
EXTERNAL
POWER
SOURCE
GRN 120V
GRN/YEL 240V
WH
T
120
V
B
L
U 240
V
BL
K 12
0
V
BRN
2
4
0
V
FUSED EXTERNAL
POWER SOURCE
Note: CTR3, CTRL 4 and Alarm are dry
contact relays (polarity not critical).
Note: The Alarm relay is not programmable.
Refer to the Main Menu diagram for the list of
error conditions that trigger the Alarm relay.
Figure 4a WPH410 Outputs
