Installation
Installing Two Pumps for Tandem Operation
25
Figure 15. Suggested Diagram For Wiring Dual Manifold System, Two-Wire Control, Three Phase
Figure 16. Suggested Diagram For Wiring Dual Manifold System, Three-Wire Control, Three Phase
Coil
L1 L2 L3
T1
T2 T3
Coil
L1 L2 L3
T1
T2 T3
Thermal overload
Dispenser sw.
Relay
Blue
Blue
Blue
Blue
Red
Orange
Black
Red
Orange
Black
Thermal
overload
To ext. pilot
light 115V
supply
To ext. pilot
light 115V
supply
Voltage rating of relay coil
must match power supply.
rj/051-301-17.eps
PUMP 2
PUMP 1
Observe color code L1, L2, L3 phase
sequence for proper rotation of motor.
NOTICE
NOTICE
L1 L2 L3
T1
T2 T3
Thermal overload
Blue
Blue
Red
Orange
Black
Thermal
overload
To ext. pilot
light 115V
supply
To ext. pilot
light 115V
supply
208/230V or 400V
three-phase power supply
Switch at loading rack
rj/051-301-18.eps
PUMP 2
PUMP 1
Coil
L1 L2 L3
T1
T2 T3
Blue
Blue
Red
Orange
Black
Coil
Stop
Start
Voltage rating of relay coil
must match power supply.
Observe color code L1, L2, L3 phase
sequence for proper rotation of motor.
NOTICE
NOTICE
