Grundfos SL Series, SLV Series Wiring Diagrams

EFFECTIVE DATE: March 27,2019File Name: Wiring Diagram-SL-SE.pdf Rev 3/27/2019
Wiring Diagrams for Small (1.5-15 HP)
SL/SLV pumps
61R-3 phase, 230/460V, 60Hz without WIO (Water-in-Oil) Sensor:
Fig. 2 Standard version with Thermal Switches and Moisture Switch wired in low-voltage (delta) connection.
Connect 230V pumps using the low-voltage (delta) connection.
Connect 460V pumps using the high-voltage (star) connection.
Fig. 1 Wiring Diagram, 10 core cable.
EFFECTIVE DATE: March 27,2019File Name: Wiring Diagram-SL-SE.pdf Rev 3/27/2019
Wiring Diagrams for Small (1.5-15 HP)
SL/SLV pumps
61R-3 phase, 230/460V, 60Hz with WIO (Water-in-Oil) Sensor:
Connect 230V pumps using the low-voltage (delta) connection.
Connect 460V pumps using the high-voltage (star) connection.
Fig. 4 Sensor version with Thermal
Switches, PT 1000 Resistor, Moisture
Switch and Water-in-oil (WIO) sensor wired in low-voltage (delta) connection.
Fig. 5 Sensor version with Thermal Switches, PT 1000 Resistor, Moisture Switch and Water-in-oil (WIO) sensor wired in high-voltage (star) connection.
Fig. 1 Wiring Diagram, 10 core cable.
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