Grundfos SL Series Manual

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.
Fig. 3 Standard version with Thermal
Switches and Moisture Switch wired
in high-voltage (star) 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.

EFFECTIVE DATE: March 27,2019File Name: Wiring Diagram-SL-SE.pdf Rev 3/27/2019
60J-3phase, 208V, 60Hz without / with WIO (Water-in-Oil) Sensor:
Fig. 7 Standard version with Thermal
Switches and Moisture Switch without WIO
(Water-in-Oil) Sensor.
Fig. 8 Sensor version with Thermal
Switches, PT1000 resistor and Moisture
Switch with WIO (Water-in-Oil) Sensor.
•Connect 208V as a Direct Online (DOL) connection.
Wiring Diagrams for Small (1.5-15 HP)
SL/SLV pumps
Fig. 6 Wiring Diagram, 7 core cable, Direct Online (DOL).

EFFECTIVE DATE: March 27,2019File Name: Wiring Diagram-SL-SE.pdf Rev 3/27/2019
Wiring Diagrams for Medium (12-42 HP)
SL/SLV-SE/SEV pumps
60S/61R/61G - 3 phase, 208-230/460V, 60Hz-with Thermal switches / PTC sensors
Fig. 10 Wiring Diagram for 60S/61R, 3 X 208/230V Delta Start.
Fig. 11 Wiring Diagram for 61R/61G, 3 X 460V Star Start.
Reference
Thermal switch
/PTC sensor
Wiring Diagrams
•Connect 208/230V pumps using the low-voltage (delta) connection.
•Connect 460V pumps using the high-voltage (star) connection.
Fig. 9 Wiring Diagram, 12 wire cable.
DOL Starting in
Case of 230V
DOL
Starting in
Case of
460V

EFFECTIVE DATE: March 27,2019File Name: Wiring Diagram-SL-SE.pdf Rev 3/27/2019
Wiring Diagrams for Medium (12-42 HP)
SL/SLV-SE/SEV pumps
Fig. 14 Standard /Explosion Versions with Sensor Version 1.
Fig. 15 Standard /Explosion Versions with Sensor Version 2.
Fig. 12 Standard / Explosion Version with
Thermal switches.
Fig. 13 Standard / Explosion Version with
PTC Sensors.
Thermal switch & PTC sensor Wiring Diagrams

EFFECTIVE DATE: March 27,2019File Name: Wiring Diagram-SL-SE.pdf Rev 3/27/2019
Fig. 17 Wiring Diagram for EMC cable version with Thermal
Switches and Moisture/Leakage Switches Direct Online (DOL)
Connection for Pump with EMC cable. Main supply voltage must be
communicated at time of order as pump will be wired at the factory.
Fig. 16 Wiring Diagram, 8 wire,
Direct Online (DOL)
Wiring Diagrams for Medium (12-42 HP)
SL/SLV-SE/SEV pumps