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Wiring Connections
Serious or fatal electrical shock may result from failure to connect the motor, the SubDrive, metal plumbing and
all other metal near the motor, or cable to the power supply ground terminal, using wire no smaller than motor
cable wires. To reduce risk of electrical shock, disconnect power before working on or around the water system.
Do not use motor in swimming areas.
1. Verify that the power has been shut off at the main
breaker.
2. Verify that the dedicated branch circuit for the SubDrive is
equipped with a properly-sized circuit breaker.
3. Use appropriate strain relief or conduit connectors.
4. Remove the SubDrive lid.
5. Feed the motor leads through the opening on the bottom
right side of the unit and connect them to the terminal block positions marked GND (Green/Yellow Ground
Wire), Black, Brown, Grey (Figure 3).
Output to Motor
Blk Brw Gry
(Output)
Figure 3: Motor Lead Connections
For retrofit application , make sure to check integrity of power and motor leads.
This requires measuring the insulation resistance with the suitable megohmmeter.
WARNING
DANGER
Figure 4:
Power and Pressure Sensor
Connections
8. Verify that the SubDrive unit is properly configured for the horsepower rating of the motor and pump being used.
(See the section on Pump Sizing for information on Drive Configuration pg. 6- 8.)
9. Replace the cover. Do not over-tighten the screw.
Power Leads
1
2
Pressure Sensor
Leads
Black
Red
L2
From Power Source
L1
(Input)
L2
Sensor
Connection
6. Feed the 230 VAC power leads through the larger opening on the bottom left side of
the SubDrive controller and connect them to the terminals marked L1, GND, and L2
(Figure 4).
7. Use the smaller opening on the bottom left side of the SubDrive unit and connect
the red and black leads to the terminals marked “1” and “2” (interchangeable) with a
small screwdriver (provided).
Note:
A 3 m section of pressure sensor cable is provided with the controller, but it
is possible to use similar 0,33 mm² wire for distances up to 30 m from the pressure
sensor. A 30 m section of pressure sensor cable is available from your local Franklin
Electric distributor. (See Accessories)
15
Technical changes without notice / Techn. Änderungen vorbehalten / Modifications techniques réservées sans préavis / 5930