Manual-Off-Auto SW. Manual Position, Reset

ControlBoxSetup

1.From the voltage source set the circuit breaker or quick disconnect switch to the ON position.

2.For manual operation of the pump, place the 3-position operation switch (Figure 9) on the control box in the MANUAL position.

Figure 9. Manual-Off-Auto SW. (Manual Position)

3.Verify that the ON indicator (Figure 10) on the control box is LIT.This means that power is being supplied to the control box.

Figure 10. Control Box Power ON Indicator

4.In the manual mode the pump will run continuously. Pay close attention when running the pump in this mode. DAMAGE to the pump may occur if pump is not immersed in water.

5.To operate the pump automatically (float switches), place the 3-position operation switch in the AUTO position (Figure 11).

Figure 11. Manual-Off-Auto SW. (Auto Position)

6.In the AUTO mode the pump will run as long as there is a sufficient amount of water.This amount is determined by the setting of the float switches. The stop float switch contacts will open when the water level is low and power will be removed from the pump's motor.

Once the water level has risen back to the appropriate level the start float switch contacts will close and power will be restored to the pump's motor.

ST-4125D/ST-6125D — SETUP

Reset

1.When the overload module detects an overload, the unit will shut down. Check the unit and remove cause of overload.

2.Let the unit cool down and press the RESET button (see Figure 12) on the front of the control box to reset the unit (restore power).

Figure 12. RESET Button

Shut-Down

1.Place the 3-position operation switch on the control box to the OFF position (Figure 13).

Figure 13. Manual-Off-Auto SW. (OFF Position)

2.Verify that the control box power ON light is OFF.

3.Turn the circuit breaker or quick disconnect switch to the OFF position.

ST-4125D/ST-6125D SUBMERSIBLE PUMPS — OPERATION AND PARTS MANUAL — REV. #1 (06/12/08) — PAGE 19