INSTALLATION
Impeller Rotation
7
Impeller Rotation
1.
Verify the disconnect switch is in the “Off” position.
2. Lay the pump on its side.
3. Verify the impeller rotates counterclockwise by briefly turning the disconnect switch to the “On” posi
-
tion.
•
Startup kickback rotation is also counterclockwise when viewed from the top of the suspended
pump.
4. To change rotation of 3-phase motors, interchange any two of the white, red, or black wires of the
pump at the disconnect box.
Level Sensing Controls
•
Pump Off
Control
: Should be set to turn the pump off when the water level is at the top of the motor
housing. By setting the control at this point you are utilizing the liquid being pumped to help cool the
motor which improves the life expectancy of the motor.
•
Pump On
Control
: Should be set to turn the pump on between 6" to 12" below the Lag/Alarm control
device. An optimum cycle for these products would be between 2 to 3 minutes of run time per cycle.
•
Lag/Alarm
Control
: Should be set between 6" to 12" below the inlet of the station. It is important to
note that no control device should ever be set above the inlet of any station.
Risk of damage to pump or other equipment.
•
Improper impeller rotation will result in damage to the pump. Rotation must be checked at installa
-
tion.